Flowcen Global

Flowcen Global manufactures and supplies a complete range of swing check valves designed for reliable non-return service, preventing reverse flow and protecting pumps, equipment and pipelines. These valves are widely used in water, oil, gas, steam, condensate, utility, chemical and process industries. Available in flanged and wafer types, short and long pattern, they ensure low pressure drop, smooth flow and easy maintenance, suitable for horizontal and vertical installations in industrial plants and infrastructure networks.

Technical Specifications
Size Range: 15 mm (½”) to 1200 mm (48”)
Pressure Ratings: PN10, PN16, Class 150 to Class 1500
Body Material: Carbon Steel (WCB), Stainless Steel (CF8/CF8M), Ductile Iron, Cast Iron
Disc: Swing Type with Renewable or Integral Seat
Hinge Pin: Stainless Steel 304 / 316
End Connections: Flanged (ASME B16.5, EN 1092, IS 1538), Wafer Short & Long Pattern
Design Standards: API 6D, API 594, BS 1868, EN
Testing Standards: API 598, EN 12266
Coatings: Epoxy, Zinc-Rich Primer, Special Coatings for Corrosive Environments
Operation: Automatic Non-Return, No Actuator Required
Certifications: ISO, IBR
Origin: Made in India

The swing disc design provides fast closure and dependable sealing when flow reverses, ensuring pump protection without requiring external operation. Renewable or integral seat construction allows quick maintenance. Optional PTFE/PFA lining is available for corrosive services. Smooth bore passages reduce head loss, while robust hinge pin and body design ensure long service life even in demanding conditions.

Flowcen swing check valves are manufactured to international standards and tested to stringent procedures. Each valve undergoes hydrostatic and seat testing, dimensional inspection and coating checks, ensuring durability and reliability. All valves are supplied with QAP documentation and permanent marking for traceability.

These valves are compatible and interchangeable with L&T, Audco, Kirloskar, KSB, Leader, Crane, Velan, Neway, Walworth, making them ideal for both new pipeline projects and retrofit applications. Widely used in refineries, power plants, desalination plants, chemical processing units, HVAC systems, OEM packages and EPC infrastructure, they are suitable for process and utility networks where backflow prevention is critical.

Applications cover water distribution networks, fire protection systems, steam condensate lines, cooling water circuits, fuel transfer, chemical transfer, effluent and utility services. Flowcen valves are designed for easy integration into standard piping systems and are available with short delivery timelines for project requirements.

Supplies cover Surat, Rajkot, Nagpur, Vadodara, Noida, Bhubaneswar, Indore, Hyderabad, Ludhiana, Ahmedabad, and exports to Bahrain, Tanzania, Ethiopia, Jordan, Vietnam, Philippines, Turkey, Spain, Netherlands, Poland, Bangladesh, Nepal, Sri Lanka, supporting EPC contractors, OEMs and government infrastructure projects.

 

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Pressure Seal Swing Check Valve High Pressure High Temperature Service

FLOWCEN GLOBAL pressure seal swing check valve designed for severe high pressure and high temperature pipeline duty. Heavy wall non return valve engineered for power stations refineries oil gas transmission and high energy process systems. Flowcen Global is an Indian manufacturer and OEM supplier of engineered valves strainers and filters for industrial municipal and export projects worldwide.

Construction and Design
Pressure seal swing check valve with cast or forged body construction suitable for Class 600 Class 900 Class 1500 and Class 2500 service. Pressure seal bonnet with self energizing graphite sealing ring provides leak tight performance under rising internal pressure and thermal cycling. Swing disc design with controlled travel and precision hinge pin reduces slam vibration and reverse flow impact. Streamlined full bore profile ensures stable flow and reduced pressure loss.

Internal Trim and Sealing System
Metal seated construction with stellite hardfaced disc and seat ring for erosion resistance high temperature stability and extended service life. Precision machined seating geometry ensures reliable shutoff in steam oil gas and critical process fluids. Renewable trim configuration available for long term maintenance planning.

Product Type and Style
Pressure Seal Swing Check Valve
High Pressure Non Return Valve
Swing Type Check Valve
Pressure Seal Bonnet Check Valve
Power Plant Check Valve

Size Range and Pressure Rating
Size range DN50 to DN1200
Pressure class Class 600 to Class 2500

Materials of Construction
Carbon steel ASTM A216 WCB WCC
Alloy steel ASTM A217 WC6 WC9 C5 C12
Forged alloy steel ASTM A182 F11 F22 F91
Stainless steel ASTM A351 CF8 CF8M CF3 CF3M
Hardfaced trim options available

End Connections and Dimensions
Butt weld ends as per ASME B16.25
Flanged ends as per ASME B16.5 and ASME B16.47
Face to face dimensions as per ASME B16.10

Design Standards and Testing
Design and pressure temperature ratings as per ASME B16.34
Pipeline applications as per API 6D where applicable
Testing as per API 598
Hydrostatic shell and seat testing with material traceability

Operation and Installation
Automatic swing operation actuated by line flow
Suitable for horizontal or vertical installation with upward flow
Maintenance friendly construction for continuous service duty

Technical Specification Block
Size Range DN50 DN1200 | Rating Class 600 Class 2500 | MOC CS AS SS | Ends BW Flanged | Standards ASME API | Testing API 598

Market Compatibility
Dimensionally compatible with international pressure seal swing check valve designs commonly used in power refinery and pipeline systems supplied by established global manufacturers.

Supply and Project Coverage
Executed for projects across Assam Madhya Pradesh Jharkhand and Goa and supplied to industrial developments in Fujairah Salalah Izmir Gdansk and Incheon supporting energy and infrastructure programs.

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Flowcen Global manufactures and supplies counter weight swing check valves designed for controlled non-return service in pipelines handling water, oil, gas, steam, condensate, chemical and utility fluids. These valves use a lever and counter weight system to control disc movement, ensuring smooth closure, reduced water hammer and pressure surge protection in critical pipelines. Ideal for horizontal installations in process, transmission and utility networks.

Concise Technical Specifications
Size Range: 50 mm (2”) to 1200 mm (48”)
Pressure Ratings: PN10, PN16, Class 150–1500
Body Material: Carbon Steel (WCB), Stainless Steel (CF8/CF8M), Ductile Iron, Cast Iron
Disc: Swing Type with Lever & Counter Weight, Renewable or Integral Seat
Hinge Pin: Stainless Steel 304 / 316
End Connections: Flanged (ASME B16.5, EN 1092, IS 1538), Wafer, Butt Weld (ASME B16.25), Socket Weld (B16.11)
Design Standards: API 6D, API 594, BS 1868, EN
Testing Standards: API 598, EN 12266
Coatings: Epoxy, Zinc-Rich Primer, Special Protective Finishes
Operation: Automatic Non-Return with Counter Weight Assisted Closure
Certifications: ISO, IBR
Origin: Made in India

Product Variations & Construction
Available in standard lever and counter weight, extended lever, spring plus counter weight combination, hydraulic dashpot assisted or double acting lever and weight types depending on service conditions. These designs provide controlled disc closing under varied flow scenarios. Hydraulic dashpot and spring combinations are preferred in high pressure or surge-sensitive lines.

Valves are manufactured in WCB for general service, CF8/CF8M for corrosive media, and DI/CI for water and utility lines, with optional PFA/PTFE lining for chemical applications. Smooth bore design minimizes head loss, while lever and counter weight systems give gradual closure and operational safety.

Each valve is manufactured to international standards, ensuring dimensional accuracy, tight shut-off and long service life. Valves undergo hydrostatic, seat testing, coating inspection and dimensional checks with complete QAP documentation and permanent marking.

These valves are fully interchangeable with L&T, Audco, Kirloskar, KSB, Leader, Crane, Velan, Neway, Walworth, making them suitable for new installations and retrofits. Applications include refineries, power plants, desalination plants, chemical units, fire fighting systems, irrigation pipelines, water distribution networks, HVAC, OEM skids and EPC projects.

Supplies cover Surat, Indore, Noida, Vadodara, Bhopal, Coimbatore, Nagpur, Jaipur, Faridabad, Pune and exports to Bahrain, Oman, Jordan, Kenya, Algeria, Vietnam, Philippines, Italy, Turkey, Spain, Netherlands, Bangladesh, Nepal, Sri Lanka, meeting industrial and infrastructure project demands.

We supply across Gujarat, India and key global hubs with reliable quality, controlled closure technology and on-time project delivery for EPC contractors, OEMs and procurement teams.

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Flowcen Global Pressure Sealed Bonnet Globe Valve Class 150 300 600 900 1500 2500 Sizes 15mm to 600mm Flanged Butt Weld Socket Weld Handwheel Gear Operated Made in India

Flowcen Global supplies a wide range of valves including Pressure Sealed Bonnet Globe Valves, Gate Valves, Check Valves, Ball Valves, Butterfly Valves, Control Valves, Strainers, Safety Valves suitable for power plants, refineries, petrochemical, chemical, oil gas, steel, fertilizer, marine industries. Manufactured in India as per ASME B16.34 API 602 BS 1873 DIN EN standards.

Design types include straight pattern, angle type, forged body, cast body, bolted bonnet, welded bonnet, pressure sealed bonnet, rising stem, outside screw & yoke. Operated by handwheel, gear box, pneumatic actuator, electric actuator. Body materials include cast steel, forged steel, stainless steel (304, 316, 316L), alloy steel, bronze, ductile iron.

Sizes from 15 mm to 600 mm, pressure ratings class 150 to class 2500. End connections flanged, butt weld, socket weld, screwed. Surface finish options shot blasted, epoxy coated, zinc plated. Testing as per API and IBR guidelines including hydrostatic test, pneumatic test, NDT, PMI. Certified ISO 9001 and IBR approved where applicable.

Applications include steam service, high-pressure water, oil, chemical process lines requiring leak-proof sealing and durability. OEM compatible with brands like KSB, L&T, Audco, Velan, Kirloskar, Spirax Sarco, Crane, Walworth, Bonney Forge, KITZ, Neway.

We supply across Gujarat, Mumbai, Pune, Chennai, Hyderabad, Delhi NCR, Bengaluru, Kolkata, Vadodara, Surat, Rajkot, and export to Middle East, Africa, Southeast Asia, Europe, South America. Technical support, spares, and after sales service available.

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Flowcen Global forged steel piston check valves are engineered for high pressure lines where one directional flow, controlled shutoff and structural integrity must be guaranteed under continuous thermal and mechanical loading. The forged body provides a refined grain structure and outstanding strength compared to standard cast construction, making it suitable for severe steam, hydrocarbon, chemical and feedwater circuits used in refineries, power stations, industrial plants and critical process modules.

The valve design is piston type guided check with a hardened seating interface, forged body, bolted or threaded cover depending on class and size, and a guided piston assembly that stabilises movement under pressure fluctuations. This ensures predictable closure during reverse flow and reduces seat wear under high velocity service. Flow path is profiled to maintain steady turbulence levels for process accuracy.

Available from DN15 to DN200 in Class 800 Class 1500 and Class 2500 ratings. Materials include forged carbon steel and alloy steel grades A105 F11 F22 F5 F9 with stainless steel trim options for hot condensate, steam or corrosive media. The piston uses metallic or resilient sealing depending on project specification. Packing sets use graphite for elevated temperature and fire safe conditions. External surfaces can be coated with PU FBE or zinc based systems based on environmental exposure.

Ends include butt weld preparation to ASME B16.25 or flanged ends drilled to ASME B16.5 for integration into high pressure pipework. Machining tolerances suit ASME B31.3 piping practices for site welding and alignment. The valve design follows ASME B16.34 and API 594 for check valve geometry and performance. Each valve is hydrostatically tested at shell and seat pressure, followed by pneumatic leak checks. Forged sections undergo UT or RT depending on class and client requirement. Traceability and inspection mapping follow EN 10204 3.1 pathways.

Applications include boiler feed lines, HP steam headers, cracking units, reformer circuits, chemical reactors, turbine auxiliary lines, high pressure district energy piping, offshore modules, FPSO skids, desalination HP brine systems, industrial cooling loops and high energy power plant circuits where reverse flow must be prevented without delay.

Key engineering advantages
• Fully forged pressure containment for elevated stress and temperature service
• Piston guided design with low friction sealing and stable axial movement
• Metal seated and alloy faced trims for long cycle life in erosive and thermal duty
• Compact face to face supporting skid mounted modules and tight plant envelopes
• Weld end and flanged end configurations to suit project piping discipline
• Traceable material system with standardised QA documentation
• High accuracy machining to match international makes widely used in EPC plants

Technical Specification  
Size Range DN15 to DN200
Rating Class 800 Class 1500 Class 2500
MOC Forged Carbon Steel Alloy Steel with Stainless Steel Trim
Ends Butt Weld ASME B16.25 or Flanged ASME B16.5
Standards API 594 ASME B16.34 ASME B31.3
Testing Hydrostatic Shell and Seat Pneumatic Tightness NDE UT or RT

 

Forged Steel Piston Check Valve Flowcen Global Supplier Kerala Industrial Forged Steel Piston Check Valve Manufacturer Jharkhand Class 800 1500 2500 Forged Steel Piston Check Valve Exporter Italy API 594 Forged Steel Piston Check Valve for EPC Project Milan Flowcen Global Forged Steel Piston Check Valve Price Canada OEM Forged Steel Piston Check Valve Compatible with KSB L and T Audco Velan Leader Alloy Steel Forged Steel Piston Check Valve Manufacturer Kerala Forged Steel Piston Check Valve Supplier for Oil Gas Power Steam Industry Turkey Izmir Bahrain Manama

A Swing Check Valve is a non-return valve designed to prevent backflow in pipelines by allowing fluid to flow in only one direction. It features a hinged disc (swing type) that opens with forward flow and closes when the flow stops or reverses. These valves are widely used in water, oil & gas, steam, petrochemical, and power plant applications.

Key Features:

• Design & Standards:

  • Compliant with API 6D, API 594, ASME B16.34, BS 1868.
  • Fire-safe design per API 607 / API 6FA.
  • Low-pressure drop with full port design.

• Material Options:

  • Body & Bonnet:
    • Cast Iron (ASTM A126)
    • Cast Steel (ASTM A216 WCB)
    • Stainless Steel (ASTM A351 CF8, CF8M)
    • Ductile Iron (ASTM A536)
    • Bronze or Special Alloys (Hastelloy, Monel)
  • Disc & Seat: Stainless Steel, Bronze, or Rubber-coated options.

• Size Range: 2” to 48” (DN 50 to DN 1200).

• Pressure Rating: ANSI Class 150 to 2500, PN 10 to 420.

• Temperature Range: -196°C to +600°C (depends on material selection).

• End Connections:

  • Flanged (RF, RTJ)
  • Butt Weld (BW)
  • Threaded (NPT, BSP)
  • Socket Weld (SW)

An API 602 / ASME B16.34 Forged Check Valve is a compact, high-strength valve designed for high-pressure and high-temperature applications in industries such as oil & gas, petrochemicals, power plants, and refineries. These valves are built according to API 602 (for compact forged steel valves) and ASME B16.34 (for pressure-temperature ratings, dimensions, and materials).

Key Features:

• Forged Steel Construction:
  • Provides superior strength, durability, and resistance to high-pressure environments.
• API 602 & ASME B16.34 Compliance:
  • Ensures standardization, reliability, and compatibility with piping systems.
• Swing, Piston, or Ball Check Designs:
  • Swing Type: Traditional disc swings open and closes with gravity/backpressure.
  • Piston Type: Spring-loaded design for faster response.
  • Ball Type: Uses a ball to block reverse flow, ideal for high-pressure applications.
• Bolted Bonnet or Pressure Seal Design:
  • Bolted Bonnet for standard service, Pressure Seal Bonnet for high-pressure applications.
• Compact & Lightweight:
  • Ideal for space-constrained installations.
• Multiple End Connections:
  • Available in Socket Weld, Threaded (NPT/BSP), and Butt-Weld configurations.

Flowcen Global manufactures and exports a wide range of Gate, Globe and Check Valves for industrial applications in oil, gas, power, water, desalination, petrochemical and infrastructure sectors. Valves are supplied to EPC contractors, OEMs, maintenance teams and stockists across Saudi Arabia for large-scale pipeline and plant networks.

Technical Specifications
Size Range: 2” to 48”
Pressure Ratings: PN10, PN16, PN25, PN40, Class 150 / 300 / 600 / 900
Body/Trim Materials: CI, DI, WCB, WC6, CF8, CF8M, CF3M, SS304, SS316, Duplex, Super Duplex, Alloy Steel, Bronze
Ends: Flanged RF/FF, Butt Weld, Socket Weld, Hub, Grooved as per ASME B16.5 / B16.47 / DIN / EN / IS
Design Standards: API 600 / 602 / 603 (Gate), BS 1873 (Globe), BS 1868 / API 6D (Check), DIN / EN / ASME
Testing: API 598, EN 12266, IBR
Coating: Epoxy, FBE, Zinc primer, PU top coat
Operation: Handwheel, Gear, Electric, Pneumatic
Certifications: ISO, IBR (where applicable)
HS Code: 84818030

Flowcen Gate, Globe and Check Valves are designed for reliable flow control and isolation in process pipelines. Supplied for projects in Dammam, Jubail, Ras Tanura, Al Khobar, Riyadh, Jeddah, Yanbu and major industrial cities, covering refinery upgrades, desalination facilities, power stations, chemical networks, utility systems and large infrastructure works.

Regularly supplied to Saudi Aramco, SABIC, SWCC, Marafiq, SEC, Ma’aden, Petro Rabigh, Sadara, and EPC contractors such as Samsung Engineering, Larsen & Toubro, Hyundai, Doosan, Saipem, Tecnicas Reunidas, Alfanar, SNC Lavalin, Nesma, SSEM, Al Khodari. Used in refinery piping, desalination intakes, brine discharge, steam and condensate lines, utility distribution and process plants.

Gate Valves available in OS&Y rising stem, bolted bonnet, pressure seal, sluice and fabricated constructions.
Globe Valves offered in T-type, Y-type, angle pattern for flow regulation in critical lines.
Check Valves available in swing, dual plate wafer, lift and non-return types for backflow prevention.

Materials include WCB, CF8, CF8M, Duplex, Super Duplex, Bronze and special alloys. Trims in 13Cr, SS316, Monel, Stellite for demanding services. End connections flanged, butt weld, hub comply with ASME, DIN and EN standards. Pressure ratings PN10–PN40 and Class 150–900 suitable for utility and high-pressure lines.

Applications cover refineries, desalination plants, power plants, water treatment networks, petrochemical units, utility headers, hydrocarbon transfer lines and industrial piping networks, including upcoming NEOM Project, King Salman Energy Park (SPARK), Ras Al Khair, Jubail 2 expansions and Yanbu Industrial City.

Flowcen valves are compatible and interchangeable with major Indian and international brands such as L&T, BHEL, Audco, KSB, Leader, BDK, Virgo, Crane, Velan, Neway, Bray, Zoloto, Nibco, Saunders, Spirax. Manufactured in India using CNC machining, ISO & IBR certifications, QA/QC documentation and third-party inspections. Export packing in wooden boxes with tagging and marking for easy site handling.

Flowcen 24 inch gate globe check valve supplier Dammam Jubail, Flowcen flanged OS&Y globe swing check valve exporter Saudi Arabia, WCB CF8M PN25 PN40 Class 150 300 600 900 valve manufacturer India for Aramco Sabic Swcc Marafiq projects, handwheel gear operated electric actuated valves exporter India to Saudi Arabia, Flowcen valves for Jubail Industrial City Ras Al Khair NEOM Yanbu Jeddah Riyadh Al Khobar projects, neom project valve supplier india, neom industrial city valve exporter, neom EPC contractor valve supply, Flowcen compatible with L&T Audco BHEL KSB Leader Virgo Crane Velan Bray Neway brands, Made in India industrial valves for Saudi EPC contractor projects.

 The Swing Type Check Valve by Flowcen Global is designed to prevent backflow in piping systems. Manufactured with high-quality CI WCB SS materials, this valve is a reliable choice for various industrial applications. It features flanged ends and conforms to PN16 and Class150 pressure ratings, making it compatible with a wide range of systems. The valve is engineered to provide long-lasting performance in demanding environments.

Key Features:

• Material: CI WCB SS (Cast Iron, Weldable Carbon Steel, Stainless Steel)

• End Type: Flanged End

• Pressure Rating: PN16 Class150

• Design Type: Swing Type Check Valve

• Made in India – Our products are manufactured in India, ensuring robust quality control and reliability.

This Swing Type Check Valve is an excellent replacement for other leading global brands, offering reliable performance and durability at a competitive price.

Comparable and Equivalent Brands:

• AUDCO Equivalent

• KSB Equivalent

• Cameron Equivalent

• Weir Equivalent

• Dixon Equivalent

• Crane Equivalent

• Tyco Equivalent

• Emerson Equivalent

• Metso Equivalent

• Valvitalia Equivalent

Our valves are trusted across industries like oil & gas, petrochemical, water treatment, HVAC, power, and more. Whether you're working on a large-scale project or a small installation, our products are designed to meet your specific needs.

Sizes Available:

• From 2" (50mm) to 24" (600mm) as per standard specifications

• Custom sizes can be provided upon request

Applications:
Ideal for applications where backflow prevention is essential, such as:

• Water pipelines

• Oil & gas systems

• Petrochemical plants

• HVAC systems

• Power plants

Why Choose Flowcen Global?

• Made in India with strict quality control.

• Strong presence in industrial zones across Gujarat, India, and export hubs worldwide.

• Reliable performance, ensuring safety and efficiency for your projects.

• Available for global exports, with prompt delivery to your site.

Flowcen Global supplies high-quality Swing Type Check Valves and other industrial solutions to buyers across India and internationally. Whether you're working in one of India's industrial zones or global export hubs, our valves are available to meet your specific requirements.

Keywords:
Swing Type Check Valve, Flanged End Check Valve, PN16 Check Valve, CI WCB SS Valve, AUDCO Equivalent Valve, Industrial Check Valve, Cast Iron Check Valve, Carbon Steel Valve, Stainless Steel Valve, Flanged Valve, Flowcen Check Valve, Global Valve Supplier, Valve Exporter, Industrial Valve Manufacturer, Made in India Valve, Industrial Valves for Export.

Flowcen Global - Your trusted partner for valves in India and worldwide!

Flowcen Global Profile: Flowcen Global is a leading Indian manufacturer offering a wide range of industrial valves including ball, gate, globe, check, butterfly, control, pneumatic, motorized, triple offset, and special alloy valves. Made in India, supplied to project-based buyers, industries, and global export hubs including Gulf, Middle East, and Africa.

Product Overview: Flowcen Export Quality Valves are designed for durability and precision across industries. Available in multiple designs including ball valves, butterfly valves, globe valves, gate valves, check valves, control valves, pneumatic and motorized valves. Construction styles include flanged, wafer, lugged, threaded, socket weld, butt weld, RTJ, and flange end variants. Sizes range from ½" to 48" with pressure ratings from PN10 to PN400, ANSI 150 to ANSI 2500, API 6D and IBR compliant designs. Materials include SS304, SS316, carbon steel, alloy steel, duplex, bronze, and special alloys.

Key Features & Advantages: Easy operation with handwheel, gear, lever, or automated actuation, high corrosion resistance, leak-proof design, long service life, wide temperature range, precision seating, minimal maintenance, smooth flow control.

Design Standards & Compliance: API 6D, ASME B16.34, ANSI, BS, DIN, IBR, ISO 9001 certified, CE compliant options available. Surface finishing includes epoxy coating, PTFE lining, rubber lining, nickel plating, and anti-corrosion treatments. Screen/mesh options available for strainer valves.

Industries & Applications: Oil and gas, petrochemical, chemical, power, water treatment, marine, food and beverage, pharma, HVAC, steel plants, cement, refineries, pipelines, and heavy engineering projects. Compatible with brands such as Fisher, Emerson, Velan, KITZ, Masoneilan, Rotork, Nibco, KSB, and other global OEM valves.

Flowcen Advantage: In-house manufacturing, stringent quality checks, hydraulic testing, pneumatic testing, NDT inspections, and on-time global dispatch. Supply available across Gujarat, India, Gulf countries (UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman), Middle East (Jordan, Iraq, Iran, Lebanon), Africa (South Africa, Nigeria, Egypt, Kenya, Ghana), Southeast Asia, Europe. Technical support and after-sales service included. Alternate names include industrial valves, process valves, pipeline valves, control valves, isolation valves, and engineered valves.

Export Markets & Service Regions: Gulf countries, Middle East, Africa, India project hubs, global EPC contractors, industrial procurement teams.

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Flowcen Global is an Indian-origin manufacturer based in Gujarat, India, producing heavy-duty non-return valves for transmission pipelines and process industries. Swing check valves built to API 6D and BS 1868 provide dependable backflow prevention with minimal flow resistance. The pivoted disc design enables smooth operation under variable flow conditions while maintaining sealing reliability in high-pressure and elevated-temperature service.

Valve Type
Bolted cover swing check valve with hinged disc

Size Range
2 inch to 60 inch

Pressure Rating
ASME Class 150 to Class 2500

Body Materials
Carbon steel WCB WCC LCB LCC
Alloy steel WC1 WC6 WC9
Stainless steel CF8 CF8M CF3 CF3M
Duplex and super duplex grades

Disc and Seat Materials
Stainless steel disc, hardfaced seating surfaces, Stellite overlay options

End Connections
Raised face, RTJ flanged, butt weld

Design Standards
API 6D, BS 1868, ASME B16.34, ASME B16.10

Testing & Compliance
API 598 pressure testing, NACE MR0175 for sour environments, fire tested construction when required

Temperature Range
-46°C to +650°C depending on metallurgy

Construction Features
Full bore flow path, low pressure drop swing disc, renewable seat rings, heavy-duty hinge assembly, spiral wound graphite cover gasket, backflow sealing with metal-to-metal or resilient interface

Optional Configurations
Lever and counterweight, hydraulic dashpot, external hinge pin lubrication, non-slam modification

Inspection & Certification Options
Radiography, ultrasonic testing, magnetic particle inspection, PMI, EN 10204 3.1 / 3.2

Surface Coating
Epoxy, fusion bonded epoxy, offshore multi-layer protective systems

Applications
Crude oil and product pipelines, refinery transfer systems, petrochemical process lines, LNG loading facilities, power plant cooling circuits, offshore production units, tank farm manifolds

Technical Snapshot
Size 2in–60in | Class150–2500 | Carbon Alloy Stainless Duplex | RF RTJ BW | API6D BS1868 | API598 NACE

Project Supply Presence
Used in pipeline developments in Siliguri and Ratnagiri, gas treatment installations in Fujairah and Mosul, LNG import terminals in Klaipeda, refining zones in Yeosu, utility power projects in Brno, bulk storage terminals in Mombasa, and offshore developments near the Gulf of Thailand. Ongoing supply extends across United Arab Emirates, Iraq, Lithuania, Czech Republic, Kenya, Tanzania, India, Thailand, Malaysia, South Korea, Japan, Slovakia, Bulgaria, Argentina, Paraguay, Colombia, and Canada through trade centres such as Dubai, Singapore, Klaipeda, Busan, and Montreal.

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Flowcen Global manufactures precision-engineered cast stainless steel corrosion-resistant swing check valves designed for long service in industrial, marine, and process pipelines. Each valve ensures non-return flow and reliable sealing under varying pressure and temperature conditions. These valves are made from high-grade stainless steels CF8, CF8M, and CF3M as per ASTM A351, providing superior resistance to corrosion, scaling, and pitting in water, steam, chemical, and oil-gas systems.

Construction and Design Features:
Available in flanged, butt-weld, socket-weld, wafer, and lug type constructions with bolted cover or pressure-seal bonnet. Flowcen swing check valves incorporate a precision-machined hinge pin assembly and renewable seat design (metal-to-metal or soft-seat NBR/Viton/PTFE). Disc is of swing-type, guided for controlled closure to minimize water hammer. Valves are suitable for both horizontal and vertical installations. Body and cover joint is sealed using spiral wound gasket ensuring zero leakage.

Design and manufacturing comply with API 6D, BS 5153, ASME B16.34, and EN 1074-3 standards. Pressure and leak testing are done as per API 598 / EN 12266 with full hydrostatic and pneumatic test reports. Flow path is full bore type for minimum pressure drop. Each valve undergoes CNC machining, dimensional verification, and 100% inspection prior to dispatch.

Coatings and Finishes:
External surface can be coated with epoxy primer, PU topcoat, or fusion-bonded epoxy (FBE) for outdoor and marine protection. Polished or passivated finish available on request for clean-room, food-grade, or pharmaceutical lines.

Technical Highlights:
• Body: ASTM A351 CF8 / CF8M / CF3M
• Disc: CF8M / CF3M / CF8
• Seat: Integral / Renewable (Metal / Soft Seat)
• Hinge Pin: SS316 / SS410
• Gasket: Spiral Wound SS304 + Graphite
• Ends: Flanged (ASME B16.5 / EN 1092), Butt-Weld (ASME B16.25), Socket-Weld (ASME B16.11), Wafer Type
• Pressure Rating: PN10 / PN16 / Class 150
• Size Range: 25 mm to 600 mm (1"–24")
• Temperature Range: –20°C to 400°C
• Testing: API 598 / EN 12266 (Hydro & Pneumatic)
• Design: API 6D / BS 5153 / ASME B16.34
• Operation: Swing Type / Lever & Weight / Spring Loaded / Dashpot Assisted

Applications:
Used in desalination plants, refineries, petrochemical units, power generation, steel and cement plants, marine systems, fire protection, HVAC, irrigation, and municipal water lines. Widely used in OEM and EPC projects demanding long-life stainless steel construction and reliable non-return function.

Technical Specifications:
Size Range: 25 mm – 600 mm | Pressure Rating: PN10–PN16 / Class 150 | Material: CF8 / CF8M / CF3M | Ends: Flanged / BW / SW / Wafer | Design: API 6D / BS 5153 / ASME B16.34 | Testing: API 598 / EN 12266 | Operation: Swing / Lever & Weight / Dashpot | Coating: FBE / PU / Zinc

Flowcen Global Cast Stainless Steel Swing Check Valve Supplier Gujarat, Industrial Swing Check Valve Manufacturer Maharashtra, PN16 Swing Check Valve Exporter Saudi Arabia, API 6D Stainless Steel Check Valve for EPC Project Dubai, Flowcen Global Swing Check Valve Price Malaysia, OEM Stainless Steel Check Valve Compatible with KSB L&T Audco Velan Crane, SS316 Flanged Swing Check Valve Manufacturer Telangana, Industrial Non Return Valve Supplier for Water Oil Gas Power Industry Vietnam Qatar Johannesburg Singapore

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