Flowcen Global

Cryogenic Globe Valves are specially designed control valves used for extremely low-temperature applications, ensuring precise flow regulation and reliable operation. These valves are commonly used in systems handling liquefied gases such as LNG (Liquefied Natural Gas), liquid nitrogen (LN2), liquid oxygen (LOX), liquid hydrogen (LH2), and liquid helium at temperatures as low as -196°C (-320°F).

Key Features:

✅ Cryogenic-Grade Materials: Constructed from stainless steel (SS 304/SS 316), Inconel®, Monel®, Hastelloy®, or other cryogenic alloys to withstand extreme cold without becoming brittle.
✅ Extended Bonnet Design: Prevents freezing of the packing gland by keeping it above cryogenic temperatures, ensuring long-term sealing integrity.
✅ Precise Flow Control: The globe valve’s throttling capability provides accurate regulation of fluid flow in cryogenic pipelines.
✅ Low-Temperature Sealing Technology: Uses PTFE, graphite, or cryogenic-grade elastomers for a tight seal and reliable performance.
✅ Variety of End Connections: Available in flanged, socket weld, butt weld, and threaded configurations for secure installation.
✅ Fire-Safe & Fugitive Emission Compliance: Meets industry standards such as API 598, BS 6364, ISO 15848-1, and ASME B16.34 for safety in hazardous environments.

A Cryogenic Gate Valve is designed for ultra-low temperature applications, ensuring reliable flow control in liquefied gases such as LNG (Liquefied Natural Gas), LOX (Liquid Oxygen), LIN (Liquid Nitrogen), LHe (Liquid Helium), and LCO2 (Liquid Carbon Dioxide). These valves feature extended bonnets to prevent heat transfer and ensure smooth operation in temperatures as low as -196°C.

Key Features:

• Material Options:
  • Body & Bonnet: Stainless Steel (SS 304, SS 316, SS 316L), Carbon Steel (A352 LCB, LCC), or Special Alloys (Monel, Hastelloy, Inconel).
  • Gate & Seat: Stainless Steel, Bronze, or PTFE-seated for tight shut-off.
  • Stem: Stainless Steel (SS 316, SS 304) with polished surface for smooth operation.
  • Gland Packing: PTFE or Graphite for cryogenic sealing.
• Size Range: ½” to 24” (DN 15 to DN 600).
• Pressure Rating: ANSI Class 150 to 2500, PN 10 to 100.
• Temperature Rating: -196°C to +80°C (depending on material selection).
• Design Type:
  • Extended Bonnet: Keeps stem and packing away from cryogenic fluid for smooth operation.
  • Bolted or Welded Bonnet: Provides leak-proof sealing.
  • Flexible Wedge or Solid Wedge: Ensures tight shut-off at low temperatures.
  • Rising Stem & Outside Screw & Yoke (OS&Y): Ensures clear position indication and smooth actuation.
• End Connections:
  • Flanged (RF, RTJ).
  • Butt Weld (BW).
  • Socket Weld (SW).
  • Threaded (NPT, BSP).

Advantages:

• Reliable in Cryogenic Conditions: Ensures smooth operation even at ultra-low temperatures.
• Extended Bonnet Design: Prevents ice formation and minimizes heat loss.
• Zero Leakage: Soft-seated and metal-seated options provide tight shut-off.
• Corrosion & Wear Resistance: Stainless steel and alloy materials enhance durability.
• Low Operating Torque: Designed for easy manual or automated operation.

Cryogenic Top Entry Ball Valves are specialized valves designed for use in extremely low-temperature environments, often encountered in industries such as liquefied natural gas (LNG), cryogenics, and petrochemical processing. These valves are built to perform reliably under cryogenic conditions, where the temperature of fluids can be as low as -196°C (-320°F) or even lower.

Key Features and Design Elements of Cryogenic Top Entry Ball Valves: 1. Cryogenic Design:

• Cryogenic refers to temperatures typically below -150°C (-238°F), where many materials become brittle, and conventional valves may fail. Cryogenic ball valves are specifically engineered to function at these extreme temperatures.
• The materials used in Cryogenic Top Entry Ball Valves (such as special alloys, stainless steel, and cryogenic-compatible seals) are selected for their ability to withstand the contraction and stress caused by the low temperatures without losing strength or becoming brittle.
• These valves are tested and certified for cryogenic conditions, ensuring they meet safety and operational standards when handling liquefied gases like LNG, oxygen, nitrogen, and carbon dioxide.

2. Top Entry Design:

• The top entry design means that the valve's internal components (such as the ball, stem, and seals) can be accessed and serviced from the top of the valve without needing to remove it from the pipeline.
• This feature is particularly useful for maintenance, as it allows for easy inspection and repair or replacement of valve parts without disrupting the entire system.
• In cryogenic applications, the ability to perform maintenance without fully disassembling the valve or removing it from a pipeline can be a significant advantage, saving both time and costs.

FLOWCEN GLOBAL API 602 Forged Cryogenic Valves Gate Valves Globe Valves Ball Valves Check Valves Needle Valves Plug Valves Piston Valves Pressure Seal Valves Parallel Slide Valves

Flowcen Global manufactures and exports a wide range of API 602 forged valves for cryogenic and low temperature service. The range includes forged gate valves, globe valves, ball valves, check valves, swing check valves, lift check valves, piston check valves, needle valves, plug valves, piston valves, pressure seal valves, parallel slide valves, blowdown valves, extended bonnet cryogenic valves, Y pattern globe valves, angle globe valves, floating ball valves, trunnion mounted ball valves, wedge gate valves, and non-rising stem designs. These valves are widely supplied to LNG projects, petrochemical plants, refineries, offshore platforms, hydrogen and ammonia units, fertilizers, chemical industries, shipbuilding, defense, and power plants.

Materials offered include forged carbon steel, stainless steel, alloy steel, duplex, super duplex, Monel, Inconel, Hastelloy, Titanium, and nickel alloys. Sizes range from ½ inch to 4 inch with Class 150 to 2500 and PN10 to PN420 ratings. End connections include socket weld, butt weld, threaded NPT/BSP, and flanged RF/RTJ, with extended bonnet cryogenic types also available.

Valves are designed and tested as per API 602, BS 6364, ASME B16.34, IBR, API 607 fire safe standards, ISO 15848 fugitive emission compliance, PED, ISO 9001, ISO 14001, and ISO 45001. Every valve undergoes hydrostatic, seat leakage, helium leak, fire safe, and cryogenic testing with liquid nitrogen. Features include tight shut-off, extended bonnet for insulation, compact flow passages, handwheel or gear operated with optional pneumatic or electric actuators, fire safe sealing, and low emission gland packing.

Applications cover LNG storage and transport, hydrogen fueling stations, cryogenic air separation, ammonia plants, refineries, petrochemical complexes, fertilizers, offshore rigs, marine, nuclear and thermal power generation. Surface finishing options include zinc coated, epoxy painted, or electropolished stainless. Documentation includes MTC EN10204 3.1 certification.

Flowcen Global valves are Made in India and interchangeable with reputed brands like Audco, L&T Valves, KSB, BHEL, Forbes Marshall, Velan, Bonney Forge, Crane, KITZ, JC, Cameron, Walworth, Oliver, Trillium, Neway. Widely supplied to ONGC, IOCL, BPCL, HPCL, Reliance, Essar, Adani, Tata Projects, NTPC, and global companies such as Aramco, ADNOC, QatarEnergy, Petronas, SABIC, Shell, Chevron, ExxonMobil, BP, TotalEnergies, KOC, PDO.

We supply across Gujarat, Maharashtra, Delhi, Tamil Nadu, Karnataka, Telangana, Andhra Pradesh, Odisha, West Bengal, and other industrial hubs in India, with exports to Middle East, Africa, Europe, USA, South East Asia, and Latin America. After-sales support includes spares, technical guidance, and OEM supply with client branding. With strong in-house forging and machining facilities, Flowcen ensures shorter lead times, customized designs, and assured quality checks for every project requirement. Our valves meet project procurement specifications for EPC contractors and end users worldwide.

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Cryogenic check valves are designed to handle extremely low temperatures, typically down to -196°C (-320°F) or lower. These valves ensure unidirectional flow and prevent backflow in cryogenic applications, such as liquefied natural gas (LNG), liquid oxygen (LOX), liquid nitrogen (LIN), and other cryogenic fluids.

Key Features:

• Material: Stainless steel (SS 304, SS 316), Monel, Hastelloy, or special alloys suited for cryogenic applications.
• Size Range: Typically available from ½” to 12” (DN 15 to DN 300).
• Pressure Rating: ANSI Class 150 to 1500 (or customized as per application).
• Design Type: Swing check, lift check, or piston check valve configurations.
• Extended Bonnet: Designed with an extended bonnet to prevent thermal conduction and maintain stem integrity.
• Seal Type: Soft seats (PTFE, PCTFE) or metal-to-metal sealing for leak-proof performance.
• End Connections: Flanged, butt weld, or socket weld for secure cryogenic pipeline integration.
• Flow Orientation: Typically designed for vertical or horizontal installation based on system requirements.
• Temperature Rating: Operates effectively from -196°C to ambient temperatures.

Applications:

• LNG storage and transport systems.
• Cryogenic air separation plants (oxygen, nitrogen, argon processing).
• Space and aerospace applications involving liquid propellants.
• Medical gas and industrial gas handling systems.
• Hydrogen and helium liquefaction plants.

Cryogenic Split Body Ball Valves are specialized ball valves designed for use in cryogenic applications, where extremely low temperatures (typically below -150°C or -238°F) are present. These valves are commonly used in industries like liquefied natural gas (LNG), cryogenic storage, and transportation of gases such as oxygen, nitrogen, and argon.

Key Characteristics:

1. Cryogenic Design:

   • These valves are specifically designed to function effectively at extremely low temperatures, where materials can become brittle and components can contract.
   • Cryogenic valves are often constructed from materials such as stainless steel, special alloys, and other metals that can withstand the stresses and contraction caused by low temperatures.
   • The valve body, seals, and other components are designed and tested to prevent leakage or failure when exposed to cryogenic conditions.

2. Split Body Construction:

   • Similar to standard split body ball valves, cryogenic split body ball valves have a two-piece or multi-piece body construction. This design allows for easier disassembly, maintenance, and repair of internal components (like the ball, seats, and stem).
   • The split body design can also help with insulation and temperature management, which is important when dealing with extremely cold substances.
   • The body sections are bolted together and sealed with high-performance gaskets and O-rings to prevent leaks and ensure reliability in low-temperature environments.

Cryogenic Top Entry Ball Valves are specialized ball valves designed to operate in extremely low-temperature environments, typically below -196°C (-320°F), where traditional valves may not perform effectively. These valves are commonly used in industries like liquefied natural gas (LNG), cryogenics, and cold storage, where materials and fluids are transported and processed at subzero temperatures.

The top-entry feature of these valves refers to the design where the ball, stem, and other components can be accessed or replaced from the top of the valve body. This makes these valves particularly suited for systems where valves need to be serviced or maintained without removing the valve from the pipeline, ensuring minimal downtime and easier maintenance.

Key Characteristics of Cryogenic Top Entry Ball Valves:

1. Cryogenic Design:

   • Cryogenic valves are specifically designed to handle extremely low temperatures. These valves are made with materials and construction techniques that ensure reliable sealing and functionality at temperatures down to -196°C (liquid nitrogen temperature) or lower, which is typical for LNG and liquid oxygen (LOX) applications.
   • Materials: Cryogenic ball valves are typically made from stainless steel, alloy steels, or other low-temperature resistant materials. The ball, seats, seals, and valve body are specially selected and treated to avoid brittleness or failure in subzero temperatures. Often, low-temperature alloys like Inconel or Monel are used for their ability to withstand cryogenic conditions without losing strength or flexibility.
   • Extended Bonnet: Many cryogenic ball valves include an extended bonnet to maintain the necessary insulation between the valve’s cold interior and its external environment. The bonnet extension keeps the valve stem and actuator at a temperature where they can still function properly without freezing.

Temperature Control Valves (TCVs) are precision valves designed to regulate the temperature of fluids in industrial and commercial processes by modulating the flow of heating or cooling media. These valves are essential for maintaining accurate process temperatures, ensuring product quality, safety, and energy efficiency.

Flowcen Global cryogenic valves engineered for LNG, liquid oxygen, liquid nitrogen and low-temperature process isolation. Cryogenic extended bonnet valve with vapor column design, low emission stem sealing and fire-safe construction. Severe service cryogenic isolation valve built for ultra-low temperature stability and tight shutoff.

Flowcen Global is an Indian manufacturer and OEM supplier of engineered cryogenic valves, industrial strainers and filtration systems for energy, gas processing and infrastructure EPC projects.

CONSTRUCTION AND DESIGN
Extended bonnet column maintains stem packing above cryogenic zone. Forged or cast body construction in austenitic stainless steel, LF2 low temperature carbon steel and duplex grades. Bolted bonnet, pressure seal bonnet or welded body options depending on valve type. Anti-blowout stem with low temperature tolerant packing stack.

VALVE TYPES AVAILABLE
Cryogenic globe valve, cryogenic ball valve, cryogenic gate valve, cryogenic check valve, cryogenic butterfly valve for LNG and industrial gas lines.

TRIM AND SEALING
Seats in PTFE, reinforced PTFE, PCTFE, Devlon, metal seated hard faced trims for thermal cycling. Stem seals graphite plus PTFE combinations for fugitive emission control. Gaskets spiral wound SS graphite suitable for subzero service.

ENDS AND PRESSURE CLASS
RF RTJ flanged ASME B16.5, BW ends ASME B16.25. Pressure classes ASME 150 to 1500. Socket weld small bore options. Long stem extension as per BS 6364 cryogenic service design.

OPERATION OPTIONS
Handwheel, gear operator, electric actuator, pneumatic actuator, hydraulic actuator for remote tank farm and LNG terminal control systems.

STANDARDS AND TESTING
Design BS 6364, API 602, API 6D, API 623 depending on valve type. Testing API 598, BS 6364 cryogenic testing, shell and seat leak testing with cold box simulation. Fire safe design API 607 where applicable.

APPLICATION SECTORS
LNG storage tanks, regasification terminals, air separation units, oxygen plants, nitrogen plants, petrochemical low temperature process units, gas liquefaction skids.

TECHNICAL DATA SNAPSHOT
Size Range | 12in to 24in
Pressure Rating | Class 150 to 1500
Body Material | CF8 CF8M LF2 Duplex SS
Trim Material | SS316 Monel Inconel
Ends | RF RTJ BW
Design | BS6364 API
Testing | API598 Cryogenic

Also known as LNG valve, low temperature valve, extended bonnet valve, cryo service valve. Envelope alignment with major global cryogenic valve manufacturers such as Velan, Flowserve, Herose, Emerson, Crane valve ranges.

Manufactured in India with precision machining, controlled assembly, cryogenic box testing, helium leak detection and actuator mounting for LNG terminals and gas processing infrastructure.

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Motorized globe valve, control valve, flanged globe valve. These are the first three search-strength keywords for high-value buyers. Flowcen Global designs motorized globe valves for precise throttling, modulation and flow regulation in critical industrial utilities and process systems. Engineered for high repeatability, actuator stability and long service life, the valve uses a contoured plug, guided stem, and robust bonnet design for smooth control across full stroke.

The valve is supplied in flanged, bolted-bonnet, forged or cast-steel construction depending on pressure and temperature class. Size range from DN15 to DN300 with pressure ratings PN16, PN25, PN40, Class 150 and Class 300. Materials offered include cast steel, ductile iron, stainless steel 304 and 316, alloy steel and bronze for specialised services. End connections follow EN1092 or ASME B16.5. Operation is via electric actuator in on-off or modulating duty, with options for position feedback, failsafe, integral controls and direct mounting kits.

Design follows industrial globe valve standards used for control and modulation duties in water, steam, condensate, thermal oil, chemical service, cooling systems, process gas, and refinery duties. Testing includes hydrostatic test, seat leakage check, actuator torque verification, stroke calibration, stem alignment and dimensional inspection. Surface protection includes FBE, PU or zinc-based coatings depending on application. Documentation includes GA drawing, QAP, inspection records and test certificates.

Alternate names include control globe valve, electric actuated globe valve, linear control valve, flanged control valve, industrial flow control valve and motorized regulating valve. Interchangeable in concept with international control-valve designs used in energy, chemical, utility and water industries.

Widely used in cooling systems, desalination, thermal plants, district energy networks, boiler lines, refinery auxiliaries, chemical dosing units, steel plants, marine engineering and high-spec EPC works. Flowcen Global supplies this range across Tamil Nadu and Uttarakhand, and exports to Milan, Rotterdam, Brisbane and Calgary for industrial, marine and energy-sector projects.

Flowcen Global advantage: engineered trim profiles, precise stem guidance, robust actuator coupling, OEM branding, project documentation, short lead times, and custom trims for temperature, medium and duty cycle.

TECHNICAL SPEC BLOCK

Size Range: DN15–DN300
Pressure Rating: PN16 / PN25 / PN40 / Class 150 / Class 300
MOC: CS / SS304 / SS316 / DI / Bronze / Alloy Steel
Ends: Flanged EN1092 / ASME B16.5
Standards: Industrial globe valve design practice
Testing: Hydrostatic test, seat leakage, actuator stroke calibration

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Flowcen Global manufactures a complete range of cryogenic valves for low temperature service in LNG, LPG, liquid oxygen, nitrogen, hydrogen, ethylene and other cryogenic media. The portfolio covers cryogenic gate valves, globe valves, ball valves, check valves, butterfly valves, control valves, needle valves, angle valves, relief valves, pressure safety valves, plug valves, diaphragm valves and cryogenic isolation valves available in forged and cast construction. Materials include stainless steel 304 316 316L, CF8M, CF3M, duplex steel, carbon steel LTCS A333 Gr.6, alloy steels with extended bonnet design, suitable for temperatures down to –196°C.

All designs comply with API 602, API 6D, BS 6364, ASME B16.34, ANSI, DIN, JIS, IS standards. End connections include flanged RF/RTJ, butt weld, socket weld and threaded NPT. Pressure ratings PN10 to PN250, Class 150 to Class 2500, size range ½ inch to 36 inch. Operation options are handwheel, lever, gear, pneumatic actuator, electric actuator and hydraulic actuator depending on service.

Each valve undergoes hydrostatic testing, BS 6364 cryogenic test, low temperature helium/nitrogen leakage test, fugitive emission testing, dimensional checks and third-party inspections. Certifications include ISO 9001, IBR, CE, SIL. Surface finish options are shot blasted, epoxy coated, polished stainless steel.

Industries using Flowcen cryogenic valves include LNG terminals, LPG bottling plants, petrochemical complexes, refineries, fertilizers, aerospace facilities, marine offshore, defense, steel plants, chemical industries, pharmaceuticals and food grade liquid gas handling. Supplied across Hazira, Jamnagar, Surat, Baroda, Pune, Mumbai, Chennai, Bengaluru, Hyderabad, Delhi NCR, Noida, Ghaziabad, Kochi, Visakhapatnam, Kolkata, Rajkot and exported to Saudi Arabia, UAE, Oman, Qatar, Kuwait, Bahrain, Singapore, Malaysia, Indonesia, Vietnam, Japan, South Korea, China, USA, UK, Germany, Italy, France, South Africa, Nigeria, Egypt, Kenya.

Flowcen cryogenic valves are interchangeable with established Indian and global manufacturers including L&T Valves, Audco India, BDK, Kirloskar, Forbes Marshall, KSB India, Hawa Valves, Amco Valves, Velan, KITZ, Neway, Powell Valves, Walworth, Cameron, Fisher, Neles, Parker Hannifin, JC Valves, Habonim, HEROSE, BAC Valves, Samson, OMB Valves ensuring compatibility and project replacement flexibility.

Alternate names include cryogenic valve, cryogenic gate valve, cryogenic globe valve, cryogenic ball valve, cryogenic check valve, cryogenic butterfly valve, cryogenic plug valve, cryogenic control valve, cryogenic diaphragm valve, cryogenic safety valve, cryogenic relief valve, cryogenic needle valve, cryogenic angle valve, cryogenic isolation valve.

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