Flowcen Global

Flowcen PN 10 and PN 16 Dual Plate Wafer Type Check Valve is a compact, efficient, and durable non-return valve engineered for various industrial flow applications. Designed in a wafer pattern, it fits snugly between standard flanges, providing a cost-effective and space-saving solution for one-way flow control. This model, available in sizes from 50 MM to 600 MM, ensures optimal backflow prevention in high-demand systems.

The valve operates on a dual plate, spring-loaded mechanism. When fluid flows in the forward direction, the plates swing open automatically. When flow stops or reverses, the spring-loaded plates quickly close to prevent backflow. This dynamic design minimizes water hammer and provides low-pressure drop, making it highly reliable for continuous operations.

Manufactured using premium-grade cast iron, ductile iron, stainless steel, or carbon steel depending on order requirements, the Flowcen dual plate check valve is built for durability, corrosion resistance, and mechanical strength. All internals are designed to handle a variety of industrial media including water, steam, gas, and light chemicals.

This check valve is ideally suited for use in industries such as water treatment, HVAC, chemical processing, fire protection, oil & gas, power plants, textile processing, and pipeline distribution systems. It is also widely used as a non-return valve for boiler lines, water networks, pump discharge lines, and chemical plants.

The product is also referred to as:

• Dual Disc Wafer Type NRV

• Wafer Non-Return Valve

• Double Plate Check Valve PN10 PN16

• Equivalent to Audco Dual Plate NRV

• Cast Iron Wafer Check Valve

• Spring Loaded Non Return Valve

Flowcen’s PN10 and PN16 wafer check valves are in high demand across industrial hubs in Gujarat (Ahmedabad, Vadodara, Surat, Rajkot, Jamnagar), Maharashtra (Mumbai, Pune, Nagpur), Tamil Nadu (Chennai, Coimbatore), Karnataka (Bangalore, Mangalore), West Bengal (Kolkata), and northern industrial zones in Delhi, Punjab, and Haryana. The product also has a strong export footprint in markets such as the Middle East (UAE, Oman, Qatar), Africa (Nigeria, Kenya, Egypt), Southeast Asia, and Eastern Europe.

End-users prefer Flowcen check valves for their long service life, quick response to backflow, and minimal maintenance requirement. Our in-house testing, quality control processes, and optional third-party inspection ensure every valve meets stringent international standards.

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Valve Size Range:
50 MM to 600 MM (2” to 24”)

Material:
Cast Iron/Ductile Iron/WCB/CF8/CF8M

Automation Grade:
Manual 

Media:
Water, Steam, Gas, Chemical, Air

End Connection Type:
Wafer Type – Suitable for PN 10 and PN 16 flanges

Maximum Inlet Pressure:
Up to 16 bar

Set Pressure / Outlet Pressure Range:
Backflow shut-off starts from minimum 0.5 bar reverse pressure

Maximum Temperature:
Up to 180°C depending on material and sealing

Application:
Water Treatment, HVAC, Chemical Industries, Power Plants, Refineries, Firefighting Systems

Additional Details:
Compliant with EN 558-1 and API 594 standards

Production Capacity:
5000 units/month

Product/Service Code:
FLC-DPWCV-PN16

Ready Stock for Common Sizes (50–200 MM), 3–4 Weeks for Larger Sizes

Dual-Plate Check Valves with hub end connections are designed for offshore, subsea, and high-pressure applications, offering reliable non-return flow control with a secure, weld-free connection. These valves are commonly used in systems where clamped hub connections (such as Grayloc®, Techlok®, or other proprietary hub designs) are preferred over traditional flanged or butt weld ends.

✅ Dual-Plate Swing Design: Two spring-loaded plates ensure quick closure, minimizing water hammer and pressure surges.
✅ Hub End Connection: Designed for compatibility with clamped hub connectors, ensuring leak-proof, high-integrity connections in critical applications.
✅ Compact & Lightweight: Smaller and lighter than conventional swing check valves, reducing pipeline load.
✅ High-Pressure & High-Temperature Capability: Suitable for API 6A, API 6D, ASME B16.34, and other industry standards.
✅ Corrosion-Resistant Materials: Available in carbon steel, stainless steel, duplex steel, Inconel®, Monel®, Hastelloy®, and other alloys.
✅ Bidirectional Sealing: Ensures effective sealing in demanding operating conditions.

🔹 Forward Flow: The plates open when fluid flows in the intended direction.
🔹 Backflow Prevention: If reverse flow occurs, the plates close automatically due to the spring-loaded mechanism, preventing fluid reversal.
🔹 Minimized Pressure Drop: The streamlined design reduces turbulence and energy loss.

Dual Plate Check Valves (also known as dual-disc or wafer check valves) are non-return valves designed to prevent backflow in pipelines while minimizing pressure drop. The butt weld end type ensures a secure, leak-free, and high-strength connection, making them ideal for high-pressure and high-temperature applications.

✅ Dual-Plate Design: Two spring-loaded plates ensure quick closure, reducing water hammer and pressure surges.
✅ Butt Weld End Connection: Provides strong, permanent connections, minimizing leakage risks in high-pressure environments.
✅ Compact & Lightweight: Less space required compared to traditional swing check valves.
✅ Low Pressure Drop: Streamlined flow path minimizes energy loss.
✅ Corrosion-Resistant Construction: Available in stainless steel (SS 304/SS 316), carbon steel, duplex steel, alloy steel, and exotic alloys.
✅ API & ASME Standards Compliance: Designed as per API 594, API 6D, ASME B16.34, and BS EN 593 for industrial reliability.

Dual Plate Check Valves (Solid Lug Type) are non-return valves designed to prevent backflow in pipelines while ensuring a secure, bolted connection. The solid lug design provides added strength, making it ideal for high-pressure applications where precise alignment and easy maintenance are required.

✅ Dual-Plate Swing Design: Two spring-loaded plates ensure quick closure, minimizing water hammer and pressure surges.
✅ Solid Lug Body: Designed for easy installation with full bolt-through connections, providing a secure and leak-proof fit.
✅ Compact & Lightweight: Smaller and lighter than traditional swing check valves, reducing pipeline load and installation space.
✅ Corrosion-Resistant Construction: Available in carbon steel, stainless steel (SS 304/SS 316), duplex steel, Inconel®, Monel®, and other alloys.
✅ Fire-Safe & Fugitive Emission Compliance: Meets API 594, API 6D, ASME B16.34, and BS EN 593 industry standards.
✅ Low Pressure Drop: The streamlined internal design ensures efficient fluid flow with minimal energy loss.
✅ End Connections: Compatible with ANSI, DIN, JIS, and other international flange standards.

Dual Plate Check Valves (Wafer Type) are compact, lightweight, and highly efficient non-return valves designed to prevent backflow in pipelines. The wafer-type design allows for easy installation between flanges, making them ideal for applications where space and weight are critical concerns.

✅ Dual-Plate Swing Design: Two spring-loaded plates ensure quick closure, reducing water hammer and pressure surges.
✅ Wafer-Type Body: Compact design for easy flange mounting between standard pipe flanges, reducing installation space.
✅ Low Pressure Drop: The streamlined flow path minimizes energy loss and turbulence.
✅ Corrosion-Resistant Construction: Available in carbon steel, stainless steel (SS 304/SS 316), duplex steel, Inconel®, Monel®, Hastelloy®, and other alloys.
✅ Various End Connections: Compatible with ANSI, DIN, JIS, and other flange standards.
✅ API & ASME Compliance: Meets API 594, API 6D, ASME B16.34, and BS EN 593 for industrial reliability.

🔹 Normal Flow: Plates open automatically when fluid moves in the forward direction.
🔹 Backflow Prevention: If reverse flow occurs, the plates close immediately, preventing backflow.
🔹 Spring-Loaded Mechanism: Ensures fast and reliable closure, reducing slamming effects.

Dual Plate Check Valves (Double Flange Type) are high-performance, non-return valves designed for backflow prevention in high-pressure and high-temperature pipelines. The double flange design provides a secure and rigid connection, making these valves ideal for applications requiring stronger structural integrity and precise alignment.

✅ Dual-Plate Swing Design: Two spring-loaded plates ensure quick closure, reducing water hammer and pressure surges.
✅ Double Flange Body: Provides high structural strength and easy bolt alignment during installation.
✅ Low Pressure Drop: The streamlined internal flow path minimizes energy loss and turbulence.
✅ High-Temperature & Corrosion-Resistant Materials: Available in carbon steel, stainless steel (SS 304/SS 316), duplex steel, Inconel®, Monel®, and other alloys.
✅ Fire-Safe & Fugitive Emission Compliance: Meets API 594, API 6D, ASME B16.34, and BS EN 593 standards for industrial reliability.
✅ End Connections: Designed to fit ANSI, DIN, JIS, and other international flange standards.

🔹 Forward Flow: The plates open automatically when fluid moves in the intended direction.
🔹 Backflow Prevention: If reverse flow occurs, the plates close instantly due to the spring-loaded mechanism, preventing fluid reversal.
🔹 Minimized Pressure Loss: The optimized flow path ensures low resistance and efficient operation.