Cast Steel Swing Check Valve Manufacturer

GMK Swing Check Valve

Product Description

GMK Cast Steel Swing Check Valve is designed to prevent reverse flow and ensure reliable fluid control in industrial pipeline systems. With a robust cast steel body, swing disc design, and advanced sealing structure, this valve provides dependable performance for demanding applications.

The valve uses a hinged disc that swings away from the seat to allow forward flow and returns automatically to prevent backflow. This simple and effective design reduces pressure loss while maintaining reliable shut-off performance.

GMK swing check valves are widely used in oil and gas facilities, power plants, chemical processing systems, water treatment projects, and other industrial applications requiring efficient flow protection.

Size:2″~48″

Rating:150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB

Material:WCB, LCB, LCC, WC6, WC9, C5,C12,C12A, CF8, CF8M, CF3, CF3M, CN7M,Alloy 20,B148,UB6 ,Hastelloy C etc

Connection:Flanges, RTJ flange, butt weld, hub end, groove

Description
Technical
Standard
Q&A

DESCRIPTION

Design Features of Cast Steel Swing Check Valve

The GMK Cast Steel Swing Check Valve adopts a swing-type disc structure with a bolted bonnet design. The disc is connected through a hinge mechanism, allowing smooth opening and closing according to pipeline flow conditions.

The internal disc shaft and rocker design reduce external leakage points and improve operational reliability. The valve can achieve full disc opening with a low pressure differential, helping minimize flow resistance.

The design complies with API 6D, BS 1868, and ASME B16.34 standards, ensuring suitability for critical industrial applications.

Advantages of Industrial Swing Check Valve

Prevents reverse flow and protects pipeline systems.
Low pressure drop compared with other check valve designs.
Reliable sealing performance under different operating conditions.
Compact internal structure reduces leakage risks.
Easy inspection and maintenance with accessible design.
Suitable for high-pressure and high-flow applications.
Cost-effective solution for industrial pipeline protection.

TECHNICAL SPECS

Size 2″~48″

Rating 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB

Material WCB, LCB, LCC, WC6, WC9, C5, C12, C12A, CF8, CF8M, CF3, CF3M, CN7M, Alloy 20, B148, UB6, Hastelloy C etc

Connection Flanges, RTJ flange, butt weld, hub end, groove

Supply ability 10000 piece/pieces per month

Port Wenzhou/shanghai

Payment terms L/C, D/A, D/P, T/T

Delivery time 7-10 Working day

Key Features of API 6D Swing Check Valve

Cast steel body construction
Bolted bonnet design
Swing type anti-rotation disc
Renewable seat ring design
Non-penetrating disc shaft structure
Low pressure differential opening performance
Internal rocker and hinge pin design
Reduced external leakage points
Full port flow passage
Available with flange and butt weld connections
Suitable for horizontal pipeline installation

Technical Specifications

Design Standard: API 6D, BS 1868, ASME B16.34

Pressure Temperature Rating: ASME B16.34

Face-to-Face Dimension: ASME B16.10, API 6D

End Connection:
2″–24″ ASME B16.5
26″–42″ ASME B16.47
Butt Weld End ASME B16.25

Testing Standard: API 598, API 6D

Applications of Swing Check Valve

GMK swing check valves are widely used in industries requiring reliable backflow prevention and pipeline protection, including:

Oil and gas facilities
Thermal power plants
Chemical processing plants
Petrochemical industries
Water treatment systems
Fire protection systems
Industrial pipeline systems
High-pressure fluid applications

Standard

Why Choose GMK Cast Steel Swing Check Valve?

GMK manufactures high-performance cast steel check valves with advanced production technology, strict quality control, and compliance with international standards.

Our swing check valves provide reliable operation, excellent durability, and long service life for demanding industrial pipeline applications.

Q&A

Can we order goods from you directly?

Yes, we look forward to receiving your order. However, please note our minimum purchase quantity. If you require smaller quantities we will be happy to arrange an individual delivery. We would be delighted to assist you.

Can I get a discount?

This depends on the specific situation, you can call directly to consult.

Inquire with us directly