2L Engineers is the leading Swing Check Valve Manufacturer in INDIA

Swing check valve is a type of check valve that uses a swinging disc to allow or block fluid flow. It is designed to prevent backflow and ensure unidirectional flow in a pipeline. The disc swings open to allow flow in one direction and swings closed to block reverse flow, ensuring system integrity and efficiency. Swing check valves are commonly used in various applications, including water, oil, and gas industries, and are available in different materials to suit specific requirements. For different types and configurations of materials of construction, contact 2L Engineers for a detailed General Assembly Drawing (GAD).

2L Engineers also specialises in manufacturing of Cryogenic Check Valves for low temperature applications.

Technical Details

Special Features

The design complies with API 6D, BS 1868
Seating materials is metal-to-metal seated
Opens in low pressure;
Tilting Disc type Pressure Seal Bonnet design is available
Seals with the raised profile for enhanced sealing
Suitable for -196° C (Cryogenic) to 900° C (Fire Safe applications)

Design Standards

ASME B16.34, API 6D and BS 1868

Face to Face

API 6D

Testing Standard

API 598, API 6D

End Connections

Flanged End

Sizes Range

DN 50 to DN 600 (1/2" to 24");

Pressure rating

Class 150, Class 300, Class 600, Class 900 & Class 1500

Operations

Automatic

Shutoff Rating

Tight Shut-Off

Material Type Specification:
Type of Service:	Valve Shell Material:	Pressure Controlling Parts & Stem:
General Service	Carbon or Low-Alloy Steel	Carbon or Low-Alloy Steel
General Service	Carbon or Low-Alloy Steel	Stainless Steel
General Service	Stainless Steel	Stainless Steel
Sour Service	Carbon or Low-Alloy Steel	Carbon or Low-Alloy Steel
Sour Service	Carbon or Low-Alloy Steel	Stainless Steel
Sour Service	Stainless Steel	Stainless Steel
Sour Service	CRA ( Corrosion Resistant Alloy)	CRA ( Corrosion Resistant Alloy)

Sour Service: as per NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945, for full details, contact 2L Engineers. Material Specification details are only indicative, for full details, contact 2L Engineers.

Swing Check Valves