Threaded type Excess Flow Check Valves
Threaded type Excess Flow Check Valves
Threaded Type Excess Flow Check Valves are designed primarily to control the flow of LP-Gas and anhydrous ammonia for liquid withdrawal, vapour transfer and vapour equalization. They can be installed in full and half couplings. The stainless steel spring provides consistent closing flow and long service life. The valves are available in a wide range of sizes with threaded connections.
Key Features
- May be installed in full and half couplings.
- Precision machined.
- Circlip helps prevent loss of spring retainer due to vibration in service.
- Stainless steel spring provides consistent closing flow and long service life.
Key Benefits
- Available in Wide range of sizes with threaded connection
- Available in a variety of types to suit the fluid application.
- Our valves are manufactured as per approved drawing, under Third Party inspection.
- Available in a variety of materials of construction.
- Modifications can be done in the material used, closing flow settings & designs as per client specification.
| Fluid and State | LPG | PROPANE | AMMONIA | EO | PROPYLENE |
| Body | BS249 | BS249 | SS304 | SS304 | BS249 |
| Seat | BRASS | BRASS | SS304 | SS304 | SS304 |
| Spindle | SS304 | SS304 | SS304 | SS304 | SS304 |
| BONNET | BRASS | BRASS | SS304 | SS304 | BRASS |
| Spring | SS304 | SS304 | SS304 | SS304 | SS304 |
| Hydrotest Pressure (PSI) | 450 PSI | 450 PSI | 750 PSI | 750 PSI | 450 PSI |