NOMINAL SIZE
- 1-1/2", 2", 3", 4", 6", 8", 10", and 12"
CONNECTIONS
- ANSI/ASME B16.5 Class 150 Flange
- KS/JIS 10K Flange
In-line Type Pressure & Vacuum Relief Valve
Drilling conforming to ANSI/ASME B 16.5 for Class 150 Flanges, or KS/JIS 10K Flanges Used in a system that discharges or recovers gas or vapor in a tank through a pipe connected to the outlet side of the valve without being discharged directly to the atmosphere.
This type of in-line type valve is being used more often due to reinforcement of various environmental regulations.
Available in a full range of sizes and configurations FEP TEFLON seat diaphragms are standard to increase reliability and extended service life, and make minimize sticking caused by resinous vapors and atmospheric moisture.
Guided pressure and vacuum pallets assure smooth lift and closure, and suitable materials available for corrosive and extreme temperature
service.
▶ Consult our factory for special application.
Specifications
| Service | Pressure and Vacuum Relief, End-of-line |
|---|---|
| Set pressure & set vacuum, min/max Weight loaded type Spring loaded type | 22mmH²O(0.5oz/sq.in) / 700mmH²O(1psi) 700mmH²O(1psi) / 1.05kg/㎠(15psi) |
| Temperature range(standard) | -45°C~120°C(-1130℉~+248℉) |
Materials
| PART NAME | MATERIALS STANDARD | MATERIALS OPTIONAL |
|---|---|---|
| Body & Cover | Carbon Steel, 304 S.S, 316 S.S, Aluminum | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Seat | 304 S.S, 316 S.S, Aluminum | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Pallet | 304 S.S, 316 S.S | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Pallet Guide | 304 S.S, 316 S.S | 316 S.S |
| Seating Diaphragm | FEP TEFLON (Weight loaded type) VITON O-ring (spring loaded type) | Metal to metal |
▶ Other special materials and special specifications are available upon customer`s request.
