Sewon Q&TECH
Product
Sewon is the world's best company and will manage the world.
P/V Relief Valve
For your safety, choose our products.
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
Installed the steam jacket as standard equipment, and provides a
means of transferring heat from steam to the vent Used on tanks
containing liquids whose vapors tend to crystallize at ambient
temperatures
304 stainless steel, and weather hood 304 S.S jacket are standard
air-cushioned pallet assures minimal internal vapor leakage Guided pressure
and vacuum pallets assure smooth lift and closure, and suitable materials
available for corrosive and extreme temperature service
Jacket connection are ANSI/ASME B 16.5 for Class 150 Flanges.
Hydrostatic testing can be done in accordance with the customer's request.
Threaded connections are also available.
Specifications
Service | Pressure and Vacuum Relief, End-of-line |
---|---|
Set pressure & set vacuum, min/max | 22mmH²O(0.5oz/sq.in) / 700mmH²O(1psi) |
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 | Metal to metal |
Weather Hood | 304 S.S, Aluminum | 316 S.S |
▶ Other special materials and special specifications are available upon customer`s request.