ASME/API Spring Loaded Safety Relief Valves (Balanced Bellows -
Full nozzle - Flanged).
Features / Benefits
Starflow P4 Series are designed according ASME BPVC Section VIII
division 1 and comply with API STD 520 / STD 526. These
balanced bellows Safety Relief Valves are versatile, safe,
interchangeable and easy to maintain.
Design
- ASME BPVC Section VIII Division 1
- API STD 520 / API STD 526 / API STD 527
- ISO 4126
- ASME B16.34
- ASME B16.5 or EN1759-1 or EN1092-1 Flange Drillings
- Balanced Bellows
- Full Nozzle
- Metal Seat
- Sizes : 1" to 12"
- Set Pressure range : up to 431 barg
- Temperature range : -196°C to +538°C
- Materials : Carbon, Alloy, Stainless and Super Alloy
Steels
Optional Features
- Bellows Failure Sensor
- Soft Seat (improved tightness)
- Open Bonnet till P orifice - Yoke from Q till W orifice
- Relieving Device
- Cryogenic and LNG design
- NACE MR0175 / ISO 15156 compliance
- Steam Jacket
- Forged Body
- Assistance (pneumatic)
- Spacers for Severe Hot or Cold Service
- Test Gag
Approvals
- ASME Stamp UV
- CE marking PED 97/23/EC
- CE marking ATEX 94/4/EC
- ISO 9001
- ISO 14001
- SELO
- Rostechnadzor
