Pressure relief valve
Pilot-operated Pressure Relief Valve
Configurable industrial product for project-specific technical selection. API 520 · API 526 · API 527 · Applicable pressure code
Configurable productThis page presents a configurable sourcing range, not stock or a single factory capability. Final specifications are subject to technical confirmation.
CONFIGURATION MATRIX
Common configuration range
Options are not freely interchangeable and require technical confirmation.
- Design and test standards
- API 520API 526API 527Applicable pressure code
- Nominal size
- DN 15–2000NPS 1/2–80
- Pressure rating
- PN 10–420ASME Class 150–2500
- Body materials
- WCB / LCBCF8 / CF8MDuplex stainless steelDuctile ironProject-specified alloy
- End connections
- FlangedButt-weldSocket-weldThreaded
- Operation
- ManualGear-operatedElectricPneumaticHydraulic
- Applications
- Oil & gasChemicalPowerWaterMarine
VERIFIED INDUSTRY SOURCES
Verified industry sources
References use official standards and industry-organization sources only. They do not imply certification.
Information required for selection
- Visual, dimensional, marking and pressure tests to the agreed standard
- Approved datasheet, drawing, material certificates and test reports
- All combinations require confirmation; special service and certification must be stated in the order
API · ISO · IEC · ASTM · MSS
References use official standards and industry-organization sources only. They do not imply certification.
Verified industry sources
APIAPI standards plan — 520, 526 and 527↗APIAPI pressure-relieving systems committee↗PURCHASE REQUIREMENTS
Inspection, documents and operating limits
Include these requirements in the RFQ and purchase order so suppliers quote and deliver on the same basis.
Inspection and testing
- Visual, dimensional, marking and pressure tests to the agreed standard
Delivery documents
- Approved datasheet, drawing, material certificates and test reports
Selection limits
- All combinations require confirmation; special service and certification must be stated in the order
TECHNICAL CONFIRMATION
Submit service data for final selection
Send medium, temperature, pressure, size, materials, connections, actuation, quantity, destination and delivery date.