Sarasin – 76 Series Pilot Operated Pressure Relief Valve

• An extensive range of body & pilot designs for varying process applications
• Leak-free pop and modulating pilots
• Avoidance of water hammer and seat chattering
• Maximum seat tightness
• Reduced differential between system operating pressure and valve set point
• Capacity tested by the US National Board and carrying the ASME UV code stamp
• Options of full nozzle and semi nozzle designs
• API Standard 526 compliant
• Block forged body design available for high pressure & severe service applications
• Suitability for NACE MR-01-75 & ISO 15156 and cryogenic applications

SIZE RANGE & DIMENSIONS

• 25 – 300mm (1 -12 inches)

CAPACITY

• Individually calculated and selected for each process application

MATERIALS

• Carbon Steel
• Austenitic & Martensitic Stainless Steels
• Duplex & Super-duplex Alloys
• Alloy 254 (6Mo)
• Alloy 400
• Alloys B & C
• Alloy 625 & 825

APPLICATIONS

• Oil & Gas; Upstream (E & P), Midstream (LNG) and downstream (refining)z
• Oil & gas pipelines & compression stations
• Chemical & petrochemical production
• Conventional power plant

DESIGN STANDARDS

• ASME BPVC Section VIII
• API STD 520/526 (spring-loaded tables)/527
• ISO 4126
• Directive 2014/68/UE
• ATEX 94/9/EC
• EAC TR CU 10/12/32
• SELO TS, Marine standards

DESIGN RATINGS

• ASME & API Class 150 to 2500
• API Class 5K & 10K (customized)

PRESSURE RANGE

• Up to 431 bar (6,251 psig) with standard ASME class

TEMPERATURE RANGE

• Reaching -196ºC (-320°F) cryogenic levels to 327ºC (620°F)

SEAT TIGHTNESS