Anderson Greenwood

The Anderson Greenwood brand, established more than 170 years ago, includes one of the most innovative and comprehensive portfolios of pressure management solutions in the world. It offers premium performance pressure-relief valves, instrumentation valves, safety selector valves, and tank protection products. The products are designed for gas, liquid, steam, and multiphase flow conditions in offshore oil and gas production, gas processing, refining, and petrochemical and chemical processing.


Anderson Greenwood products define industry standards for repeatable, bubble-tight shutoff and long service life.


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This guide for Pentair-manufactured pressure-relief devices provides reference data and technical recommendations based on 125 years of pioneering research, development, design, manufacture, and application of pressure-relief valves. It covers the terminology, standards, codes, basic design, sizing, and selection for these devices in an easy-to-use format. Download the manual



Instrumentation Equipment

ModelStyleType
ACCU-Mount SystemsInstrument Valves and ManifoldsDirect Mounting Systems
Large Bore IntelliMountâ„¢ SystemInstrument Valves and ManifoldsDirect Mounting Systems
SaddleMount® Manifold and Isolation Valve Mounting SystemInstrument Valves and ManifoldsDirect Mounting Systems
Stabilized Futbol/Connector, AGSFInstrument Valves and ManifoldsDirect Mounting Systems
Multi-Port (M5, M51, M5A and M5F) and Block & Bleed (M9, M25 and M251) ValvesInstrument Valves and ManifoldsGauge Valves
Root Valves (M5K, M5AK, M5YK; M5K; M5AK; M5YK)Instrument Valves and ManifoldsGauge Valves
Hand Valves - Soft Seated, Hard Seated and Mini Instrument Valves and ManifoldsHand Valves
Flow and Level ManifoldsInstrument Valves and ManifoldsManifolds
Pressure ManifoldsInstrument Valves and ManifoldsManifolds
Enclosure Systems, Sunshades and EM ManifoldsEnclosure Systems-
Keyblok Double Block and Bleed ValvePrimary Isolation ValvesKeyblocks
Slimline MonoflangePrimary Isolation ValvesMonoflange
Modular Mounting SystemsModular Mounting Systems-

Pressure Relief Valves

ModelStyleType
Iso-Dome Series 400 ValvePilot Operated ValvesModulating
Modulating Large Capacity Pilot (MLCP) ValvePilot Operated ValvesModulating
Series 400 Modulating Safety Relief ValvePilot Operated ValvesModulating
Series 500 Modulating Safety Relief ValvePilot Operated ValvesModulating
Series 5200 Modulating Pilot Operated Pressure Relief Valves Pilot Operated ValvesModulating
Series 800 Modulating Safety Relief ValvePilot Operated ValvesModulating
Large Capacity Pilot (LCP) Operated Safety ValvePilot Operated ValvesSnap Acting
Series 200 Pop Action Safety ValvePilot Operated ValvesSnap Acting
Series 700 Pop Action Safety ValvePilot Operated ValvesSnap Acting
Safety Selector Valve Dual Pressure Relief Device SystemDual Pressure Relief Device SystemsSafety Selector Valves
Series 60 Direct Spring Safety ValveDirect Spring Process Valves-
Series 80 Direct Spring Safety ValveDirect Spring Process Valves-
Series 90 Low Pressure Pilot Operated Pressure Relief ValvesTank ProtectionLow Pressure Pilot Operated Relief Valves
Type 9200 Low Pressure Pilot Operated Pressure Relief VentsTank ProtectionLow Pressure Pilot Operated Relief Valves
Type 9300 Low Pressure Pilot Operated Pressure Relief VentsTank ProtectionLow Pressure Pilot Operated Relief Valves
Type 96A Weight Loaded Vacuum BreakerTank ProtectionLow Pressure Pilot Operated Relief Valves
Internal Tank Valves (ITV) Liquid Storage: LNG, LPG, NH3, LOXTank ProtectionSpecialty Tank Equipment
Reserve Capacity Relief Valve (RCRV) Low Temperature StorageTank ProtectionSpecialty Tank Equipment
Trans Zero Blanketing Valves (RA, Y1, BV-1)Tank ProtectionTank Blanketing Valves