Safety Valve
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Series 200/400/500/700/800 Pilot Operated Relief Valve
Premium performance pilot operated relief valves that maximize operating pressures, minimize emissions and provide reliable performance.
Features
- Provides repeatable bubble-tight performance before and after each relief cycle
- Provides pilot valve performance in high temperature service
- No main valve throttling, which helps prevent freeze-ups in cryogenic or refrigerant type services.
- Minimized product loss per relief situation
Detail Specification
| Sizes | 1” x 2” to 10” x 14” (DN 25 to 200) |
| Orifices | 0.110 to 63.5 in2(0.710 to 409.7 cm2) |
| Inlet ratings | ANSI Class 150 to 2500 |
| Temperature range | -423°F to + 600°F(-253°C to + 315°C) |
| Set pressures | 15 to >6170 psig (1.03 to >425.52 barg) |
| Code | ASME VIII, DOT, CSA |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Direct Spring Operated Pressure Relief Valves Series 60/80
Premium performance direct spring operated pressure relief valves that use special
internals and soft seats to provide optimum, accurate performance
Features
- Leak-tight performance near set pressure allows higher operating pressure, resulting in increased process throughput and system optimization
- Soft seat design provides repeatable bubble-tight performance before and after each relief cycle
General Application
Gas or liquid thermal relief, Chemically active applications, Cryogenic
Detail Specification
| Sizes | ½” x ¾” to 2” x 3”(DN 15 to 50) |
| Orifices | 0.049 to 1.287 in2(0.316 to 8.303 cm2) |
| Connections | Threaded NPT, flanged |
| Temperature range | -423°F to + 550°F(-253°C to + 288°C) |
| Set pressures | 20 to 10,000 psig(1.4 to 689.5 barg) |
| Code | ASME VIII |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Direct Spring Operated Pressure Relief Valves Series 60/80
Premium performance direct spring operated pressure relief valves that use special
internals and soft seats to provide optimum, accurate performance
Features
- Leak-tight performance near set pressure allows higher operating pressure, resulting in increased process throughput and system optimization
- Soft seat design provides repeatable bubble-tight performance before and after each relief cycle
General Application
- Gas or liquid thermal relief
- Chemically active applications, Cryogenic
Detail Specification
| Sizes | ½” x ¾” to 2” x 3”(DN 15 to 50) |
| Orifices | 0.049 to 1.287 in2(0.316 to 8.303 cm2) |
| Connections | Threaded NPT, flanged |
| Temperature range | -423°F to + 550°F(-253°C to + 288°C) |
| Set pressures | 20 to 10,000 psig(1.4 to 689.5 barg) |
| Code | ASME VIII |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Liquid Storage Internal Tank Valves
Fail-safe isolation valves for bottom and side withdrawal tanks available in pivot-type, plug-type and side-mounted pivot-type models
Features
- Eliminates damaging up-loads on the tank bottom by limiting the force from the open and close operators
- Pressure equalizing pilot valve integral with the valve disc
General Application
Suitable for LNG peak shaving facilities, Import/receiving terminals that require high inflow velocities
Detail Specification
| Sizes | Pivot-type | NPS 4 to 18 (DN 100 to 450) |
| Sizes Plug-type | NPS 6 to 30 (DN 150 to 750) | |
| Side-mounted | pivot-type | NPS 12 to 18 (DN 300 to 450) |
| Maximum fill rates | Pivot-type | 8000 gpm (1800 m3/hr) |
| Plug-type | 30 ft/sec (9 m/sec) | |
| Side-mounted | pivot-type | 8000 gpm (1800 m3/hr) |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Reserve Capacity Relief Valve
Designed to provide overpressure relief for large cryogenic storage volumes; enables emergency capacities protecting against adverse conditions.
Features
- O-ring seat provides bubble-tight performance to 90% of set pressure
- A combination of tension link and spring force holds the valve closed to provide positive opening at set pressure and bubble tight shut-off at reseat
- Reseat pressure is 50% of set
General Application
The RCRV is used typically for LNG or LPG storage tank applications to relieve excessive pressures generated by overfill
Detail Specification
| Sizes | 24" and 36" (DN 600 and DN 900) | |
| Flange mounting | 24" = 150# Class/ANSI 16.5 | 36" = 125# Class/ANSI 16.1 |
| Set pressure range | 24": 1.5 to 5.0 psig (103 to 345 mbarg) | 36": 1.5 to 3.0 psig (103 to 207 mbarg) |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greendwood Reserve Capacity Relief Valve
Designed to provide overpressure relief for large cryogenic storage volumes; enables emergency capacities protecting against adverse conditions.
Features
- O-ring seat provides bubble-tight performance to 90% of set pressure
- A combination of tension link and spring force holds the valve closed to provide positive opening at set pressure and bubble tight shut-off at reseat
- Reseat pressure is 50% of set
General Application
- The RCRV is used typically for LNG or LPG storage tank applications to relieve excessive pressures generated by overfill
Detail Specification
| Sizes | 24" and 36" (DN 600 and DN 900) | |
| Flange mounting | 24" = 150# Class/ANSI 16.5 | 36" = 125# Class/ANSI 16.1 |
| Set pressure range | 24": 1.5 to 5.0 psig (103 to 345 mbarg) | 36": 1.5 to 3.0 psig (103 to 207 mbarg) |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Safety Selector Valve
A dual pressure relief device system that provides a safe, efficient method of switching from an active PRV to a standby, maintaining system overpressure protection
Features
- Allows PRV maintenance without process shutdown
- Clear, positive indication of active PRV
General Application
Safety selector valves can be used in gas/vapor, steam, liquid. They are also suitable for application on Section I boilers with a maximum allowable working pressure of 800 psig.
Detail Specification
| Materials | Carbon steel, stainless steel,Duplex, other alloys |
| Seat | PTFE, PEEK or graphite |
| Sizes | NPS 1-10 (DN 25-250) |
| Pressure class | ANSI class 150 to 2500 ASME up to 2500 |
| Temperature standard range | -423°F to 800°F(-253°C to 427°C) |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Series 5200 Pilot Operated Pressure Relief Valves
A modulating pilot operated pressure relief valve for economizer applications that meets the stringent requirements of ASME Section I at high temperatures
Features
- Modulating action minimizes flow and resultant noise during normal system upset
- Non-flowing pilot reduces seat wear and minimizes entrance of dirt
General Application
The Series 5200 has ASME Section I certified capacities for both steam
Detail Specification
| Sizes | 1½” x 2” to 8” x 10”(38 mm to 200 mm) |
| Orifices | F 0.307 to T 26.00 in2(1.98 to 167.7 cm2 |
| Inlet ratings | ANSI Class 150 to 2500 |
| Temperature range | to 705°F (373°C) |
| Set pressures | 15 to 3200 psig(1.03 to 221 barg) |
| Code | ASME I and VIII |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Series 5200 Pilot Operated Pressure Relief Valves
A modulating pilot operated pressure relief valve for economizer applications that meets the stringent requirements of ASME Section I at high temperatures
Features
- Modulating action minimizes flow and resultant noise during normal
system upset - Non-flowing pilot reduces seat wear and minimizes entrance of dirt
General Application
- The Series 5200 has ASME Section I certified capacities for both steam and water and uses a full nozzle design
Detail Specification
| Sizes | 1½” x 2” to 8” x 10”(38 mm to 200 mm) |
| Orifices | F 0.307 to T 26.00 in2(1.98 to 167.7 cm2 |
| Inlet ratings | ANSI Class 150 to 2500 |
| Temperature range | to 705°F (373°C) |
| Set pressures | 15 to 3200 psig(1.03 to 221 barg) |
| Code | ASME I and VIII |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Series 90/9000 Pilot Operated Pressure Relief Valves
Maximize operating pressure and minimize emissions with the Series 90/9000 pilot operated relief valve; a high performance alternative to weight loaded relief devices
Features
- Pilot control keeps high seat forces all the way to set pressure point
- ASME UV Code Stamp for set pressures above 15 psig
General Application
A wide range of both pressure and vacuum relief valves
Detail Specification
| Sizes | 2” x 3” to 14” x 18”(DN 50 x 80 to DN 350 x 450) |
| Orifices | 2.29 to 113.0 in2(14.77 to 729.03 cm2) |
| Temperature range | -320°F to + 400°F(-196°C to +205°C) |
| Set pressures | 3” wc to 150 psig(7.5 mbarg to 10.34 barg) |
| Vacuum range | -2” wc to -5 psig(-5.0 mbarg to -0.345 barg) |
| Codes | ASME VIII; API 2000 |
Anderson Greenwood Pressure & Safety Valve
Anderson Greenwood 9300H Low Pressure Pilot Operated Relief Valve
Reduce valve size and cost with the highest capacity available for liquefied gas carriers; an evolution of more than 50 years’ experience in marine applications from both the Anderson Greenwood (AGCO) and Luceat brands
Features
- Highest flow available on the market enables the use of smaller valves
- Simple self-guiding seat design allows for repeatable seat tightness
General Application
The 9300H is a pilot operated relief valve designed to provide reliable pressure
Detail Specification
| Body material | CF8M stainless steel |
| Sizes | 2" x 3" to 12" x 16"(DN 50 x 80 to 300 x 400) |
| Temperature range | -320° to 200°F (-196° to 93°C) |
| Pressure range | 4 in. w.c. to 10 psig(10 mbar to 685 mbarg) |
| Vacuum range | 2.5 in. w.c. to 5 psig(7.5 mbarg to 340 mbarg) |
Anderson Greenwood Pressure & Safety Valve
Anderson Greenwood 9300H Low Pressure Pilot Operated
Relief Valve
Reduce valve size and cost with the highest capacity available for liquefied gas carriers; an evolution of more than 50 years’ experience in marine applications from both the Anderson Greenwood (AGCO) and Luceat brands
Features
- Highest flow available on the market enables the use of smaller valves
- Simple self-guiding seat design allows for repeatable seat tightness
General Application
- The 9300H is a pilot operated relief valve designed to provide reliable pressure
Detail Specification
| Body material | CF8M stainless steel |
| Sizes | 2" x 3" to 12" x 16"(DN 50 x 80 to 300 x 400) |
| Temperature range | -320° to 200°F (-196° to 93°C) |
| Pressure range | 4 in. w.c. to 10 psig(10 mbar to 685 mbarg) |
| Vacuum range | 2.5 in. w.c. to 5 psig(7.5 mbarg to 340 mbarg) |
Anderson Greenwood Pressure Relief & Safety Valve
Anderson Greenwood Series MLCP Pressure Relief Valves Modulating Large Capacity Pilot Operated
A simple, high performance, cost effective internally-sensed modulating large capacity pilot (MLCP) operated valve
Features
- Rigid integral pilot mounting eliminates the need for mounting brackets
- Simple design helps reduce maintenance time
General Application
The MLCP is a modulating pilot operated valve designed for gas
Detail Specification
| Sizes | 2” x 3” to 6” x 8”(50 mm to 150 mm) |
| Orifices | 3.141 to 28.274 in2(20.6 to 182.41 cm2) |
| Inlet ratings | ANSI Class 150 |
| Temperature range | -20 to 400°F (-29 to 205°C) |
| Set pressures | 3 to 14.99 psig(0.207 to 1.03 barg) |
