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Gresswell Valves was founded in Birmingham in the 1930's by the Hayes family and built a reputation for a wide range of quality valves and related products. G55 Relief Valve
G55 Relief ValveBronze proportional lift safety relief valve 1/2" to 3". Used to prevent a safe pressure being exceeded in a pressurised system. Suitable for use with liquids or gases.
G90 Relief Valve
Bronze proportional lift safety relief valve with test lever, 1/2" to 3". Used to prevent a safe pressure being exceeded in a pressurised system. Suitable for use with liquids or gases.
G36 Relief Valve
Stainless steel proportional lift safety relief valve, 1/2" to 2". Used to prevent a safe pressure being exceeded in a pressurised system. Suitable for use with liquids or gases.
G100 High Lift Safety Relief Valve
Bronze high lift safety valves with testing lever. These valves are for use with compressible media only; mainly steam systems to prevent safe pressures being exceeded.
S2000 Full Lift Safety Relief Valve
Bronze and stainless steel Full Lift Safety Relief Valves. These valves are used to prevent safe pressures being exceeded through immediate action and maximum flow rates.
GX25/45 High Lift Safety Relief Valves
High Lift Safety Relief Valves 1/4" to 1" atmospheric discharge. Suitable for air and inert gases.
Gresswell Valves
Gresswell Valves have been providing an essential supply of pressure safety/relief valves to industry for almost 80 years. Manufactured in bronze and stainless steel with a wide range of pressure settings (0.3 - 21 bar) Gresswell Valves can be supplied to various specifications to provide safety from potentially lethal over pressure, e.g. boiler systems, pumps, shipping, oil and gas industries and enclosed pressurised systems.
These are some of the valve models that we supply:
General Purpose Pressure Relief Valves
G36 General Purpose Pressure Relief Valves
G55 General Purpose Pressure Relief Valves
G90 General Purpose Pressure Relief Valves
FIG134 and FIG134EL General Purpose Pressure Relief Valves
High & Full Lift Safety Relief Valves
G100 High Lift Safety Relief Valves
S2000 and S2000DT Full Lift Safety Relief Valves
S2000SS and S2000SSDT Full Lift Safety Relief Valves
Open Discharge Pressure Relief Valves
FIG133 Open Discharge Pressure Relief Valves
FIG124 Open Discharge Pressure Relief Valves
In Line Discharge Pressure Relief Valves
FIG140 In-line Pressure Relief Valves
FIG141 In-line Pressure Relief Valves
FIG142 In-line Pressure Relief Valves
Liquid Relief Valves
FIG160 Liquid Relief Valves
High Pressure Relief Valves
FIG154 High Pressure Relief Valves
FIG234 High Pressure Relief Valves
FIG236 High Pressure Relief Valves
FIG254 High Pressure Relief Valves
Anti-Vacuum Valves
FIG400 Anti-Vacuum Valves
FIG400SS Anti-Vacuum Valves
Vacuum & Pressure Relief Valves
FIG170 Pressure and Vacuum Relief Valves
Pedal Valves
FIG550 Pedal Operated Globe Valves
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