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Fisher™ Types 1808 and 1808A Relief Valve or Backpressure Regulators
72-2018
New product
Fisher Types 1808 globe-style and 1808A angle-style pilot-operated backpressure regulators or relief valves are economical, compact devices used in gas or liquid service to maintain pressure on oil and gas separators, and in pressure relief applications in gas distribution systems.
Related products
49-2017
New product
The automatic spring-loaded relief valves are designed to keep line pressure below preset values. They are mounted downstream of regulators and perform the specific function of releasing small amounts of gas in the event of the regulator not closing properly. V Series is in conformity with the Pressure Equipment Directive PED 97/23/EC and is classified in Max. Category I
12-2017
New product
Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action minimizes pressure surges in the system during relief operation.
65-2018
New product
Type ACE95 vapor saver is a pilot-operated valve used for accurate pressure control on low pressure blanketing systems. The unit is stainless steel actuated by a very large rolling diaphragm actuator and can accurately control the blanketing pressure by a single adjusting screw.
53-2017
New product
1805 Series relief valves are designed for use in farm tap applications where a relief valve is needed between the first-stage and second-stage regulators.1805 Series relief valves are suitable for natural gas,air, propane, or any medium compatible with the internal valve parts.Relief pressures range from 5 to 125 psig / 0,34 to 8,6 bar. Maximum pressure, including buildup, is 150 psig / 10,3 bar
54-2017
New product
Type 1805P-6358 relief valve is an accurate, low-cost, pilot-operated relief valve consisting of a Type 1805P main valve and a Type 6358 pilot. It is available in the NPS 2 size and is capable of relief pressure settings of 10 to 100 psig / 0,69 to 6,9 bar in three ranges. The relief pressure setting can be adjusted by rotating the pilot spring adjustment screw.
68-2018
New product
H200 Series pop relief valves are direct-operated relief valves with preset and pinned spring retainers. When the inlet gas pressure increases above the spring setting, the poppet and disk assembly is pushed away from the orifice.
70-2018
New product
Fisher Type H120 direct-operated relief valve has a preset and pinned spring retainer. The inlet pressure registers directly on a spring-opposed poppet assembly, which includes a Nitrile (NBR) disk. When the inlet pressure increases above the spring setting, the poppet and disk assembly is pushed away from the metal seat.
19-2017
New product
Fisher Type EZR pilot-operated, pressure relief valve or backpressure regulator is typically used in city gate and district stations as a relief valve for overpressure protection, or in commercial and industrial applications as a backpressure regulator. It provides smooth, quiet operation, tight shutoff, and long life, even in dirty service.