Fisher/Fisher 657 and 667 diaphragm actuators

The MR98 series is suitable for back- or pressure-relief applications in liquid, gas, air, and vapor applications. Models MR98L, MR98H and MR98HH are direct-acting spring valves. Models MR98LD, MR98HD and MR98HHD utilize additional load pressure to maintain differential pressure relief, ...

The Series 912 direct-acting, spring-loaded regulators are United States Safety Testing Laboratories Corporation (UL) certified regulators for use in a variety of applications and industrial applications. The valve membrane of these regulators has some internal pressure relief to help minimize overpressure. peculiarity ...

Introduction: The Fisher/Fisher A11 High Performance Butterfly Valve is a reliable, high-performance butterfly valve for throttling and switching applications. Available in a pair of clamp or single flange designs to maintain tight shut-off over long periods of time, the valve is specific for a wide range of pressure and temperature conditions, including cryogenic applications.

1 NPT end connection CL900 (2250 psig) pressure rating FloPro field selectable flow rates for 1/4, 3/8, and 1/2" port sizes Rugged alloy 6 trim for use in corrosive applications Full 2250 psig pressure drop capability Suitable for NACE ...

Fisher Micro-Flat cavitation trims are designed for clean, cavitation, and low flow applications with a maximum pressure drop of 51.7 bar (750 psi). Rather than eliminating cavitation, the trim is designed to control where it occurs to minimize losses. specification Certified in accordance with SIL ...

The Fisher 2052's highly versatile features and compact actuator design assist with throttling or on/off applications. It can be installed on any valve, even when space is limited. specification Actuation mode: spring return, right-angle rotation, rotation Certified to PED, C ...

Introduction: Fisher/Fisher Control-Disk™ rotary valves have excellent regulation performance. Compared to segmented ball valves, its equal percentage flow characteristics allow for a wider range of adjustments. This improved performance allows the valve to be controlled without process interference, allowing for better control of the target.

The Fisher 4660 pneumatic pilot-operated pressure controller activates a safe shutdown system for flowlines, production vessels, and compressors. The pilot is available in single or dual setpoint capability models that use a switching point to maintain full output pressure when the process pressure is within the set point range. If the process ...

Introduction: The Fisher/Fisher 8532 High Performance Butterfly Valve provides excellent performance under extreme pressure and temperature conditions. The 8532 valve maintains tight shut-off and can be used in fire-tested buildings and can also be specifically designed for cryogenic applications. The valve is flangeless (to-clamp) ...

It is suitable for steam turbine drainage and steam exhaust applications. peculiarity Forged body. Bonnet/body integrated design. Tungsten-chromium-cobalt alloy Stellite seat. Pilot valve plate. Dustproof casing on the upper part of the actuator. Easy conversion to actuators. Valve position indicator is available Small driving force. ...

Introduction: The Fisher/Fisher CV500 eccentric plug valve combines the adjustable rationtry of a cam, segmented V-notched ball valve with the inherent robustness of heavy-duty bearings, seals, and body. This combination provides a balance between corrosion protection and gas and liquid pressure control. 　　 ...

The Fisher Yarway 38/48 Standard Heavy Duty A.T.-Temp Desuperheater was developed specifically for medium/low pressure steam applications. specification Critical maintenance steam conditions Valve sizes NPS 1 / DN 25, NPS 1-1/2 / DN 40, NPS 2 / DN 50, NPS 3 / DN 80, NPS 4 / DN ...

Introduction: The Fisher/Fisher Vee-Ball™ V150S flanged control valve has a hemispherical construction and is equipped with a specially designed corrugated V-notch. The Vee-Ball Control Valve combines the ruggedness of a linear valve with the high efficiency of a rotary valve.

The Fisher 1052 spring-return diaphragm rotary actuator operates a splined shaft rotary valve for on/off or throttling applications. The easy-to-install design offers a wide range of options: limit switches, position indicator switches, positioners, and manual overrides. specification Actuation method Spring back ...

A control valve is a valve that is fully or partially opened or closed in a pipeline according to the process signal to control the flow, pressure, temperature and liquid level. Information on Fisher®, Baumann™ and POSI-SEAL™ brand control valves can be found via the links on this page. ...

Introduction: Fisher/Fisher GX control valve and actuator systems are designed with state-of-the-art technology in a small form factor for a wide range of process gases, vapors, and fluids, and are rugged, reliable, and user-friendly. It does not need to adjust the size of the actuator, once the valve ...

The Fisher DMA Desuperheater is a simple, mechanically atomized desuperheater with one or more nozzles with a fixed geometry for load-stabilized applications. The DMA is flanged to the side of the pipe in size DN 150 (NPS 6) or larger. specification Certified PED, CRN ...

Introduction: Fisher/Fisher NotchFlo™ DST control valves are designed for use in dirty, cavitation applications. The trims in this valve utilize a range of flow restrictions and extensions to eliminate cavitation, allowing particles up to 12.7 mm (1/2 in) in diameter to pass through without clogging. ...

The Fisher ATST desuperheater is a state-of-the-art solution for desuperheating applications where atomization performance and amplitude of variation are critical. ATST nozzles atomize water through steam atomization to form tiny water droplets that evaporate rapidly over a wide range of vapor flows and conditions. specification Certificates: PED, CRN ...

Fisher Cavitrol III trims are designed for clean, cavitation applications with a maximum pressure drop of 207 bar (3000 psi). The cage in the trim includes a large number of specially shaped, radially arranged holes to reduce turbulence and maintain the overall pressure drop, thereby controlling or eliminating cavitation.