View and download emerson fisher 657 instruction manual online. Maximum pressure limitations the casing and diaphragm of 657 actuators are pressure operated. The user shall verify the 657 or 667 actuator is suitable for use in safety applications. We dont share your credit card details with thirdparty sellers, and we dont sell your information to others. These springopposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals. The type 1051 actuator, in throttling service, is normally equipped with a valve positioner. Principal applications include operation of butterfly valves and builtin turbine valves, louvers, dampers, and other similar equipment. The actuator moved, stopped and then rapidly moved upwards. Residential, farm and inner city addresses cost extra email for a shipping quote.
Piston actuator for resellers and high volume orders. The item youve selected was not added to your cart. The actuator was subjected to a diaphragm casing pressure of 8. Capable of high thrust applications to 19,500 lbf, with a maximum travel to 8 18 inches. Our payment security system encrypts your information during transmission. The cvs series 470 is a double acting pneumatic piston actuator, suitable for use with globe, angle, three way, and reverse acting valves as well as steam equipment. The table below shows the actuator torque related to the position of the valve for both fail closed standard and fail open operation. Fisher model 657 pneumatic 10 gate valve, with actuator, 033 opening range, type ewd body, size 10x8 seat alloy 6, an. View and download fisher 657 instruction manual online. Fisher et sliding stem globe control valve size 3 657 actuator ships by motor freight. As proof of this, norbro pneumatic actuators can be found in a range of applications as diverse as the petrochemical industry.
They operate veeball valves, butterfly valves, built in turbine valves, louvers, dampers and similar equip ment. With five types in eleven different sizes offered, fisher 657 and 667 diaphragm actuators are engineered to deliver reliable onoff or throttling operation of automatic control valves for a wide range of applications. It requires no actuator sizing the actuator selection is automatic once the valve body. All cvs controls equipment, including actuators, are to be installed and maintained in accordance with instructions supplied by cvs controls. Failure of control valve actuator step change in safety. The design gx is rugged, reliable, and easy to select. Page 1 form 5504 type 656 september 1998 type 656 diaphragm actuators fisher controls type 656 actuators are long stroke, spring opposed, directacting diaphragm actuators. Refer to separate bulletins for valve and positioner information. Refer to separate instruction manuals for information about the valve positioner and other accessories used with these actuators. Fisher 657 actuator in sizes 30 through 70 and size 87.
The top of the diaphragm casing had sheared off 43 kg and fell to the deck 12. D104327x012 november 2017 safety manual for fisher 657 and. All sis components including the 657 or 667 actuator must be operational before process startup. Free shipping applies to commercial addresses with a way to remove the product from a freight truck. Page 4 to avoid parts damage, do not use an operating pressure that exceeds the maximum diaphragm casing pressure table 1 or produces a force on the actuator stem greater than the maximum. Type 1051 and 1052 diaphragm rotary actuators the type 1051 and 1052 springreturn diaphragm rotary actuators figure 1 operate splined shaft rotary valves, such as the edisc type 8510b and 8560, types 8532 and 9500, eplug design bv500, cv500 and v500 and veeball design v150, v200 and v300 valves.
Thrustcapabilities1 byinputsignalrange travel actuator size pressurerange toactuator diaphragm2 thrust capabilities 657 667 mm bar n 19 30 0. Refer to table 1 for specifications of the 657 actuator. An electric actuator provides a stem force output for a variety of process applications by using electricity as the power source. Fisher 667 pneumatic actuator repair replacement parts. The actuators position the valve plug in response to the controller or valve positioners pneumatic output signal sent to the actuator diaphragm casing. Fisher 657 and 667 diaphragm actuators haygor instrument. Fisher model 657 pneumatic 10 gate valve, with actuator, 033 opening range, type ewd body, size. Product bulletin 657 and 667 actuators september 2017. See the actuator nameplate for information about a specific actuator. Emerson fisher 657 instruction manual pdf download.
Fisher 657 actuator in sizes 3030i through 7070i and size 87. Fisher model 657 pneumatic 10 gate valve, with actuator. The 657 or 667 actuator will move the valve to its safe state in less than the required sifs safety time under the specified conditions. Electrohydrostatic valve actuator for ball, butter.
More recently norbro has added two variants to its pneumatic actuator range the series 61 twostage actuator for dosing applications and the series 33, a 180 degree actuator. Design gx control valve and actuator system the fisher design gx is a compact, stateoftheart control valve and actuator system, designed to control a wide range of process liquids, gases, and vapors. The norbro 40r series brings all of these factors together to provide the finest pneumatic actuator available today. Fisher 657 pneumatic actuator repair replacement parts. In the event that you need to return one of our ebay items, please call us at 336 3731868. Use of a positioner is recommended to ensure responsiveness in applications operating below40c 40f.
Please request a quote to obtain preferred pricing. The air pressure provides force to compress the spring and stroke the actuator. Fisher 657 and 667 actuators are designed to provide dependable onoff or throttling operation of control valves. Only qualified personnel may install and service the actuator, and, if necessary. Fisher controls 478 series piston actuators simple type. Travel stops, spring rates and manual operators are. The 657 actuator is directacting, while the 667 is reverseacting. Watch as landon facco from spartan controls shows how to install a fisher 657 actuator onto a fisher sliding stem valve. Zero setting of the actuator is determined by the compression of the actuator spring. Type 656 diaphragm actuator the type 656 actuator figure 1 is a bracketmounted, directacting, diaphragm actuator for either throttling or onoff service. Both actuators position the valve plug in response to varying pneumatic loading pressure on the actuator diaphragm. Fisher 657 diaphragm actuator sizes 3030i through 7070i. Fisher 657 and 667 ar valve resources valve details.
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