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Instruction Manual

D100381X012

HS Valve

June 2019

15

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Содержание Fisher HS

Страница 1: ... have been manufactured with asbestos free components The included manual might mention asbestos containing parts Since 1988 any gasket or packing which may have contained some asbestos has been replaced by a suitable non asbestos material Replacement parts in other materials are available from your sales office Safety Instructions Please read these safety warnings cautions and instructions carefu...

Страница 2: ...rks by proper tool selection and avoiding other types of impact energy Control Valve surface temperature is dependent upon process operating conditions WARNING Control valve surface temperature is dependent upon process operating conditions Personal injury or property damage caused by fire or explosion can result if the valve body surface temperature exceeds the acceptable temperature for the haza...

Страница 3: ...ssible due to the discharge of static electricity from the valve components To avoid personal injury or property damage make sure that the valve is grounded to the pipeline before placing the control valve assembly into service Use and maintain alternate shaft to body bonding such as a shaft to body bonding strap assembly D Rotary shaft valves are designed and intended for installation between fla...

Страница 4: ...bonnet gasketed joint by either rocking the bonnet or prying between the bonnet and body Work the prying tool around the bonnet until the bonnet loosens If no fluid leaks from the joint proceed with bonnet removal D As you remove parts such as valve shafts other parts such as disks can fall from the valve body or suddenly move to another position in the valve To avoid injury from falling or moving...

Страница 5: ...r maintain a HS control valve without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read understand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson sales offi...

Страница 6: ...dard or code limitations should not be exceeded Specifications Typical specifications for HS control valves are shown in table 1 Figure 2 Double Port Fisher HS Valve with Top and Bottom Guided Throttle Plug Valve Plug W0474 1 Installation WARNING Always wear protective gloves clothing and eyewear when performing any installation operations to avoid personal injury Personal injury or equipment dama...

Страница 7: ...ed with the valve in the line WARNING D Avoid personal injury or property damage from sudden release of process pressure Before performing any maintenance operations D Do not remove the actuator from the valve while the valve is still pressurized D Always wear protective gloves clothing and eyewear when performing any maintenance operations to avoid personal injury D Disconnect any operating lines...

Страница 8: ... 3 for PTFE V ring packing and to figure 4 for PTFE composition packing unless otherwise indicated For spring loaded single PTFE V ring packing the spring maintains a sealing force on the packing If leakage is noted around the packing follower check to be sure the shoulder on the packing follower is touching the bonnet If the shoulder is touching the bonnet tighten the packing flange nuts until th...

Страница 9: ...G BOX RING KEY 11 FEMALE ADAPATER PACKING RING MALE ADAPATER PACKING SET KEY 6 2 REQ D FOR DOUBLE ARRANGEMENT UPPER WIPER KEY 12 PACKING FOLLOWER KEY 13 PACKING BOX RING KEY 11 LOWER WIPER LOWER WIPER MALE ADAPATER PACKING RING FEMALE ADAPATER SPACER KEY 8 UPPER WIPER KEY 12 PACKING FOLLOWER KEY 13 MALE ADAPATER PACKING RING FEMALE ADAPATER PACKING BOX RING KEY 11 LOWER WIPER LATNERN RING KEY 8 AS...

Страница 10: ...ng rings are removed from on top of the lantern ring Clean all metal parts to remove particles that would prevent the packing from sealing 4 Install packing rings If split ring packing is being added spread the rings over the stem and slide the rings into the packing box Alternate the positions of the splits to avoid creating a leak path If solid ring packing is being added remove the stem connect...

Страница 11: ...late the control valve from the line pressure release pressure from both sides of the valve body and drain the process media from both sides of the valve If using a power actuator also shut off all pressure lines to the power actuator release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment 2 Disconnect the val...

Страница 12: ... and packing flange nuts 10 Tighten the packing flange nuts as follows a For spring loaded PTFE V ring packing tighten the packing flange nuts until the shoulder on the packing follower contacts the bonnet b For graphite packing tighten the packing flange nuts to the maximum recommended torque shown in table 5 Then loosen the packing flange nuts and retighten them to the recommended minimum torque...

Страница 13: ... actuator also shut off all pressure lines to the power actuator release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment 2 Disconnect the valve stem from the actuator by unscrewing the cap screws and removing the stem connector 3 To remove the valve plug use the appropriate procedure below For direct acting va...

Страница 14: ...assuming a seat ring puller as shown in figure 8 is being used a Place the proper size seat lug bar across the seat ring so that the bar contacts the seat lugs as shown in figure 8 b Insert a drive wrench and place enough spacer rings over the wrench so that the hold down clamp will rest about 1 4 inch above the valve flange Figure 8 Seat Ring Puller SEAT LUG BAR AD5222 B A1615 IL DRIVE WRENCH TUR...

Страница 15: ...other On direct acting valves push down to close action install the smaller ring in the valve body port farther from the bonnet before installing the larger ring Screw the seat ring s into the valve Use the seat ring puller to tighten the seat rings in the valve to the torque values specified in table 6 and 7 Remove all excess pipe compound after tightening The seat ring can be spot welded in plac...

Страница 16: ...on to lap the seats On double port valves the top ring normally grinds faster than the bottom ring Under these conditions continue to use lapping compound on the bottom ring but use only a polishing compound rottenstone and oil on the top ring If either of the ports continues to leak use more lapping compound on the seat ring that is not leaking and polishing compound on the other ring This proced...

Страница 17: ...in position with the stem locknuts 6 Cycle the actuator to be sure that full travel is being obtained and that the valve plug seats before the travel stop if one is present is contacted CAUTION Do not use wrenches or other tools directly on the valve plug stem or damage to the stem surface and subsequent damage to the valve packing may result Never rotate the valve plug stem while the valve plug i...

Страница 18: ...our Emerson sales office for assistance or when ordering replacement parts WARNING Use only genuine Fisher replacement parts Components that are not supplied by Emerson Automation Solutions should not under any circumstances be used in any Fisher valve because they may void your warranty might adversely affect the performance of the valve and could cause personal injury and property damage ...

Страница 19: ...Instruction Manual D100381X012 HS Valve June 2019 15 ...

Страница 20: ...ilable upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 1975 2019 Fisher Controls International LLC All rights reserved Fisher and ENVIRO SEAL are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co Emerson Automation Solutions Emerson and the Emerson logo are ...

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