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Home » Catalogue » FMC Invalco Catalogue » Valves/Actuators, Trim and Options » 2”, 3”, 4” and 6” Series 455 and 510 - Valve Trim Sets

2”, 3”, 4” and 6” Series 455 and 510 - Valve Trim Sets

DESCRIPTION

The majority of valves shown in this catalog are furnished as standard with direct-acting topworks; that is, air or gas pressure is applied below the diaphragm to open the valve and the spring pushes down to close the valve as pressure is removed.

Most valves can be fitted with a reverse acting topworks as an option. In this configuration the spring pulls up to hold the valve open until sufficient air or gas pressure is applied above the diaphragm to push down and close the valve.

The type of topworks contained within the diaphragm case can be determined in two ways. One is by the model number of the valve: D = Direct, DX = Reverse. The other method is to observe the shape of the adjusting screw at the top of the diaphragm case (Direct = Hex Head or Square Head Screw, Reverse = Round with Flats on Two Sides.

Files area
Series 455 and 510 Trim Sets Manual Series 455 and 510 Trim Sets Manual
Topworks Options Topworks Options
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2”, 3” AND 4” ORDERING INFORMATION
2”, 3” AND 4” ORDERING INFORMATION

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6” ORDERING INFORMATION
6” ORDERING INFORMATION
Ordering Information

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Check Part # Description Comments Qty
83000112 Complete Trim Set DF*-201
45002431 Spacer Cage DF*-201
45010518 Stem Connector DF*-201
67101532 O-Ring DF*-201
45002436 Lower Washer DF*-201
45002423 Upper Seal DF*-201
45002432 Upper Seal Washer DF*-201
45002434 Upper Stem Guide DF*-201
45016100 Seat Cage DF*-201
45002424 Lower Seal DF*-201
67101530 O-Ring DF*-201
45002435 Lower Stem Guide DF*-201
65003075 Nut, Thin Flexloc DF*-201
45002433 Lower Seal Washer DF*-201
45012494 .005 Shim DF*-201
45011336 .010 Shim DF*-201
45002429 Stem DF*-201
67101530 O-Ring DF*-201
65004401 Washer Tooth DF*-201
83000113 Complete Trim Set DF*-301/401
45003389 Spacer Cage DF*-301/401
45010521 Stem Connector DF*-301/401
67101408 O-Ring DF*-301/401
45003392 Lower Washer DF*-301/401
45003359 Upper Seal DF*-301/401
45003390 Upper Seal Washer DF*-301/401
45003384 Upper Stem Guide DF*-301/401
45016102 Seat Cage DF*-301/401
45003359 Lower Seal DF*-301/401
67102331 O-Ring DF*-301/401
45003386 Lower Stem Guide DF*-301/401
65003402 Nut, Thin Flexloc DF*-301/401
45003395 Lower Seal Washer DF*-301/401
45012496 .005 Shim DF*-301/401
45016285 .010 Shim DF*-301/401
45003385 Stem DF*-301/401
67101736 O-Ring DF*-301/401
65005389 Washer Tooth DF*-301/401
65005389 Washer, 1/2 Tooth Lock DF*-601
45006273 Stem Adapter DF*-601
45006275 Upper Cage Pin DF*-601
65004401 Washer, 3/8 Tooth Lock DF*-601
45006270 Plug Body DF*-601
67306345 O-Ring, VIT-346-75 DF*-601
45006271 Plug Cap DF*-601
45006274 Cage Pin DF*-601
45006272 Lower Stem DF*-601
67106465 O-Ring, BUN-253-90 DF*-601
45006268 Lower Seat DF*-601
67101532 O-Ring, BUN-110-90 DF*-601
65003075 Nut, 3/8-24 Flexloc DF*-601
65006386 Washer, 1/4 Spring Lock DF*-601
65006180 Screw, 1/4-20 SHCS DF*-601
45006269 Upper Seat DF*-601
67106178 O-Ring, BUN-254-90 DF*-601

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