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Table 3: Groove Pin Replacement and Valve Stem to Plug Torque

Valve Stem Connection (VSC)

Drill Size,

Stem Torque

Minimum to Maximum

Ft•Lb

N•m

3/4

19.1

3/16

175-250

238-340

25.4

1/4

310-355

420-481

1-1/4

31.8

1/4

610-670

830-910

Figure 2. Typical Bonnets, shown with single
TFE V-Ring Packing Set

ark

EW S

EriES

lobE

tylE

ontrol

alVES

Содержание I & M Mark EW Series

Страница 1: ...n in place If the valve has buttwelding ends and composition trim remove the composition trim prior to welding into the line 6 For flanged bodies install an appropriate gas ket between the pipeline an...

Страница 2: ...y numbers unless otherwise indicated For packing that is spring loaded single TFE V ring packing a sealing force is maintained by the spring Figure 1 Key 5 If leakage around the packing follower Figur...

Страница 3: ...he bonnet on a protective surface to pre vent damage to the surface of the bonnet gasket 7 Remove the bonnet gasket Figures 3 and 4 Key 33 and cover the valve body opening in or der to prevent debris...

Страница 4: ...acking Flange Nut Torque Guidelines Valve Stem Dia ANSI Class PTFE Type Packing GRAPHITE Type Packing Min Torque Max Torque Min Torque Max Torque Inches mm Lb in N m Lb in N m Lb in N m Lb in N m 1 2...

Страница 5: ...skets and other Products of Garlock Garlock Inc Grafoil R Garlock R Single Packing All Yoke Sizes Upper Wiper Packing Follower Female Adaptor V Ring Male Adaptor Lantern Ring Packing Box Ring PTFE V R...

Страница 6: ...e body Key 24 If the cage were to drop out of the body after being lifted partially out cage damage will result Use caution to avoid damage to the gasket sealing surfaces The graphite piston ring s Ke...

Страница 7: ...on and as shown in View A Figure 3 Mark EWD Graphite Piston Ring a The Mark EWD graphite piston ring is in two pieces and can be easily removed b The new graphite piston ring is supplied as a complete...

Страница 8: ...00 8 x 6 inch and Mark EWT constructions 1 With a restricted trim seat ring construction install the adaptor gasket Key 37 and seat ring adaptor Key 28 2 Install the seat ring gasket Key 36 seat ring...

Страница 9: ...m Connection VSC Drill Size In Stem Torque Minimum to Maximum in mm Ft Lb N m 3 4 19 1 3 16 175 250 238 340 1 25 4 1 4 310 355 420 481 1 1 4 31 8 1 4 610 670 830 910 Figure 2 Typical Bonnets shown wit...

Страница 10: ...on Bonnet Bushing 20 Packing Flange 21 Packing Flange Studs 22 Individual Packing Ring 23 Pipe Plug for Double Tapped Bonnet 24 Valve Body Key Description 25 Valve Plug 26 Cage 27 Cage Adaptor 28 Seat...

Страница 11: ...11 Figure 3 Mark EWD Series through 12X6 Mark EW Series Globe Style Control Valves See View A...

Страница 12: ...12 Fig 4 12x8 Class 900 Bonnet 5 yoke boss bolting detail Fig 5 Typical 8x6 Valve Body Mark EW Series Globe Style Control Valves A See Gasket Sets Bonnet Assembly See Fig 2...

Страница 13: ...inch 25 4 mm Stem 0U099735072 1 1 4 inch 31 8 mm Stem 0W087135072 6 Packing Box Ring 316 SST 3 4 inch 19 1 mm Stem 1J873335072 1 inch 25 4 mm Stem 1J873435012 1 1 4 inch 31 8 mm Stem 1J873525012 7 Ma...

Страница 14: ...tor for Restricted Capacity 6 x 4 x 2 1 2 inch Body WCB Steel for WCB Steel Body 1V705722012 410 SST HT for C5 or WC9 Steel Body 1V7057X0012 316 SST for 316 SST Body 1V705733092 28 Seat Ring Adaptor f...

Страница 15: ...2 x 8 48 Seal Ring Carbon Filled TFE EWT Only 8 x 6 12 x 6 10A2643X012 10 x 8 12 x 8 51 Back Up Ring EWT only Viton 0 400o F 8 x 6 12 x 6 1V660005292 Ethylene Propylene water or steam 40o F to 300o F...

Страница 16: ...A5351X012 1 11A5251X012 11A5257X012 1V658535072 20A0103X012 1 1 4 11A5252X012 11A5258X012 1V658635072 20A4608X012 12 x 8 1 1 4 21A21A5283 21A5267X012 21A5358X022 21A5361X012 1 Alloy 6 on valve plug se...

Страница 17: ...946172 2V644046062 12 x 8 20A3260X012 20A3260X152 Key 32 Seat Ring Body Size In Metal Seat TFE Seat 425o F to 450o F 450o F to 800o F Over 800o F 70o F to 400o F 8 x 6 and 12 x 6 1U5085X0092 1U5085X00...

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