Mark One Control Valve - Flowserve Valtek Mark One Installation, Operation & Maintenance Instructions Manual

Adjusting Screw
(Item No. 210)
Spring
(Item No. 229)
Piston Stem O-ring
(Item No. 272)
Cylinder
(Item No. 202)
Piston
(Item No. 225)
Piston O-ring
(Item No. 271)
Yoke O-ring
(Item No. 274)
Stem Clamp
(Item No. 249)
Gland Flange
(Item No. 80)
Upper Packing
(Item No. 88)
Yoke Clamp
(Item No. 76)
Packing Spacer(s)
(Item Nos. 94-99)
Bonnet
(Item No. 40)
Bonnet Flange
(Item No. 70)
Anti-Extrusion Spacer
(Item No. 93)
Seat Retainer
(Item No. 30)
Seat Ring
(Item No. 20)
Seat Ring
Gasket
(Item No. 55)
Body
(Item No. 1)
Half Ring
(Item No. 11)
End Flange
(Item No. 10)
NOTE: Item numbers correspond directly to the valve's bill of material. Refer to it for specific part numbers.
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Figure 1: Mark One Control Valve
Adjusting Screw Gasket
(Item No. 248)
Spring Button
(Item No. 227)
Actuator Stem Locknut
(Item No. 348)
Actuator Stem Spacer
(Item No. 228)
Actuator Stem Bushing
(Item Nos. 253/254)
Actuator Stem O-ring
(Item No. 275)
Actuator Stem
(Item No. 211)
Cylinder Retaining Ring
(Item No. 256)
O
Stroke Plate
(item No. 213)
Stem Bellows
(Item No. 247)
S
Yoke
(Item No. 201)
Upper Stem Guide
(Item No. 87)
Upper Stem Guide Liner
(Item No. 86)
Anti-Extrusion Spacer
(Item No. 93)
E0031
Bonnet Flange
Stud and Nut
(Item Nos. 108/114)
Bonnet Gasket
(Item No. 58)
Lower Packing
(Item No. 88)
Lower Stem
Guide
(Item No. 83)
Lower Stem
Guide Liner
(Item No. 82)
Plug
(Item No. 50)
1-3