Instruction Manual
D104197X012
NPS 8 CHP Valve
September 2016
13
Parts Kit
Standard Packing Repair Kits (Non Live‐Loaded)
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)
Kits Packing Material
Single PTFE Graphite
Single PTFE Graphite
31.8 (1-1/4)
127 (5H)
RPACKX00352
RPACKX00542
Parts List
Numerous available combinations of valve parts make selection of some parts difficult; when ordering valve parts for
which a part number is not listed, provide the valve serial number with the order, permitting proper selection of
replacement parts to be made at the factory.
Note
Contact your
Emerson Process Management sales office
for Part
Ordering information.
Valve Assembly (figures 4 and 5)
Key
Description
1
Valve Body
2*
Cage
3*
Valve Plug
4*
Valve Stem
5*
Pin
6*
Seat Ring
7*
Seal Ring
8*
Back Up Ring
9*
Retaining Ring
10*
Anti-Extrusion Ring
11
Stud, Cont Thd
12
Hex Nut
13
Carbon Steel Washer
14
Bonnet
15*
Bonnet Gasket
16*
Cage Gasket
17*
Seat Ring Gasket
18*
Piston Ring
19*
Bore-Seal
20
Flow Arrow
21
Drive Screw
22
Anti-Seize Lubricant
23
Nameplate (not shown)
24
Wire (not shown)
Bonnet Assembly (figure 6)
Key
Description
1
Bonnet
2
Packing Flange
3
Packing Flange Stud
127 mm (5-H-inch) yoke boss diameter (2 req'd)
4
Packing Flange Nut
127mm (5H-inch) yoke boss diameter (2 req'd)
5*
Packing Set
6*
Packing Ring
7
Spring or Lantern Ring
8*
Packing Ring
9
Washer
10*
Packing Box Ring
11*
Upper Wiper, felt
12
Packing Follower, 316 stainless steel
13
Actuator Mounting Stud, steel (8 req'd)
14
Hex Nut, steel (8 req'd)
15*
Lower Wiper, PTFE
16*
Male Adapter, PTFE
17*
Female Adapter, PTFE/glass
*Recommended spare parts
