Siemens SINORIX CPY-35 - Valve Assembly Steps; Install Valve Seat and Retaining Clamp; Reassemble Valve Body and Piston

Document No. 129-097
Installation Instructions
June 10, 2020
Page 4 of 6 Siemens Industry, Inc.
c. Install a new O-ring on the top of the piston.
Figure 17.
d. Install a new O-ring on the top plug
adapter.
Figure 18.
a. Apply a small amount of Silicone RTV to
both locations shown below. Install a new
valve seat, and tighten the retaining clamp
using SINX 16, 17, 18 (for respective size).
Use a torque wrench with a 3/8" drive (Set
to proper torque setting).
Valve Size Seat
Retainer (in inches)
Torque (IN/LBS)
1
110
1.5
140
2.5
160
4
400
Figure 19.
b. Reassemble the valve
c. Reinstall the valve body to the cylinder (if
needed). Tighten until a metal-to-metal fit is
achieved.
d. Assemble the piston to the valve body.
Make sure to install the piston with the
rubber seat leading into the bottom of the
valve body.
Figure 20.
e. Assemble the spring on top of the piston.
Figure 21.
f. Assemble the top plug adapter. Tighten
until a metal-to-metal fit is achieved.
Figure 22.