Swagelok IPT Series Manual
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Swagelok IPT Series Manual

Nv needle valve
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IPT Series Manual NV Needle Valve
Service Instructions

NV Kit Contents

This kit contains one of the stem assemblies shown below. It is preassembled as shown.
NOTE: The image below may vary from the actual stem assembly. Compare kit contents with the
original stem assembly in the valve.
Single-Piece Stem Assembly
Two-Piece Stem Assembly
(2) Lubricant Packets

Tools Required

Part
Valve body
Handle jam nut
capable of
150 ft·lb (203 N·m)
Bonnet
See Table 1
Set screw and
socket head
cap screw
Size
—
Bench vise
5/8 in.
Hex socket
Torque wrench
Crow's foot adapter
5/8 in.
Hex bit
or
Tool
Table 1
NV (12F, 12N, 16M, 16N)
Crow's Foot Size
Valve Size
NV9M
13/16
NV12M
1 1/8
1 3/8
in.

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Summary of Contents for Swagelok IPT Series

  • Page 1 IPT Series Manual NV Needle Valve Service Instructions NV Kit Contents This kit contains one of the stem assemblies shown below. It is preassembled as shown. NOTE: The image below may vary from the actual stem assembly. Compare kit contents with the original stem assembly in the valve.
  • Page 2 Exploded View Valve Assembly Tee handle assembly Handle jam nut Stem Set screw Assembly Spring lock washer Stem jam nuts and upper bearing washer Bonnet Stem sleeve Socket head cap screw Stem assembly (kit component) Locking device Packing sequence Valve body *Bold indicates kit component...
  • Page 3 Instructions • WARNING Valve Reassembly Before removing the valve from service, to avoid personal injury, you must: Apply the supplied MS-LTK-NNS lubricant liberally • Depressurize the system. to the first four outside diameter (OD) threads, the • Cycle the valve. bottom face of the bonnet, and to the OD threads •...
  • Page 4 8 to 10 (10.8 to 13.5) Handle jam nut 8 to 10 (10.8 to 13.5) Required Torque ft·lb (N·m) For additional information, see www.swagelok.com. Socket Head Cap Screw Swagelok — TM Swagelok Company 2.5 to 4.0 (3.3 to 5.4) ©2019 Swagelok Company...

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