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P/N 01-1011423 | REV. C 09/18 | INSTRUCTION SHEET
CR8 Manual
Multi-turn Valve
Repair instructions
INSTRUCTIONS
—
CR8 manual multi-turn valves including
all media end connections.
CAUTION! Remove any pressurized
sources from the valve before
attempting repair.
1. Repair kit contents: multi-turn actuator
assembly, diaphragm, bolt plugs, stop
nut and handle. Consult factory if
replacement bolts and lock washers
are needed.
Handle diaphragm so that seal surfaces
are not damaged.
Red stop nut
Bolt plugs
2. Remove four bolt plugs and discard.
NOTE that the media leak port is
parallel to port 1 and points in the
same direction.
3. Remove four bolts and washers 1⁄2 turn
Actuator
assembly
Handle
Diaphragm
Turn handle counterclockwise so valve
is in the open position.
Media
leak port
Port 1
at a time in a cross pattern (1, 2, 3, 4)
with a 5⁄32" hex key. Save bolts and lock
washers unless new ones have been
purchased separately from the repair
kit.
1
3
CAUTION! Point actuator away from
personnel for step 4.
4
2
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Table of Contents
Related Manuals for entegris CR8
Summary of Contents for entegris CR8
- Page 1 CR8 Manual Multi-turn Valve Repair instructions INSTRUCTIONS Turn handle counterclockwise so valve — is in the open position. CR8 manual multi-turn valves including all media end connections. CAUTION! Remove any pressurized sources from the valve before Media leak port attempting repair.
- Page 2 Seal surface Poppet seal 6. Install diaphragm onto actuator as- sembly by threading it clockwise into the threaded stem until it is finger tight. P/N 01-1011423 | Rev. C 09/18 | Entegris, Inc.
- Page 3 1.1 mm (0.045") and not vary by more than 0.38 mm (0.015"). Use a feeler gauge or caliper to measure the gap at the corners of the valve. Entegris, Inc. | P/N 01-1011423 | Rev. C 09/18...
- Page 4 16. Once the port seal test passes, carefully remove handle and install in 18. Install the bolt plugs. the correct position as shown without disturbing the position of the hexes. P/N 01-1011423 | Rev. C 09/18 | Entegris, Inc.
- Page 5 Contact Us link to find the customer service center nearest you. TERMS AND CONDITIONS OF SALE All purchases are subject to Entegris’ Terms and Conditions of Sale. To view and print this information, visit entegris.com and select the Terms & Conditions link in the footer.
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