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Summary of Contents for Bray McCannalok
- Page 1 Bray/McCannalok Cryogenic High Performance Butterfly Valve Operation and Maintenance Manual...
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Page 2: Table Of Contents
Disc and Stem Replacement Parts Diagram - Bray/McCannalok Cryogenic Valve Parts Diagram - Bray/McCannalok Low Temperature Valve Field Adjustments - All Valves For information on this product and other Bray products please visit us at our web page - www.bray.com. -
Page 3: Definition Of Terms
Tight shutoff provided throughout a wide range of operating conditions • Suitable for both modulating and on/off services, the Bray/McCannalok butterfly valve is easily automated with your choice of manual operators, electric and pneumatic actuators, positioners, and controls Additional information about Bray/McCannalok butterfly valves – including application data, engineering specifications,... -
Page 4: Installation
Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual INSTALLATION The Bray/McCannalok valve is designed to be mounted between ANSI flanges When the valve is open, the disc will extend into the pipe on both sides of the valve – further on the body side than the seat retainer side... -
Page 5: Maintenance
Depending on the application, the valves may service, close the valve and depressurize the line need to be cleaned and assembled at a qualified oxygen The eccentric design of the Bray/McCannalok may allow cleaning facility line pressure to open the valve if the handle/actuator is... -
Page 6: Stem Seal Replacement
Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual STEM SEAL REPLACEMENT Refer to drawings on page 9 and page 8 for parts Table 3 - identification TOTAL NUMBER OF STEM SEALS If required, remove handle assembly Remove socket Valve Size Class... -
Page 7: Seat Replacement
Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual SEAT REPLACEMENT Refer to drawings on page 9 and page 8 for parts 10 A final tightening should be checked prior to identification With the disc in the closed position, remove installation Operate valve several times and examine... -
Page 8: Disc And Stem Replacement
Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual DISC AND STEM REPLACEMENT Refer to drawings on page 9 and page 8 for parts on stem with pins removed When pins (4) are out, lay identification body down so disc and body are evenly supported on... - Page 9 Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual 17 Install new stem seals, following instructions in “Stem Seal Replacement” section (See page 4) 18 Install new seat, following instructions in “Seat Replacement” section (See page 5) 19 Remount handle assembly or actuator, and operate...
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Page 10: Parts Diagram - Bray/Mccannalok Cryogenic Valve
Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual PARTS DIAGRAM - Bray/McCannalok Cryogenic Valve ITEM NO. DESCRIPTION Body Disc Stem Taper Pin Disc Spacer Bearing Lock Washer Socket Head Cap Screw Mounting Bracket Thrust Washer Stem Seal Grounding Washer Gland Ring... - Page 11 Bray/McCannalok Cryogenic Valve Operation and Maintenance Manual PARTS DIAGRAM - Bray/McCannalok Low Temperature Valve ITEM NO. DESCRIPTION Body Disc Stem Taper Pin Disc Spacer Bearing Lock Washer Socket Head Cap Screw Mounting Bracket Thrust Washer Stem Seal Grounding Washer Gland Ring...
- Page 12 Bray Controls All statements, technical information, and recommendations in this bulletin are for general use only Consult Bray representatives or factory for the specific requirements and A Division of Bray International, Inc. material selection for your intended application The right to 13333 Westland East Blvd.
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