1. Manuals
  2. Brands
  3. Bray Manuals
  4. Control Unit
  5. TRI LOK
  6. Operation and maintenance manual

Bray Tri Lok Operation And Maintenance Manual

Triple offset valve
Hide thumbs Also See for Tri Lok:
Table of Contents

Advertisement

Quick Links

Download this manual
TRI LOK
R
TRIPLE OFFSET VALVE
OPERATION AND MAINTENANCE MANUAL
The
High
Performance
Company

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Tri Lok and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Bray Tri Lok

Summary of Contents for Bray Tri Lok

  • Page 1 TRI LOK TRIPLE OFFSET VALVE OPERATION AND MAINTENANCE MANUAL High Performance Company...

  • Page 3: Table Of Contents

    4.1 Stem Seal Replacement ..................4 4.2 Table 2: No. of Stem Seals & Torque Values for Gland Retaining Units ..5 4.3 Body Seat Replacement .................6 4.4 Disc Seal Ring Replacement ................7 4.5 Table 3: Tightening Torque Values For Individual Body Seats & Disc Seal Rings ..........9 5.0 Complete Valve Disassembly.................9 6.0 Valve Assembly ....................10 7.0 Valve Part Diagram ..................11 FOR MORE INFORMATION ON THIS PRODUCT AND OTHER BRAY PRODUCTS PLEASE VISIT OUR WEBSITE – www.bray.com...

  • Page 4: Safety Information - Deinition Of Terms

    The non-preferred Gate face-to-face coniguration direction of valve installation is with the upstream line pressure on the body seat side and the stem on the The Bray Tri Lok metal seated valve is fully rated to downstream side. ASME B16.34. The preferred direction of low is indicated by an arrow The design of the valve complies with ASME B16.34...
  • Page 5 The valve body seat is inde- of the low in the line. pendent of the lange bolting, hence additional force from the lange bolts is not required. 4) Whenever possible, install the Tri Lok with the stem in horizontal position with respect to the Valve Size Min. Pipe ID. Min. Pipe ID.

  • Page 6: Maintenance

    Remove operator or actuator from the valve. Remove socket head cap screws and The Tri Lok valve must be in closed position to lock washers (25). Remove mounting bracket or be removed from the line. Otherwise, the sealing mounting plate (26), depending on valve size.
  • Page 7 BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual ing tube to set individual rings irmly, but without anti-blowout retaining ring or split ring (21) depending on valve size and gland ring (19). excessive effort as not to crush the graphite. 3) Extract all stem seals (18A and 18B), taking care...

  • Page 8: Body Seat Replacement

    ( Pg. 13 ) compressed air. Bray recommends that both the body seat (8) and Remove the disc seal ring retaining screws (10) the disc seal ring (13) be replaced at the same time.

  • Page 9: Disc Seal Ring Replacement

    (12) attached to the by reference numbers in parentheses. disc (15). Bray recommends that both the disc seal ring (13) Using a suitable wrench, rotate the valve and the body seat (8) be replaced at the same time.
  • Page 10 BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual Rotate the disc (15) as necessary to access the splined stem (5), partially open and quickly close the disc (15) irmly into the body seat (8) seal face on the disc (15). Using soft tools and suitable wire brush, carefully clean any rem- a few times.

  • Page 11: Complete Valve Disassembly

    BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual Valve Class 150 Valves Class 300 Valves Size Seat Torque Seal Torque Seat Torque Seal Torque Jacking Bolt Jacking Bolt In (mm) lb-in (Nm) lb-in (Nm) lb-in (Nm) lb-in (Nm) 3 (80) 50 (5.6) - 60 (6.8)

  • Page 12: Valve Assembly

    Repeat the procedure, very carefully, when installing the lower bearing (3). When reassembling the Tri Lok valve, all gaskets, packing, and seals should be new. Cap screws can Use liberal amount of lubricant on the sealing be reused if in good condition, but Bray recom-...

  • Page 13: Valve Part Diagram

    BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual 7.0 V ALVE IAGRAM 6” (150 AFER ANSI 150 STEM PLUG PLUG GASKET UPPER/LOWER BEARING BEARING GASKET SPLINED STEM VALVE BODY BODY SEAT GASKET BODY SEAT BODY SEAT RETAINING CAP SCREWS (HEx)
  • Page 14 BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual oteS...
  • Page 15 BRAY Tri Lok Triple Offset Valve Operation and Maintenance Manual oteS...
  • Page 16 CONTROLS A Division of BRAY INTERNATIONAL, Inc. 13333 Westland East Blvd. Houston, Texas 77041 281/894-5454 FAX 281/894-9499 www.bray.com ® Bray is a registered trademark of BRAY INTERNATIONAL, Inc. © 2009 Bray International. All rights reserved. OM-24-002 08/2009...

Table of Contents