INSTALLATION, OPERATION & MAINTENANCE MANUAL The Ultimate Critical Service Triple Offset Valve
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Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve Table of Contents Page 1.0 Introduction 2 2.0 Safety Information 2 2.1 Definition of Terms 2 2.2 ATEX Directive 94/9/EC 2 2.2.1 Marking 3 2.2.2 Special Conditions for Safe Use 3 3.0 Installation 4 4.0 Long Term Storage 5 5.0 Handling Requirements 5 6.0 Recommended Lubricants 5 7.0 Travel Stop Setting Instructions 6 8.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 1.0 Introduction 2.0 Safety Information Information provided in this manual is for standard instructions for non-standard materials of construction, temperature 2.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 2.2.2 Special Conditions for Safe Use The following factors must be carefully considered in order to ensure the valve is compatible with the atmosphere in which it is applied. The system designer and/or end user should formally address each item and carefully to ensure continued compliance throughout the life of the Tri Lok valve.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 3.0 Installation 1. Tri Lok is designed to be installed between ASME 6. When bolting the valve into the line, use standard bolting torque as recommended by applicable piping standards. The valve body seat (replaceable) is is open, a portion of the disc may protrude into the and some gate sizes, the open disc may protrude into the pipe on the seat side of the valve.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 4.0 Long Term Storage In case valves have to be stored before installation, storage must be carried out in a controlled manner as follows: 1. Valves must be stored in a closed, clean and dry environment. 2. Valve disc to be in closed position and the body 6.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 7.0 Travel Stop Setting Instructions Preface Tri Lok is a quarter turn, metal-seated valve. There is no mechanical stop in the valve at the “closed” position. Purpose ! CAUTION Valves can be damaged if proper care is not exercised during the setting of Open and /or Closed stops.
Operation and Maintenance Manual A Division of Bray International, Inc.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 9.0 Standard Maintenance for Class 150 and 300 Valves ! WARNING Precautions should be taken before beginning any work on the valve assembly. A S ME CLAS S 1 5 0 & 3 0 0 Protective clothing, as required by appropriate safety codes, should be worn.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 9.2 Body seat (replaceable) Replacement Refer to parts diagram for parts identification by reference numbers. (Pg. 7) It is highly recommended that both the body seat (replaceable) (B1) and disc seal ring (C2) be replaced at the same time. However, individual components are not matched in pairs; and may be replaced separately if desired.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve seat. Check each time that the disc seal ring makes full contact without torquing into the seat. Attention should be paid in the closing stroke that the seat does not scratch thedisc seal ring. This will allow thedisc seal ring and seat to be properly aligned. A S ME CLAS S 1 5 0 & 3 0 0 13. Close the valve.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 8. Lubricate (refer to lubrication table) the sealing surfaces of the disc seal ring (C2) and the seat (B1). Using a suitable actuator, close and open the valve 2-3 times, only closing the valve to the point where the disc seal ring engages with the seat. Check each time that the disc seal ring makes full contact without torquing into the seat.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve Table 2 Torque Values for Gland Retaining Nuts A S ME CLAS S 1 5 0 & 3 0 0 Valve Size Gland Nut Torque - Class 150 Gland Nut Torque - Class 300 in mm Lb-in. Nm Lb-in. Nm 3 80 35 4.0 45 5.1 4 100 35 4.0 45 5.1 6 150 45 5.1 65 7.3 8 200 45 5.1 80 9.0 10 250 65 7.3 100 11.3 12 300 65 7.3 100 11.3 14 350 80 9.0 125 14.1 16 400 80 11.
Operation and Maintenance Manual A Division of Bray International, Inc.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 11.0 Standard Maintenance For Class 600 and 900 Valves ! 10.1 Packing Replacement WARNING Precautions should be taken before beginning any work on the valve assembly. Protective clothing, as required by appropriate safety codes, should be worn.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 11.2 Body seat (replaceable) Replacement ence numbers. (Pg 13). 1. If valve is actuated with fail close or fail open pneumatic/hydraulic actuator, remove it from the valve. A suitable gearbox must be installed to perform maintenance on the valve. 2. When the gearbox is installed on the valve, open it until the disc seal ring is disengaged from the seat.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve ring engages with the seat. Check each time that the disc seal ring makes full contact with the body seat (replaceable) without torquing into the seat. Attention should be paid in the closing stroke that the body seat (replaceable) does not scratch the disc seal ring. This will allow the disc seal ring and seat to be properly aligned.
Operation and Maintenance Manual A Division of Bray International, Inc.
Operation and Maintenance Manual A Division of Bray International, Inc. The Ultimate Critical Service Triple Offset Valve 12.0 - Tri Lok Troubleshooting Guide Symptom Valve won’t rotate Possible Cause Resolution 1) Packing is too tight. 1) Loosen packing nuts and set the torque according to its torque table. 2) Actuator has failed. 2) Repair or replace. 3) Valve not cleaned before assembling and presence of solid particles on bushing/stem or bottom plate area.
Operation and Maintenance Manual A Division of Bray International, Inc.
Operation and Maintenance Manual A Division of Bray International, Inc.
Operation and Maintenance Manual A Division of Bray International, Inc.
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. © 2013 Bray International. All rights reserved.
