Bray Triple Offset - Manual (Page 3)

1 O & M
A D i v i s i o n o f B r a y I n t e r n a t i o n a l , I n c .
The Ultimate Critical Service Triple Offset Valve
O p e r a t i o n a n d M a i n t e n a n c e M a n u a l
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
8.0 Valve Part Diagram - Class 150, 300 7
9.0 Standard Maintenance for Class 150 and 300 Valves 8
9.1 Packing Replacement 8
9.2 Body seat (replaceable) Replacement 9
9.3 Disc Disc seal ring Replacement 10
9.4 Bottom Flange Gasket Replacement 11
Table 2 Torque Values for Gland Retaining Nuts 12
Table 3 Torque Values For Body seat (replaceable) Retaining Cap Screws and Disc Seal Retaining Cap Screws 12
10.0 Valve Part Diagram - Class 600, 900 13
11.0 Standard Maintenance For Class 600 and 900 Valves 14
11.1 Packing Replacement 14
11.2 Body seat (replaceable) Replacement 15
11.3 Disc Disc seal ring Replacement 15
11.4 Bottom Flange Gasket Replacement 16
Table 4 Torque Values for Disc Seal Ring Retaining Cap Screws 16
Table 5 Torque Values for Seat Retaining 17
Table 6 Torque Values for Gland Retaining Cap Nuts 17
Table 7 Torque Values for Bottom Flange Screws 17
12.0 Tri Lok Troubleshooting Guide 18