Bray Triple Offset - Manual (Page 4)

2 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
2.2 ATEX Directive 94/9/EC
WARNING
When using this product in hazardous environments, the
national directives and laws which apply in your country
for hazardous areas must be followed. The specifications
of the examination certificate valid in country of opera-
tion must be also observed.
2.2.1 Marking
Certificate Number: LRVL 10ATEX0003X
Certification Code:
Non-Mining Applications
0038 II 1 G c
Mining Applications
0038 I M1 c
Ambient Range: TX See Special Conditions for
Safe Use
Serial Number: As appropriate
Year of Manufacture:
Warnings:
!
1.0 Introduction
Information provided in this manual is for standard
instructions for
non-standard materials of construction, temperature
This manual covers Tri Lok valves in the following range:
Classes
150, 300, 600
and 900
3” - 48”
(80mm - 1200mm)
Wafer
Lug
Double Flange
Buttweld
The Tri Lok metal seated valve is fully rated to ASME
B16.34, and complies with API 609.
Tri Lok is torque-seated. Torque must be continually
applied by an actuation device (manual gearbox or power
valve actuator) to the valve stem to ensure the valve seals
against the line pressure.
!
WARNING
Do not remove or de-energize actuation devices while
the valve is under line pressure.
ISO 10497 and API 607, sixth edition standards.
The preferred direction of valve installation is with the
upstream line pressure on the stem side and the body seat
(replaceable) on the downstream side. The non-preferred
direction of valve installation is with the upstream line
pressure on the body seat (replaceable) side and the stem
on the downstream side.
on the valve nameplate.
2.0 Safety Information
2.1 Definition of Terms
WARNING
indicates a potentially hazardous
situation which, if not avoided,
could result in death or serious in-
jury.
CAUTION
indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury.
NOTICE
used without the safety alert symbol
indicates a potential situation
which, if not avoided, may result
in an undesirable result or state,
including property damage.
!
!