Instruction Manual
D103580X012
January 2021
Type BM5A
Type BM5A Slam-Shut Valve
Table of Contents
Introduction .................................................................1
Specifications .............................................................2
Principle of Operation .................................................4
Transport and Handling ..............................................5
Installation ..................................................................7
Overpressure Protection .............................................8
Startup ........................................................................8
Slam-Shut Controller Adjustment ...............................9
Shutdown ....................................................................9
Maintenance ...............................................................9
Parts Ordering ........................................................... 11
Spare Parts ............................................................... 11
Parts Lists .................................................................13
Figure 1.
Type BM5A Slam-Shut Valve
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WARNING
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Tartarini™ slam-shut valve must be
installed, operated and maintained
in accordance with federal,
state and local codes, rules and
regulations and Emerson Process
Management Regulator Technologies,
Inc. (Emerson) instructions.
If the slam-shut valve vents gas or a
leak develops in the system, service
to the unit may be required. Failure
to correct trouble could result in a
hazardous condition.
Call a gas service person to service the
unit. Only a qualified person must install
or service the slam-shut valve.
Introduction
Scope of the Manual
This Instruction Manual provides instructions for
installation, startup, maintenance and spare parts
ordering for the Type BM5A slam-shut valves.
This manual also contains information for the
OS/80X Series slam-shut controller.
Product Description
The Type BM5A slam-shut valves are axial flow
type with a single seat and counterbalanced shutter.
They are designed for use in high pressure natural
gas transmission/city gate stations, large capacity
distribution systems and power plant feeds.
They provide smooth and reliable operation, tight
shutoff and long life.
