© 2017 Kelso Technologies (USA) Inc. All Kelso Valves are Patent Protected. Detailed designs are subject to change without notice.
Kelso Technologies Inc. 1526 Texas Ave, Bonham, TX. 75418, Phone: (903) 583-9200
1.0 Introduction
The Kelso external pressure relief valve raises the bar on best available and safest
technology for the railroad transportation industry. With thousands of units in service,
our PRV has demonstrated reliable, safe, and effective with limited maintenance and
repair.
1.1 Precautions
The JS Series Pressure Relief Valves (PRVs) can be used as a safety device in
the storage and transportation of a wide variety of fluids; many of which are
hazardous materials and could cause serious injury or damage. Only personnel
which are properly qualified should install, repair, or rebuild the JS Series PRV’s.
Only certified parts from Kelso or one of its authorized representatives should be
used in the JS Series PRV’s. The JS Series PRV’s may be installed on DOT tank
cars that carry hazardous chemicals and may travel under pressure.
Read these instructions prior to performing periodic maintenance or
repairs.
1.2 Regulations
Kelso valves are used in contact with a variety of products; many of which are
hazardous. The acceptance and transportation of products are regulated by DOT
and AAR in the U.S.A and in Canada by CTC and Transport Canada.
Regulations of other governmental bodies must be complied with. All personnel
should be familiar with and follow these regulations. Nothing in these instructions
is intended to conflict with or supersede these regulations.
NOTE: Specifications are subject to change without notice.
1.3 Technical Specifications
8 Bolt PRV:
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