User Guide
ES1045-1, IOM, 19 Series Rev. G
2
Table of Contents
Maximum Pressure/Temperature Chart........................................................2
Installation Instructions ...................................................................................2
Operating Instructions .....................................................................................2
Maintenance and Testing Instructions..........................................................2
19 Series Part Number Matrix..........................................................................2
Nameplate Information.....................................................................................2
Amendment Register........................................................................................2
IMPORTANT
Conbraco pressure relief valves are safety devices designed for the protection of lives and property. These
valves will provide years of service when properly installed and maintained. The information contained herein is
intended for use by qualified personnel to properly maintain these devices.
Serious property damage and injury or death may occur should a pressure relieving device fail to operate
correctly. Any installation, maintenance, adjustment, repair or testing should only be performed by experienced
personnel properly trained and qualified in accordance with applicable codes and standards.
When maintaining or repairing Conbraco pressure relief valves, use only original Conbraco parts to ensure safe
and reliable operation.
Contact your local Conbraco factory representative for the name of a factory authorized repair center near you.
Or visit us on the web at www.conbraco.com.
Maximum Pressure/Temperature Chart
Warning – Application must not exceed the pressure/temperature limitations below.
Series 19K 19M 19L 19S
Trim
Seat
Brass
PFA Teflon
®
Brass
Metal to Metal
Stainless Steel
PFA Teflon
®
Stainless Steel
Metal to Metal
Max. Set – Steam 250 psi (1723.7 kPa) 250 psi (1723.7 kPa) 250 psi (1723.7 kPa) 300 psi (2068.4 kPa)
Max. Set – Air/Gas 300 psi (2068.4 kPa) 300 psi (2068.4 kPa) 300 psi (2068.4 kPa) 300 psi (2068.4 kPa)
Max. Temperature 406ºF (207.8ºC) 406ºF (207.8ºC) 406ºF (207.8ºC) 422ºF (216.7ºC)






