ASME Section Vlll - NB Certified
for Air, Gas and Steam applications.
Sizes from 1/2” to 3”
Pressure to 250# Temperatures to 406º |
 Series
88 and 89 are Multiple Purpose Safety Valves for
steam, air or gas protection. Designed for durability, yet
an economical choice for safety and relief applications. UV
stamped; factory set and sealed. Choose for a variety of applications.
Usages:
• Over-pressure protection
• Pressure vessels
• Piping systems
• Safety relief
• Compressors and dryers
• Vacuum relief
• Pressure reducing stations
• Intercoolers and aftercoolers
• Pressured piping lines and tanks
Features:
• Adjustable tuned blow-down
• Precision lapped metal-to-metal seating.
• Stainless steel springs
• Ruggedly constructed
• Closed seal hex cap or lever* option
• Wide variety of inlet and outlet options
• Disk-guided seat provides quick, accurate
and excellent re-seating
Options:
• Stainless steel whetted trimming (seat and disk)
• Chrome plating
• Oxygen cleaning
• Female inlet
• BSPT connections
* LIFT LEVER IS REQUIRED BY
THE NATIONAL BOARD FOR STEAM SERVICES.
* 2-1/2” and 3” are not NB Certified.
* PLEASE SEE CAPACITY AND SIZE CHARTS.
 PARTS
IDENTIFICATION & MATERIALS
SERIES
88 & 89 DIMENSIONS • AIR/GAS/STEAM
Series
88 & 89 Capacities • AIR/GAS - Capacity in Cu.
Ft. Per Minute (SCFM) ASME
Series
88 Capacities• STEAM - Capacity in Pounds Per Hour
(#/Hr)
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