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PG 36

Premium quality, corrosion-resistant safety valves Die stamped with ASME UV symbol Engineered for air compressor tanks and other nonfired pressure vessels and instruments.

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anon-71881
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171 views1 page

PG 36

Premium quality, corrosion-resistant safety valves Die stamped with ASME UV symbol Engineered for air compressor tanks and other nonfired pressure vessels and instruments.

Uploaded by

anon-71881
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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TOMCO Safety SERIES 1780

Valves ASME Coded


Factory Preset and Sealed These premium safety valves are manufactured under
the regulations of the National Board of Boiler and
Pressure Vessel Inspectors in accordance with section
VIII of the ASME Code covering valves for unfired
pressure vessels.
• Premium quality, corrosion-resistant safety valves
• Die stamped with ASME UV symbol
• Engineered for air compressor tanks and other non-
fired pressure vessels and instruments
• Staked closed to prevent tampering
• Pressure settings available from 40 to 200 PSIG
+/-3%
• Choice of 1/4” or 3/8” NPTF mounting threads
• Optimum high-flow discharge rates
• Operating temperatures -40°F to 350°F (-40°C to
177°C)
• Maximum installation torque: 100 lb.in.
• CRN OG-679-C
ORDERING INFORMATION

Example:

Series Code - 1780 Vent Pressure - Specify between


40 to 200 PSI

178 4 J • 190
Thread Size Seal Material
4 = 1/4 NPTF J = Silicon, -40°F to 350°F
6 = 3/8 NPTF K = Viton®, 0°F to 350°F

Examples:
1784J-160 =
1/4 NPTF Thread, Silicon Seal, 160 PSIG Vent Pressure
1786K-140 =
3/8 NPTF Thread, Viton Seal, 140 PSIG Vent Pressure

Continuing manufacturing and engineering advances may cause changes to the data shown.
36

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