Features

•Available with soft seat.

•Threaded cap is standard (back pressure tight).

•Hex on valve nozzle provides for easy installation.

•Single control ring offers easy adjustability of blowdown.

•Pivoting disc design corrects misalignment and offers exceptional performance.

•Guide to nozzle ratio reduces friction.

•Full nozzle design for optimum flow performance.

•Threaded side outlet for piped off discharge to eliminate fugitive emissions.

Model Descriptions

Model 912: Full nozzle design. SS warn ring and disc with brass/bronze base. Bronze/ brass body and bonnet.

Model 913: Full nozzle design. Bronze/ brass body and bonnet. 316 SS trim (base, disc and disc holder).

Model 918: Same as Model 912 except resilient seat/seal. Superior ‘leak-free’ performance.

Model 919: Same as Model 913 except resilient seat/seal. Superior ‘leak-free’ performance. Bronze body and bonnet. 316 SS trim (base, disc and disc holder).

Kunkle Safety and Relief Products

Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927

Models 912, 913, 918 and 919 ASME Section VIII, Air/Steam/Gas/Liquid, ‘UV’ National Board Certified. Also available for Vacuum Service

Model 912

Applications

•Air/gas compressors - intercoolers - aftercoolers.

•Liquid filled pressure vessels/systems - ASME Section VIII (UV).

•Pressure vessels - containing gas, air, liquid or steam. Including tanks and receivers.

•Vacuum systems including pumps, tanks and equipment.

•Optional materials for low temperature - cryogenic applications.

•Oil/gas separators.

•Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.

•By-pass relief or pressure regulation.

Options

•Threaded cap. (Variation 01)

•Threaded cap with gag. (Variation 02)

•Plain lever. (Variation 03)

•Plain lever with gag. (Variation 04)

•Plain lever with vibration dampener. (Variation 05)

•Packed lever. (Variation 06)

•Packed lever with gag. (Variation 07)

Pressure and Temperature Limits

Models 912, 918: – Steam

3 to 250 psig [-0.2 to 17 barg]1 -320° to 406°F [-195° to 208°C]

Models 913, 919: – Steam

3 to 300 psig [-0.2 to 17 barg]1 -320° to 425°F [-195° to 219°C]

Models 912, 918: – Air/Gas/Liquid 3 to 300 psig [-0.2 to 21 barg] -320° to 406°F [-195° to 208°C]

Models 913, 919: – Air/Gas/Liquid 3 to 900 psig [-0.2 to 62 barg] -320° to 425°F [-195° to 219°C]

Vacuum – 6- through 29-inch HG

[200 through 1000 mbarg] – 300°F [149°C]

Maximum back pressure 50 psig [3 barg] - threaded cap and packed lever

Note

1.ASME standard valves for air or steam service must have lift lever. For steam boilers and generators.

Tyco reserves the right to change product design and specifications

KUKMC-0392

without notice. Copyright © 2002 by Tyco International Ltd.

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