EC4 SERIES
EXTENDED STEM CRYOGENIC SHUT-OFF VALVES MANUAL OR AUTOMATIC
0 - 400 PSIG
Our EC4 series extended stem cryogenic shut-off valves with manual or automatic options are designed for cryogenic storage tanks, transportation trailers, vacuum piping, and Point-of-Use shut-off.

FEATURES
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All Stainless Steel Construction
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Bubble Tight Shutoff
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Redundant Packing Seals
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Non-galling Stem Threads
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Self Centering Plug Seal
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Quality Investment Cast Body for High Flow Values
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Easy Inline Maintenance
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Socket Weld Ends

TECHNICAL DATA
Designed to ASME VIII D1, B16.34 & B31.3
Operating Ranges:
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Temperature: -456°F to +300°F (-273°C to +149°C)
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Max. Operating Pressure: 400 PSIG
Material of Construction:
All major structural components are 300 Series Stainless Steel
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Bonnet: Stainless Steel
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Seat: Kel-F
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Packing: Teflon or Graphite
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Redundant Seal: Vitron
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Gasket: Glass Filled Teflon

Testing:
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External Leakage: Mass spec. to 1x10-9 scc GHe/sec
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Seat Leakage: Bubble Tight to 400 PSIG
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Proof Pressure: 600 PSIG
Valve Size:
1/4" to 2" - Standard
3" and 4" - Available upon request
The EC4 is a new, upgraded version of the EC2 Valve. Most parts are interchangeable with the body assembly. Consult factory for details regarding the union bonnet size variations for 1/4" to 1" size.
Download the Product Sheet!