DK-Lok check valves stop backflow in instrument, sample and process lines. Choose by pressure, cracking pressure and media:
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V33 Poppet: 3,000 psig, cracking pressures from 1/3 to 100 psig, 1/8" to 1"
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VP33 1-Piece: 3,000 psig with a blow-out-proof O-ring
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VA33 Adjustable: 3,000 psig, cracking pressure adjustable from 3 to 600 psig
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VH36 High Pressure: 6,000 psig, bonded poppet seal, NACE option
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VL36 Lift Check: 6,000 psig, all-metal seat, -65 to 900°F, for liquid service
- Bodies in 316 SS or brass
Ratings vary by size, material and end connection. Not sure which one fits your pressure, media and temperature? Call us at 310-833-3353 or email sales@abesttube.com and we'll walk through it with you.
