DK-Lok proportional relief valves open at a set pressure to protect instruments and lines, and reseat when pressure drops. Cracking pressure is field-adjustable, and springs are color-coded by range.
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V63: cracking pressure 10 to 225 psig
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V66: cracking pressure 50 to 6,000 psig, 6,000 psig maximum
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V61 Vent Relief: set 0.5 to 150 psig, 400 psig maximum, tamper-proof, male NPT 1/8" to 1"
- 316 SS bodies (V61 also in brass); DK-Lok tube or NPT ends 1/4" to 1/2"
- Need ASME-coded relief valves? See our Mercer Valve line
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.
