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CV
Vent relief valve
CV

CV

Check valve, 1/8" to 2" NPT, brass, stainless steel or carbon steel. Four cracking pressures from 0.15 to 8 Psig.

Nominal Crack Pressures
.15, 1, 3 & 8 PSIG · (0.01, 0.07, 0.21 & 0.55 bar)
Leakage
Bubble-tight to max. operating pressure. · PTFE seals may require back pressure.
Temperature Rating
-80°F to 400°F (-62°C to 204°C) · based on seal material
Maximum Operating Pressure, 1/8" – 1"
Brass & Carbon Steel 3000 PSIG (206 bar) · 303 & 316 Stainless 4500 PSIG (310 bar)

Materials

Nominal Crack Pressures.15, 1, 3 & 8 PSIG · (0.01, 0.07, 0.21 & 0.55 bar)
LeakageBubble-tight to max. operating pressure. · PTFE seals may require back pressure.
Temperature Rating-80°F to 400°F (-62°C to 204°C) · based on seal material
Maximum Operating Pressure, 1/8" – 1"Brass & Carbon Steel 3000 PSIG (206 bar) · 303 & 316 Stainless 4500 PSIG (310 bar)
Maximum Operating Pressure, 1-1/4" & 1-1/2"Brass 3000 PSIG (206 bar) · other materials: consult factory
Maximum Operating Pressure, 2"Brass 1500 PSIG (103 bar) · other materials: consult factory

Applications & Documents

Ordering

Configure your order

Select the variables exactly as they appear in the manufacturer datasheet. The full part number is assembled automatically.

1

SERIES

single select · 1 values
2

PIPE SIZE (NPT)

single select · 9 values

NPT threads per ANSI/ASME B1.20.1

3

MATERIAL CODE

single select · 4 values
4

SEAL MATERIAL

single select · 7 values

* Temperature Rating due to Neoprene static o ring For true cryogenic service, see CV-XX3 Product Offering

5

CRACK PRESSURE

single select · 4 values
Order part number
GEN

Select variables

1

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