CV Series Check Valves

CV Series Check Valve Features:

 

• 316L SS body material, for improved corrosion resistance.
• All-welded design provides reliable containment of system fluid.
• Consevative panel space.
•  Noise free operations.
• Assembled and packaged in certified clean room.

 

Product Grade:

 

Grade	Non EP	EP
Surface Finish	≤10 Ra	≤5 Ra
Polishing	Machined Finish	Electropolished Finish

 

Material:

 

Body	316 L SS / 316 L SS Double Melt
Seal Ring	FPM/Neoprene
Spring	Hastelloy C-22

 

Ordering Information:

 

Material	Size	Connection	Grade
S 316L SS	4  1/4"	MFS Male Face Seal	Blank EP
D 316L SS Double Melt	8 1/2"	FFS Feale Face Seal	E  Electropolished

 

Example Ordering Number:

 

CV-S-4MFS-E

CV = Valve Series = UHP Check Valve

S = Material = 316L SS

4 = Connection Size = 1/4"

MFS = Connection Type = Male Face Seal

E = Finish Grade= Electropolished

 

Critical Specifications
Size	1/4"	3/8" & 1/2"
CV Value	0.55	0.7
Max. Working Pressure	3000psi
Nominal Reseal Pressure	4psi
Nominal Cracking Pressure	2psi
Max. Working Tempeuratur	14°F to 176°F (-10°C to 80°C)
External Leakage Allowance (He)	≤1x10-9 atm.cc/s
	Test Pressure ≤1x10-2 Torr
	Holding Time ≥ 1 min.
Particle Inspection (EP only)	No Count
	Pressure: 60-80psi N2 Gas
	Sample Volume: 1 CFM
	0.1 μm and larger