Check Valve Overview

Series Body
Materials
O-Rings Operating Pressure PSIG (BARG) Cracking Pressure Temperature Range Connections
100 Aluminum
Brass
Carbon Steel
303 Stainless
316 Stainless
Buna N
Viton®
25 (1) 4″ H2O Maximum −40°F to +400°F
−40°C to +204°C
1/8″ to 3/4″
200/H200 Aluminum
Brass
Carbon Steel
303 Stainless
316 Stainless
Buna N
ethylene propylene
flourosilicone
Kalrez®
neoprene
Telfon®
Viton®
200 Series: to 3000 (207)
H200 Series: to 6000 (407)
0.1 to 25 psig
(0.007 to 1.72 bar)
−320°F to +550°F
−196°C to +288°C
1/8″ to 2″
2200 Brass
316 Stainless
Buna N
ethylene propylene
silicone
Kalrez®
neoprene
Viton®
0-800 (55) 1-3 psig
(0.07 to 0.21 bar)
−70°F to +450°F
−57°C to +232°C
1/8″ to 1″
2300 Aluminum
Brass
303 Stainless
17-4 PH Stainless
Buna N
ethylene propylene
flourosilicone
Kalrez®
neoprene
Telfon
Viton®
Aluminum 0-5000 (345)
Brass 0-500(345)
303 Stainless 0-7500 (517)
17-4 Stainess 0-10,000 (690)
0.5 to 5 psig
Depending on
O-ring material
−100°F to +400°F
−73°C to +204°C
1/8″ to 1″
C200  Aluminum
Carbon Steel
303 Stainless
316 Stainless
Buna N
Telfon®
Viton®
0-5000 (345)  

−100°F to +400°F
−73°C to +204°C

 
C2900 Brass
Carbon Steel
303 Stainless
316 Stainless
Buna N
ethylene propylene
Viton®
0-3000 (207) 0.15 to 15
(0.1 to 1)
−65°F to +300°F
−54°C to +149°C
 
400/H400 Aluminum
Brass
316 Stainless
Buna N
neoprene
Viton®
400 Series 0-3000 (207)
H400 Series 0-6000 (414)
  −320°F to +400°F
−196°C to +204°C
 


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