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Features & Benefits
  • Quick opening/positive closing
    Provides a wide range of adaptability
  • Large flow capacity
    The patented sealing principle effects complete leakproof closing under all pressure conditions
  • Zero leakage
    Compact, easy installation. Efficient inline piston reduces size and weight
  • Floating o-ring
    The streamlined poppet and full ports offer minimum restrictions.
Circle Seal Check Valve 200 Series
Unit of Measure
Items Circle Seal Check Valve
H232B-2PP
H200 Series High Pressure Check Valves 0 to 6000 psig
List Price QUOTE
Circle Seal Check Valve
H232B-4PP
H200 Series High Pressure Check Valves 0 to 6000 psig
List Price QUOTE
Circle Seal Check Valve
H232B-6PP
H200 Series High Pressure Check Valves 0 to 6000 psig
List Price QUOTE
Circle Seal Check Valve
H249B-2PP
H200 Series High Pressure Check Valves 0 to 6000 psig
List Price QUOTE
Circle Seal Check Valve
H259B-2PP
H200 Series High Pressure Check Valves 0 to 6000 psig
List Price QUOTE
Series N/A H200
Body Material N/A Brass
O-Ring Material N/A Viton® N/A Viton® N/A Viton® N/A Buna N N/A Buna N
Connection Size N/A 1/4 in N/A 1/2 in N/A 3/4 in N/A 1/4 in N/A 1/4 in
End Connections (Inlet/Outlet) N/A Female NPT
Operating Pressure N/A 0 to 5000 psig
Cracking Pressure N/A 0.5 to 1 psig N/A 0.5 to 1 psig N/A 0.5 to 1 psig N/A 2 to 4 psig N/A 0.5 to 1 psig
Available Cracking Pressures N/A 0.1 to 25 psi
Optional Cracking Pressures N/A
Operating Temperature N/A -20 to 400 ºF N/A -20 to 400 ºF N/A -20 to 400 ºF N/A -65 to 250 ºF N/A -65 to 275 ºF
Flow Coefficient (Cv) N/A 2.70 N/A 6.6 N/A 10.3 N/A 2.70 N/A 2.70
Proof Pressure N/A 7500 psig
Dim. A N/A 2.25 in N/A 2.93 in N/A 3.37 in N/A 2.25 in N/A 2.25 in
Dim. B N/A 1 in N/A 1.5 in N/A 1.75 in N/A 1 in N/A 1 in
Dim. C N/A N/A 1 1/2 in N/A 1 3/4 in N/A N/A
Dim. D N/A N/A 1.25 in N/A 1.50 in N/A N/A
Dim. E N/A 0.12 in N/A 0.32 in N/A 0.49 in N/A 0.12 in N/A 0.12 in
Weight N/A 0.34 lbs N/A 0.92 lbs N/A 1.41 lbs N/A 0.34 lbs N/A 0.34 lbs
Optional End Connections N/A B - Female Tube, AND10050 C - Gyrolok® Tube Fittings K - British Parallel Pipe (Male) L - British parallel pipe (female) S - British Taper Pipe (Male) T - Male tube, AS4395 (MS33656) X - British Taper Pipe (Female)