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Home >> Products >> Accessories >> Check Valves

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Small, low pressure ball type valves provide an effective leak-tight check against back-up surges or flow below specific/desired opening pressures.

Type Opening Thread Bijur Part Number
Pressure Male Male
Check Valve Junction Mounted
B3003 Check Valve Junction
B3003 Check Valve Junction Pictured
15 lbs.
10 lbs.
20 lbs.
50 lbs.
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
B3003
B3363
B3251
B5146

Type Opening Thread Bijur Part Number
Pressure Female Female
Check Valve Adapter Type 2 lbs.
5 lbs.
10 lbs.
20 lbs.
50 lbs
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
5/16-24 NF
5/16-24 NF
5/16-24 NF
5/16-24 NF
5/16-24 NF
B3815
B3905
B3906
B4450
B4960

Type Opening Thread Bijur Part Number Info
Pressure
Check Valve, Flush Mounted 1/2 lb. 7/16-20 NF A3889 Use gasket A3772 for
this part

Type Opening Thread Bijur Part Number
Pressure Male Female
Pressure Relief Valve 1/2 lb.
10 lbs.
50 lbs.
130 lbs.
175 lbs.
200 lbs.
270 lbs
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/4-28 B4965
B3906
B4974
B6898
B6965
B5643
B3993

Type Opening Thread Bijur Part Number
Pressure Male Male
Pressure Relief Valve 2 lbs.
10 lbs.
1/8 NPT
1/8 NPT
1/8 NPT
5/16-24
B5892
B6091
Check Valve, Insert 2 lbs.
5 lbs.
10 lbs.
20 lbs.
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
5/16-24 NF
5/16-24 NF
5/16-24 NF
5/16-24 NF
B4301
B3454
B3874
B4023
Check Valve, Connector 1/2 lb.
2 lbs.
5 lbs.
10 lbs.
20 lbs.
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
B5290
B4052
B4942
B4943
B4944
Check Valve, 90° Connector
B3833 Check Valve
B3833 Check Valve Pictured
2 lbs.
5 lbs.
10 lbs
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
1/8 NPT
B3833
B3907
B3908