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Pilot-Operated Check Valves

In the event of a drop in pressure or a total loss of pressure. The valve locks air in the device until the pilot signal is energized.

Advantages:
Holding position, Leak testing, Backup safety, Avoid equipment crashes with flow control option.




Our valve options with with lower pilot pressure (-K18), high temp seals (-V), and low temp seals (-T40) are searchable as well as any product number.


Product Type Size Flow Available Features
11101 A4TM0M, A4TMOMPilot-Operated Check Valve 1/4 tube .5 push-on fittings
11103 A2M0M, A4M0M, A2MOM, A4MOMPilot-Operated Check Valve 1/8 & 1/4 nptf 1.2 basic models
11104 A4M0MFL, A4MOMFLPilot-Operated Check Valve 1/4 nptf 1.2 flow control
11107 A6M0M, A6MOMPilot-Operated Check Valve 3/8 nptf 1.2 basic models
11108 A6M0MFL, A6MOMFLPilot-Operated Check Valve 3/8 nptf 1.2 flow control
11111 B2M00, B2M0M, B2MFM, B4M00, B4M0M, B4MFM, B6M00, B6M0M, B6MFM, BG4M00-1, BG4M0M-1, BG4MFM-1, BG6M00, BG6M0M, BG6MFM, B2MOO, B2MOM, B4MOO, B4MOM, B6MOO, B6MOM, BG4MOO-1, BG4MOM-1, BG6MOO, BG6MOMPilot-Operated Check Valve 1/8, 1/4, 3/8 nptf & 1/4, 3/8 bspp 1.7 to 2.6 basic models
11112 B4M00FL, B4M0MFL, B4MFMFL, B6M00FL, B6M0MFL, B6MFMFL, BG4M00FL-1, BG4M0MFL-1, BG4MFMFL-1, BG6M00FL, BG6M0MFL, BG6MFMFL B4MOOFL, B4MOMFL, B6MOOFL, B6MOMFL, BG4MOOFL-1, BG4MOMFL-1, BG6MOOFL, BG6MOMFLPilot-Operated Check Valve 1/8, 1/4, 3/8 nptf & 1/4, 3/8 bspp 1.7 to 2.6 flow control
11113 B2M00AD, B2M0MAD, B2MFMAD, B4M00AD, B4M0MAD, B4MFMAD, B6M00AD, B6M0MAD, B6MFMAD, BG4M00AD-1, BG4M0MAD-1, BG4MFMAD-1, BG6M00AD, BG6M0MAD, BG6MFMAD, B2MOOAD, B2MOMAD, B4MOOAD, B4MOMAD, B6MOOAD, B6MOMAD, BG4MOOAD-1, BG4MOMAD-1, BG6MOOAD, BG6MOMADPilot-Operated Check Valve 1/8, 1/4, 3/8 nptf & 1/4, 3/8 bspp 1.7 to 2.6 adjustable pilot pressure
11114 B4100, B410M, B41FM, B6100, B610M, B61FM, B41OO, B41OM, B61OO, B61OMPilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 all ports on one side
11115 B4100AD, B410MAD, B41FMAD, B6100AD, B610MAD, B61FMAD, B41OOAD, B41OMAD, B61OOAD, B61OMADPilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 ports on one side & adj. pilot pressure
11116 B4100FL, B410MFL, B41FMFL, B6100FL, B610MFL, B61FMFL, B41OOFL, B41OMFL, B61OOFL, B61OMFL, -K18Pilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 ports on one side & flow control
11117 B4M00SS, B4M0MSS, B4MFMSS, B6M00SS, B6M0MSS, B6MFMSS, B4MOOSS, B4MOMSS, B6MOOSS, B6MOMSS, -V, -T40Pilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 316 stainless
11118 B4S00-25, B4S0M-25, B4SFM-25, B4S00-38, B4S0M-38, B4SFM-38, B4S00-50, B4S0M-50, B4SFM-50, B6S00-25, B6S0M-25, B6SFM-25, B6S00-38, B6S0M-38, B6SFM-38, B6S00-50, B6S0M-50, B6SFM-50, B4SOO-25, B4SOM-25, B4SOO-38, B4SOM-38, B4SOO-50, B4SOM-50, B6SOO-25, B6SOM-25, B6SOO-38, B6SOM-38, B6SOO-50, B6SOM-50, -T40, -K18 Pilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 swivel mount
11119 B4S00FL-25, B4S0MFL-25, B4SFMFL-25, B4S00FL-38, B4S0MFL-38, B4SFMFL-38, B4S00FL-50, B4S0MFL-50, B4SFMFL-50, B6S00FL-25, B6S0MFL-25, B6SFMFL-25, B6S00FL-38, B6S0MFL-38, B6SFMFL-38, B6S00FL-50, B6S0MFL-50, B6SFMFL-50, B4SOOFL-25, B4SOMFL-25, B4SOOFL-38, B4SOMFL-38, B4SOOFL-50, B4SOMFL-50, B6SOOFL-25, B6SOMFL-25, B6SOOFL-38, B6SOMFL-38, B6SOOFL-50, B6SOMFL-50, -K18 Pilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 swivel mount & flow control
11120 B4S00AD-25 B4S0MAD-25 B4SFMAD-25 B4S00AD-38 B4S0MAD-38 B4SFMAD-38 B4S00AD-50 B4S0MAD-50 B4SFMAD-50 B6S00AD-25 B6S0MAD-25 B6SFMAD-25 B6S00AD-38 B6S0MAD-38 B6SFMAD-38 B6S00AD-50 B6S0MAD-50 B6SFMAD-50 B4SOOAD-25, B4SOMAD-25, B4SOOAD-38, B4SOMAD-38, B4SOOAD-50, B4SOMAD-50, B6SOOAD-25, B6SOMAD-25, B6SOOAD-38, B6SOMAD-38, B6SOOAD-50, B6SOMAD-50 Pilot-Operated Check Valve 1/4 & 3/8 nptf 2.6 swivel mount & adj. pilot pressure
11121 B8100, B810M, B81FM, B12100, B1210M, B121FM, B81OO, B81OM, B121OO, B121OM -K18, -V, -T40 Pilot-Operated Check Valve 1/2 & 3/4 nptf 3.8 basic models
11122 B8100FL, B810MFL, B81FMFL, B12100FL, B1210MFL, B121FMFL, B81OOFL, B81OMFL, B121OOFL, B121OMFL -K18 Pilot-Operated Check Valve 1/2 & 3/4 nptf 3.8 flow control
11123 B8100AD, B810MAD, B81FMAD, B12100AD, B1210MAD, B121FMAD, B81OOAD, B81OMAD, B121OOAD, B121OMADPilot-Operated Check Valve 1/2 & 3/4 nptf 3.8 adj. pilot pressure
Product Type Size Flow Available Options



DISCONTINUED: Pilot-Operated Check Valves Products:

(If your in need of these products please contact NGT Valves)


  • A4TM00S24

    1/4 Tube Solenoid Air Pilot-Operated Locking Valves

  • A2M00S24, A4M00S24

    1/8 & 1/4 NPTF Solenoid AirPilot-Operated Locking Valves

  • A4M00FLS24

    1/4 NPTF Solenoid Air Pilot-Operated Locking Valves with Flow Controls

  • A6M00S24

    3/8 NPTF Solenoid Air Pilot-Operated Locking Valves

  • A6M00FLS24

    3/8 NPTF Solenoid Air Pilot-Operated Locking Valves with Flow Controls