Janatics Pilot Operated Non-Return Valve is a one-way valve, prevents flow in the reverse direction. Will Open to allow reverse flow when a pilot pressure signal is applied to the pilot port. This is used where safety or sequencing circuits where back flow must be prevented. It is also used for stopping the cylinder in intermediate positions.

Types:

• Pilot Operated Non-Return Valve (GV21M)
  This is having a plastic housing with tube type. Another model with female thread. The non return valve and pilot side construction assembled in a metal housing with male thread. The plastic housing can be rotated for the connection requirement.
  Available Sizes:
  Suitable for tube 4, 6, 8, 10,12 with male thread R1/8, R1/4, R3/8, R1/2.
  Suitable for female thread G1/8, G1/4, G3/8, G1/2 with male thread R1/8, R1/4, R3/8, R1/2.

• Pilot Operated Non-Return Valve - Swivel Type (GV21)
  This is having a metal housing with female thread. All the parts are made by metal for sturdy construction. The total unit can swivel after fixing the male thread.
  Available Sizes:
  Suitable for female thread G1/8, G1/4, G3/8, G1/2 with male thread G1/8, G1/4, G3/8, G1/2.