Pneumatic Connection Solutions Expert
Pneuflex is manufacturing pneumatic push in fittings, push to connect fittings, composite & brass push-in fittings, plastic & sintered silencers, brass fittings, flow control valves, quick coupling, pneumatic tubing and plastic tubing in China.

Plug nut quick coupler is made of chrome plated steel for marine applications and corrosive environments, has a plug on one end for combining with the quick coupler and a nut on the other end for connection to hose directly. Plug nut quick coupler is used to connect and extend different size air hoses in straight line. The lock nut designed to ensure the perfect tightness once the tubing is assembled and locking nuts to be tightened manually and with a spanner even in case of hard tubes. The special cone and locking nut design can protects the tubing from accidental damage. Applied to pneumatic piping as quick fitting joint, easy to connect in a quick and simple way. These quick couplers are designed for convenient connection and disconnection of pipes without other tools. The safe, easy one-hand connection and disconnection enables superior operability. This quick couplers are only used for industrial automatic apparatus and can not be applied on any medicinal equipment. Accommodate metric tubing O.D ranging from 4 mm to 16 mm, inch tube ranging from 1/8" to 1/2"; plug sizes range is from 1/8" to 1/2".

Plug Nut, Quick Couplers    Fluid Admitted Air, Oil, Water(no freezing)
   Working Pressure 0—1.0 MPa | 0—150 psi
   Negative Pressure -100 Kpa | -29.5 In Hg
   Working Temperature 0—60°C | 32~140°F
   Applicable Tube PU (Polyurethane) / PA (Nylon)
   Body Chrome Plated Steel
Tube Diameter
Code 20 30 40
Tube Diameter 8mmx5mm 10mmx6.5mm 12mmx8mm

Model Tubing (O.D x I.D)
PP-20 8mmx5mm
PP-30 10mmx6.5mm
PP-40 12mmx8mm