4MM OD Push to Connect Fitting in Connector 1/4 NPT Male Air Fittings Pneumatic Fitting,CEKER Tube Line Quick Hose for 3D Printer 5Packs

Type:4mm Tube Od x 1/4" NPT Thread Push to Connect Air Fittings; Body Style: Male Straight,quick and Reliable connections; Fluid Admitted: Air, Water (No Freezing) Pneumatic Fitting Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg; Applicable: Pipe PU/ PA/ PE/ PVC; Working Temperature: 0-60°C | 32～140°F Body and collar are made of Nylon 6.6, gripping ring is stainless steel, D seal and O-rings are Nitrile- corrosion resistance, ductility;The Stainless steel gripping ring ensures excellent tube retention while the D seal within the fitting provides a positive seal on the O.D. of the tube in both static and dynamic positions, due to an optimized design of the fitting cavity. All items in Pneumatic composite range are silicone free,Elliptical sleeve help to connect tube easily by manual, no special tools required,Outside (Inside where applicable) hexagonal wrench tightening. This Quick fittings are only used for industrial automatic apparatus and can not be applied on any medicinal equipment.