These 90 degree non return valves retain air inside the compressor tank. The air compressor pulls in air through the check valve to pressurise the tank. This air creates a backflow pressure against the valve, in turn closing the valve / holding pressure in the tank.

• Inlet: 1/2" copper
• Outlet: 1/2" NPT Male
• 1/8" Female thread / nut for 6mm OD hose

Highly accurate tester measures material thickness, including steel. For automotive, great for measuring piston head thickness.

• 90cm cable
• 5 mHz probe frequency
• 0.8 - 500mm range (steel)
• Up to 0.01mm resolution (1-99 mm)
• Accuracy: H<10mm, /- 0.05mm | 10-99mm /- (0.01 H/200) mm
• Next gen higher resolution