NPT Safety Quick Couplings
- Body: Al2011 anodized aluminium
- Button, shutter, and drain ring nut: Hardened and galvanized steel 11SMnPb37
- Screw: Nickel-plated brass UNI EN 12164 CW614N
- Springs: AISI 302 stainless steel
- Balls: AISI 420 stainless steel
- Seals: NBR
