Ball check valve Body: stainless steel AISI 316. Ball: aluminium +NBR. Gas threaded ends, PN 16. Temp.: 0ºC +90ºC.Reference: 2417 Valve Technical Sheet Installation Manual Consult product Reference Size Minimum purchase unit Weight (Kg) Box / carton 2417 07BALL CHECK VALVE 1 1/4"11.11/8 2417 08BALL CHECK VALVE 1 1/2"11.151/12 2417 09BALL CHECK VALVE 2"11.61/8