... , planning, grinding, welding7. Thread standard: ANSI / BS / DIN / NPT. 8. Working temperature: From -50 º C to 150 º C 9. Suitable medium: Water ... /8, 1/4, 3/8, 1/2, 5/8, 3/4 Inch Connections: M5, G1/8, G1/4, G3/8, G1/2, G3/4 R1/8 ... , R1/4, R3/8 ... , R1/2, R 3/4 N1/8, N1/4, N3/8 ...