... ,copper,Bronze.. 3.Size:per customer's requirements 4.Certificate:ISO9001 Brass fittings1. Name: Brass Fittings ... per customers' need.3. Material: brass,copper,Bronze..4. Surface treatment of brass body: Surface Treat: Zn ... DIN / NPT. 7. Working temperature: From -50 º C to 150 º C 8. Suitable medium: Water, gas, oil 9. Certificate: ... /4, G3/8, G1/2, G3/4 R1/8, R1/4, R3/8, R1/2, R 3/4 N1/8, N1/4, ...