... : -40 to 360 °C4. Threaded: BSPT, BSP, NPT, DIN5. Equipment: CNC machine6. Material: CF8M/SUS 316, CF8/SUS 304, WCB/carbon ... as elbow, nut,union, tee, cross, nipple19. Attend fair: China Import and Export Exhibition Stainless steel gas pipe union(ISO9001:2008)