Welding Neck Flange:  

Size range: DN10-4000mm

Standard:   ASTM/ASME/ANSI B16.5 and B 16.47,JIS B1503,KS B2220; DIN2631,DIN2632,DIN2633, DIN2634, DIN2635; UNI 2280,UIN 2281,UIN 2282,UIN 2283,UIN 2284,  BS STD 3293.

Material:

Carbon Steel: SA234 WPB, SA234 WPC,SA42 WPL6, SA42 WPL3, WP1. MSS-SP75 ,WPHY,WPHY 46,WPHY 52,WPHY 56,WPHY 60,WPHY 65, WPHY 70 ,DIN 1629 St37, RST37.2 St52

Stainless Steel: ASTM/ASME SA403 304,304L ,316, 316L, WP304L, 3 WP316 WP347 (H) ,WP317 (L),WP321.DIN 1.4301, 1.4306, 1.4401, 1.4571,JIS SUS304,SUS304, SUS304L, SUS316, SUS316

Alloy Steel: ASTM/ASME SA234 WP12, WP11,WP22, WP5, WP9, WP91.ASTM B361 GR.3003-6061, ASTM B366 UNS N04400,N08800, N08825 N1001-N10276-N10665, WPT2-WPT12.ASTM 182 F1, F5, F6, F7, F9, F11, F12, F22, F51. 16MnR Cr5Mo 12Cr1MoV 10CrMo910 15CrMo 12Cr2Mo1, St45.8

Pressure range:150 lbs - 2500lbs, PN 1-PN250, 0.6Mpa-32Mpa, 5k-30k;