Long Weld Neck Lwn Flange- ASME B16.5, GOST
TianYuan(HK) International Limited
Shanghai, China
Last Login Date:
Jun 18, 2025
Main Products:
Forged Flange, ASME B16.5 B16.47A/B En1092-1 GOST DIN Flange, Carbon Steel Flange, Stainless Steel Flange, Copper Nickel Flange, ASTM A182 F304/L F316/L Flange, ASTM A105 A350lf2 A694 F65 F70 Flange, Welding Neck Flange, Blind Slip on Threaded Socket Weld Lap Joint
Product Description
Company Info
Basic Info.
Product Description
Long Weld Neck flanges are seamless self-reinforcing nozzles, usually used on pressure vessels, tanks, or piping systems. These come in 1/2" to 24" nominal sizes, 150#, 300#, 400#, 600#, 900#, 1500#, and 2500# pressure class, and in any length (our stocking length range is 9" to 18"). They can come with Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) facing, as well as many others.
These standard sizes follow ANSI /ASME B16.5. We can also provide Weld Stubs, Studding Outlets, Heavy Barrel (HB), and other heavier self-reinforcing nozzles in the common 1, 2, & 3 varieties.
As a long weld neck flange manufacture, we provide these products in the following common grades: SA105, SA105N (Normalized), SA350-LF2, SA182 (F11,F22, 304/304L, & 316/316L) A694 (F42, F52, F56, F60, F65,F70), among countless others.
DN15-DN3000
Maximum weight 6tons
25,000tons production annual year
ANSI B16.5,ANSI B16.47 Series A&B,ANSI B16.48,ANSI B16.36
API 605,API 16D,API 17D
BS4504,BS3293
DIN
AS
EN1092-1
GOST
EEMUA145
EN10204-3.2 byTUV,BV,Lloyds,GL,DNV,SGS,ABS,RINA,Moody or other third parties