Product Description

Long Weld Neck Flanges are widely used in refining industries for linking purposes. It is mainly used for applications where high pressure is main factor. This neck flanges are manufactured under the vigilance of our skilled professionals by using latest technologies in compliance with the set quality norms. Our offered neck flanges are available in different specifications which can be customized as per the needs of our valued customers. Our offered Long Weld Neck Flanges are known for their excellent durability, fine finish and corrosion resistance. 

Specification

RANGE :

(15 NB) to 60 (1500NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. available with NACE MR 01-75

SIZE :

(15NB) to 60 (1500NB)

CLASS / PRESSURE :

Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500# PN6, PN10, PN16, PN25, PN40, PN64

DIMENSION :

B16.5, BS4504, EN-1092, B16.36, B16.47, B16.48, MSS SP44

STD :

STD : ANSI Flanges, ASME Flanges, DIN Flanges, EN Flanges, BS Flanges, API, JIS, NACE etc.

FEATURES :

• Dimensional accuracy, Corrosion resistance, High efficiency, Excellent finish, Durable

Stainless Steel Long Weld Neck Flanges :

• Standard : ASTM / ASME A/SA 182
• Grade : F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L

Duplex Steel Long Weld Neck Flanges :

• Standard : ASTM / ASME A/SA 182
• Grade : F 44, F 45, F51, F 53, F 55, F 60, F 61

Aluminium Long Weld Neck Flanges :

• Standard : ASTM B247, B361.
• Grade : 2024, 6061, 6063, 6101, 7075.

Titanium Long Weld Neck Flanges :

• Standard : ASTM B381.
• Grade : Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23

Carbon Steel Long Weld Neck Flanges :

• Standard : ASTM A 105/A694/ A350 LF3/A350 LF2.
• Grade : F42/46/52/56/60/65/70

Low Temperature Carbon Steel Long Weld Neck Flanges :

• Standard : ASTM A 350 LF2 / A350 LF3

Alloy Steel Long Weld Neck Flanges :

• Standard : ASTM A182
• Grade : F1/F5/F9/F11/F22/F91

Copper Alloy Long Weld Neck Flanges :

• Standard : ASTM / ASME SB 61 / 62 / 151 / 152.
• Grade : UNS NO. C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30) C 71640

Nickel Alloy Long Weld Neck Flanges :

• Standard : ASTM / ASME SB 564 / 160 / 472
• Nickel 200 UNS N02200    Nickel 201 UNS N02201    Monel 400 UNS N04400
•  Monel K500 UNS N05500    Inconel K600 UNS N06600    Inconel 601 UNS N06601
• Inconel 625 UNS N06625    Inconel 800 UNS N08800    Inconel 800H UNS N08810
• Inconel 825 UNS N08825    Hastelloy C276 UNS N10276    Alloy 20 UNS N08020

Test Certificate :

Manufacturer Test Certificate as per EN 10204 / 3.1