Why use Long Weld Neck Flanges?
Long Weld Neck Flanges are implemented for pressure vessels connection to a piece of pipe. It consists of a long narrow hub that assisting in fortification and resists high temperature and pressure effects. These flanges are welded at the pipe finish after matching the bore’s inside diameter with the pipe’s outside diameter. These are mainly recommended in place of Weld Neck Flanges.
Long Weld Neck Flanges are stress reduction flanges as they transfer high pressure produced stress to the pipe, which passes a flow of liquid. These flanges can withstand extreme conditions and are used in critical applications. These flanges increase pipe thickness from weld to flange face, and thus high-pressure stress internally created is reduced by passing to the pipe. Thus, higher pressures are unable to affect the strength of the flange as stress is passed to the connected pipe. Also, the wide elevated temperature range is suitable for working these flanges. These are also recommended for subzero temperatures applications. We recommend these flanges for conditions like:
- Higher Pressure
- High Temperatures
- Subzero Temperatures
- Variations In pressure and heat
EN 1092-1 Long Weld Neck FLANGES, SUPPLIER OF HASTELLOY Long Weld Neck FLANGES, JIS B2220/B2291 Long Weld Neck STOCKHOLDER, Long Weld Neck FLANGES SUPPLIER IN INDIA, DUPLEX STEEL Long Weld Neck FLANGES EXPORTER, TITANIUM ALLOY Long Weld Neck FLANGE BEST PRICE, INCONEL Long Weld Neck Forged Flanges IN INDIA, LONG WELD NECK FLANGES STOCKIST, LONG WELD NECK FLANGES SUPPLIER, MONEL ASME B16.47 SERIES A AND B Long Weld Neck FLANGES DEALER.
Where to use Long Weld Neck Flanges?
Impulsive and Unsafe Fluid Process also uses these flanges without affecting the functionality of the flanges. Higher temperatures are unable to affect these flanges as they are capable of stress handling due to long neck structure as well as toughness. These are used in water mains and industrial piping networks. These flanges appreciably work in expansion bends. Also, it is useful in reducing pipe sizes due to long necks.
Applications:
- Chemical factory
- Petroleum Industry
- Oil and gas Industry
- Fabrication Industry
Specification of Long Weld Neck Flanges
- Size : 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
- Dimensions : ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS SP44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
- Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
- DIN : DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673
- BS : BS 4504, BS 4504, BS 1560, BS 10
- Pressure : PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
- JIS : JIS B2220, JIS B2221, 5K, 10K, 16K, 20K, 30K, 40K, 63K
- Connect Type/ Flange Face Type : Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Small Male-Female (SMF)
Long Weld Neck Flanges Material & Grades
Stainless Steel Long Weld Neck Flanges :
ASTM A182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, SMO 254
Duplex & Super Duplex Steel Long Weld Neck Flanges :
ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 / Duplex 2205 – UNS S31803, UNS S32205 / Super Duplex 2507 – UNS S32750, UNS S32760
Hastelloy Long Weld Neck Flanges :
ASTM B/SB564, Hastelloy B2 – UNS No. N10665, Hastelloy B3 – UNS No. N010675, Hastelloy C4 – UNS No. N06455, Hastelloy C22 – UNS No. N06022, Hastelloy C276 – UNS No. N10276, Hastelloy C2000 – UNS No. N06200, Hastelloy X – UNS No. N06002
Inconel Long Weld Neck Flanges : ASTM B564, Inconel 600 – UNS No. N06600, Inconel 601 – UNS No. N06601, Inconel 625 -UNS No. N06625, Inconel 715, Inconel 718 – UNS No. N07718, Incoloy 800 / 800H /800HT – (UNS No. N08800 / N08810 / N08811), Incoloy 825 – UNS No. N08825, Incoloy 925 – UNS No. N09925
Monel Long Weld Neck Flanges :
ASME SB 564, Monel 400 – UNS No. N04400, Monel K500 – UNS No. N05500
Nickel Long Weld Neck Flanges : Nickel 200 – UNS No. N02200 , Nickel 201 – UNS No. N02201
Titanium Long Weld Neck Flanges :
ASTM B381 / ASME SB381, Grade 2 – UNS No. R50400, Grade 5 – UNS No. R56400
Alloy 20 Long Weld Neck Flanges :
ASTM B462 / ASME SB462, Grade 2 – UNS No. N08020
ANSI/ASME Long Weld Neck Flanges
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EN/PED Long Weld Neck Flanges
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BS Long Weld Neck Flanges
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JIS Long Weld Neck Flanges
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Flange Standard
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Contact us to get a quick quote for your requirement.
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