A Weld Neck Flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant. A Weldneck Flange consists of a circular fitting with a protruding rim around the circumference. Generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts.
Such flanges are suitable for use in hostile environments that have extremes of temperature, pressure or other sources of stress. The resilience of this type of flange is achieved by sharing the environmental stress with the pipe with which it is welded. This type of flange has been used successfully at pressures up to 5,000 psi.
The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition from flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.
Welding Flanges are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easily radiographed for flaw detection. This flange type will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).
Key Features of Weld Neck Flanges:
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|Weld Neck Flange Specification||ASTM A182 / ASME SA182 / ASTM A105 / ASME SA105 / ASTM A564 / ASME SA564 / ASTM A350 / ASME SA350 / ASTM A694 / ASME SA694 / ISO 1559-3|
|Weld Neck Flange Manufacturing Process||Hot Forging / Rolling / Machining|
|Weld Neck Flange Grades||Stainless Steel - ASME SA182 / ASTM A182 F304, ASTM A182 F304L, ASTM A182 F304H, ASTM A182 F309S, ASTM A182 F310S, ASTM A182 F316, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F316Ti, ASTM A182 F317L, ASTM A182 F321, ASTM A182 F347, ASTM A182 F904L, ASTM A182 F44 etc.
Duplex Steel - ASME SA182 / ASTM A182 F51, ASTM A182 F53, ASTM A182 F55, ASTM A182 UNS S31803, ASTM A182 UNS S32750, ASTM A182 UNS S32760 etc.
Carbon Steel - ASME SA105, ASTM A105, ASME SA105N, ASTM A105N, ASME SA350 LF2, ASTM A350 LF2, ASME SA694 / ASTM A694 F42, ASTM A694 F46, ASTM A694 F52, ASTM A694 F56, ASTM A694 F60, ASTM A694 F65, ASTM A694 F70
ISO 15590-3 L245, ISO 15590-3 L290, ISO 15590-3 L360, ISO 15590-3 L415, ISO 15590-3 L250, ISO15590-3 L285
Alloy Steel - ASME SA182 / ASTM A182 F5, ASTM A182 F9, ASTM A182 F11, ASTM A182 F22, ASTM A182 F91
Nickel Alloys - ASTM B564 / ASME SB564 UNS NO2200, ASME SB564 UNS NO2201, ASME SB564 UNS NO4400, ASME SB564 ASME SB564 UNS NO6600, UNS NO6600, ASME SB564 UNS NO6601, ASME SB564 UNS NO6625, ASME SB564 UNS NO8800, ASME SB564 UNS NO8810, ASME SB564 UNS NO8811, ASME SB564 UNS No8825, ASME SB564 UNS NO10276
|Weld Neck Flange Outer Diameter||1/2" NB TO 64" NB|
|Weld Neck Flange Pressure Class||Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or As Per Custom Requirement
PN 6, PN 10, PN 16, PN 25 and PN 40 etc
|Weld Neck Flange Schedule||Sch 10s TO Sch XXS or As Per Custom Requirement|
|Weld Neck Flange Facing||Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)|
|Weld Neck Flange Dimension||ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, D, E, F, J etc..|
|Weld Neck Flange Types||Welding Neck Flange, Slip On Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Blind Flange, Orifice Flanges, Plate Flange, Long Welding Neck Flanges, Weldoflange, Nipoflange, Expander Flange, Reducing Flange, WNRF Flange, SORF Flange, SWRF Flange, Custom Flange as per Drawing etc.|
|Weld Neck Flange Other Testing||NACE MR0175, Ultrasoung TEST, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, HIC, SSC, Sour Service etc.|
|Weld Neck Flange Value Added Services||Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized|
|Weld Neck Flange Packaging||Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps|
|Weld Neck Flange Shipment & Transportation||By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes|
|Weld Neck Flange Material Test Certificate||Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC|
Stainless Steel Weld Neck Flanges
ASME SA182 / ASTM A182 F304 Weld Neck Flanges, ASTM A182 F304L Weld Neck Flanges, ASTM A182 F304H Weld Neck Flanges, ASTM A182 F309S Weld Neck Flanges, ASTM A182 F310S Weld Neck Flanges, ASTM A182 F316 Weld Neck Flanges, ASTM A182 F316 Weld Neck Flanges, ASTM A182 F316L Weld Neck Flanges, ASTM A182 F316Ti Weld Neck Flanges, ASTM A182 F317L Weld Neck Flanges, ASTM A182 F321 Weld Neck Flanges, ASTM A182 F347 Weld Neck Flanges, ASTM A182 F904L Weld Neck Flanges, ASTM A182 F44 Weld Neck Flanges etc.
ASME SA182 / ASTM A182 F51 Weld Neck Flanges, ASTM A182 F53 Weld Neck Flanges, ASTM A182 F55 Weld Neck Flanges, ASTM A182 UNS S31803 Weld Neck Flanges, ASTM A182 UNS S32750 Weld Neck Flanges, ASTM A182 UNS S32760 Weld Neck Flanges etc.
ASME SA105, ASTM A105 Weld Neck Flanges, ASME SA105N, ASTM A105N Weld Neck Flanges, ASME SA350 LF2 Weld Neck Flanges, ASTM A350 LF2 Weld Neck Flanges, ASME SA694 / ASTM A694 F42 Weld Neck Flanges, ASTM A694 F46 Weld Neck Flanges, ASTM A694 F52 Weld Neck Flanges, ASTM A694 F56 Weld Neck Flanges, ASTM A694 F60 Weld Neck Flanges, ASTM A694 F65 Weld Neck Flanges, ASTM A694 F70 Weld Neck Flanges
ISO 15590-3 L245 Weld Neck Flanges, ISO 15590-3 L290 Weld Neck Flanges, ISO 15590-3 L360 Weld Neck Flanges, ISO 15590-3 L415 Weld Neck Flanges, ISO 15590-3 L250 Weld Neck Flanges, ISO15590-3 L285 Weld Neck Flanges
ASME SA182 / ASTM A182 F5 Weld Neck Flanges, ASTM A182 F9 Weld Neck Flanges, ASTM A182 F11 Weld Neck Flanges, ASTM A182 F22 Weld Neck Flanges, ASTM A182 F91 Weld Neck Flanges
ASTM B564 / ASME SB564 UNS NO2200 Weld Neck Flanges, ASME SB564 UNS NO2201 Weld Neck Flanges, ASME SB564 UNS NO4400 Weld Neck Flanges, ASME SB564 ASME SB564 UNS NO6600 Weld Neck Flanges, UNS NO6600 Weld Neck Flanges, ASME SB564 UNS NO6601 Weld Neck Flanges, ASME SB564 UNS NO6625 Weld Neck Flanges, ASME SB564 UNS NO8800 Weld Neck Flanges, ASME SB564 UNS NO8810 Weld Neck Flanges, ASME SB564 UNS NO8811 Weld Neck Flanges, ASME SB564 UNS No8825 Weld Neck Flanges, ASME SB564 UNS NO10276 Weld Neck Flanges
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Weld Neck Flange is Covered with Plastic Cloth and Packed in Wooden Box, Wooden Pallet and Wooden Fumigated Carrate. Our Packaging is Fully Waterproof and Safe for Transport with Proper Strips on Wooden Box, having Lifting Point.
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Savoy Piping Inc., is a well known worldwide Exporter of Weld Neck Flanges, Savoy Piping Inc., is committed to provide each and every customer with the highest standard of customer service. We deals in Weld Neck Flanges in India and Overseas, offering a wide range of Weld Neck Flanges