Weldo / Nipo Flanges

Shivshakti Forge is a trusted manufacturer, supplier, and exporter of high‑quality flanges including Stainless Steel Flanges, Inconel Flanges, Hastelloy Flanges, and Monel Flanges. Among our specialized products are Weldoflanges and Nipoflanges, which are innovative combinations of a Welding Neck Flange with a Weldolet or Nippolet, designed to provide both strength and efficient branch connections in complex piping systems. These flanges are engineered to meet international standards and are available in a wide range of sizes, pressure ratings, and materials to suit diverse industrial applications, ensuring durability, leak resistance, and reliable performance across sectors such as oil and gas, petrochemicals, power generation, and marine engineering.

Stainless Steel Weldo / Nipo Flanges:ASTM / ASME SA 182 F, 304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321,
  321H, 347, 347 H.
Carbon Steel Weldo / Nipo Flanges:ASTM / ASME A 105, ASTM / ASME A 350 LF 2.
Alloy Steel  Weldo / Nipo Flanges:ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91.
Duplex Steel Weldo / Nipo Flanges:ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.
Nickel Alloy Weldo / Nipo Flanges: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
Copper Alloy Weldo / Nipo Flanges:ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600. ASTM / ASME SB 151 UNS NO.70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30), ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.

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Shiv Shakti Forge manufactures industrial steel flanges using the finest quality raw materials and advanced production methods. Designed for durability and reliability, our flanges are widely used across numerous industries. 

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