Nipoflange

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Nipolet Pipe Flange Manufacturer, Supplier & Exporter | ASME/ANSI B16.5, B16.47, B16.48, BS4504, BS 10, EN 1092

A Nipolet Flange is a specialized branch connection fitting designed to provide a secure and efficient outlet from a larger pipe to a smaller branch pipe. Combining the functionality of a flange and a branch fitting into a single component, Nipolet Flanges simplify piping layouts while reducing the need for multiple fittings and complex welding operations. This design helps improve installation efficiency, minimize fabrication costs, and provide a reliable branch connection for various industrial piping systems.

Nipolet Flanges are widely used in industries such as oil & gas, petrochemicals, chemical processing, power generation, refineries, and water treatment facilities. Manufactured from premium materials including Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and other specialty alloys, these fittings offer excellent mechanical strength, corrosion resistance, and durability under high-pressure and high-temperature operating conditions. Their robust construction ensures long service life and dependable performance in demanding industrial environments.

Arrow Piping Solutions is a trusted manufacturer, supplier, and exporter of high-quality Nipolet Flanges manufactured in accordance with international standards including ASME/ANSI B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, and EN 1092. We provide Nipolet Flanges in a wide range of sizes, pressure ratings, and material grades to meet the specific requirements of industrial applications. With advanced manufacturing facilities, strict quality control procedures, competitive pricing, and timely delivery, Arrow Piping Solutions delivers reliable piping solutions to customers across global

Nipolet Flange

Industrial Nipolet Flange, Branch Connection Flange, Flanged Nipolet, Nipolet Weld Neck, Forged Nipolet Flange, Stainless Steel Nipolet Flange, Nipolet Flange for Pipeline, High-Pressure Nipolet Flange, Forged Steel Nipolet, API Nipolet flange

ASME/ANSI B16.5 Nipoflange

SIZE RANGE

15mm (1/2" NPS ) up to 600mm ( 24" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12

STANDARDS / DIMENSION

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN

PRESSURE CLASS

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.

FLANGE FACE TYPE

FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.

CARBON STEEL

ASTM A105/A105N (SA105N), LTCS A350 LF2, A694

DUPLEX & SUPER DUPLEX

ASTM A182 / ASME SA182 - S31803, S32205, 2205, S32750, S32760, S32950, 2507.

STAINLESS STEEL

ASTM A182 F304, 304L, 304H, 316, 316L, 316H, 317, 317L, 321, 321H, 310, 310S, 347, 904L, etc.

ALLOY STEEL

ASTM A182 / SA182 - F1 / F5 / F9 / F11 / F12 / F22 / F91

MTC

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Flanges ANSI/ASME B16.5 & B16.47
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Materials

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Stainless Steel ➜ Carbon Steel ➜ Alloy Steel ➜
Weld Neck Flange Diagram

ASME B16.5 WELD NIPOFLANGE - (NPS 1/2 TO 24, CLASS 150) - DIMENSIONS & WEIGHT

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ANSI 150#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 89 140 11.2 1.0
3/4" (20) 99 145 12.7 1.5
1" (25) 108 145 14.3 2.0
1½" (40) 127 150 17.5 3.5
2" (50) 152 155 19.0 5.0
ANSI 300#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 96 140 14.3 1.0
3/4" (20) 117 150 15.8 2.0
1" (25) 124 150 17.5 2.0
1½" (40) 156 160 20.6 4.5
2" (50) 165 160 22.4 6.0
ANSI 600#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 96 150 20.6 1.0
3/4" (20) 117 155 22.1 2.0
1" (25) 124 160 23.9 2.0
1 1/2" (40) 156 165 28.7 5.0
2" (50) 165 170 31.8 7.5
ANSI 900#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 121 155 28.7 2.5
3/4" (20) 130 165 31.8 3.0
1" (25) 149 170 34.8 4.5
1 1/2" (40) 178 180 38.1 7.5
2" (50) 216 200 44.5 13.5
ANSI 1500#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 121 155 28.7 2.5
3/4" (20) 130 165 31.8 3.0
1" (25) 149 170 34.8 4.5
1 1/2" (40) 178 180 38.1 7.5
2" (50) 216 200 44.5 13.5
ANSI 2500#
Branch NB Flange OD A Overall Length B Flange THK D Weight Kg
1/2" (15) 133 170 36.6 3.5
3/4" (20) 140 175 38.1 4.0
1" (25) 159 185 41.4 6.0
1 1/2" (40) 203 205 50.8 12.5
2" (50) 235 225 57.4 21.0

Niplote Pipe Flange Standards

Nipolet pipe flanges, also known, adhere to various industry standards that ensure proper design, material specifications, and pressure ratings. Here are some key standards for nipolet pipe flanges:

1. ASME/ANSI Standards (American)

  • ASME B16.5– Pipe Flanges and Flanged Fittings (NPS 1/2" to 24").
  • ASME B16.47 – Large Diameter Steel Flanges (Series A & B, NPS 26" to 60").
  • ASME B16.36 – Orifice Flanges.
  • ASME B16.48 – Line Blanks (Spectacle, Spade, and Spacer Flanges).
  • ANSI B16.1 – Cast Iron Flanges and Flanged Fittings.
  • ANSI B16.42 – Ductile Iron Pipe Flanges and Flanged Fittings.

2. ISO Standards (International)

  • ISO 7005-1 – Steel Flanges for General Applications.
  • ISO 7005-2 – Cast Iron Flanges.
  • ISO 7005-3 – Copper Alloy Flanges.

3. EN Standards (European)

  • EN 1092-1 – Steel Flanges.
  • EN 1092-2 – Cast Iron Flanges.
  • EN 1092-3 – Copper Alloy Flanges.
  • EN 1092-4 – Aluminium Alloy Flanges.

4. DIN Standards (German)

  • DIN 2527 – Blind Flanges.
  • DIN 2576 – Slip-On Flanges (PN 10).
  • DIN 2633 – Weld Neck Flanges (PN 16).
  • DIN 2634 – Weld Neck Flanges (PN 25).
  • DIN 2635 – Weld Neck Flanges (PN 40).

5. JIS Standards (Japanese)

  • JIS B2220 – Steel Pipe Flanges.

6. GOST Standards (Russian)

  • GOST 12820 – Flat Flanges for Steel Pipe Joints.
  • GOST 12821 – Steel Welded Flanges for High-Pressure Applications.
  • GOST 33259 – Flange Connections for Industrial Equipment and Pipelines.

7. BS Standards (British)

  • BS 4504 – Circular Flanges for Pipes, Valves, and Fittings.
  • BS 10 – Specification for Flanges and Bolting.

8. API Standards (Oil & Gas)

  • API 6A – Wellhead and Christmas Tree Equipment Flanges.
  • API 605 – Large-Diameter Carbon Steel Flanges (merged into ASME B16.47 Series B).

9. AWWA Standards (Waterworks)

  • AWWA C207 – Steel Ring Flanges for Waterworks Service.

10. MSS Standards (Manufacturer's Standardization Society)

  • MSS SP-44 – Steel Pipe Flanges (merged into ASME B16.47 Series A).
  • MSS SP-51 – Flanges for Glass-Lined Equipment.

11. Material-Specific Standards (ASTM)

  • ASTM A105 – Carbon Steel Forged Flanges.
  • ASTM A182 – Alloy and Stainless Steel Forged Flanges.
  • ASTM A350 – Carbon and Low-Alloy Steel Flanges for Low-Temperature Service.
  • ASTM A694 – High-Strength Carbon and Alloy Steel Flanges for High-Pressure Applications.

12. Other Regional and Specialized Standards

  • KS B1511 – Korean Standard Flanges.
  • NF E29-206 – French Standard Flanges.
  • SANS 1123 – South African Standard for Steel Flanges.

Why Choose Arrow Piping Solutions For Nipolet Flanges?

Arrow Piping Solutions is a trusted manufacturer and supplier of premium-quality Nipolet Flanges, delivering reliable branch connection solutions for a wide range of industrial piping systems. Our focus on quality, precision engineering, and customer satisfaction enables us to provide products that meet the demanding requirements of modern industries.

Global Industry Presence

We supply Nipolet Flanges to customers across domestic and international markets, serving industries such as oil & gas, petrochemicals, chemical processing, power generation, water treatment, marine, and industrial manufacturing. Our products are designed to perform efficiently in diverse operating environments.

Competitive and Value-Driven Pricing

Arrow Piping Solutions offers cost-effective Nipolet Flanges without compromising on quality, durability, or performance. Our competitive pricing structure helps customers achieve reliable piping solutions while optimizing project costs.

Technical Expertise and Support

Our experienced engineering team provides professional guidance in selecting the most suitable Nipolet Flanges based on application requirements, operating conditions, and industry standards. We are committed to delivering technical assistance throughout the project lifecycle.

Customized Manufacturing Solutions

We offer customized Nipolet Flanges in a variety of sizes, material grades, pressure ratings, and specifications to meet unique project requirements. Our flexibility allows us to provide tailored solutions for specialized industrial applications.

What Is the Function of a Nipolet Flange?

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A Nipolet Flange is designed to create a branch connection from a larger pipeline to a smaller branch pipe. It provides a secure, compact, and efficient outlet while simplifying piping layouts and reducing the need for additional fittings or complex assemblies.

Which Industries Use Nipolet Flanges?

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Nipolet Flanges are widely used in industries such as oil & gas, petrochemical processing, chemical plants, power generation facilities, water treatment systems, marine applications, and industrial manufacturing sectors where reliable branch connections are essential.

What Are the Advantages of Nipolet Flanges?

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Provides a strong and secure branch connection.

Reduces installation complexity and fabrication time.

Minimizes the number of fittings required.

Saves space in compact piping systems.

Suitable for high-pressure and high-temperature applications.

AVAILABLE TYPES OF FLANGES

TONGUE AND GROOVE FLANGES

MALE AND FEMALE FLANGES

WELD NECK FLANGES

BLIND FLANGES

Orifice Flange

Socket Weld Flange / SWRF Flange