Bleed Ring Flange

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Drip Ring Flange & Vent Ring Flange Manufacturer, Supplier & Exporter

Drip Rings, Vent Rings, and Bleed Rings are specialized piping components designed to facilitate the safe venting, draining, and bleeding of fluids from pipeline systems. These rings are typically installed between flanged connections and feature tapped holes that allow controlled release of trapped gases, liquids, or pressure within the system. They play a crucial role in improving operational safety, simplifying maintenance procedures, and supporting accurate pressure monitoring in industrial piping networks.

Drip Rings and Vent Rings are widely used in industries such as oil & gas, petrochemical processing, chemical plants, refineries, power generation, water treatment facilities, and other process industries. Manufactured from high-quality materials including Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and specialty alloys, these components offer excellent corrosion resistance, mechanical strength, and long-term durability. Their robust construction makes them suitable for high-pressure and high-temperature operating environments.

Arrow Piping Solutions is a trusted manufacturer, supplier, and exporter of premium-quality Drip Rings, Vent Rings, and Bleed Rings engineered to meet international standards and customer specifications. We offer these products in a wide range of sizes, material grades, thicknesses, and tapping configurations to suit diverse industrial applications. With advanced manufacturing capabilities, stringent quality control procedures, competitive pricing, and timely delivery, Arrow Piping Solutions delivers reliable piping solutions to customers across domestic and global markets.

Bleed Drip Flanges

Flange bleed ring, Drip ring fitting, Stainless steel, Carbon steel, Alloy Steel bleed ring, Pipeline bleed ring, High-pressure bleed ring, Bleed ring with tapping holes, Flanged bleed ring, Vent and drain flange ring, Bleed ring for oil and gas, petrochemicals

ASME/ANSI B16.5 Vent Ring Flange

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

Weld Neck Flange Diagram

BLEED RING FLANGE - (NPS 1 TO NPS 12) - DIMENSIONS

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NPS ID OD by Pressure Class
150 300 600 900 1500
1 28.6 63.5 69.9 69.9 76.2 76.2
41.3 82.6 92.1 92.1 95.3 95.3
2 54 101.6 108 108 139.7 139.7
63.5 120.7 127 127 161.9 161.9
3 79.4 133.4 146.1 146.1 165.1 171.5
4 104.8 171.5 177.8 190.5 203.2 206.4
6 155.6 219.1 247.7 263.5 285.8 279.4
8 203.2 276.2 304.8 317.5 355.6 349.3
10 257.2 336.6 358.8 396.9 431.8 431.8
12 304.8 406.4 419.1 450.9 492.1 514.4

BLEED RING RF RTJ FLANGE- DIMENSIONS

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Drip Ring Flange Standards

Drip ring flanges are designed and manufactured to comply with various international standards to ensure high-quality performance and compatibility with piping systems. Common standards for drip ring flanges include:

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 Bleed Ring Flanges?

Arrow Piping Solutions is a trusted manufacturer and supplier of premium-quality Bleed Ring Flanges, Drip Ring Flanges, and Vent Ring Flanges designed to enhance the safety, efficiency, and maintenance of industrial piping systems. Our dedication to quality, customization, and customer satisfaction makes us a preferred partner for industries worldwide.

Wide Material Selection

We manufacture Bleed Ring Flanges using a broad range of materials, including Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and other specialty alloys. This enables us to provide solutions suitable for diverse operating environments and application requirements.

Customized Product Solutions

Arrow Piping Solutions offers customized Bleed, Drip, and Vent Ring Flanges with various dimensions, thicknesses, tapping hole configurations, and material grades. Our tailored solutions ensure complete compatibility with specific project and industry requirements.

Trusted Industry Experience

With extensive manufacturing expertise and a strong commitment to quality, we have established a reputation for delivering precision-engineered products that meet the highest standards of performance, reliability, and durability.

Cost-Effective and Reliable Supply

We provide high-quality Bleed Ring Flanges at competitive prices while maintaining strict quality standards. Our efficient production processes and supply chain management help ensure timely delivery and exceptional value for customers.

What Is the Purpose of a Drip Ring Flange?

A Drip Ring Flangeis designed to collect and direct any leakage or condensation away from critical piping components. It helps improve operational safety and protects surrounding equipment by providing controlled drainage within the piping system.

How Is a Vent Ring Flange Used?

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A Vent Ring Flange is installed between flange connections to safely release trapped gases, vapors, or excess pressure from the pipeline. This helps maintain system safety, improve operational efficiency, and prevent pressure buildup.

Which Industries Commonly Use Bleed, Drip, and Vent Ring Flanges?

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Bleed Ring, Drip Ring, and Vent Ring Flanges are widely used in industries such as oil & gas, petrochemical processing, power generation, chemical manufacturing, water treatment, refineries, and other industrial process facilities where safe venting, draining, and pressure control are essential.

AVAILABLE TYPES OF FLANGES

TONGUE AND GROOVE FLANGES

MALE AND FEMALE FLANGES

WELD NECK FLANGES

BLIND FLANGES

Orifice Flange

Socket Weld Flange / SWRF Flange