ASTM A694 B16.47 FLANGES
Petrosan Oilfield Engineering Co. is a well-known forging and manufacturing company of High Yield carbon steel ASTM A694 / A694 Industrial heavy and large diameter Flanges in accordance with ASME/ANSI B16.47 series A and series B types.
ASTM A694, B16.47 Series A/B Flanges :
ASTM A694 flanges are forged or rolled steel pipe flanges and parts suitable for use with high-strength transmission-service and ASME B16.47 Series A and Series B flanges are steel pipe flanges used for high-pressure applications, particularly in the petrochemical and oil refining industries.
– Material: Carbon steel, high-strength low alloy steel or alloy steel.
– Grades: F42, F46, F50, F52, F56, F60, F65 and F70, based on minimum yield strength requirements.
– Dimensions: According to standard specification MSS SP44, ASME B16.47 and ASME B16.5.
– ASME B16.47 Series A: Large diameter flanges (26″ to 60″) with a bolt circle diameter and bolt holes conforming to ASME B16.47 Series A
– ASME B16.47 Series B: Small diameter flanges (1/2″ to 24″) with a bolt circle diameter and bolt holes conforming to ASME B16.47 Series B
Materials, ASME B16 47 Series Dimensions, tolerances, marking, and testing for pipe flanges are all covered by the ASME B16.47 standard. This standard also includes recommendations and requirements in the form of specifics about gaskets and fastening. These flanges come in diameters NPS 26 through NPS 60 in addition to the ASTM B16 47 Flange Pressure Ratings classes 75, 150, 300, 400, 600, and 900.
ASTM A694 Flanges Specification :
Scope:
– Covers forged or rolled steel pipe flanges, fittings, valves, and parts for high-pressure transmission service
– Includes materials, dimensions, tolerances, and testing requirements
Materials:
– Carbon steel (A694 F42, F46, F50, F52, F56, F60, F65, and F70).
– High-strength low-alloy steel (A694 F42, F46, F50, F52, F56, F60, F65, and F70).
– Alloy steel (A694 F42, F46, F50, F52, F56, F60, F65, and F70).
Dimensions:
– Flange types: Welding neck, slip-on, threaded, socket weld, lap joint, and blind.
– Flange sizes: 1/2″ to 24″ (13mm to 610mm).
– Pressure ratings: Class 75 to Class 900.
– Temperature range: -20°F to 1000°F (-29°C to 538°C).
Testing Requirements:
– Tensile strength.
– Yield strength.
– Elongation.
– Impact testing.
– Hydrostatic testing.
– Non-destructive testing (NDT).
Certification:
– Manufacturer’s certification
– Mill test reports.
– Third-party inspection.
Marking:
– Material grade.
– Size and pressure rating.
– Manufacturer’s logo.
– Heat number.
Types of ASTM A694 flanges:
ASTM A694 flanges, Forged flanges, Rolled steel flanges, High-pressure transmission service flanges, b16.47 flanges Carbon steel, b16.47 flanges High-strength low-alloy steel, b16.47 flanges Alloy steel, Welding neck flanges, Slip-on flanges, Threaded flanges, Socket weld flanges Lap joint flanges, Blind flanges, Class 75 to Class 900, Temperature range -20°F to 1000°F, Forged fittings, b16.47 flanges for Valves and parts, b16.47 flanges for Petrochemical industry, b16.47 flanges for Oil refining, b16.47 flanges for Power generation.
A fitting or connector known as a flange is used to connect two pipes, tubes, or other cylindrical items. It is a flat, circular plate or ring that joins two things and forms a tight seal. It has holes for bolts or screws.
Flanges are commonly used in:
1. Plumbing and piping systems.
2. HVAC (heating, ventilation, and air conditioning) systems.
3. Industrial processes.
4. Oil and gas pipelines.
5. Chemical processing.
6. Power generation.
Types of flanges:
1. Welding neck flange.
2. Slip-on flange.
3. Threaded flange.
4. Socket weld flange.
5. Lap joint flange.
6. Blind flange.
Flanges have several key features:
1. Bolt holes: For securing the flange to another object.
2. Gasket surface: For creating a seal between two flanges.
3. Hub: The central part of the flange that fits into a pipe or tube.
4. Outer diameter: The overall diameter of the flange.
Flanges are made from various materials, including:
1. Carbon steel.
2. Stainless steel.
3. Aluminum.
4. Copper.
5. Exotic materials (e.g., titanium, nickel alloys).
Flanges serve several purposes:
1. Connecting and disconnecting pipes or tubes
2. Creating a secure seal to prevent leaks
3. Allowing for easy maintenance and inspection
4. Providing a means to attach valves, pumps, and other equipment.
ASTM A694, B16.47 SERIES “A” FLANGES SPECIFICATION :
ASME B16.47 Series A flanges are a type of steel pipe flange used for high-pressure applications, particularly in the petrochemical and oil refining industries. Here are some key features and specifications:
Large Diameter Flanges
*Sizes: 26″ to 60″ (660mm to 1520mm)
*Bolt circle diameter and bolt holes conform to ASME B16.47 Series A
*Materials: Carbon steel, stainless steel, alloy steel, and other materials
*Pressure ratings: Class 75 to Class 900
*Temperature range: -20°F to 1000°F (-29°C to 538°C)
Key Features:
*Thicker and heavier than Series B flanges
*More bolts than Series B flanges
*Used for high-pressure and high-temperature applications
*Interchangeable with API 6A flanges
Specifications:
*ASME B16.47
*API 6A
*MSS SP44
*AWWA C207
Dimensions:
*Flange diameter
*Bolt circle diameter
*Bolt hole diameter
*Flange thickness
*Hub diameter
*Hub length
Tolerances:
*Flange diameter
*Bolt circle diameter
*Bolt hole diameter
*Flange thickness
*Hub diameter
*Hub length
Note: ASME B16.47 Series A flanges are designed for high-pressure applications and are typically used in the petrochemical and oil refining industries.
ASTM A694, B16.47 SERIES “B” FLANGES SPECIFICATION :
ASME B16.47 Series B flanges are a type of steel pipe flange used for general-purpose applications, particularly in the petrochemical and oil refining industries. Here are some key features and specifications:
Small Diameter Flanges
*Sizes: 1/2″ to 24″ (13mm to 610mm)
*Bolt circle diameter and bolt holes conform to ASME B16.47 Series B
*Materials: Carbon steel, stainless steel, alloy steel, and other materials
*Pressure ratings: Class 75 to Class 900
*Temperature range: -20°F to 1000°F (-29°C to 538°C)
Key Features:
*Lighter and thinner than Series A flanges
*Fewer bolts than Series A flanges
*Used for general-purpose applications
*Interchangeable with API 6A flanges
Specifications:
*ASME B16.47
*API 6A
*MSS SP44
*AWWA C207
Dimensions:
*Flange diameter
*Bolt circle diameter
*Bolt hole diameter
*Flange thickness
*Hub diameter
*Hub length
Tolerances:
*Flange diameter
*Bolt circle diameter
*Bolt hole diameter
*Flange thickness
*Hub diameter
*Hub length
Note: ASME B16.47 Series B flanges are designed for general-purpose applications and are typically used in the petrochemical and oil refining industries. They are lighter and thinner than Series A flanges and have fewer bolts.
A694, B16.47 Oilfield Flanges Manufacturer and suppliers.
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