Ansi B16.5 Class150-2500 Threaded Flanges

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Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Mainly produce flanges and forgings of various specifications. Application in piping installation, pressure vessel, equipment accessories.

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With strong technical force, advanced production technology, perfect quality inspection, and reliable after-sales service, it provides a basis for supervision and cooperation for many customers at home and abroad.

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The company Excellent Supplier of 2019 Safety production standardization certificate Quality management system certification.

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The products are mainly exported. It is exported to Europe, America and other countries and regions. The product quality is good, and the service is attentive. It is deeply appreciated and trusted by customers and users at home and abroad, and has won a high reputation. They have become one of the largest flange and forging suppliers in China.

Our Factory
Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Convenient transportation, abundant coal and power resources, fast communication and superior environment.

Advantages of Ansi B16.5 Class150-2500 Threaded Flanges

Ease of Installation:

The primary advantage of a threaded pipe flange is its ease of installation. Since it doesn’t require welding, it can be quickly screwed onto a pipe.

Flexibility:

Threaded pipe flanges provide flexibility in disassembly and reassembly. They can be easily removed and replaced. This class of flange is ideal for maintenance and repair tasks.

Leak-Proof Seal:

When used with appropriate gaskets or sealants, threaded pipe flanges can provide a reliable and leak-proof connection. This is critical in systems where avoiding leaks is essential.

Material Grade for Ansi B16.5 Class150-2500 Threaded Flanges

Material Grade	Key Features	Common Applications
Carbon Steel Threaded Flanges: ASTM A105	Strength and DurabilityCost-EffectiveModerate Corrosion Resistant	Water distributionPlant airGeneral utility services
Alloy Steel Threaded Flanges: ASTM A182 F5, F9, F11	High-Temperature ResistantCorrosion ResistantHigh-Pressure Capability	Power generationPetrochemical plantsHigh-temperature and high-pressure systems
Stainless Steel Threaded Flanges: ASTM A182 F304, F316	Exceptional Corrosion ResistanceHygienic PropertiesTemperature and Pressure Resistant	Chemical processingFood and pharmaceuticalsMarine environments
Duplex and Super Duplex Stainless Steel: ASTM A182 F51, F53	High StrengthOutstanding Corrosion ResistantExtended Service Life	Offshore engineeringPetrochemical processingMarine applications (exposure to seawater and chlorides)

Standards for Ansi B16.5 Class150-2500 Threaded Flanges

Dimensions:

ASME B16.5 provides detailed guidelines on the dimensions of threaded pipe flanges.

Pressure ratings:

The standard covers pressure classes ranging from Class 150 to Class 2500. For threaded pipe flanges, the standard outlines specific pressure ratings to ensure they are suitable for their intended applications.

Materials:

ASME B16.5 also specifies acceptable materials for threaded flanges. These typically cover a range of materials from carbon steel to stainless steel.

Dimensional Tolerances of Ansi B16.5 Class150-2500 Threaded Flanges

Outside Diameter ≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm	Inside Diameter Within Limits on Boring Gauge
Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm	Drilling Bolt Circle = 1.6 mm \| Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. \| ≥ 3 = 1.6 mm max.
Outside Diameter of Hub ≤ 12 = + 2.4 mm / - 1.6 mm \| ≥ 14 = ± 3.2 mm	Diameter of Counterbore Same as forInside Diameter
Thickness ≤ 18 = + 3.2 mm / - 0 \| ≥ 20 = + 4.8 mm / - 0	Length thru Hub ≤ 18 = + 3.2 mm / - 0.8 mm \| ≥ 20 = + 4.8 mm / - 1.6 mm

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FAQ

Q: What is ANSI Class 125 and 150 flanges?

A: 1 Class 125 flanges are made from cast iron, ANSI/ASME B16. 5 Class 150 can be made from steel or stainless and ANSI/ASME B16. 42 Class 150 is made from ductile iron. However, the bolting pattern is the same for both Class 125 and 150 so, regardless of material, they will bolt together.

Q: What is ANSI class 150 flange?

A: Class 150 flange is commonly used for low-pressure and low-temperature services such as water lines, HVAC, and general utility piping. Class 300 flange is suitable for moderate pressure and temperature industrial applications.

Q: What is the pressure rating for ANSI 150 flange?

A: Class 150. If the temperature for Class 1 150# flange is < 100 degrees Fahrenheit, the maximum pressure for flanges is 285 psi. If the temperature for Class 1 150# flange is 200 degrees Fahrenheit, the maximum pressure for flanges is 260 psi.

Q: What is the pressure for ASME B16 5 flanges?

A: The ASME B16. 5 standard provides the 7 pressure classes for flanges. These are – 2500, 1500, 900, 600, 400 (less common today), 300 and 150. Class 75 also exists in ASME B16.

We're well-known as one of the leading ansi b16.5 class150-2500 threaded flanges manufacturers and suppliers in China. If you're going to wholesale high quality ansi b16.5 class150-2500 threaded flanges with competitive price, welcome to get more information from our factory. Also, customized service is available.

Ansi B16 5 Class300 Threaded Flanges, 2 inch bsp flange, ceiling flange for threaded rod

Outside Diameter ≤ 24 = 1.6 mm \| > 24 = ± 3.2 mm	Inside Diameter Within Limits on Boring Gauge
Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm	Drilling Bolt Circle = 1.6 mm \| Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. \| ≥ 3 = 1.6 mm max.
Outside Diameter of Hub ≤ 12 = + 2.4 mm / - 1.6 mm \| ≥ 14 = ± 3.2 mm	Diameter of Counterbore Same as forInside Diameter
Thickness ≤ 18 = + 3.2 mm / - 0 \| ≥ 20 = + 4.8 mm / - 0	Length thru Hub ≤ 18 = + 3.2 mm / - 0.8 mm \| ≥ 20 = + 4.8 mm / - 1.6 mm