Which standards do Cangrun pipe fittings and flanges comply with?

Butt-weld fittings are produced to JIS B2311/B2312/B2313, GB/T 12459, GB/T 13401, GB/T 10752, SH/T 3408, SY/T 0609 and HG/T 21635 in ASTM/ASME A234 and A403 materials. Flanges are supplied in American series Class 150 to Class 2500 and European series PN2.5 to PN400.

What is your manufacturing size range?

Seamless fittings from 1/2 to 24 inch (DN15–DN600), welded fittings from 4 to 78 inch (DN150–DN1900) with wall thickness up to 150 mm, and weld neck flanges up to 160 inch (DN4000).

Which materials are available?

Carbon steel ASTM/ASME A234 WPB, WPC and ST37; alloy steel ST52, 12CrMo, 15CrMo, WP1–WP12, WP11–WP22, WP5, WP91 and WP911; stainless steel ASTM/ASME A403 WP304, 304L, 304H, 304LN, 304N, 316, 316L and 316Ti.

Which flange facing types can you supply?

Flat Face (FF), Raised Face (RF), Groove (G), Male/Female (MFM) and Ring Type Joint (RJ), depending on flange type and pressure class.

Which industries use your products?

Electric power, petrochemical, chemical, pharmaceutical, boiler, heating and shipbuilding projects, supplied to contractors and distributors worldwide.

How can I receive a full product catalog?

Use the Request a Catalog page or contact our export team at Bryan@crpipes.com with your product, size, schedule, material and standard requirements.

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Wholesale High Pressure Pipe End Cap Manufacturers, Supplier

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Product Description

Product Overview

Pipe caps are fittings used to seal the ends of pipes, ensuring a tight seal and preventing the ingress of impurities or leakage. They are widely used in industries such as petroleum, chemical, natural gas, shipbuilding, power generation, and construction.

Product Features

A variety of materials: Carbon steel (ASTM A234 WPB), stainless steel (304/316), alloy steel (A860 WPHY 52/60/70), etc., to meet the needs of different media.
Pressure Rating: Complies with ANSI/ASME B16.9 standards, supporting Class 150 to Class 2500.
Strong Sealing: Precision machining ensures a tight fit with pipe ends, eliminating the risk of leaks.
Corrosion Resistance: Available with galvanizing, epoxy coating, or anti-corrosion treatment for harsh environments.
Connection Methods: Butt Weld, Threaded, and Socket Weld.

Specifications

Size range: 1/2" to 48" (DN15-DN1200), custom sizes available.
Wall thickness: Sch 10/40/80/160, or custom sizes available.
Compliant standards: ASME B16.9, ASTM A234, MSS SP-75, EN 10253, etc.

Applications

Pipeline end sealing
Equipment interface protection
Temporary plugging (maintenance or testing)
High-pressure/high-temperature fluid pipelines

Why choose our Pipe Caps?

Strict quality inspection: 100% hydrostatic testing, dimensional inspection, and material quality control (MTC) certification.
Fast delivery: Standard models are in stock and urgent orders can be accommodated.
Customization: Special materials, sizes, and surface treatments are available.

Customized Services

We understand that different customers may have unique requirements for pipe caps in their piping system projects, so we offer professional customization services. Whether you require pipe caps with special materials, sizes, or shapes, or require corrosion protection, thermal insulation, or special coatings to withstand extreme environments or special media, our dedicated team can customize the design and production based on your specific requirements, ensuring you receive the caps that best meet your project needs. We will collaborate with you throughout the entire process, from design development to product delivery, ensuring every step is carefully controlled to ensure the quality and performance of your customized products meet your expectations.

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Frequently Asked Questions (FAQ)

What materials are available for your pipe caps?

We offer a wide range of materials including carbon steel (ASTM A234 WPB), stainless steel (304/316), and alloy steel (A860 WPHY 52/60/70) to meet the requirements of different operating media and environments.

What pressure ratings do your pipe caps support?

Our pipe caps comply fully with ANSI/ASME B16.9 standards, supporting pressure ratings from Class 150 up to Class 2500.

What size ranges and wall thicknesses are supplied?

Standard sizes range from 1/2" to 48" (DN15-DN1200) with wall thicknesses spanning Sch 10, Sch 40, Sch 80, and Sch 160. Custom dimensions are also available upon request.

What connection types can I choose from?

We manufacture pipe caps with Butt Weld, Threaded, and Socket Weld connection methods to integrate seamlessly into your piping configurations.

How do you ensure the quality of the pipe caps?

Every product undergoes strict quality control, including 100% hydrostatic testing, precise dimensional inspection, and full Material Test Certificate (MTC) certification.

Do you offer customization for extreme environments?

Yes. We provide complete customization services for special shapes, non-standard sizes, anti-corrosion treatments (galvanizing, epoxy coating), thermal insulation, and tailored coatings for harsh environments.