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Pipe Cap

A pipe cap, also known as an end cap or pipe end cover, is a device used to close the end of a pipe or pipeline. It is designed to provide a secure seal and protection for the pipe’s exposed end. Pipe caps play a crucial role in various industries and applications, including plumbing, oil and gas, chemical processing, water treatment, and construction.

Gnee is the leading manufacturer, exporter and supplier of pipe caps in various shapes and sizes. We can supply to you at the most competitive price. All of our fittings are extremely durable. Gnee pipe cap fittings are of excellent quality and precise in size due to our stringent quality inspection by experienced professionals. Please send your required specifications to sale@gneesteelpipe.com and we will send you our best quote.

Gnee has a large inventory of pipe caps, which allows to meet customers’ needs and deliver products on time. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.

7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging for P91 pipe as customer’s requirements

Available, welcome to consult

A) Full Service: Pre, In, After
B) 15+ Years Exp.Global Export
C) 365 Days Always Online
D) Large-scale Reserve
E) Diversified Logistics Solution


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pipe Cap Specification

Materials for pipe Cap

  • Carbon steel pipe cap material standards and grades include ASTM A 234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
  • Stainless steel pipe cap material standards and grades include ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
  • Alloy steel pipe cap material standards and grades include ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91, etc.

What Are The Features Of Pipe Caps?

One of the key advantages of pipe caps is their ability to protect pipes from external contaminants. By sealing the ends, they prevent the entry of dirt, dust, moisture, and other foreign substances that can compromise the quality and performance of the piping system. This protection is particularly crucial in industries where cleanliness and sanitation are critical, such as pharmaceuticals, food processing, and chemical manufacturing.

 In industrial environments, exposed pipe ends can pose a safety hazard, especially if they have sharp edges or protruding fittings. Pipe caps provide a protective covering that eliminates the risk of accidental injuries, ensuring the safety of workers and other personnel who come into contact with the piping system. By covering sharp edges and securing loose fittings, pipe caps mitigate potential risks and contribute to a safer working environment.

Pipe caps play a crucial role in preventing leaks in piping systems. Whether the system is pressurized or not, the caps create a secure seal that prevents fluid or gas from escaping through the open ends. This advantage is particularly significant in industries such as oil and gas, water supply, and plumbing, where leaks can result in substantial financial losses, environmental damage, and operational disruptions.

Pipe caps are designed for convenient installation and removal, allowing for easy access to the pipe ends whenever necessary. This feature is beneficial during maintenance, repair, or modification activities, as it facilitates efficient and hassle-free operations. The ability to quickly install and remove pipe caps minimizes downtime and enhances the overall productivity of the piping system.

  • Power Plants
  • Petrochemical Equipment
  • Power Plants
  • Beverage Industry
  • Storage Vessels
  • Ship Building
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Frequently Asked Questions

Gnee offers a large inventory of high-quality pipe caps in a variety of specifications. Get a free quote.

Pipe caps can be made from various materials, including metals such as stainless steel, carbon steel, aluminum, and brass, as well as plastics like PVC, CPVC, and HDPE. The choice of material depends on factors such as the application, operating conditions, and compatibility with the fluid or gas being transported.

Pipe caps come in a wide range of sizes to accommodate different pipe diameters. Common sizes are available to fit standard pipe dimensions, but custom sizes can also be manufactured to meet specific requirements.

Pipe caps are primarily used to protect the open ends of pipes from damage, contamination, and corrosion. They also provide a seal to prevent leaks and spills, aid in pipe identification, and contribute to the overall safety and integrity of piping systems.

The installation method for a pipe cap depends on its type and design. Threaded caps are screwed onto the pipe’s threads, welded caps are welded in place, socket weld caps are fitted over the pipe and welded at the joint, and compression caps are secured using compression fittings. Proper installation ensures a secure and leak-free seal.

When selecting a pipe cap, it’s important to consider factors such as the material compatibility, pressure rating, temperature range, and environmental conditions of the application. Consulting with a knowledgeable supplier or engineer can help ensure the right choice for your specific needs.

Why Choose Gnee pipe caps?
For more than 15 years, Gnee has been supplying pipe caps made of carbon steel, alloy steel or stainless steel to customers around the world. Our strength is that we can provide tee fittings in various sizes and shapes. The quality is guaranteed and the price is advantageous. Additionally, as a manufacturer, we maintain a large inventory. Not only can we provide you with specific steel pipe caps in a short time, we can also customize them for your project in a short time. Contact us now.

In addition, our high-quality pipe cap has been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the product is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of the product surface to help ensure that the quality and surface state meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements: The degree of bending and deformation is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

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Gnee can customize the size and shape for your project according to specific project needs. The custom design of the product is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length.
● The shape can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

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Purchasing Gnee’s steel product can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: Product can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Products are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Product can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in product by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel product, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that products comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of products, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of the products, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of products, such as cracks, pores, inclusions, etc.

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