Square Head Plug

‘Teshi Fittings’ Square Head Plugs, meticulously engineered for a diverse range of industries, including Petroleum, Chemical, Hydraulic, Food, and beyond. With precision craftsmanship and adherence to rigorous international quality standards, our Square Head Plugs ensure reliable sealing and effortless integration within piping systems. Committed to excellence and surpassing customer expectations, Teshi Fittings delivers superior performance and durability in every fitting, providing bespoke solutions to meet unique project demands. Count on Teshi Fittings’ expertise for all your piping requirements and encounter the unparalleled quality of our Square Head Plugs.

Standard Specification of Square Head Plug

Square Head Plug DimensionsASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
Square Head Plug Size1/8″ NB TO 4″ NB
Square Head Plug TypeSocket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
DINDIN2605, DIN2615, DIN2616, DIN2617, DIN28011
EN  EN10253-1, EN10253-2
Square Head Plug Production GradesStainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel
Square Head Plug FormForged Threaded / Screwed Plug, Square Head Plug

Material & Grades of Square Head Plug

Stainless Steel Square Head PlugASTM / ASME A/SA 182 – F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.
Duplex & Super Duplex Steel Square Head PlugASTM / ASME A/SA 182 – F44, F45, F51, F53, F55, F60, F61.
Carbon Steel Square Head PlugASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C
Nickel Alloy Square Head PlugASTM / ASME SB 564 / 160 / 472 – UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600(INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3)
Alloy Steel Square Head PlugASTM A182 – F1, F5, F9, F11, F22, F91
Copper Alloy Steel Square Head PlugASTMA 105/A694/ A350 LF3/A350 LF2 – F42, F46, F52, F56, F60, F65, F70
Brass Threaded Square Head PlugBrass CA 360, CA 345 and CA 377 / SAE J530, SAE J531 and ASA

Dimension of Square Head Plug

Square Head Plug
DNNom. Pipe
Size
A
(Min)
B
(Min)
C
(Min)
61/81067.15
81/41169.55
103/813811.11
151/2141014.29
203/4161115.88
251191320.64
321-1/4211423.81
401-1/2211628.58
502221833.27
652-1/2271938.10
803282142.86
1004322563.50

Manufacturing process and features of Square Head Plug

A square head plug is a type of pipe fitting used in plumbing systems. It’s typically made of materials such as brass, stainless steel, or carbon steel. Here’s an overview of its manufacturing process and features:

Manufacturing Process:

  • Material Selection: The manufacturing process begins with selecting the appropriate material based on the application requirements. Common materials include brass, stainless steel, or carbon steel.
  • Material Preparation: The selected material is then prepared for the manufacturing process. This may involve cutting the material into the desired size and shape.
  • Machining: The machining process shapes the material into the final square head plug design. This involves processes such as turning, milling, drilling, and tapping to create the threads and square head.
  • Heat Treatment (Optional): Depending on the material and the desired properties of the square head plug, heat treatment may be applied to improve its strength, hardness, or other characteristics.
  • Surface Finishing: After machining, the square head plug may undergo surface finishing processes such as polishing, grinding, or coating to improve its appearance and corrosion resistance.
  • Quality Control: Throughout the manufacturing process, quality control measures are implemented to ensure that the square head plugs meet the required specifications and standards.

Features of Square Head Plug :

  • Square Head: The distinctive feature of a square head plug is its square-shaped head, which provides a convenient surface for tightening or loosening the plug using a wrench.
  • Threaded Ends: Square head plugs typically have threaded ends, allowing them to be easily installed into threaded pipe fittings or openings.
  • Variety of Sizes: Square head plugs are available in various sizes to accommodate different pipe diameters and thread specifications.
  • Corrosion Resistance: Depending on the material used, square head plugs can offer excellent corrosion resistance, making them suitable for use in diverse environments, including those with exposure to moisture or corrosive substances.
  • Versatility: Square head plugs are versatile fittings used in a wide range of applications, including plumbing systems, hydraulic systems, and industrial equipment.
  • Durability: Manufactured from robust materials and often designed to withstand high pressure and temperature conditions, square head plugs are durable and long-lasting.

Square head plugs offer seamless integration, leak resistance, high strength, versatility, and compliance with standards, making them essential for various piping applications.

Application Of Square Head Plug

Oil and GasSeal pipe ends in pipelines, enhancing safety and preventing leaks.
Chemical IndustryEnsure safety by sealing pipe ends, reducing the risk of leaks or contamination.
PlumbingPrevent blockages by sealing off pipe ends in plumbing systems.
Heating SystemsOptimize heat transfer and energy efficiency.
Water SupplyMaintain leak-proof connections in water supply networks.
Power PlantsEnsure efficient operation and minimize disruptions.
Paper & PulpMaintain efficiency and prevent contamination.
Food Processing:Ensure hygiene standards and prevent contamination.
Structural Pipes:Secure closures, ensuring structural integrity.
General Use/FabricationProvide versatile sealing solutions for various application

Square Head Plug Available Types

6000# Threaded Pipe Plug3000# Threaded Square Plug
Threaded Square Head PlugForged Square Head Plug NPT
Stainless Steel Square Head PlugBS 3799 Threaded Square Plug
ASTM A182 Threaded SS Square PlugDuplex Steel Threaded Square Plug
Titanium Forged Threaded Square Head PlugsInconel Threaded Square Head Plugs
High Nickel Alloy Forged Square PlugHastelloy Screwed Square Head Plug
Super Duplex Steel Screwed Square PlugCopper Nickel Threaded Square Head Plug
Carbon Steel Threaded Square Head PlugsHigh Pressure Threaded Square Head Plug

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Frequently Asked Questions

A square head plug is a type of pipe fitting used to close the end of a threaded pipe. It features a square-shaped head that allows for easy installation and removal using a wrench. Square head plugs are commonly used in various piping systems to temporarily or permanently block the flow of fluids.

Square head plugs are available in a range of sizes to match different pipe diameters. Standard sizes generally range from 1/8 inch to 4 inches, with custom sizes available upon request to meet specific needs.

Square head plugs are installed by threading them into the open end of a pipe. The square head allows for easy tightening using a wrench to create a secure seal. Installation involves cleaning the pipe threads, applying a suitable thread sealant or tape, and threading the plug into the pipe until tight.

Yes, we offer custom manufacturing solutions for square head plugs to meet specific requirements. Please contact us with your specifications, and we will work with you to produce the plugs you need.

The lead time for square head plugs depends on the complexity and volume of the order. After reviewing your specifications, we will provide an estimated lead time. We strive to deliver all projects on schedule while maintaining the highest quality standards.

Square head plugs are typically made from materials such as carbon steel, stainless steel, brass, and other metals. The choice of material depends on the specific application’s requirements, including the type of fluid, temperature, pressure, and environmental conditions.

Square head plugs are used in various industries, including oil and gas, petrochemical, plumbing, water treatment, and construction. They are essential for sealing pipe ends, performing maintenance, and testing piping systems to prevent leaks and ensure system integrity.

Square head plugs are manufactured to comply with various industry standards, such as ASME B16.14, ASME B16.11, and ASTM standards. These standards specify the dimensions, tolerances, and material requirements for square head plugs to ensure compatibility and reliability in piping systems.

Square head plugs offer several advantages, including:

  • Easy installation and removal using a wrench
  • Strong, leak-proof connections ideal for high-pressure applications
  • High strength and durability
  • Compatibility with various materials and sizes
  • Compliance with industry standards for quality and reliability