Malleable Iron Solid Plug Fig 291S BSPT BS EN

Malleable Iron Solid Plug Fig 291S BSPT BS EN

Product Overview

The Model Plug Fig 291S BSPTis a BS EN 10242 standard malleable iron solid Plug Fig 291S BSPT, made of malleable iron, designed for end sealing in European standard piping systems. The solid structure provides exceptional strength and pressure resistance, especially suitable for high-pressure conditions and long-term closure scenarios.

Are you looking for a reliable pipe end Plug Fig 291S BSPT that meets European standards, with high structural strength and long-lasting sealing?

This solid Plug Fig 291S BSPT is manufactured with precision casting, featuring a solid end face without hollow, ensuring stable pressure resistance, strong sealing and significantly extended service life in light and ordinary hazard piping systems.

Offered in a full range of nominal sizes, it is widely used in EU commercial buildings, factories, residential areas, hotels and BS EN standard fire systems, especially suitable for media transmission pipelines with high requirements for strength and sealing performance.

Product details

Malleable Iron Solid Plug BS EN BSPT Fig 291 Drawing

Malleable iron solid plug has male thread on one side. It is used to close the end of the pipe.

Product Features (Specifications – Plain English List)

  • Model: Plug Fig 291S BSPT
  • Material: Malleable Iron (EN-GJMB 350-10, BS EN 1562)
  • Connection: Male Thread
  • Structure: Solid (No hollow, full metal)
  • Nominal Sizes: 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, 3″, 4″ (DN15-DN100)
  • Thread Standard: BSPT (BS EN 10226-1, ISO 7-1)
  • Max Working Pressure: 25 bar (363 psi, PN25)
  • Working Temperature: -20°C ~ 120°C (-4°F ~ 248°F)
  • Surface Treatment: Hot-dip Galvanized (HDG), Black (Self-colour)
  • Certifications: CE, ISO 9001, UL Listed (Optional), FM Approved (Optional)
  • Standard: BS EN 10242 (ISO 49 equivalent)

Specifications Table (Dimensions & Parameters)

SIZE A (MM)
1/4” DN8 14
3/8” DN10 15
1/2” DN15 18
3/4” DN20 20
1” DN25 23
1-1/4” DN32 29
1-1/2” DN40 30
2” DN50 36
2-1/2” DN65 39
3” DN80 44

Product Applications

  • Intended Use: Used for end closingin BS EN standard fire sprinkler systems, water supply & drainage systems and industrial fluid pipelines; suitable for EU and export projects, including commercial buildings, industrial plants, residential areas, hotels and shopping malls; compatible with Class A fire protection piping.
  • Compatibility: Can be matched with galvanized steel pipes, malleable iron fittings, valves and meters with BSPT female threads complying with BS EN standards. The solid structure is especially suitable for high-pressure conditions and long-term closure scenarios.

Installation and Maintenance

Installation Guide

  1. Clean female pipe threads and male Plug Fig 291S BSPTthreads, remove burrs, dust and impurities.
  2. Wrap PTFE tape or apply BS EN standard liquid sealant evenly on the male threads of the Plug Fig 291S BSPT.
  3. Hold the top of the Plug Fig 291S BSPTwith a wrench and screw it into the female pipe until preliminarily tightened.
  4. Tighten steadily and symmetrically, torque meets BS EN standard requirements, avoid over-tightening to prevent cracking.
  5. After installation, conduct pipeline pressure test at 1.5 times working pressure according to BS EN standard to ensure no leakage.

Maintenance Tips

① Inspection Schedule: Visual inspection quarterly; monthly in corrosive environments, checking corrosion, deformation, thread damage and leakage.

② Cleaning Method: Wipe the surface with clean soft cloth; do not use sharp tools or strong acid/alkali solvents to damage threads and surface coating.

③ Replacement Cycle: Replace after 20–25 years of normal use (5–10 years longer than ordinary hollow Plug Fig 291S BSPTs), or immediately if thread slipping, sealing failure or serious corrosion occurs.

Related Products

  • Malleable Iron Female Elbow (BS EN)
  • Malleable Iron Female Tee (BS EN)
  • Malleable Iron Cap (BS EN)
  • Malleable Iron Reducing Bushing (BS EN)
  • Malleable Iron Taper Seat Union (BS EN)

Recommendation: Combined with EN series BS EN standard malleable iron fittings to build a complete, compliant and stable European standard fire and industrial piping system. The solid Plug Fig 291S BSPT is especially suitable for pipeline terminals under high-pressure conditions and long-term closure.

 FAQ

  • Can you supply OEM?

OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.

  • What’s the MOQ?

The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.

  • How about the order processing and lead time?

After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.

  • What quality will be ensured?

All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.

  • Can you guide the installation?

Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.

Contact Information

Sales Inquiry:
Provide contact information for sales inquiries.

Email: [email protected]

Phone: +86 13012223295

Technical Support

If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:

Email: [email protected]

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