PVC Plastic Pipe Fittings Bsp 1 2" ~ 4" Female Threaded Coupling Adapter Socket

No reviews

Price:
Sale price$3.39 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact BLIK Diners Club Discover EPS Google Pay iDEAL Wero JCB Maestro Mastercard Multibanco MobilePay PayPal Przelewy24 Shop Pay Twint Union Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

PVC Female Threaded Coupling Adapter Socket — Reliable BSP Thread Connection for Plastic Pipe Systems

When a plumbing run needs to transition from a plain-end PVC pipe to a BSP-threaded fitting, valve, or appliance, a mismatched adapter is the fastest way to create a leak. Plumbers, irrigation contractors, and DIY homeowners who work with PVC pipe systems need a coupling adapter that seals cleanly on both ends — solvent-weld on the pipe side, female BSP thread on the fitting side.

These PVC female threaded coupling adapter sockets combine a solvent-weld socket body with a moulded BSP female thread. Available in inner diameters from 20 mm (½") up to 110 mm (4"), with standard-size and reducer configurations. Colour options — White, Blue, and Grey — allow colour-coding by system or fluid type. Wall thickness is proportional to pipe class and varies by size.

Typical applications include connecting PVC cold-water supply lines to threaded ball valves or gate valves, joining irrigation mainlines to threaded filter housings, and adapting PVC drainage runs to threaded inspection ports or cleanout plugs. The female BSP thread also accepts standard threaded pressure gauges and flow meters in monitoring installations.

🔗 Compatibility: Fits standard PVC pipe (Class C / PN10 or equivalent) in matching nominal sizes. BSP female thread conforms to BS EN ISO 228-1. Solvent-weld socket requires PVC solvent cement (not included). Not suitable for hot-water or steam service.

✅ Key Features of These PVC Female Threaded Coupling Adapter Sockets

  • 🔩BSP Female Thread — Moulded-in BSP (British Standard Pipe) female thread on one end accepts standard threaded fittings, valves, and instruments without additional adapters.
  • 🔧Solvent-Weld Socket End — Plain socket end bonds permanently to PVC pipe using standard solvent cement, creating a joint that is as strong as the pipe itself.
  • 📐Wide Size Range — Available from 20 mm (½") through 110 mm (4") in straight configurations, plus reducer variants (e.g. 25 mm × ½", 32 mm × ¾", 50 mm × ¾") for step-down connections.
  • 🎨Three Colour Options — White, Blue, and Grey bodies allow visual identification of different pipe circuits (potable water, irrigation, drainage) within the same installation.
  • 🛡️Corrosion-Free PVC Construction — PVC does not rust, scale, or corrode in contact with water, soil, or common chemical solutions, making it suitable for buried and exposed installations.
  • 📦Flexible Pack Quantities — Order 1, 2, 5, or 10 pieces per variant to match project scale, from single-point repairs to multi-outlet irrigation manifolds.

📐 Technical Specifications — PVC Female Threaded Coupling Adapter Socket

Material PVC (Polyvinyl Chloride)
Thread Standard BSP (British Standard Pipe) — Female
Pipe Connection Solvent-weld socket (plain end)
Inner Diameter Range 20 mm (½") — 110 mm (4")
Reducer Sizes Available 25 mm × ½", 32 mm × ½", 32 mm × ¾", 50 mm × ¾"
Colour Options White, Blue, Grey (straight); White Reducer, Blue Reducer, Grey Reducer
Wall Thickness See variant options
Pressure Rating See variant options
Temperature Range 0 °C – 60 °C (32 °F – 140 °F) — cold water service only
Pack Quantities 1 / 2 / 5 / 10 pcs
Compliance BS EN ISO 228-1 (BSP thread profile)

❓ Frequently Asked Questions

How do I choose the correct size adapter socket?

Match the Inner Diameter option to your existing PVC pipe's nominal outside diameter (e.g. select 25 mm for ¾" nominal pipe). For reducer variants, the first dimension is the pipe socket size and the second is the BSP thread size — for example, "32 mm × ½"" means a 32 mm solvent socket that reduces to a ½" BSP female thread.

What is the difference between the straight sizes and the reducer variants?

Straight sizes (White / Blue / Grey) have a solvent socket and a BSP female thread of the same nominal diameter — for example, a 25 mm socket with a ¾" BSP thread. Reducer variants (White Reducer / Blue Reducer / Grey Reducer) have a larger solvent socket and a smaller BSP female thread, allowing you to step down from a larger pipe to a smaller threaded fitting in a single component.

Can these adapter sockets handle mains water pressure?

PVC fittings of this type are typically rated for cold-water service up to PN10 (10 bar / 145 psi) at 20 °C when properly solvent-welded. Pressure capacity decreases as temperature rises. Always verify the pressure rating for your specific size and application before installation.

Are these fittings suitable for hot water or steam?

No. These PVC adapter sockets are rated for cold-water service only (up to approximately 60 °C / 140 °F under low pressure). For hot water, steam, or high-temperature chemical service, use CPVC, PP-R, or stainless steel fittings instead.

What solvent cement should I use for the socket end?

Use a PVC solvent cement that meets the relevant standard for your region (e.g. ASTM D2564 in North America, or a BS/EN-approved PVC cement in the UK and Europe). Apply primer first if required by local code. Follow the cement manufacturer's cure time before pressurising the joint.

Do the different colours indicate different pressure ratings?

No — White, Blue, and Grey variants of the same size share the same pressure rating. The colour options are provided for visual circuit identification, allowing installers to colour-code potable water, irrigation, and drainage lines within the same system.

Can I use PTFE tape on the BSP female thread?

PTFE tape is applied to the male thread of the fitting being screwed in, not to the female thread of this socket. Wrap PTFE tape clockwise around the male thread (2–3 turns) before assembly. Do not over-tighten — PVC threads can crack under excessive torque. Hand-tight plus approximately one additional turn with a strap wrench is typically sufficient.

🛒 Select your Colour, Inner Diameter, and Quantity above, then add to cart.

You may also like

Recently viewed