The 28mm x 22mm Brass Compression Straight Coupling is a flame-free, mechanical jointing solution for tight spaces or heat sensitive areas. Easy to use, this coupling connects two different size pipes together without soldering or welding.
Made from brass and to EN 1254-2, this fitting is WRAS approved and suitable for domestic, commercial and industrial applications including gas, water and compressed air.
Size – 28mm x 22mm straight coupling for equal pipe connections
Material – Brass body for long life
Pressure Ratings – Gas: 1 bar @ 30°C; Compressed air: 7 bar @ 30°C
Water Pressure Rating – Up to 25 bar (size dependent) 0–95°C
Pipe Compatibility – Copper, stainless steel, low carbon steel, plastic (with inserts)
Flame-Free Installation – Ideal for areas where heat is restricted or space is limited.
Brass Construction – Strength, durability and corrosion resistance.
WRAS Approved – Safe for potable water systems in the UK.
Versatile – Connects copper, stainless steel, low carbon steel and various plastic pipes.
EN 1254-2 Certified – Meets European standards for plumbing fittings.
Domestic and commercial water supply systems
Gas and compressed air pipelines (within limits)
Retrofit jobs or confined spaces where soldering is not possible
Quick, flame-free and WRAS-approved – the smart choice for pipework connections. Buy now for safe and easy pipework installation.
| Brand | Hamilton Gas Products Ltd |
|---|---|
| Product Type | Compression Straight Coupling |
| Connection | Compression x Compression |
| Size | 28mm Compression x 22mm Compression |
| Material | Brass |
| Finish | Brass |
| Gas Pressure Rating | 1 bar @ 30°C |
| Compressed Air Rating | 7 bar @ 30°C |
| Water Pressure Rating | 25 bar (8–15mm) @ 0–95°C |
| Pipe Compatibility | Copper, stainless steel, low carbon steel, select plastics |
| Standard/Approval | BS EN 1254-2, WRAS Approved |
| Suitable Applications | Water, heating, oil, and low-pressure gas (above ground) |
Size – 28mm x 22mm straight coupling for equal pipe connections
Material – Durable brass body for long service life
Pressure Ratings – Gas: 1 bar @ 30°C; Compressed air: 7 bar @ 30°C
Water Pressure Rating – Up to 25 bar (size dependent) from 0–95°C
Pipe Compatibility – Copper, stainless steel, low carbon steel, plastic (with inserts)
