25mm Large 2-Way Ball Valve for ASD Systems
£24.68 (inc VAT: £29.62)
Summary
The Plimat RED22P025I is a 25mm large two-way ball valve manufactured in red ABS (Acrylonitrile Butadiene Styrene), designed specifically for use in aspirating smoke detection (ASD) pipework systems. The distinctive red colouring instantly identifies the component as part of a fire safety installation, in line with standard industry practice for ASD pipework, and ensures clear visual differentiation from general pipework during maintenance and inspection.
As a double union ball valve, the RED22P025I features two separate union connections that allow the valve body to be removed from the pipeline without disturbing the surrounding pipework. This makes it particularly well suited to ASD installations where periodic maintenance, detector servicing, or system modifications may be required. The plain solvent socket ends are compatible with standard 25mm red ABS ASD pipe, creating strong, permanent, leak-free joints when bonded with ABS solvent cement.
The quarter-turn lever handle provides quick and reliable on/off isolation of air flow through the sampling pipework, enabling safe system shutdown during maintenance, pipe cleaning, or commissioning procedures. Compatible with all leading brands of low-pressure aspirating smoke detection systems — including VESDA, FAAST and ICAM — the RED22P025I is an essential component for professional ASD installations requiring a dependable isolation point within the sampling pipe network.
Features
- 25mm double union ball valve in red ABS construction
- Red colourway for immediate identification as part of an ASD fire safety system
- Double union design allows valve removal without disturbing surrounding pipework
- Plain solvent socket ends compatible with 27mm (3/4″) ASD pipe
- Quarter-turn lever handle for rapid isolation of the sampling pipe network
- Full bore design maintains unrestricted airflow through the sampling pipework
- EPDM O-ring seals provide reliable, low-pressure air-tight performance
- PTFE ball seats ensure smooth operation and long service life
- Manufactured from high-quality ABS to BS5391 Part 1
- Compatible with VESDA, FAAST, ICAM and other leading ASD system brands
- Lightweight construction simplifies installation and reduces pipe loading
- Suitable for use at the end of a sampling pipe run to allow manual pressure release during blow-cleaning
FAQ
What is the RED22P025I used for in an ASD system?
The RED22P025I is used to provide a manual isolation point within a 25mm aspirating smoke detection pipework network. It allows the system to be shut off during maintenance, detector servicing, or pipe cleaning procedures. It can also be positioned at the end of a sampling pipe run to manually release excess pressure when blow-cleaning the pipework with compressed air.
Why is the valve red?
The red colouring follows standard industry practice for aspirating smoke detection pipework, clearly identifying the component as part of a fire safety system. This allows engineers and maintenance staff to immediately distinguish ASD pipework and fittings from other services during inspection and maintenance.
What does “double union” mean?
A double union ball valve features two union connections — one on each side of the valve body. This design allows the valve to be unscrewed and removed from the pipeline without cutting the pipe or disturbing adjacent fittings, making servicing, replacement, and system modification straightforward.
What pipe does the RED22P025I connect to?
The RED22P025I is designed for use with 25mm ABS ASD pipe. The plain solvent socket ends are bonded using ABS solvent cement, creating a permanent, leak-free connection. It is compatible with the full range of 25mm Plimat red ABS ASD pipe and fittings.
Is the RED22P025I compatible with VESDA systems?
Yes. The RED22P025I is compatible with VESDA and other leading brands of low-pressure aspirating smoke detection systems, including FAAST and ICAM, as well as other ASD manufacturers that specify 25mm ABS pipework.
How does the valve operate?
The RED22P025I operates via a quarter-turn lever handle. Rotating the handle 90° opens or closes the valve, providing fast and simple on/off control of airflow through the sampling pipe network.
What standards does the ABS material comply with?
The ABS material used in Plimat RED series fittings is manufactured to BS5391 Part 1 for pipe and BS5392 Part 2 for fittings. The range is designed for use in ASD systems manufactured to EN 54 Part 20.
Specifications
- Part Number: RED22P025I
- Pipe Size: 25mm
- Valve Type: Double union two-way ball valve
- Connection Type: Plain solvent socket (imperial)
- Body Material: ABS (Acrylonitrile Butadiene Styrene)
- Colour: Red
- Seal Material: EPDM O-rings
- Seat Material: PTFE
- Operation: Quarter-turn lever handle
- Bore Type: Full bore
- Maximum Working Pressure: 15 bar
- Temperature Range: -40°C to +60°C
- Material Standard: BS5391 Part 1
- Application: Aspirating smoke detection (ASD) systems
- Compatible Systems: VESDA, FAAST, ICAM and other low-pressure ASD systems
- Country Of Origin: Portugal








