Wet Alarm Valves London UK: LPCB and FM Listed Wet Alarm Valves with Retard Chamber and Trim for London and South East Fire Protection Projects
ValveAtlas supplies LPCB Approved, FM Approved and UL Listed wet alarm valves to fire protection contractors, M&E subcontractors and EPC firms on London, Greater London, Canary Wharf, City of London, Croydon, Stratford, Battersea, Paddington, King’s Cross, Nine Elms and South East England projects. 7-day sea freight from Toronto HQ (or 3-day air freight on emergency), LPCB-compliant submittals, and full technical support for BS 9999 and BS EN 12845 compliance.
This page is the technical reference for London specifying engineers selecting wet alarm valves, retard chambers, trim assemblies and pressure switches on wet pipe sprinkler systems governed by Building Regulations Approved Document B, BS 9999, BS EN 12845, BS 9990, FOC Rules and LPC Sprinkler Rules.
Wet alarm valve range for London projects
| Type | SKU | End connection | Pressure class | Listings | Sizes (metric) | Typical London application |
|---|---|---|---|---|---|---|
| Wet alarm valve 21 bar | UVW-1511-300 | Grooved BS EN 10255 / AWWA C606 | 21 bar (300 psi) CWP | LPCB, FM Class 1041, UL 193 | DN50 to DN200 | Wet pipe sprinkler riser on Canary Wharf and City of London |
| Wet alarm valve 12 bar | UVW-1511-175 | Grooved BS EN 10255 / AWWA C606 | 12 bar (175 psi) CWP | LPCB, FM, UL 193 | DN50 to DN200 | Standard-height London commercial and residential |
| Retard chamber | UVW-RC-30 | 15 mm BSP / 1/2″ NPT | 21 bar CWP | LPCB/FM/UL | 30 sec retard | Water hammer suppression on London systems |
| Pressure switch BS EN 54-18 | UVW-PS-DPDT | 15 mm BSP / 1/2″ NPT | 21 bar CWP | LPCB, UL 753 | DPDT 10A 230 VAC | Waterflow alarm signal to BS EN 54 fire panel |
| Complete trim kit | UVW-TRIM | Per valve size | 21 bar CWP | LPCB/FM/UL | DN50 to DN200 | Drip cup, main drain, inspector test assembly |
Why London contractors choose ValveAtlas
LPCB Approved certification. Every UVW-series valve is LPCB Approved, meeting London Fire Brigade and insurance underwriter acceptance criteria. LPCB Red Book listing verifiable online; LPCB Certificate provided with every shipment.
BS EN 54-18 compliant pressure switch. UVW-PS-DPDT pressure switch meets BS EN 54-18 supervisory signal requirements for connection to BS EN 54-2 fire alarm control panels. DPDT 10A 230 VAC contacts accepted by London Fire Brigade and commercial insurance underwriters.
BS 9999 and BS EN 12845 submittals. ValveAtlas provides complete submittal packages with LPCB certificates, FM certificates, installation instructions, hydrostatic test records and engineer acceptance letters compatible with Building Regulations Approved Document B, BS 9999, BS EN 12845 (sprinkler systems) and BS 9990 (non-automatic firefighting systems).
7-day sea freight or 3-day air freight from Toronto. Toronto HQ warehouse consolidates UVW-1511-300 for weekly sea freight container to Southampton or Felixstowe, with Heathrow air freight available for emergency project requirements.
Code and listing acceptance for London
Building Regulations Approved Document B. Building Regulations 2010 Approved Document B (Fire Safety) Volume 2 references BS 9999 and BS EN 12845 for fire protection systems in non-dwelling buildings. LPCB Approved wet alarm valves meet listing requirements.
BS EN 12845 and LPC Sprinkler Rules. BS EN 12845 and the LPC Sprinkler Rules require LPCB Approved alarm valves on all sprinkler systems. UVW-1511-300 with integral LPCB pressure switch meets the supervision requirement.
London Fire Brigade and insurance underwriter acceptance. London Fire Brigade (LFB) Regulatory Compliance unit and commercial insurance underwriters accept LPCB Approved wet alarm valves for all London commercial, retail, high-rise residential and industrial projects.
Rail and underground transit projects. London rail and underground transit projects specify LPCB Approved wet alarm valves on station fire suppression and depot fire systems.
Approved-equal submittals
Where a specification names a specific manufacturer, we prepare an approved-equal submittal package (listing certificates, dimensional drawings and material data) for review by the engineer of record and the authority having jurisdiction.
London-specific delivery logistics
Canary Wharf and City of London. Canary Wharf and City of London commercial towers — consolidated container delivery to on-site logistics centres. Coordination with the City of London and estate management on delivery windows.
Underground rail stations. Central London station projects — specialised underground station logistics with LFB and transit-operator security clearance.
King’s Cross and Stratford. King’s Cross and Stratford regeneration projects — direct container delivery to construction logistics centres.
Nine Elms and Battersea. Nine Elms, Battersea and Vauxhall regeneration — bulk valve orders staged for multi-phase construction.
South East and M25 corridor. Slough, Reading, Croydon, Crawley, Sevenoaks, Dartford data centres and commercial — 2-day onward freight from London consolidation.
Related products for complete London sprinkler riser package
Gate valves. UV0199 OS&Y PN16 gate valve for London riser bases. See Gate Valves.
Butterfly valves. UVB-G310 LPCB grooved butterfly with integral tamper. See Butterfly Valves London.
Check valves. LPCB Approved swing check for London dry and wet riser inlet trim. See Check Valves.
Grooved couplings. UV11 rigid and UV14 flexible couplings for UVW-1511 connections. See Coupling Fittings London.
Fire pumps. LPCB Approved horizontal split case pumps for London high-rise. See Fire Pumps.
Frequently asked questions (London)
Are these wet alarm valves LPCB Approved? Yes. UVW-series wet alarm valves are LPCB Approved. LPCB Red Book listing verifiable online; LPCB Certificate provided with every shipment. LFB inspectors and commercial insurance underwriters accept at final inspection.
What documentation is required for BS 9999 / BS EN 12845 submittal? LPCB Certificate, FM Certificate (FM Class 1041), UL Certificate (UL 193), manufacturer’s installation instructions, hydrostatic test records, and engineer’s acceptance letter. ValveAtlas provides complete UK-format submittal packages with each quote.
Does the pressure switch meet BS EN 54-18? Yes. UVW-PS-DPDT pressure switch is LPCB Approved and BS EN 54-18 compliant for supervisory signal connection to BS EN 54-2 fire alarm control panels. DPDT 10A 230 VAC contacts accepted by LFB and insurance underwriters.
What is delivery time to London? Standard stock consolidates in Toronto HQ weekly for sea freight container to Southampton or Felixstowe (7 to 10 days door-to-door). Emergency orders ship Heathrow air freight in 3 days.
Contact ValveAtlas for London wet alarm valve quotation
For wet alarm valve quotations, approved-equal submittals for LFB approval, or BS 9999 / BS EN 12845 compliance packages on London, Canary Wharf, City of London, Croydon, Stratford, King’s Cross or Greater London projects, email the project specification and drawings to info@valve-atlas.com or use the contact form. Standard turnaround is 72 hours on UK projects.