Wet Alarm Valves London UK | LPCB FM Retard Chamber BS 9999 BS EN 12845 | Valve-Atlas

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	UNIVAL 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 1011, 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 per LPS 1233 (fixed firefighting systems), 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 Section 32 (fixed firefighting installations), BS EN 12845 Section 8 (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.

Direct substitution of Pegler, Viking and Tyco. UVW-1511-300 is dimensionally interchangeable with Pegler wet alarm valves, Viking J-1, Reliable Model A and Tyco AV-1-300 per grooved AWWA C606 end connection. Replace line items on London projects without redesign.

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 Section 8 and LPC Sprinkler Rules Technical Bulletin TB203 require LPCB Approved alarm valves on all sprinkler systems. UVW-1511-300 with integral LPCB pressure switch meets supervision requirement.

London Fire Brigade and insurance underwriter acceptance. London Fire Brigade (LFB) Regulatory Compliance unit and commercial insurance underwriters (FM Global, Zurich, AXA, RSA) accept LPCB Approved wet alarm valves for all London commercial, retail, high-rise residential and industrial projects.

TfL, Network Rail and Crossrail. Transport for London (Underground, Elizabeth line, Overground), Network Rail and Crossrail specify LPCB Approved wet alarm valves on station fire suppression and depot fire systems. UNIVAL UVW-series acceptance on TfL bid packages.

Pegler, Viking and Tyco substitution for London projects

Pegler wet alarm valve. Substitute UVW-1511-300 wet alarm. Same grooved end connection, same 21 bar CWP, same LPCB/FM/UL listing.

Viking J-1 wet alarm. Substitute UVW-1511-300 wet alarm.

Tyco AV-1-300 wet alarm. Substitute UVW-1511-300 wet alarm.

Reliable Model A wet alarm. Substitute UVW-1511-300 wet alarm.

Globe GL-300 wet alarm. Substitute UVW-1511-300.

London-specific delivery logistics

Canary Wharf and City of London. One Canada Square, Leadenhall, 22 Bishopsgate, Scalpel, Cheesegrater and City of London commercial towers — consolidated container delivery to on-site logistics centres. Coordination with CoL and Canary Wharf Group on delivery windows.

Crossrail and Elizabeth line. Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street, Whitechapel, Canary Wharf, Custom House stations — specialised underground station logistics with LFB/TfL security clearance.

King’s Cross and Stratford. King’s Cross regeneration, Stratford International, Olympic Park legacy, Westfield expansion — direct container delivery to construction logistics centres.

Nine Elms and Battersea. Battersea Power Station, Nine Elms regeneration, US Embassy area, Vauxhall — 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)

Is UNIVAL LPCB Approved? Yes. UNIVAL UVW-series wet alarm valves are LPCB Approved per LPS 1233. 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 (LPS 1233), FM Certificate (FM Class 1011), 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.

How do I substitute Pegler on a London project? Submit substitution letter with LPCB/FM/UL certificates, product data sheet and dimensional drawings showing UVW-1511-300 interchangeability. Engineer-of-record approval and LFB/insurance underwriter acceptance follows.

Contact ValveAtlas for London wet alarm valve quotation

For wet alarm valve quotations, Pegler, Viking or Tyco substitution 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 burakpadr@gmail.com or use the contact form. Standard turnaround is 72 hours on UK projects.