Dry Pipe Valves London: LPCB Approved, FM and UL Listed Differential Dry Pipe Valves for London Unheated Spaces, Car Parks, Loading Bays and Cold Stores
ValveAtlas supplies LPCB Approved, FM Class 1020 Approved and UL 260 Listed differential dry pipe valves, air compressors, accelerators, exhausters and complete BS EN 12845 / NFPA 13 trim packages to fire protection contractors, mechanical consulting engineers and main contractors across London, Birmingham, Manchester, Leeds and Glasgow. LPCB Red Book listed stock, factory-assembled BS EN 12845 trim, Approved Document B submittals and LFB compliance documentation.
This page is the technical reference for London specifying engineers, M&E contractors and sprinkler installers selecting dry pipe valve packages (alternate wet and dry systems, dry installations) for unheated car parks, loading bays (docks), freezer warehouses, cold stores, aircraft hangars and any enclosed space subject to freezing governed by Approved Document B, BS 9999, BS EN 12845 and the LPC Rules for Automatic Sprinkler Installations.
Dry pipe valve range for London projects
| Type | SKU | Size | Max working pressure | Listings | Typical London application |
|---|---|---|---|---|---|
| Differential dry pipe valve | UVDP-6 | DN150 (6 inch) | 16 bar (250 psi) | LPCB, FM 1020, UL 260 | London car park, loading bay up to 400 sprinklers |
| Differential dry pipe valve | UVDP-8 | DN200 (8 inch) | 16 bar (250 psi) | LPCB, FM 1020, UL 260 | Cold store, distribution warehouse up to 750 sprinklers |
| Accelerator (QOD) | UVDP-ACC | DN15 NPT | 16 bar | LPCB, UL, FM | Reduces trip time under 60 seconds per BS EN 12845 |
| Exhauster (QOD) | UVDP-EXH | DN50 NPT | 16 bar | LPCB, UL, FM | Alternative QOD for rapid air exhaust on trip |
| Air maintenance device | UVDP-AMD | DN15 NPT | 16 bar | LPCB, UL Listed | Automatic air makeup per BS EN 12845 |
| Air compressor | UVDP-AC | 0.25 kW to 4 kW | 12 bar discharge | CE | Sized per BS EN 12845 (30-minute fill time) |
| Factory trim kit | UVDP-TRIM | All sizes | 16 bar | LPCB, UL, FM | Priming cup, main drain, alarm test, inspector test connection |
Why London contractors choose ValveAtlas dry pipe valves
LPCB Red Book listing. Every dry pipe valve we supply is LPCB Approved and listed in the LPCB Red Book. FM Class 1020 Approved and UL 260 Listed triple-listing. Factory certificate, LPCB certificate, FM certificate and UL certificate provided for every London shipment.
BS EN 12845 compliant trim. ValveAtlas factory-assembles dry pipe valve trim per BS EN 12845 and the LPC Rules, including priming cup, main drain, alarm test, inspector test, water and air pressure gauges, low-air and high-air supervisory switches. Plug-and-play delivery to London car park or cold store.
Air compressor and QOD matching. UVDP-AC air compressor CE-marked for UK 400V/50Hz supply, sized per BS EN 12845 to fill system to normal air pressure within 30 minutes. UVDP-ACC or UVDP-EXH QOD factory-matched to meet 60-second water delivery time per BS EN 12845.
LPCB Red Book documentation. Every shipment includes LPCB Red Book listing reference, factory trim drawing and BS EN 12845 compliance letter for LPC insurer approval.
Code and listing acceptance for London
Approved Document B. Approved Document B references BS 9999 and BS 9991 for tall buildings. BS 9999 and BS 9991 reference BS EN 12845 for sprinkler installation. Dry pipe systems required in areas subject to freezing per BS EN 12845.
BS EN 12845 dry pipe systems. BS EN 12845 requirements for general provisions, design, air pressure and acceptance testing govern London dry pipe valve installation. Our trim packages ship BS EN 12845 compliant with factory documentation.
LPC Rules for Automatic Sprinkler Installations. The LPC Rules for dry pipe and alternate wet-and-dry installations are mandatory for London insurers. UVDP-6/UVDP-8 trim packages meet LPC Rules requirements.
London Fire Brigade and LPCB acceptance. LFB final inspection and LPCB witness test reference LPCB listing and factory trim drawing. LPCB Red Book listing required for London insurance-backed sprinkler installations.
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.
Air compressor and QOD sizing for London dry pipe systems
Air compressor sizing per BS EN 12845. UVDP-AC CE-marked compressor rated to fill system within 30 minutes. London car park 400-sprinkler system requires 0.75 kW compressor; cold store 750-sprinkler system requires 2.2 kW. Factory sizing calculation provided per system volume.
Accelerator (UVDP-ACC) application. Required for dry pipe systems exceeding 1900 litres capacity per BS EN 12845. UVDP-ACC reduces water delivery time under 60 seconds by rapidly equalizing air pressure differential.
Exhauster (UVDP-EXH) alternative. UVDP-EXH provides alternative rapid air exhaust from the system side. Selected based on system volume and hydraulic layout.
Air maintenance device (UVDP-AMD). Automatic air makeup regulator maintains system air pressure per BS EN 12845. Prevents false trip and maintains LPCB Listed supervisory service.
London-specific delivery and installation logistics
Central London. Car parks under Mayfair, Westminster, City of London, Canary Wharf and Nine Elms mixed-use developments. Loading bays for retail and hotel deliveries. Factory-assembled trim kits ship ocean freight from Toronto HQ to Felixstowe or London Gateway with road transport and crane-lift coordination. Congestion Charge and ULEZ-compliant delivery scheduling.
Greater London and M25 corridor. Stratford, Wembley, Croydon, Kingston, Slough commercial and residential developments with cold store and loading bay dry pipe systems. Direct road freight from port.
UK regional cold stores. Birmingham, Manchester, Leeds, Glasgow, Edinburgh cold stores and supermarket distribution centres. Consolidated freight with LPCB Red Book documentation.
London airport aircraft hangars. Unheated aircraft hangar dry pipe systems with UVDP-8 and 2.2 kW CE-marked compressor. Airport security clearance and scheduled release windows.
Related products for complete London dry pipe package
Fire pumps. UVFP-HSC, UVFP-ES and UVFP-VIL fire pumps for London dry pipe water supply. See Fire Pumps London.
Butterfly valves. UVB-G310 grooved butterfly with integral tamper. See Butterfly Valves London.
Test and drain valves. UVT-TD-300 inspector test and main drain trim. See Test and Drain Valves London.
Steel pipe. ABP-SCH40-GALV Schedule 40 galvanized and ABP-EN10255 BS EN 10255 metric for dry pipe piping per BS EN 12845. See Steel Pipes London.
Frequently asked questions (London)
Are these dry pipe valves LPCB Red Book listed? Yes. Our dry pipe valves are LPCB Approved and listed in the LPCB Red Book. FM Class 1020 Approved and UL 260 Listed triple-listing. Factory trim drawing and LPCB/FM/UL certificates provided for every London shipment.
When do I need a dry pipe system versus wet pipe? BS EN 12845 and the LPC Rules require dry pipe systems in areas subject to freezing where ambient temperature cannot be maintained above 4 degrees C. London applications include unheated car parks, loading bays, freezer warehouses and aircraft hangars.
Do I need an accelerator or exhauster? BS EN 12845 requires QOD for dry pipe systems exceeding 1900 litres capacity to meet 60-second water delivery time. UVDP-ACC accelerator or UVDP-EXH exhauster factory-matched.
What is the delivery time to London? Factory-assembled trim kits ship 3 to 5 weeks from order. Ocean freight to Felixstowe or London Gateway adds 2 to 3 weeks. Stock UVDP-6 and UVDP-8 air freight available for 10 to 14-day urgent projects.
Contact ValveAtlas for London dry pipe valve quotation
For dry pipe valve trim quotations, approved-equal submittals for LFB approval, or factory-assembled BS EN 12845 trim packages for London, Birmingham, Manchester, Leeds, Glasgow, airport hangar or UK cold store projects, email the project hydraulic calculations, system volume, building section and sprinkler plan to info@valve-atlas.com or use the contact form. LPCB Red Book documentation provided on every quotation with UK-certified installation support.