Technical Overview & Engineering Specifications
The UK Water Industry Specifications: BS 5163, BS EN 1074 & WRAS Material Approval is an authoritative engineering and procurement specification published by Quanzhou Baoming Hardware Products Co., Ltd. (Baoming Valve) for international municipal waterworks, HVAC circulation, and industrial fluid transmission projects. Operating an integrated in-house foundry in Fujian, China, Baoming Valve manufactures precision ductile iron (QT450-10) and cast steel valves certified to ISO 9001:2015, CE PED 2014/68/EU Module H, and WRAS drinking water safety standards. Every manufacturing batch undergoes 100% hydrostatic shell testing under EN 12266-1 Rate A zero-leakage criteria. Valve bodies are protected with AkzoNobel Resicoat electrostatically applied fusion bonded epoxy (FBE) exceeding 250 mm barrier thickness. Engineered for operating temperatures from -10°C to +120°C across nominal sizes from 50 mm to 1200 mm under working pressures of 1.6 MPa and 2.5 MPa. Baoming Valve provides complete EN 10204 3.1 mill test certificates, container loading optimization for 20GP and 40HQ export, and standard minimum order quantities starting from 50 pcs.
Verified Engineering Matrix & Standards
| Specification Parameter | Standard Engineering Value | Baoming Quality Guarantee |
|---|---|---|
| Governing Codes | BS 5163-1 / BS 5163-2 / BS EN 1074 / WIS 4-52-01 | Full British Standard compliance |
| Working Pressures | PN16 (1.6 MPa) and PN25 (2.5 MPa) | Hydrostatic shell test at 2.4 to 3.75 MPa |
| Stem & Drive Configuration | BS 5163 stem cap or ISO 5210 actuator flange | Gunmetal bronze / DZR brass stem nut |
| Water Safety Approval | WRAS Approval #2203045 / BS 6920 certified | Non-toxic potable water approved |
| Supply Chain Optimization | 50 pcs minimum order / 20GP & 40HQ containerization | Direct delivery to UK port hubs |
BS 5163 Type A vs Type B Stem Thread Configurations
BS 5163 classifies ductile iron gate valves into Type A (internal stem thread / non-rising stem) and Type B (external stem thread / rising stem). For underground buried mains across UK water companies like Thames Water and Severn Trent, Type A with standard square operating cap is the undisputed benchmark.
WRAS Approval Under BS 6920 Suitability Criteria
Every non-metallic material contacting drinking water must satisfy BS 6920 odor, flavor, color, turbidity, and cytotoxicity tests. Baoming Valve holds official WRAS certification, ensuring complete project clearance without re-testing delays.
WIS 4-52-01 Polymeric Anti-Corrosion Coating
Polymeric coatings are applied electrostatically to preheated castings with shot-blasted SA 2.5 surface cleanliness, achieving minimum 250 mm barrier protection resistant to holiday spark testing at 3000 V.
Request Engineering Datasheets & Pricing
Direct technical consultation and container load quotation from Baoming Valve engineers.