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83MEC Pressure Reducing Fire Angle Valve DN50 BQP83.VGGADN50
83MEC BQP83.VGGADN50 pressure reducing fire angle valve DN50 to TCVN 5739:2023: reduces and stabilises outlet pressure, protects hoses from overpressure. Fire protection equipment supplied by FEYANA – fast quotes.
The 83MEC BQP83.VGGADN50 DN50 pressure reducing angle valve, made to TCVN 5739:2023, reduces and stabilises water pressure at the hose outlet.
It protects pipework, hoses and terminal equipment from overpressure for safe, reliable operation – especially on lower floors of high-rise buildings.
Technical specifications
| Product code | BQP83.VGGADN50 |
|---|---|
| Coupling standard | TCVN 5739:2023 |
| Material | Cast iron – steel – brass – aluminium (QT400-18 body, 06Cr19Ni10 stem, ADC12 handwheel, 65Mn spring, NBR seals) |
| Max. working pressure | 1.6 MPa |
| Test pressure | 2.4 MPa |
| Inlet pressure (MPa) | 0.2 / 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.4 / 1.6 |
| Corresponding outlet pressure (MPa) | 0.025 / 0.078 / 0.12 / 0.16 / 0.2 / 0.25 / 0.29 / 0.33 |
| Corresponding outlet flow | 2.6 / 3.5 / 4.2 / 4.9 / 5.4 / 5.9 / 6.4 / 6.8 |
| Colour | Red – yellow – grey |
| Warranty | 12 months |
| Origin | Vietnam |
Applications
- Wall hydrants on lower floors of high-rise buildings
- Fire systems with high supply pressure
About 83MEC
83MEC is a fire protection equipment manufacturer under Vietnam’s Ministry of National Defence, producing extinguishers, hydrants, fire department inlets, valves, hose reels, nozzles and couplings to Vietnamese TCVN standards. Products are inspected and stamped by the Fire Police authority and carry anti-counterfeit labels.
Specifications per the 83MEC 2026 product catalogue.
Quotation and support
Send FEYANA your item list, quantities and inspection requirements – we will advise and quote the right fire protection equipment.
- WhatsApp / Phone: +84 988 641 591
- Email: sales.00@feyana.com
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