A high-quality 75mm (3") Fire Brigade Inlet Adaptor with an integrated Non-Return Valve (NRV), constructed from stainless steel 304 for superior corrosion resistance. Designed for fire hydrant systems, pump connections, and emergency water supply lines, it ensures quick, leak-proof coupling while preventing backflow.
Technical Specifications
1. General Specifications
| Parameter |
Specification |
| Material |
AISI 304 Stainless Steel (Anti-Corrosion) |
| Size |
75mm (3") Nominal Bore |
| Connection Type |
Instantaneous (Male/Female as per IS 903/BS 336) |
| NRV Type |
Swing Check Valve (Spring-Assisted) |
| Working Pressure |
10 bar (145 PSI) |
| Test Pressure |
15 bar (217 PSI) Hydrostatic |
| Max Temp. |
150°C (302°F) |
2. Design Features
✔ Non-Return Valve (NRV) – Prevents backflow contamination
✔ SS 304 Construction – Rust-proof for outdoor/coastal use
✔ Smooth Bore – Minimal friction loss (<0.2 bar at 1,000 LPM)
✔ Ergonomic Lugs – Easy grip for rapid connection/disconnection
3. Dimensions & Standards
| Standard |
Specification |
| Thread Compatibility |
BS 336/EN 14441 (UK/EU) or Storz 75mm (Optional) |
| Flange Option |
PN16 Drilling (EN 1092-2) |
| Weight |
2.8 kg (approx.) |
4. Certifications
- IS 903 (ISI Mark for Fire Couplings)
- EN 14441 (Instantaneous Connection Standard)
- CE Marked (EU Compliance)
Applications
✔ Fire Hydrant Systems – Municipal/industrial water supply
✔ Fire Pump Suction/Discharge – Ensures unidirectional flow
✔ Emergency Water Tankers – Quick-connect refilling
✔ Offshore/Coastal Installations – Saltwater-resistant
Why Choose This Adaptor?
✅ Zero Backflow Risk – Integrated NRV protects water supply
✅ Heavy-Duty SS 304 – Long lifespan in harsh environments
✅ Instant Coupling – Saves critical time during emergencies
A high-quality 75mm (3") Fire Brigade Inlet Adaptor with an integrated Non-Return Valve (NRV), constructed from stainless steel 304 for superior corrosion resistance. Designed for fire hydrant systems, pump connections, and emergency water supply lines, it ensures quick, leak-proof coupling while preventing backflow.
Technical Specifications
1. General Specifications
| Parameter |
Specification |
| Material |
AISI 304 Stainless Steel (Anti-Corrosion) |
| Size |
75mm (3") Nominal Bore |
| Connection Type |
Instantaneous (Male/Female as per IS 903/BS 336) |
| NRV Type |
Swing Check Valve (Spring-Assisted) |
| Working Pressure |
10 bar (145 PSI) |
| Test Pressure |
15 bar (217 PSI) Hydrostatic |
| Max Temp. |
150°C (302°F) |
2. Design Features
✔ Non-Return Valve (NRV) – Prevents backflow contamination
✔ SS 304 Construction – Rust-proof for outdoor/coastal use
✔ Smooth Bore – Minimal friction loss (<0.2 bar at 1,000 LPM)
✔ Ergonomic Lugs – Easy grip for rapid connection/disconnection
3. Dimensions & Standards
| Standard |
Specification |
| Thread Compatibility |
BS 336/EN 14441 (UK/EU) or Storz 75mm (Optional) |
| Flange Option |
PN16 Drilling (EN 1092-2) |
| Weight |
2.8 kg (approx.) |
4. Certifications
- IS 903 (ISI Mark for Fire Couplings)
- EN 14441 (Instantaneous Connection Standard)
- CE Marked (EU Compliance)
Applications
✔ Fire Hydrant Systems – Municipal/industrial water supply
✔ Fire Pump Suction/Discharge – Ensures unidirectional flow
✔ Emergency Water Tankers – Quick-connect refilling
✔ Offshore/Coastal Installations – Saltwater-resistant
Why Choose This Adaptor?
✅ Zero Backflow Risk – Integrated NRV protects water supply
✅ Heavy-Duty SS 304 – Long lifespan in harsh environments
✅ Instant Coupling – Saves critical time during emergencies
