Technovra Engineering Solution is the leading supplier of UL certified valves and risers for Bangladesh Market. We supply landing valves, breeching inlets and angle hose valves. All of our products are suitable for a range application and will play an important role in your fire defense.
Valves & Accessories
Valves & Accessories
OS&Y Gate Valve (Flanged, Grooved etc)
- Certificate: UL Listed/ FM Approved
- Standard: BS 5163 UL 262/ AWWA C515
- Connection: Flanged as BS EN 1092-2 + Grooved as ISO 6182/ Flanged as ASME B16.1 + Grooved as AWWA C606
- Temperature: 0°C to 100°C
- W. pressure: PN 16/ 300 psi (2.07 Mpa)
- Surface: FBE coating as AWWA C550


Supervisory/ Tamper Switch
- Certificate: UL Listed/ FM Approved/ CE
- Cover: Die-casting aluminium as ASTM B85
- Connection plate: Mild steel/ SS
- Trip rod: SS304/ SS316
- Temperature: -40°C to 60°C
- Surface: Corrosion resistant coating
- Enclosure: IP 65 and IP 67
Swing Check /Non-Return Valve
- Certificate: UL Listed/ FM Approved
- Standard: EN 1074-3 UL 312/ AWWA C508
- Connection: Flanged as BS EN 1092-2/ Flanged as ASME B16.1
- Temperature: 0°C to 100°C
- W. pressure: PN 16/ 300 psi (2.07 Mpa )
- Surface: FBE coating as AWWA C550


Butterfly valve with Supervisory Option
- Certificate: UL Listed/ FM Approved
- Standard: EN 593/ BS 5155 UL 1091/ MSS SP-67
- Top flanged: ISO 5211
- Indicator: Flag type position indicator
- Temperature: 0°C to 100°C
- W. pressure: PN 16/ 300 psi (2.07 MPa)
- Surface: FBE coating as AWWA C550
Alarm Check Valve Assembly
- Certificate: UL Listed/ FM Approved
- Standard: ANSI/ UL 193
- Connection: Flanged as ANSI B16.1/ EN 1092-2
- Installation: Vertical
- Test: Factory hydro test 350 psi (2.4 MPa)
- Temperature: 4°C to 70°C
- W. pressure: 175/ 300 psi (1.21/ 2.07 MPa)
- Surface: FBE coating as AWWA C550


Pressure Switch
- Certificate: UL Listed/ FM Approved
- Standard: UL 753/ FM3132
- Size: 130 x 84 x 108mm
- Connection: 1/2″ NPT male
- Temperature: -40°C to 71°C
- Enclosure: Rated UL 4X/ NEMA 4 (IP54)
Deluge valve
- Certificate: UL Listed
- Standard: ANSI/ UL 193
- Connection: Flanged as ANSI B16.1/ EN 1092-2
- Installation: Horizontal/ Vertical
- Test: Factory hydro test 350 psi (2.4 MPa)
- Temperature: 0°C to 68°C
- W. pressure: 300 psi (2.07 MPa)
- Surface: FBE coating as AWWA C550


Y Strainer
- Certificate: UL Listed
- Standard: UL Subject 321
- Screen: Standard perforation
- Seat: Recessed seat for screen alignment
- Connection: Flanged as EN 1092-2/ Flanged as ANSI B16.1
- Temperature: 0°C to 100°C
- W. pressure: PN 16/ 300 psi (2.07 Mpa)
- Surface: FBE coating as AWWA C550
Fire Pump Flowmeter
- Certificate:FM/ LPCB Approved
- Size: 2″ to 8″
- Connection: Wafer flange/ grooved
- Scale: Both US gpm and dm3/ min
- Accuracy: ±2%
- Installation: Horizontal/ vertical
- W. pressure: 290 psi (2.0 MPa)


Air release valve
- Certificate: UL Listed/ FM Approved
- Standard: UL Subject 2573
- Connection: NPT/ BSPT
- Temperature: 0°C to 90°C
- Surface: FBE coating as AWWA C550
Brass Ball Valve
- Certificate: UL Listed
- Standard: MSS SP-110, NSF/ ANSI 61
- Connection: Female thread, NPT/ BSPT
- Hydro test: Shell 900 psi/ Seat 660 psi
- Air test: Min 80 psi
- Temperature: -30°C to 120°C
- W. pressure: Class 150: WOG 600 psi & SWP 150 psi
- Surface: Rough brass
