
Quick Pressure Relief Valve with Manual Selector 1
- Ports size: 1-1/2″ – 4″ BSPT
- Safety control valve: protects the system by releasing pressure surges
- Applications : Use G500-QR when wishing to avoid unwanted high pressure
$285.25
Size | 3/8" or 1/2" BSP |
Function | 2 Way NC, NO |
Valve Operation | Pilot Operated |
Body Material | Plastic |
Seal | NBR |
Pressure Range | 0.5 to 10 bar |
Media | Water |
Size | 2 Way NC, NO |
Function | 3/4", 1", 1-1/2", 2" BSPT |
Valve Operation | Pilot operated |
Body Material | Plastic |
Seal | NBR |
Pressure Range | 0.3 to 10 bar |
Media | Water |
(GEM-S-2W-PLASTIC)
Function | 2 Way NC, NO |
Ports size | 3/8", 1/2" BSP & NPT |
Orifice size | 12mm |
Pressure range |
05 to 10 bar |
Kv (l/min) | 35 l/min |
Temperature range | Fluid : 5ºC to 50ºC (no freezing) Ambient : -10ºC to 50ºC |
Materials in contact with media |
Main Valve: Reinforced Nylon Solenoid Operator: Stainless Steel AISI 300 & 400 series Seals: NBR, FKM, EPDM |
Solenoid | GEM-SOL 2W NC solenoids, all voltages |
Coil voltage | • Voltage and power consumption - see table • All Baccara coil voltages are ± 10% of nominal |
Standard protection class | IP65 with connector * Option : IP68 (please refer to GEM-BP Coil) |
Function | 2 Way NC, NO |
Ports size | 3/4", 1", 1-1/2", 2" BSPT |
Connection | Female BSPT |
Pressure range | 0.3 to 10 bar * Pressure of voltage DC is 70% of voltage AC only. |
Temperature range | Fluid : 5ºC to 50ºC (no freezing) Ambient : -10ºC to 50ºC |
Solenoid | GEM-SOL 3/4" UNEF, 2 Way NC or NO solenoids. All voltages |
Materials in contact with media |
Manual override: Reinforced Nylon Body & cover: Reinforced Nylon Spring: Stainless Steel AISI 302 Diaphragm: NR Seals: NBR Screws: Stainless Steel AISI 304 Solenoid: Stainless Steel AISI 300 & 400 series |
Coil voltage | • Voltage and power consumption - see table • All Baccara coil voltages are ± 10% of nominal |
Standard protection class | IP65 with connector * Option : IP68 (please refer to GEM-BP Coil) |
• Progressive opening and shut off that prevents water hammer
Flow & Orifice table
Size | Orifice (mm) |
Kv (l/min) |
3/4" | 27 | 140 |
1" | 27 | 200 |
1-1/2" | 55 | 520 |
2" | 55 | 600 |
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