QRA and QRAD SERIES
FEATURES
- Accurate set pressure
- Set Pressure Tolerance: ±5% (*Set pressure on initial crack may be higher than set pressure tolerance due to inherent characteristics of seals)
- Reseat to 95% of set pressure above 13 psi, reseat to 85% of set pressure up to 13 psi
- Zero leakage
- Wide range of set pressure
- Tamper-proof adjustment
- 100% seat leakage tested
- Compact design
- *PED certifications and CE marking available for several models*
APPLICATIONS
- System overpressure protection
- Medical equipment
- Measuring & dispensing pumps
- Process control instruments
- R & D pilot plants
- Storage tanks
- Freon® recovery systems
- Refrigeration & heating equipment
- Communications equipment
- Vacuum pump safety
SPECIFICATIONS
| Size Range | 1/8" - 1" (DN4 - DN25) |
|---|---|
| Operating Pressure Range | 0 - 14 bar (vacuum - 200 psig) |
| Set Pressure Range | 0.03 - 10 bar (0.5 - 150 psig) (Standard) |
| Temperature Range | -56°C / -70°F up to +205°C / +400°F (Based on O-ring & body material, see "HOW TO ORDER") |
| Options Include | Vent to atmosphere with deflector cap. Inline relief (male x female) |
| Connection type | 1/8" MNPT to 1" MNPT, 1/8" FNPT to 1/4" FNPT, BSPT Male/Female - on request |