The unit is manufactured, checked and supplied in accordance with our published specification, and when installed and used in normal or prescribed applications, with the lid in place and within the parameters set for mechanical and electrical performance, will not cause danger or hazard to life or limb.
Differential Pressure Switch GR3/6 Series
The model GR3 and GR6 Differential Presure Switches are suitable for setpoints between -12.5mbar and 10bar with maximum working pressures up to 250bar. Launched in the mid-1990s, the Compact Series pressure switches provide users with a compact, robust and hermetically sealed switch for use in Safe and Hazardous Areas.
Launched in the mid-1990s, the Compact Series pressure switches provide users with a compact, robust and hermetically sealed switch for use in Safe and Hazardous Areas. The GR Series switches are all housed in a compact and rugged enclosure making them particularly suitable for panel mounting in harsh environments All models in the Compact Series come with hermetically sealed switch contacts and flying leads as standard.
- Compact and rugged design.
- Weatherproof IP66/NEMA 4
- ATEX Flameproof CENELEC Ex d IIC option
- Stainless steel body option NEMA 4X rating
- Optional weatherproof, ATEX Ex e, ATEX Ex ia or ATEX
– Flameproof Ex d IIC terminal enclosures
- NACE MR-01-75 compatibility.
- Ranges available up to 10 bar (160 psi).
- Static Pressure up to 250 bar (3,500 psi).
- Field adjustable.
- Hermetically sealed snap switch CSA listed.
The GR Series is suitable for a wide range of applications in:
- Oil & Gas
The choice of models available ensures that the GR Series is suitable for use in:
- Corrosive atmospheres
- Resistant to chemical attack
The GR Series switches are all housed in a compact and rugged enclosure making them particularly suitable for panel mounting in harsh environments
Hermetically sealed switches
All models in the Compact Series come with hermetically sealed switch contacts and flying leads as standard.
Accuracy: Set point repeatability ± 1% of span at 20°C / 68°F ambient
Storage Temperature: -40 to +60°C / -40 to +140°F
Ambient Temperature: Certified Enclosures.
Maximum Process Temperature: Subject to appropriate installation practice, the component parts will withstand up to +60°C (+140°F). For process temperatures up to +120°C (+248°F), order WETTED PARTS Code R (Table 4). For higher temperatures, refer to SPECIAL ENGINEERING.
Enclosure classification: IP66 / NEMA 4X / Flameproof Ex d
Switch output: SPDT or DPDT snap action hermetically sealed microswitch
Process Connection: Rc ¼ (BSP), 1/4 NPT Internal, 1/2 NPT Internal & 1/2 NPT External Approximate Weight: Enclosures “H, T & W” 2.7kg/6lb to 6.8kg/15lb;“R, A & U” 3.5kg/7.7lb to 7.3kg/16lb. For integral terminal enclosures codes in Table 3 “C & D” GR Series 0.3kg/0.66lb; “J” 1.1kg/2.4lb; “K” 0.4kg/0.88lb.
Download Data Sheet: Differential Pressure Switch GR3_6 Series