Product Model
gra-1/4-b
Selling Points
- 1Control flow rates up to 420 l/min in the flow control direction and 780 l/min in the blocked direction.
- 2Meets ATEX Zone 1/2/21/22 standards for safe operation in hazardous environments.
- 3Made with RoHS-compliant materials, ensuring environmental sustainability.
- 4Equipped with G1/4 pneumatic connections for easy integration into pneumatic systems.
- 5Built with die-cast zinc housing for robust performance and longevity.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | Flow control non-return function | Pneumatic connection 1 | Internal thread G1/4 |
Pneumatic connection 2 | Internal thread G1/4 | Adjusting element | Knurled screw |
Type of mounting | Optionally: Front panel mounting With through-hole | Standard nominal flow rate in flow control direction | 420l/min |
Standard nominal flow rate in non-return direction | 780l/min | Operating pressure | 1.45psi 145psi |
Ambient temperature | -20°C 75°C | Housing material | Die-cast zinc |
Explosion prevention and protection | Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | Mounting position | Any |
Symbol | 00991453 | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Information on operating and pilot media | Operation with oil lubrication possible (required for further use) | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
Storage temperature | -20°C 75°C | Temperature of medium | -20°C 75°C |
Product weight | 180g | Note on materials | RoHS-compliant |
Seals material | NBR | Material of adjusting screw | Brass |
Manufacturer ID | 6509 |
Specifications may be subject to change without notice