Pressure applied safety valve TRI-NAMUR ACCESSORIES
Pressure applied safety valve, air-recirculation block with NAMUR-interface.
Data sheet Pressure applied safety valve TRI-NAMUR ACCESSORIES
Technical data
Pressure Applied Safety Valve to hold a double acting actuator at the current position in case of cut-off of pressure supply. The valve is consisting of two non-return valves which will be unlocked by pressurising port P1 or P2.
| Namur: | 1/4“ |
| Operating pressure: | 1 - 10 bar |
| Temperature range: | -10° C to +70°C |
| Air flow P zu A/B: | 230 l/min |
| Airflow A/B zu P: | 360 l/min |
| Body: | Aluminum anodized |
| Inner parts: | Brass,POM |
| Seals: | NBR |
| Weight: | 100g |
Installation between pilot valve and actuator.
On request:
- Special plate with two G 1/4" BSP threads for remote piloting
The air recirculation block absolutely guarantees, that only exhausting air from the actuation-side is going into the spring chamber and for sure no ambient atmosphere.
Case of operation:
Especially been used for remote piloting
(e.g. a valve which is assembled in a control cabinet).
Valve is designed for spring return pneumatic actuators with an 1/4” Namur-Interface.
| Namur: | 1/4“ |
| Port size: | G 1/4“ |
| Operating pressure: | 1 - 10 bar |
| Temperature range: | -10° C to +70°C |
| Air flow: | 1250 l/min |
| Body: | Aluminum anodized |
| Inner parts: | Brass,POM |
| Seals: | NBR |
| Weight: | 200g |
On request:
- Stainless steel version
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