Product category:
Pneumatic Valves and Controls
News Release from: Hoerbiger-Origa | Subject: Hoerbiger-Origa switching and regulating valves
Edited by the Engineeringtalk Editorial
Team on 24 January 2008
Pilot valve suits hazardous areas
itching power requirements are minimal and, unlike a solenoid, the P8 piezo pneumatic pilot valve is bi-stable and needs far less power to hold it in position.
Hoerbiger-Origa has updated its range of pneumatic switching and regulating valves with the addition of pilot-operated, in-line and manifold directional control and Namur interfaces The range is actuated by a new P8 piezo pneumatic pilot valve, which offers a number of advantages over conventional solenoid control
This article was originally published on Engineeringtalk on 22 Mar 2000 at 8.00am (UK)
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Switching power requirements are minimal and, unlike a solenoid, the switch is bi-stable and needs far less power to hold it in position.
This makes it suitable for explosion hazard environments in which any equipment capable of sparking is forbidden.
The range is compatible with most interface modules and offers particular benefits for Ex fieldbus systems.
The piezo unit is far smaller and lighter than a solenoid and generates almost no waste heat and magnetic radiation.
Switching time of the piezo element is effectively instantaneous, which provides the pilot valve with an excellent response.
The valves are available in 3/2 way, 5/2 way, 5/3 way mono-stable and bi-stable versions, with flow from 50 litres/min (P8) to 1300litres/min (G1/4) and pressures up to 8bar.
They are usable with both compressed air and nitrogen and in a temperature range of -25 to +60 C.
Connection options include G1/8, G1/4 and Namur, while power supply can be 4.5V, 30V DC or 1-23mA.
Protection class of the new P8 pilot operator is IP65 and the range provides valves accredited to ATEX1G and ATEX 2GD for hazardous area applications. Request a free brochure from Hoerbiger-Origa ...
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