The new gas valve RD-G is a DVGW- (German Technical and Scientific Association for Gas and Water) certified control device without zero-cutoff, according to EC gas appliance directive 2009/142/EC, DIN 3394-1 and DIN EN 13611. The valve is available with an electric or pneumatic actuator, and a swing-through version and a model with stop-bar sealing are also available, both with a nominal diameter of up to DN 150. — ARIS Antriebe und Steuerungen GmbH, Troisdorf, Germany
Aluminum-ring-type valve thats certified for gas applications
| By Chemical Engineering