The non return isolation valve is normally installed on the inlet pipeline of a dust collector or a cyclone separator. It is a simple, economical and reliable isolation product. It is mainly used to prevent the flame and shock waves inside the device which are generated from explosion from spreading to upstream pipeline and devices.

Applicable to non return isolation, negative pressure system and horizontal & vertical installation;

Sizes available from DN100 to DN1000

Pressure loss: about 260 - 400 Pa

Installation method: vertical and horizontal installation, connected by flanges;

Installation position: 2-8m from the pipeline of dust collector inlet;

Coming with a inspection cover, easy for inspection;

Signal sensors and closed position indicator switches and other accessories optional;