Spring loaded relief valve in straight type, y-type or corner-type; with flanges or buttweld ends; can be supplied in carbon steel 1.0619 / WCB, stainless steel 1.4408 / CF8M, low temperature carbon steel 1.6220 / LCB / LCC and special materials.
Mainly used as bypass valve in small circuits.
With lockable hand wheel cover and stem lock nut to prevent alteration of the set opening pressure. Changing the opening pressure takes place after removal of the hand wheel cover by turning the hand wheel; by so doing the outer pressure spring is tensioned and adjusted to a defined pressure. The valve is not compensated against backpressure!