
Description : Having a combined function of GTD and MTD, the FSD givesa tight shut-off at nominal pressure and temperature rating.
Source : http://www.unicomvalve.com/products/sub02.htm
Description : Having a combined function of GTD and MTD, the FSD givesa tight shut-off at nominal pressure and temperature rating.
Source : http://www.unicomvalve.com/products/sub02.htm