... B7, B825Seat SealingGraphite26Gland GasketSS304+Graphite27Bottom Cover GasketSS304+Graphite Yongjia Weilan Flow Control Equipment Co., LTd. , founded in 1989, located in Oubei ... .6Mpa~42 Mpa(150Lb~2500Lb), and the available temperature range is -196°C~750°C. The valve material contains carbon steel, brass, stainless ...