polyurethane valve seal

Polyurethane valve seals from Yantai Zhengyuan Polyurethane Co.,Ltd. are made of excellent polyurethane from well known companies in the world because of its exceptional strength under high pressure and long wear under harsh conditions. These polyurethane valve seals are for the petroleum & natural gas industry and are used in a harsh slurry environment of abrasive sand and water under high pressure. The superior polyurethane used has following advantages. · Rubber elasticity