Product Description

Performance Feature and Usage. The valve seat is designed to multiterm narrowbands and vulcanized on valve body, which realizes complete seal with no leak. Structure of butterfly double lamella check valve is safe and reliable with high external force and low trash rack loss. Such kind of valve structure is installed conveniently with features of short length and good rigidity. Many kinds of materials of limbs are provided for this series that can use variety of mediums. Applicable for water supply pipe network of high-rise buildings, a certain medium of a corrosive and restricted installation space as well as sewer network.