Brief introduction

Widely used for water supply pipe network of high-rise buildings, a certain medium of a corrosive and restricted installation space as well as sewer network.

 Features

⊙The valve seat is designed to multi term narrow bands and vulcanized on valve body by complete seal with no leak.
⊙Structure of butterfly dual plate check valve is safe and reliable with high external force and low trash rack loss.
⊙Such kind of valve structure installed conveniently with short length and good rigidity.     

 Main part & material

Body: pray cast iron, carbon steel

Disc: stainless steel

Spring: Stainless steel  

Seat: Stainless steel, NBR

Stem: Stainless steel

 Technical Specification

-Nominal diameter: 50～600mm       

-Nominal pressure: 1.0~2.5Mpa
-Medium: freshwater, sewage, seawater, salt, alkali, acid, leechdom, steam, oil, food, etc.

-Work temperature: 0~80℃