【Product Usage】

Butterfly check valve for pure pipe and industrial, environmental protection, water treatment, high-rise building to the drainage pipe, to prevent the reverse flow of media use

【Features】 1, small size, light weight, compact structure, easy maintenance

2, the valve plate using dual type, under the elastic spring force moment can be self-speed close

3, due to the role of fast-closing, to prevent the media back

4, the valve body length and size of small, good rigidity

5, safe and convenient, can be used for horizontal and vertical installation in two directions

【Executive Standard】

1, the flange connection size: GB / T1724.1-982,

Structure length: GB / T12221-1989, ISO5752-82