SISCO Flow Control Co., Ltd.

Pin-less; the valve stem has axial positioning device; the two end faces of valve seat are widened; no special-purpose flange is required; the end faces of valve seat are of tongue-and-groove structure, which could avoid deformation of valve port in case of clamping.

Pin-less; the valve stem has axial positioning device; the two end faces of valve seat are widened; no special-purpose flange is required; the end faces of valve seat are of tongue-and-groove structure, which could avoid deformation of valve port in case of clamping.

Small volume, light weight, compact structure; automatic quick closing by relying on torsion spring; available to be installed at horizontal and vertical pipelines; safe and reliable performance, and good anti-interference performance.

Characteristics: Handwheel drive; epoxy coating is applied on the flanged connection surface; the ductile iron valve disc is rubber-clad and beset with bronze nuts, and the service life is long. The product is installed at ground pipeline, and is applicable to manual operations. The rising height of valve plate may be judged.