Wafer Type Butterfly Valve Extended Bonnet

Butterfly Valve is a kind of simple structure, at the same time it can be used for low pressure pipeline medium switch control., serve as cut off and throttling in the pipeline.

Material:

• The body material: GG25/GGG40/GGG50
• The disc material: DI/SS304/SS316/AL-BZ
• The stem material: SS410/SS416/SS420/SS304/SS316
• The seat material: NBR/EPDM/PTFE/VITON
• The extended material: Cast Steel/Stainless Steel.

Design Standard:

API 609/ISO 5752/BS5155

Flange Standard:

ANSI 125#/150#; JIS5K/10K/16K; DIN 2501 PN6/PN10/PN16/; BS4504 PN10/PN16

Usage:

This product mainly applies to the underground pipeline or not closeing valve extended transmission device.