Wafer Butterfly Valve Extended Bonnet

Wafer Butterfly Valve Extended Bonnet
General:	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. GG25 / GGG40 Wafer Butterfly Valve Extended Bonnet applies to the underground 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#;
	JIS 5K/10K/16K;
	DIN 2501 PN6/PN10/PN16/;
	BS 4504 PN10/PN16
Usage:	This product mainly applies to the underground pipeline or not closing valve extended transmission device.