a type worm gear wafer center line butterfly valve

Specifications 1. Standard: ANSI, DIN, GB, BS

2. Size: DN50-250

3. Suitable Temperature: 0-80

a type worm gear wafer center line butterfly valve        Y.CREATE   Technical Parameter

Norminal pressure	1.6
Test pressure	Sheel 2.4 Sealing 1.76
Suitable temperature	0~80
Suitable medium	water

  Material of main parts Body: Cast Iron, ductile iron Disc: ductille iron, stainless steel, nylon coated Stem: stainless steel, carbon steel Resilient ring: NBR   Introduction: wafer center line butterfly valve is connected between butterfy valve and signal end. Base on the hand installment of valve,it is added electric switch box which includes micro switch; cam; terminal board; input cable; and structure parts ect. There is a micro switch between on and off. When the switch opened and closed on the right p;ace, it will give off electrical signal. Electrical switch box is total sealing, and no sealing ring in shell, so it can be used outside directly. It can control the medium in the pipes and is also an accessory of spinkle system in fire protection project.