Low overview
ZMAM, ZSCW butterfly valve is a kind of rotary type regulator, has small volume, light weight, large rated flow coefficient etc, especially suitable for large diameter, large flow, thick muddy slurry or boiler furnace flue gas control.
This series of products are standard, high temperature type and seal type 3 kinds. Production diameter of 50 mm to 1000 mm, leakage levels have Ⅱ or Ⅵ grade, flow characteristic is approximate equal percentage.
Pneumatic switch to hand, using method of side loading the handwheel mechanism: pull out the dowel pin, upward pull (handle, worm gear and worm gearing, pressed into the locating pin, rotate handwheel can change the flow area. Pneumatic, manual switch to the opposite pull (handle).
"The major parts material
Body: HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve plate: carbon steel, 1 cr18ni9ti
Long axis: 1 cr18ni9ti
Seat: carbon steel, stainless steel lined with synthetic rubber or enhanced ptfe
Within the bearing: bronze, stainless steel welding titanium alloy
Packing: ptfe, flexible graphite
Cover: carbon steel
