Product standard: GB/T 12238-2008

"Universal valve flange and clamp connection butterfly valve"

JB/T 8527-1997 metal hard seal valve

Nominal diameter: DN300-DN4000

Nominal pressure: PN0.25MPa-2.5MPa

Working temperature: less than or equal to 80 DEG C

Connection form: flange

Drive mode: Manual

Main material: gray cast iron, nodular cast iron, cast steel, steel plate welding

Uses: thermal power station circulating water system, urban water supply system, etc.. The utility model is used for regulating the water flow through the broken water flow and in the range of 40 DEG -90 deg.

Structural features: bellows flexible metal floating seal valve seat. When opening and closing the sealing surface friction size, opening and closing torque is small. Sealing surface by special processing, high hardness, corrosion resistance, wear resistance, reliable sealing, long service life.

Main dimensions, dimensions and dimensions