Product standard: GB/T12238-2008 "universal valve flange and clip on butterfly valve"

Q/TF-B27D.07-2002 "vacuum butterfly valve" (enterprise standard)

Nominal diameter: -DN5000 DN65

Nominal pressure: PN0.25MPa-0.6MPa

The vacuum degree is 105 ~ 102Pa (a)

Applicable medium: no corrosive saturated steam, air

Working temperature: less than or equal to 150 DEG C

Connection: flange, welding

Drive mode: manual, electric

Main material: steel plate welding

Use: low vacuum pipeline, as closed circuit

Structure: steel plate welded structure, good air tightness, light weight, convenient installation; sectional shaft, double plate truss structure, small flow resistance, big circulation; soft seal, reliable sealing, convenient operation, flexible switch.