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.