Vacuum Butterfly Valves
Size: DN25 ~ DN800( 1'' ~ 32'')
Pressure Range: 105 ~ 1.3x10-5 Pa
Leakage: 1.3x10-6 Pa·L/S
Suitable Temperature: -25 ~ +80 (EPDM,NBR), -30 ~ +150(PTFE)
Flange Standard: JB919, GB6070
Material: Stainless steel, Carbon steel with Nickel plating
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