氣蝕:根據(jù)介質(zhì)溫度與壓力關(guān)系限制閥門前后的壓差就能避免氣蝕
VVF53.15
VVF53.15-0.2
VVF53.20-6.3
VVF53.25
VVF53.32-16
VVF53.40
VVF53.50
VVF53.65-63
VVF53.80-100
VVF53.100-160
VVF53.125-250
VVF53.150-400