Control the air.
Suitable for the mediums like large flow and low differential pressure.
It includes centerline wafer butterfly valve-economic and practical, whole lining type suiting for antiseptic liquids, three-eccentric center butterfly valve - good airproof effect and air butterfly valve -especially control the air.
Electric Control Butterfly Valve Series and Type
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The name of product
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Type
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Nominal pressure
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Valve body material
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Electric regulating wafer centreline butterfly valve
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BELLAJWA DN40~DN1000
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PN1.0
PN1.6
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Cast iron
Cast steel
Cast stainless steel
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ZAJWA DN40~DN1000
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Electric regulating flange lining butterfly valve
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BELLAJWF DN50~DN300
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ZAJWF DN50~DN300
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Electric regulating three eccentric centre hard seal butterfly valve
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BELLAJWSY DN100~DN2400
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ZAJWSY DN100~DN2400
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Electric regulating air regulating butterfly valve
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BELLAJWK DN200~DN1800
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ZAJWK DN200~DN1800
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Supply Voltage: 220volt or 380volt
Electronic Type: input signal 4-20mA, feedback signal 4-20mA
Non-electronic Type: the importation has a source switch the quantity signal, feedback signal 4-20mA.