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Marine center type worm type butterfly valve
Product model: GB / T3036-1994
Nominal diameter: DN50-1000mm
Nominal pressure: PN1.0 ~ 1.6Mpa
Applicable media: air, sea water, steam, gas, oil, etc
Applicable temperature: ¡Ü 80 ¡æ
Working temperature: normal temperature
Connection type: clamp
Main material: gray cast iron HT200
Product details
Materials of Main Parts
Parts name Product type
Gray Castlst type
Body HT200
Butterfly board HT200 C5 High Ni.Cr steel Cr Ni.Ti steel

Cr Ni Mo Ti steel
Valve shaft Cr stainless steel Cr Mo V stainless steel Cr Ni.Ti steel Cr Ni.Ti steel CrNi Mo Ti steel
Sealing face Hard seal Iron-based alloy Iron-based alloy Co W alloy Cr Ni Mo Ti steel Cr Ni Mo Ti steel
Soft seal NBR,PTFE NBR,PTFE NBR,PTFE


imensions

Basic dimensions of a / as type marine cast iron double eccentric butterfly valve

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