Butterfly valve parts mainly including butterfly valve body and valve cover is one type of our cast iron butterfly valve. Normally ductile iron ball valve parts are made by us. According to the different use conditions, the material of these butterfly valve parts can be grey cast iron, ductile cast iron, Ni-resist, ADI, Compacted Graphite cast iron, etc. Equipped with advanced casting equipments, heat treatment equipments, machining equipments and testing equipments, we have enough experience of producing cast iron valve parts in accordance with the standards of GB, API, ASME, AWWA, BS, DIN, EN, JIS and so on. We have passed the quality control system certification of ISO9001, TS16949 , the quality of our cast iron valve pars can be guaranteed.

Normally the cast butterfly valve parts are used in the following conditions:

Working pressure:PN≤1.0MPa

Working temperature: —10～200℃

Working medium: water, seawater, steam, air, gas, oil

Cast iron type: grey cast iron HT200, HT250, HT300, HT350

 Working pressure:PN≤2.5MPa

Working temperature: —30～300℃

Working medium: water, seawater, steam, air, gas, oil

Cast iron type: malleable cast iron KHT300-06, KHT330-08, KHT35010

Working pressure:PN≤4.0MPa

Working temperature: —30～350℃

Working medium: water, seawater, steam, air, gas, oil

Cast iron type: ductile iron, QT400-15, QT450-10, QT500-7

We can provide you the cast iron butterfly valve body or cover according to the standards of GB, API, AWWA, BS, DIN ,JIS and so on. Also we can do those cast iron butterfly valve parts according to your requirements.