Available materials:
1. Body: Grey cast iron, ductile iron, stainless steel 304 or 316 and carbon steel.
2. Seat: EPDM, NBR, peft, wear-resistant EPDM, corrosion-resistant EPDM, hight-temperature EPDM, fluorine rubber silicon rubber.
3. Disc: Ductile iron coated by nickel, ductile iron coated by nylon, stainless steel 304or 316, duplex stainless steel, aluminum broze
4. Stem: 45# carbon steel and 416 stainless steel

Normal diameter: Dn50-dn600
Normal pressure: Pn1.0-1.6mpa
Applicable medium: Water, sea water, sewage, oil, air, food, weak acid and soda ect.
Applicable temperature: -10~110 degree celsius.

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