China Marine Midline Butterfly Valve in Wafer Type

General design: API 609
Mounting pad: ISO 5211
Face-to face: API 609 and EN558 1 to 20 series
Flange drilling: ANSI class125/150 and DIN PN6/PN10/PN16/PN25
Body: Ductile iron
Disc: AL-bronze/stainless steel
Shaft: Stainless steel/17-4pH
Seat: EPDM, NBR and viton
Actuating form: Hand lever, worm gear, electric and pneumatic actuator
Size: DN50 to DN600mm
Strengths of butterfly valve:
1. It is single and compact in structure and light in weight, and easy for assembly and disassembly, and maintenance.
2. The operating torque of it is small. When turning 90(it can open or close with light and fast action.
3. It is small in flowing resistance and good in energy-saving effect, with discharge characteristic approximating inclined straight line.
4. It is festured by reliable sealing, zero leakage witj ten thousands ofopening and closing times.
5. The valve can be made of various materials, adapted RO all kinds of media.
Our service:
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