Quarter-turn wafer butterfly valve for 40 mm (1½") water lines — the slim body clamps ('wafers') between two pipe flanges. A stainless-steel (SS 304; SS 316 optional) disc swings on a two-piece stem and seals against a moulded EPDM/Nitrile liner. Electric actuator (ZSY 1, 230 VAC / 24 VDC), BMS/PLC-ready. Face-to-face 33 mm, disc Ø 40.6 mm. Rated PN 1.0 — up to 1.0 MPa working, factory-tested 1.5/1.1 MPa shell/seat; water to 90°C.
| PN rating | PN 1.0 |
| ISI status | ISI |
| Disc material | Stainless Steel SS 304 / CF8 (SS 316/CF8M opt.) |
| Operation | Electric actuator |
| Actuator model | ZSY 1 |
| Body | SG Iron (IS 1865 Gr.400/15) |
| Liner | EPDM/Nitrile (IS 5192) |
| Shell test (MPa) | 1.5 |
| Seat test (MPa) | 1.1 |
| Max temp (°C) | 90 |
| Suitable for | Water |
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