D943W-16P/25P/40P Electric Hard Seal Three-eccentric Stainless Steel Butterfly Valve

Product Features

This product features a three-eccentric structure, with the butterfly plate composed of soft and hard multi-layer laminated metal sheets. It offers reliable sealing advantages with both metal hard seal and elastic seal double sealing, making it widely used in metallurgy, electric power, petroleum, chemical industry, construction and other corrosive fluid pipelines for flow regulation and fluid cutoff at medium temperatures ≤425℃.

Product Attributes & Characteristics

Use & Features

The soft-sealed butterfly valve is suitable for applications in the food, pharmaceutical, chemical, petroleum, and power industries with a nominal pressure of ≤16MPa and a temperature of ≤120℃. It is utilized for flow regulation and medium shut-off in water supply, drainage, and gas pipelines across various sectors such as gold mining, urban construction, textiles, and papermaking. Its key features include:
1. A novel lightweight design with a unique structure that enables fast opening and closing.
2. Low torque requirements make it easy to operate with minimal effort.
3. Can be installed in any position with simple maintenance procedures.
4. The seal can be replaced to ensure reliable bi-directional sealing with zero leakage.
5. The sealing material exhibits resistance to aging and corrosion while offering an extended service life.

Adoption Standards

Design Standards: GB/T12238-1989;
lS0 10631-1994 or BS EN593-1998
Connecting Flange Dimensions: GB/T17241．6-1998；
IS0 7005-2 or BSEN 1092-2002
Structure Length Standards : GB/T1 2221-1989;
lS0 5752-1988 or BS EN558-1
Pressure Test Standards: GB/T13927-1 992；JB/T9092-1999；
lS0 5028-1993 or BS 6755-l-1986
External & Connecting Dimensions (mm)