Butterfly Valve - DS Series

The DS Series Butterfly Valve is a large line of valves with excellent performance, ease of maintenance and interchangeability of the components, as well as a longer service life.

Concentric valve
Monobloc
Fluid without contact with the body
Large diameters

Body
Founded body on monobloc available in WAFER, LUG and flanged configurations.

In the wafer configuration, a full ring of the body allows the correct centralization of the valve between flanges. Its long neck allows thermal insulation of the pipe.

Disco
The thin disc profile provides a higher seal coefficient than those with passing rod, resulting in lower load loss. The edge of the disc is polished manually, producing low torque, total sealing and longer service life for headquarters.

Material diversity, including stainless steel, duplex, carbon steel, cast iron and various types of coatings.

The thin disc profile provides a higher flow coefficient than those that have a passing rod, resulting in lower load loss.

The edge of the disc is polished manually, producing low torque, total sealing and longer service life for headquarters.

Material diversity, including stainless steel, duplex, carbon steel, cast iron and various types of coatings.

Haste
The disc connection x rod is made through a square fit. The result is a system that does not use pins, plugs or screws, eliminating the possibility of leakage by these components.

The standard material is Astma-276 410 stainless steel, but a large range of materials is available on request.

Top rod and top flange as ISO 5211 / DIN 3337 provides secure connection with manual, pneumatic, electric and others actuators.

A rod retention system ensures its anti-expulsion characteristic.

Site
The headquarters fully coat the body, avoiding fluid contact with the body.
The joint is not required for installation between flanges. The headquarters extends from the face-to-face of the body, prohibiting the body and flanges of the pipe.

Elastomer is vulcanized to a rigid ring, forming a “cartridge” that provides:
- Easy installation, without a specific disk position required;
- Eliminates high torque and premature failure of the headquarters caused by elastomer distortions;
- simplifies the replacement of the headquarters, since no special tools are required for this;
- High resistance for vacuum services.

The rod sealing is made by contacting the album with the headquarters and through two semi-o'rigs molded into the hole hole.

Beam
Bronze bearings eliminate friction between body and rod, providing low torque and long useful life to the rod.