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New rotary union satisfies broad range of applications

The new DWA Series rotary union from Duff Norton (Charlotte, NC) offers a reliable and economical way to meet a broad range of process heating and cooling requirements. Designed for applications where water, oils, or noncorrosive fluids reach a maximum temperature of 200°F (93°C), it is suited for applications involving the processing of plastics and rubber as well as flexible packaging and printing operations.

The new DWA Series rotary union from Duff Norton (Charlotte, NC) offers a reliable and economical way to meet a broad range of process heating and cooling requirements. Designed for applications where water, oils, or noncorrosive fluids reach a maximum temperature of 200°F (93°C), it is suited for applications involving the processing of plastics and rubber as well as flexible packaging and printing operations.

Duff Norton rotary unionWith a maximum speed of 1750 rpm and maximum pressure of 200 psi (180 psi on 2-in. models), the rotary union can be used in heating and cooling rolls, mixers, plastic extruders, embossing rolls, and calendars. It is available in sizes ranging from 1/2 to 2 in. NPT. Metric threads are also offered on request.

Engineered to ensure durable and reliable performance, the product includes silicon carbide and carbon graphite seals to promote long service life, short dry run capability for initial machine startup, precision ball bearings that run smoothly at high speeds, and internal bearing protection with vented body to prevent lubrication washout.

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