Product Announcement from Macawber Group


Dome Valve-Image

Special Performance Advantages

The Dome Valve ® is used in a wide variety of applications in almost every process. The unique closing and sealing action of the Dome Valve® enables continuous reliable operation where conventional valves fail to perform.

Here is why:

Abrasive Materials

Slurries, bulk powders, granules, lumps or dust-laden gases cause seat erosion and ineffective closure. The inflatable seal provides continuous wear compensation.

Pressure Differential

Pressure differential also causes accelerated seat wear in conventional seat valves. The inflatable seal provides continuous wear compensation.

High Temperature

Thermal expansion prevents consistent valve seat action. The inflatable seal provides compensation throughout the temperature range of 0° to 660°F (350°C). Temperatures above this range may be accepted using special valve configurations.

Close and Seal

The displacement action of the rotating dome within the valve housing allows rotation of a solid column of material so that a chokefilled Dome Valve® will close and seal through packed material.

Seal Protection

Seal protection and dome scraper ring remove particles adhering to the dome surface to affect seal performance.

Drive Options

Power operated and manually operated options available.

Abrasion/Temperature/Pressure

Conventional seat valves cannot achieve operating reliability with any combinations of the severe application conditions listed, but the Dome Valve® does. It has achieved successful performance in more than 100,000 installations in a diverse array of applications.

Reliability

A heavy-duty valve designed to perform where other valves cannot. Rated for 1 million cycles between inspections in approved applications.

 
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