Two new features added to the Davey HS Domestic Water Pressurization System are the built-in vent valve and heavy duty stainless steel backflow baffle. The new design is targeted at the company's family of products that handle water from tanks, reservoirs, dams or other Source of household water. The built-in exhaust valve enables faster system startup and maintains pump pressure by removing air that may cause suction line failure. Exhaust gas generally compromises pump performance, and Davey's new design overcomes this disadvantage.
Heavy-duty stainless steel backflow baffles are made of high grade, thick stainless steel that covers the entire cycle of the pump, allowing the pump to have a long and reliable life.
Ashley White, product manager at Davey, said the HS pressurization system, which is typically marketed with the Hydrascan® CL controller, ensures constant pump flow, no pulses, constant flow and prevents damage to the pump during failed starts.
Davey Pumps, another branch of the company, has improved its 2005 Series Fire Power Pump to change the type of pump's outlets from the original three-way to the more versatile four-way. The exit is equipped with a more comfortable manual handle for easy shipping.
This type of pump access port with a unique connection cap. These caps are easy to remove for easy connection to more ports. They also safely discharge pump pressure, providing double protection and greatly reducing the chance of end caps being lost.
The impeller uses a newly patented 'clip' design, which includes two blades bolted together with locking bolts. This design allows the pump stick or block occurs when the block, remove the impeller quickly and easily clear.
The new high-quality powder coating in the pump extends the life of the pump. Davey's patented independent floating collar improves pump performance and resistance to dry running damage. Another new feature is the built-in thrust balancer, which reduces the axial thrust of the engine to one-third of the rated working condition, thereby extending the life of the motor.
Clutch servos have the function to proportionally "amplify" the foot pedal force by using air from the vehicle's compressed air system during the clutch disengagement process. The Clutch Servo is controlled hydraulically by the clutch master cylinder and operates the clutch mechanically via a lever system.
Clutch Servo
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