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EATON Danfoss PRV12-12 Series Pressure Control Valves
Eaton Danfoss PRV12-12 Series pressure control valves are used in pneumatic and hydraulic systems to protect pumps against overpressure of flowing fluids. They are ideal for refuse haulers, harvesters and industrial applications.
A
BWorking Mechanism
- Until the exit (regulated) pressure exceeds the setting of the pilot section, this valve is generally open, enabling intake oil to travel to the regulated line.
- When this setting is reached, a pilot flow takes place, creating an imbalance in pressure across the main spool, which then moves to throttle the incoming flow and stop any further pressure rise in the regulated line.
- The main spool slides back further, opening the regulated port to the tank line, acting as a relief valve if any external force causes the regulated pressure to climb more than 5 to 10% above the setting.
Features
- These Danfoss PRV12-12 Series pressure control valves can be operated at pressures ranging from 10 to 350 bar.
- They feature steel construction for structural rigidity and long service life.
- These valves offer screw-in cartridge mounting for easy and secure installation.
- They comply with the ISO cleanliness code of 18/16/13 to prevent contamination.
- These pilot-operated valves use Buna-N seals to prevent fluid leakage.
Compatible Accessories
- Eaton 02-165886 Seal Kit: This seal repair kit features a Viton seal for replacing damaged and worn-out seals in these flow control valves.
Frequently Asked Questions
What is the flow rate of these pressure control valves?
114 l/min.
What is the operating temperature of Eaton Danfoss PRV12-12 Series pressure control valves?
-40 to 120 degrees C.
What is the functional difference between screw-in and slip-in cartridge valves?
Screw-in cartridge valves maintain fluid flow only in one direction, whereas slip-in cartridge valves maintain bi-directional flow.
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