CVH021 Series
Check Valve Insert, Ball Type for Inserting Inside Manifold Blocks, Rated Flow 500 LPM (132 GPM), Nominal Flow @ 7 Bar (100 PSI) 300 LPM (79 GPM), Max. Inlet Pressure 420 Bar (6000 PSI).
Parker’s ball check valves are cartridges designed to be inserted inside manifolds and can handle flow up to 3.8 lpm (1 gpm) and pressure up to 350 bar (5,000 psi) for circuit optimization and space savings.
Primarily used as a sense check or isolation check on load sense circuits, these valves feature a hardened ball and seat design that keeps leakage 15 ml/min. or less while lengthening service life due to improved wear characteristics with reliable performance.
The threaded insert check valves have the flexibility of being able to mount internally without being restricted to a cavity mount or increasing manifold surface area with conventional cartridges. The threaded design allows them to be easily removable for servicing.
Due to its reliability and robust design, they provide more consistent performance and are a better choice than machined-in manifold seats commonly used in aluminum and cast iron manifolds for load sense circuits.
Features:
- For inserting inside manifold blocks
- Leakage – less than 300 drops per minute
- Simple construction – extremely cost effective
- High tolerance for contamination
Parker ball type check valves are designed with a ball held against a seat, this blocks flow in one direction at all times, but permits flow in the opposite direction when the pressure is high enough to lift the ball off its seat. By using a hardened ball and finished seat, leakage rates are less than 15 ml/min. in the blocking direction. The valve requires a modified SAE 2 cavity.
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Specifications
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Technical Data
Rated Flow 1 gpm 3.78 lpm Maximum Inlet Pressure 5000 psi 345 bar Leak Rate 15 mil/min. - Cavity Size Special SAE 2 port per customer drawing - Cracking Pressure 0 psi There is no cracking pressure, as there is no spring (bar) Seal Material Fluorocarbon - Operating Temperature Range -15° F to +400° F -26° C to +204° C Valve Materials Hardened steel - Rated Fluid Viscosity (cst) Curves are based on 32 cSt. Catalog viscosity range applies 6 to 420 cSt - Filtration Ratings ISO 4406 18/16/13 - Weight 0.0162 (lb) 0.00735 (kg) Function Block flow in one directions and free flow in the other - Features and Benefits
For inserting inside manifold blocks - Leakage – less than 300 drops per min - Simple construction – extremely cost-effective - High-tolerance for contamination - Markets
Agriculture - Construction Equipment - Material Handling Equipment - Industrial - Manufacturing - Mobile - Applications
Component Isolation - Back-flow Prevention - Anti-Cavitation - Where Cleanliness is a Issue - -
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