Metering Valves Hydraulic Valves
Description
Metering valves in hydraulic systems are designed to precisely control the flow rate of fluids. They are essential components in systems where accurate flow regulation is critical, ensuring that the desired amount of fluid passes through the system at any given time.
Working Principle
Metering valves operate by adjusting the flow of fluid through a system. This is typically achieved by moving a valve stem up or down inside the valve body, which in turn restricts or allows fluid flow to the desired level. The precision of metering valves makes them particularly useful in applications where maintaining a specific flow rate is crucial, as even slight variations can impact system performance. Their ability to provide fine control over fluid flow makes them indispensable in many hydraulic systems.
Applications
Metering valves are used in a variety of specific applications. For example, in reverse osmosis (RO) systems, they regulate the flow of feed water, product water, and brine to ensure efficient operation and maintain desired recovery and rejection rates . They are also employed in low-flow hydraulic systems and tasks like additive injections and sampling, where precise flow control is necessary .
Advantages over other Hydraulic Valves
One of the primary advantages of metering valves over other hydraulic valves is their precision in controlling flow rates. This precision is crucial in applications like RO systems, where even minor deviations can affect system efficiency and performance . Additionally, their streamlined dimensions make them suitable for tasks requiring compact and lightweight components .
Limitations
Metering valves, while precise, can be susceptible to issues such as scaling or fouling over time, which can affect their operation . This necessitates regular maintenance to ensure they continue to function correctly.
Considerations
When selecting metering valves, several factors should be considered. Initial costs can vary depending on the materials used, with options like stainless steel or high-quality plastics offering resistance to corrosion . Operating expenses may include maintenance costs due to potential scaling or fouling. Durability and accuracy are critical, as these valves must maintain precise control over extended periods. Replacement and maintenance costs should also be factored in, as regular upkeep is necessary to prevent operational issues .
from Ideal Valve Inc.
For extremely precise control of larger flows, very precise repeatability [See More]
- Valve Type: Needle; Control Valve; Hydraulic; Metering; Mixing; Sampling; Shut Off; Anti-Siphon
- Maximum Pressure: 3000.00
- Valve Size: 0.12
- Number of Ports: 2
from HydraForce, Inc.
A proportional solenoid-operated, 2-way, poppet-type, normally closed, screw-in hydraulic cartridge valve for low-leakage blocking and load-holding applications. [See More]
- Valve Type: Cartridge; Poppet; Directional; Hydraulic; Metering; Pilot
- Maximum Pressure: 3625.94
- Valve Size: 0.75 to 1.00
- Number of Ports: 2
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ CC Series metering valve is rated to 10,000 PSIG [690 bar] and contains a non-rotating stem to reduce seat and stem wear. The valve features over 20 turns from shut-off to full open and a Cv=.00005 and .00125, providing excellent flow control. Ideal for use in injection systems,... [See More]
- Valve Type: Angle; Hydraulic; Metering
- Maximum Pressure: 10000.00
- Valve Size: 0.06 to 0.25
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Solenoid; Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Pilot; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 0.31
- Number of Ports: 3
from Prince Manufacturing Corp.
FUNCTION. The PRINCE valve is a pressure compensated adjustable flow control valve. By rotating the handle, the flow out the “CF ”, or controlled flow port, can be varied from approximately 0 to the maximum controlled flow shown in the chart below. Any remaining flow is bypassed to the... [See More]
- Valve Type: Spool; Hydraulic; Metering
- Maximum Pressure: 3000.00
- Valve Size: 0.38
- Number of Ports: 3
from HydraForce, Inc.
Multiple function in a single cavity. Low bleed fl ow throughout the operating pressure range. High system effi ciency. Industry common cavity [See More]
- Valve Type: Cartridge; Needle; Spool; Hydraulic; Metering; Pilot
- Number of Ports: 3
- Maximum Pressure: 0.00 to 3000.00
- Positions: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Solenoid; Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Pilot; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 0.31
- Number of Ports: 3
from Prince Manufacturing Corp.
FUNCTION. The PRINCE valve is a pressure compensated adjustable flow control valve. By rotating the handle, the flow out the “CF ”, or controlled flow port, can be varied from approximately 0 to the maximum controlled flow shown in the chart below. Any remaining flow is bypassed to the... [See More]
- Valve Type: Spool; Hydraulic; Metering
- Maximum Pressure: 3000.00
- Valve Size: 0.38
- Number of Ports: 3
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 580.15
- Valve Size: 3.94
- Number of Ports: 2
from Prince Manufacturing Corp.
FUNCTION. The PRINCE model RD-400 is a constant volume priority divider. It can be used in applications where two circuits are to be supplied by a single pump such as power steering systems. In operation the flow of oil supplied to the inlet is divided into two flows, the priority flow and the... [See More]
- Valve Type: Spool; Hydraulic; Metering
- Maximum Pressure: 3000.00
- Valve Size: 0.38 to 0.75
- Number of Ports: 3
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 580.15
- Valve Size: 4.92
- Number of Ports: 2
from Prince Manufacturing Corp.
FUNCTION. The PRINCE model RD-500 is an adjustable constant volume priority divider. This valve provides the same function as the PRINCE model RD-400 except the priority flow is adjustable from 2 GPM to 12 GPM. The priority flow is set using the adjusting screw and is then locked in place to... [See More]
- Valve Type: Spool; Hydraulic; Metering
- Maximum Pressure: 3000.00
- Valve Size: 0.38
- Number of Ports: 3
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 2.56
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 3.15
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 580.15
- Valve Size: 3.94
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 580.15
- Valve Size: 4.92
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 2.56
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 3.15
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 0.59
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 0.79
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 0.98
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 1.26
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 1.57
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 1.97
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 1500.00
- Valve Size: 0.39
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 3.94
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 2/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 4.92
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced 3/2 way externally controlled coaxial valves, normally closed and normally open versions. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, coolant. Body Materials: aluminum, brass, galvanized steel, nickel plated brass, nickel plated... [See More]
- Valve Type: Balancing; Control Valve; Diverter; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 960.00
- Valve Size: 0.39
- Number of Ports: 3
from co-ax valves inc.
Function: pressure balanced 2/2 or 3/2 way cartridge valves externally controlled or direct acting, normally closed version. Media: gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, abrasive. Body Materials: aluminum, brass, stainless steel. Options: valve body, limit switches,... [See More]
- Valve Type: Cartridge; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 750.00
- Valve Size: 0.39
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]
- Valve Type: Control Valve; Hydraulic; Metering; Regulator; Relief; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 600.00
- Valve Size: 1.26
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]
- Valve Type: Control Valve; Hydraulic; Metering; Regulator; Relief; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 145.04 to 2900.75
- Valve Size: 0.31
- Number of Ports: 2
from co-ax valves inc.
Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]
- Valve Type: Control Valve; Diverter; Hydraulic; Metering; Regulator; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 72.52 to 1450.38
- Valve Size: 0.59
- Number of Ports: 3
from co-ax valves inc.
Function: pressure balanced 2/2 or 3/2 way coaxial valves externally controlled or pneumatically controlled, normally closed versions. Media: gaseous, liquid, highly viscous, gelatinous, pasty, contaminated. Body Materials: brass, nickel plated brass, stainless steel. Options: special flanges, limit... [See More]
- Valve Type: Bellows; Control Valve; Drain; Hydraulic; Metering; Mixing; Sampling; Shut Off; Underwater (optional feature); Coaxial Valve
- Maximum Pressure: 0.00 to 375.00
- Valve Size: 0.39
- Number of Ports: 2