Metering Valves Air Valves
Description
Metering valves, specifically air valves, are designed to control the flow of air through a system. They regulate the rate at which air is allowed to pass through, ensuring precise control over the flow rate. This is crucial in applications where maintaining a specific air flow is necessary for optimal performance.
Working Principle
The working principle of metering valves involves the movement of a valve stem, which adjusts the flow of air by restricting or allowing passage through the valve. This can be achieved through various mechanisms, such as moving a disc or plug into or against an orifice, or using rotary motion to rotate a disc or ellipse about a shaft. These valves are useful because they provide precise control over air flow, which is essential for maintaining system stability and efficiency. The ability to meter flow accurately ensures that systems operate within their designed parameters, preventing issues such as over-pressurization or insufficient flow.
Applications
Metering valves are used in a variety of specific applications. For example, they are employed in HVAC systems to control the flow of air for heating and cooling purposes. They are also used in industrial processes where precise air flow control is necessary, such as in pneumatic systems that power machinery or in chemical processing where air flow must be regulated to ensure proper reactions.
Advantages over other Air Valves
Metering valves offer several advantages over other types of air valves. They provide more precise control over flow rates compared to valves like ball or butterfly valves, which are typically used for on/off control rather than fine adjustments. This precision makes metering valves ideal for applications where exact flow control is critical.
Limitations
One limitation of metering valves is that they may not be suitable for applications requiring rapid changes in flow rate, as their design is optimized for precise control rather than quick adjustments. Additionally, they may not be the best choice for applications involving highly viscous or particulate-laden fluids, as these can affect the valve's ability to maintain accurate flow control.
Considerations
When selecting metering valves, several considerations should be taken into account. Initial costs can vary depending on the complexity and materials of the valve. Operating expenses may include energy costs for actuated valves and maintenance costs for ensuring the valve remains in good working condition. Durability is an important factor, as valves must withstand the operating conditions of the system, including pressure and temperature variations. Accuracy in flow control is a key benefit of metering valves, but it requires regular calibration and maintenance to ensure performance. Replacement and maintenance costs should also be considered, as these can impact the overall cost of ownership over the valve's lifespan.
from Sierra Instruments, Inc.
The RedyCompact mass flow meters and regulators offers users a valuable digital upgrade to mechanical rotameters. A true thermal mass flow meter, RedyCompact is for those that want the highest accuracy and repeatability and need a drop-in replacement for a Rotameter. Battery powered, with a large... [See More]
- Valve Type: Metering
- Media Temperature: 32 to 122
- Maximum Pressure: 3.00 to 160.00
- Connection Description: Process Connection: G¼" (BSPP* female) up to 64 SLPM, G½" (BSPP* female) up to 480 SLPM
from FITOK GmbH
Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]
- Valve Type: Metering
- Flow (Cv): 0.04
- Valve Size: 0.06
- Maximum Pressure: 15000.00 to 60000.00
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
- Flow (Cv): 0.00
- Valve Size: 0.06 to 0.25
- Maximum Pressure: 10000.00
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
- Flow (Cv): 0.38
- Valve Size: 0.12
- Maximum Pressure: 3000.00
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: Injection; Pilot; Solenoid; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 1.80
- Valve Size: 0.31
- Maximum Pressure: 0.00 to 600.00
from FITOK GmbH
Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]
- Valve Type: Metering
- Flow (Cv): 0.00 to 0.15
- Valve Size: 0.03 to 0.13
- Maximum Pressure: 1000.00 to 5000.00
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: Injection; Pilot; Solenoid; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 1.80
- Valve Size: 0.31
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 248.55
- Valve Size: 3.94
- Maximum Pressure: 0.00 to 580.15
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 262.42
- Valve Size: 4.92
- Maximum Pressure: 0.00 to 580.15
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 124.10
- Valve Size: 2.56
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 154.20
- Valve Size: 3.15
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 223.12
- Valve Size: 3.94
- Maximum Pressure: 0.00 to 580.15
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 255.49
- Valve Size: 4.92
- Maximum Pressure: 0.00 to 580.15
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 113.60
- Valve Size: 2.56
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 141.50
- Valve Size: 3.15
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 6.60
- Valve Size: 0.59
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 10.20
- Valve Size: 0.79
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 15.40
- Valve Size: 0.98
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 23.20
- Valve Size: 1.26
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 35.90
- Valve Size: 1.57
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 49.80
- Valve Size: 1.97
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 2.90
- Valve Size: 0.39
- Maximum Pressure: 0.00 to 1500.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 162.40
- Valve Size: 3.94
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 229.60
- Valve Size: 4.92
- Maximum Pressure: 0.00 to 600.00
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: Injection; Control Valve; Diverter; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 2.90
- Valve Size: 0.39
- Maximum Pressure: 0.00 to 960.00
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: Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 3.40
- Valve Size: 0.39
- Maximum Pressure: 0.00 to 750.00
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: Regulator; Control Valve; Hydraulic; Metering; Relief; Coaxial Valve
- Flow (Cv): 0.00 to 28.10
- Valve Size: 1.26
- Maximum Pressure: 0.00 to 600.00
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: Regulator; Control Valve; Hydraulic; Metering; Relief; Coaxial Valve
- Flow (Cv): 0.00 to 1.20
- Valve Size: 0.31
- Maximum Pressure: 145.04 to 2900.75
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: Regulator; Control Valve; Diverter; Hydraulic; Metering; Coaxial Valve
- Flow (Cv): 0.00 to 6.90
- Valve Size: 0.59
- Maximum Pressure: 72.52 to 1450.38
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; Injection; Control Valve; Drain; Hydraulic; Metering; Mixing; Sampling; Shut Off; Coaxial Valve
- Flow (Cv): 0.00 to 3.40
- Valve Size: 0.39
- Maximum Pressure: 0.00 to 375.00