Compression Fitting Air Valves
Description
Compression fitting air valves are components used to control the flow of air within a system. They utilize compression fittings to create a secure and leak-tight connection between the valve and the piping or tubing. These valves are designed to manage air flow efficiently, ensuring that the system operates smoothly and effectively.
Working Principle
Compression fitting air valves operate by using compressive force to create a seal between the valve and the connected tubing. The valve assembly typically includes a compression nut, ferrules, and a fitting body. When the nut is tightened, it forces the ferrule into the fitting body, which compresses the ferrule against the tubing. This radial compression forms a leak-tight seal, allowing the valve to control the air flow precisely. These valves are particularly useful because they do not require external power to operate, as they use the system fluid to position the valve, making them self-actuated and energy-efficient .
Applications
Compression fitting air valves are used in a variety of applications where precise control of air flow is necessary. Specific examples include:
- High-pressure systems such as those found in aerospace applications, where the integrity of the ferrule seal is crucial for maintaining system pressure .
- Laboratory instruments that require sterile and low out-gassing properties, making stainless steel compression fittings an attractive choice .
- Systems involving high-pressure bottled gases like CO2, where robust components are needed to handle the pressure .
Advantages over other Air Valves
Compression fitting air valves offer several advantages over other types of air valves:
- They provide a strong, high-pressure connection without the need for special tools, making them convenient for quick installations .
- They are capable of handling high pressures, with some models rated to withstand pressures in excess of 10,000 psig, which is beneficial in demanding applications .
- The use of compression fittings allows for easy connection to both metallic and hard plastic tubing, offering versatility in various system designs .
Limitations
Despite their advantages, compression fitting air valves have some limitations:
- The success of the seal depends heavily on the design of the fitting and ferrule, as well as the installation procedure. Improper installation can lead to leaks or system failures .
- They may not be suitable for applications involving soft tubing, as the compression force required to create a seal could damage the tubing .
Considerations
When selecting compression fitting air valves, several factors should be considered:
- Initial Costs: The cost of compression fitting air valves can vary depending on the materials used and the pressure ratings required. Stainless steel options may be more expensive but offer better durability and corrosion resistance .
- Operating Expense: These valves are generally low-maintenance due to their self-actuated nature, which can reduce operating expenses over time .
- Durability and Maintenance: The durability of the valve depends on the materials used and the operating conditions. Regular maintenance checks are recommended to ensure the integrity of the seal and the overall performance of the system .
- Accuracy: The precision of air flow control is a key advantage of these valves, making them suitable for applications requiring accurate flow regulation .
Overall, compression fitting air valves are a reliable choice for many industrial and laboratory applications, offering a balance of performance, convenience, and cost-effectiveness.
from Beswick Engineering Co., Inc.
The needle valve is an adjustable orifice, which can be used to control flow rates, mini-cylinders, nozzles, timing circuits, filling heads, bleed vents, and in many other applications. The adjusted flow remains stable even during temperature fluctuations as the needle and valve seat are both... [See More]
- Connection Description: Threaded; Compression
- Maximum Pressure: 500.00
- Valve Type: Needle
from Haskel International LLC
For use in high-pressure fluid and gas systems to pressures up to 100,000 psi (6,900 bar). [See More]
- Connection Description: Compression
- Maximum Pressure: 100000.00
- Valve Type: Ball
from DigiKey
LOGIC AND Logic Element Free Hanging (In-Line) [See More]
- Connection Description: Compression
- Valve Size: 0.24
- Valve Type: Logic Element
- Maximum Pressure: 30.00 to 116.00
from ThermOmegaTech®
Product Description. Number of Outlets: Single Outlet. Type of Fittings for TV/SC-A: Parker or Swagelok. Type of Extension: Stainless Steel. There are literally hundreds of applications for these compact, self-contained, automatic control valves. These ambient sensing valves can be used to turn on... [See More]
- Connection Description: Compression; Tube Fitting; 3/8", 1/2" Tubing
- Valve Size: 0.38 to 0.50
- Valve Type: Control Valve
- Flow (Cv): 0.50 to 0.90
from Haskel International LLC
Space-saving valves eliminate the need for large complicated multi-valve systems. [See More]
- Connection Description: Compression
- Maximum Pressure: 20000.00
- Valve Type: Ball
from DigiKey
Pressure Operated Vacuum Generator Free Hanging (In-Line) [See More]
- Connection Description: Compression
- Valve Size: 0.24
- Valve Type: Vacuum Generator
- Maximum Pressure: 30.00 to 116.00
from ThermOmegaTech®
Product Description. The TV/SC-I assures accurate temperature control in an instrument or analyzer enclosure. It ’s a reliable, economical alternative to costly, hazardous electric heating. This self-contained compact thermostatic control valve senses enclosure temperature and automatically... [See More]
- Connection Description: Compression; Tube Fitting; 3/8", 1/2" Tubing
- Valve Size: 0.38 to 0.50
- Valve Type: Control Valve
- Flow (Cv): 0.50 to 0.90
from Haskel International LLC
Manual operation at pressures to 15,000 psi (10,340 bar), in temperatures ranging -423 ° to +1200 °F (-253 ° to +648 °C). 1/8 ″ to 1 ″ ANPT pipe. [See More]
- Connection Description: Compression
- Actuation: Manual
- Valve Type: Needle
from DigiKey
3/2 Normally Closed Position Detector Lever, Roller Chassis Mount [See More]
- Connection Description: Compression
- Valve Size: 0.24
- Valve Type: Position Detector
- Maximum Pressure: 1.00 to 116.00
from ThermOmegaTech®
Product Description. Number of Outlets: Single Outlet. Type of Fittings for TV/SC-I: Parker or Swagelok. Type of Extension: Stainless Steel. The TV/SC-IR assures accurate temperature control in an instrument or analyzer enclosure. It ’s a reliable, economical alternative to costly, hazardous... [See More]
- Connection Description: Compression; Tube Fitting; 3/8", 1/2" Tubing
- Valve Size: 0.38 to 0.50
- Valve Type: Control Valve
- Flow (Cv): 0.50 to 0.90
from Haskel International LLC
Coned and threaded, fail safe operation at pressures to 150,000 psi (10,340 bar) and temperatures from -423 ° to +1200 °F (-253 ° to +648 °C). [See More]
- Connection Description: Compression
- Actuation: Manual
- Valve Type: Needle
from DigiKey
3/2 Normally Open Position Detector Lever, Roller Chassis Mount [See More]
- Connection Description: Compression
- Valve Size: 0.24
- Valve Type: Position Detector
- Maximum Pressure: 1.00 to 116.00
from ThermOmegaTech®
Product Description. TV/HAT valves are ideal for use in conjunction with tracer tubing and tracing systems using pre-traced tubing bundles. These valves are optimal for replacing conventional steam traps on winterization tracing, instrument tracing, condensate return system freeze protection,... [See More]
- Connection Description: Compression; Tube Fitting; 1/4", 3/8", 1/2" Tubing
- Valve Size: 0.25 to 0.50
- Valve Type: Control Valve; Drain; Hydraulic; Safety; Shut Off
- Flow (Cv): 0.50
from Haskel International LLC
Featuring a repeatable pressure release design for pressures up to 20,000 psi (1,380 bar). [See More]
- Connection Description: Compression
- Valve Size: 0.75
- Valve Type: Relief
- Maximum Pressure: 1500.00 to 20000.00
from ThermOmegaTech®
Product Description. These compact self-contained control valves can be used to control cooling media to economically remove heat from equipment or a process. Controlling air flow to a vortex cooling device is a common application. Another common application is use of the TV/US-XR to control cooling... [See More]
- Connection Description: Compression; Tube Fitting; 3/8", 1/2" Tubing
- Valve Size: 0.38 to 0.50
- Valve Type: Control Valve
- Flow (Cv): 0.50 to 0.90
from Haskel International LLC
Long-life, maintenance free valves meet performance, safety and reliability expectations in the deepest water and the harshest offshore environments. [See More]
- Connection Description: Compression
- Actuation: Manual
- Valve Type: Ball
from ThermOmegaTech®
Product Description. These compact self-contained control valves can maintain very tight temperature control of any number of control loops using steam, liquid phase heat transfer media such as Dowtherm ®, hot water, hot oil, glycol, compressed air, etc. In general they can be used whenever... [See More]
- Connection Description: Compression; Tube Fitting; 3/8", 1/2" Tubing
- Valve Size: 0.38 to 0.50
- Valve Type: Control Valve
- Flow (Cv): 0.50 to 0.90
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ single stage adjustable pressure regulator according to DIN EN ISO 10524-4 for the reduction of pressurised medical gases. CE-mark according to the Medical Device Directive 2007/47/EC. It can be connected to a Central Gas Supply System (Flow Switch). This product is available in... [See More]
- Connection Description: Compression
- Valve Size: 0.47
- Valve Type: Regulator
- Maximum Pressure: 0.00 to 203.05
from Check-All Valve Mfg. Co.
The Straight Sided Insert is a thread less check valve. designed to be inserted into any cavity where a check valve is needed and threads are not desired. Available Materials: 316 Stainless Steel (SS). Carbon Steel (CS). Alloy 20 (A2). Alloy C-276 (HC). Brass (BR). Alloy B (HB). MONEL ® (MO) [See More]
- Connection Description: Compression; Face Seal (optional feature); 5-23/64" O.D. Flange
- Valve Size: 0.50
- Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
- Flow (Cv): 2.40
from Alfa Laval Inc.
For applications with very large particles or highly viscous fluids, this valve offers the same basic advantages as Unique mixproof valves but are specially designed with large openings up to 45 mm in diameter. Cost effective mixproof valve. Alfa Laval Unique mixproof valves feature two independent... [See More]
- Connection Description: Compression
- Maximum Pressure: 0.00 to 145.04
- Valve Type: Double Seat Valve
- Media Temperature: 23 to 257
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]
- Connection Description: Compression
- Valve Size: 0.09 to 0.69
- Valve Type: Needle
- Flow (Cv): 0.12 to 4.40
from DK-LOK U.S.A.
Up to 6000 psig (413bar). Up to 204 ℃ (400 ℉). ss316. O-ring seal blow-out proof design. DK-LOK OD 1/8 - OD1 inch. Pipe thread 1/8 - 1" [See More]
- Connection Description: Compression; 1/8" Dk-Lok
- Flow (Cv): 0.67
- Valve Type: Check; Lift Check
- Maximum Pressure: 6000.00
from Deltrol Controls/Division of Deltrol Corp.
The DSV28N-NC-D from Deltrol Controls is a miniature 2-way, normally closed, dry plunger solenoid valve. It is ideal for applications where it is necessary to separate the media from the solenoid plunger. Electrical Specifications. Coil Voltages: 24, 100, 120, 200, 240 VAC | 12, 24, 36 VDC. Coil... [See More]
- Connection Description: Compression; 6mm or 1/4" Port Quick Connect
- Valve Size: 0.24 to 0.31
- Valve Type: Solenoid; Control Valve
- Maximum Pressure: 0.00 to 60.00
from Vogtlin Massflow USA
M-flow micro valves were developed for fine dosages of gases and liquids. They are an integrated constituent of the float-rotameters by V ögtlin and are often used as separate valve units for OEM applications. – Compact, modular construction. – Very smooth and accurate adjustement. [See More]
- Connection Description: Threaded; Compression
- Valve Size: 0.25 to 1.00
- Valve Type: Control Valve
- Maximum Pressure: 290.08
from OMEGA Engineering, Inc.
The FSV10 Series electronic proportioning solenoid valves can control the flow of a wide variety of gases and liquids. The variablestroke electromagnetic valve is pulsed by the driver electronics, maintaining the correct magnetic flux level in the solenoid and holding flow at the level of the analog... [See More]
- Connection Description: Compression; 1/4" Compression Fitting
- Valve Size: 0.02 to 0.12
- Valve Type: Solenoid; Control Valve
- Flow (Cv): 0.01 to 0.24
from Pneumadyne, Inc.
Cost effective, space saving solution for the use of single or multiple valves. A wide variety of connector, electrical and mounting options are available to accommodate numerous applications. Convenient Line & 90 ° Connectors (both with LED) provide quick electrical connection when used in... [See More]
- Connection Description: Compression; Tube Fitting; Input: 1/4 Push-in, Output: 10-32 F
- Valve Size: 0.19 to 0.25
- Valve Type: Poppet; Control Valve; Directional
- Flow (Cv): 0.24
from ASCO
Regulations that restrict lead content in devices used for potable water are becoming more common, presenting new design issues for OEMs. That's why ASCO gives OEMs the choice of using lead-free brass, composite, or stainless steel constructions. The 260 and 360 series from ASCO offer lead-free... [See More]
- Connection Description: Compression
- Valve Size: 0.12 to 0.25
- Valve Type: Solenoid
- Flow (Cv): 0.09 to 0.43
from Alfa Laval Inc.
Same basic advantages as the unique mixproof valves but specially designed for mounting directly on the tank wall at the inlets and outlets. For tank inlet and outlet applications, the Unique mixproof tank outlet (TO) valve offers full drainability and provides cleanability all the way up to the... [See More]
- Connection Description: Compression
- Valve Size: 51.00 to 101.60
- Valve Type: Double Seat Valve
- Maximum Pressure: 0.00 to 145.00
from DK-LOK U.S.A.
Up to 6000 psig (413bar). Up to 204 ℃ (400 ℉). ss316. O-ring seal blow-out proof design. DK-LOK OD 1/8 - OD1 inch. Pipe thread 1/8 - 1" [See More]
- Connection Description: Compression; 1/2" Dk-Lok
- Flow (Cv): 1.80
- Valve Type: Check; Lift Check
- Maximum Pressure: 6000.00
from Deltrol Controls/Division of Deltrol Corp.
The DSV28N-NC-W from Deltrol Controls is a miniature 2-way, normally closed, wet plunger solenoid valve. It is ideal for applications where it is not necessary to separate the media from the solenoid plunger. Electrical Specifications. Coil Voltages: 24, 100, 120, 200, 240 VAC | 12, 24, 36 VDC. Coil... [See More]
- Connection Description: Compression; 6mm or 1/4" Port Quick Connect
- Valve Size: 0.24 to 0.31
- Valve Type: Solenoid; Control Valve
- Maximum Pressure: 0.00 to 120.00
from Vogtlin Massflow USA
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.On-the-fly switching... [See More]
- Connection Description: Threaded; Compression; Tube Fitting; Face Seal; Swagelok, VCR, VCO, Push-in
- Valve Size: 0.50
- Valve Type: Regulator; Control Valve
- Flow (Cv): 0.00 to 1.00
from Pneumadyne, Inc.
Pneumadyne's "0" & "11" Series Pressure Regulators are used to maintain a preset downstream pressure. Relieving and non-relieving styles are available to accommodate application requirements. To ease regulator installation, porting options include 10-32 UNF, 1/8 NPT, barbs and push-in... [See More]
- Connection Description: Threaded; Compression; Input: 1/8 NPT, Output: 10-32 F
- Valve Size: 0.12 to 0.19
- Valve Type: Regulator; Control Valve; Directional
- Flow (Cv): 0.29
from ASCO
Regulations that restrict lead content in devices used for potable water are becoming more common, presenting new design issues for OEMs. That's why ASCO gives OEMs the choice of using lead-free brass, composite, or stainless steel constructions. The 260 and 360 series from ASCO offer lead-free... [See More]
- Connection Description: Compression
- Valve Size: 0.14 to 0.31
- Valve Type: Solenoid
- Flow (Cv): 0.07 to 0.16
from Alfa Laval Inc.
Ideal for handling sanitary process flows through matrix piping systems, SMP mixproof valves are standardized, cost-effective alternatives to Unique mixproof valves. Economic mixproof valves. Alfa Laval offers two double-seal mixproof valves: The Alfa Laval SMP-BC and the aseptic version, SMP-BCA. [See More]
- Connection Description: Compression
- Valve Size: 1.50 to 4.00
- Valve Type: Seat Valve
- Maximum Pressure: 0.00 to 145.00
from Deltrol Controls/Division of Deltrol Corp.
The DSV28N-NO-W from Deltrol Controls is a miniature 2-way, normally open, dry plunger solenoid valve. It is ideal for applications where it is necessary to separate the media from the solenoid plunger. Electrical Specifications. Coil Voltages: 12, 24, 36 VDC. Coil Power: 7 Watts. Coil Terminals:... [See More]
- Connection Description: Compression; 6mm or 1/4" Port Quick Connect
- Valve Size: 0.24 to 0.31
- Valve Type: Solenoid; Control Valve
- Maximum Pressure: 0.00 to 60.00
from Vogtlin Massflow USA
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.On-the-fly switching... [See More]
- Connection Description: Threaded; Compression; Tube Fitting; Face Seal; Swagelok, VCR, VCO, Push-in
- Valve Size: 0.50
- Valve Type: Regulator; Control Valve
- Flow (Cv): 0.00 to 1.00
from Deltrol Controls/Division of Deltrol Corp.
The DSV28N-NC-S from Deltrol Controls is a miniature 2-way, normally closed, wet plunger solenoid valve. It is designed to control the flow of steam in beverage equipment applications. Electrical Specifications. Coil Voltages: 12, 24, 36 VDC. Coil Power: 7 Watts. Coil Terminals: 0.25" QC spade... [See More]
- Connection Description: Compression; 6mm or 1/4" Port Quick Connect
- Valve Size: 0.24 to 0.31
- Valve Type: Solenoid; Control Valve
- Maximum Pressure: 0.00 to 44.00
from Vogtlin Massflow USA
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.On-the-fly switching... [See More]
- Connection Description: Threaded; Compression; Tube Fitting; Face Seal; Swagelok, VCR, VCO, Push-in
- Valve Size: 0.25
- Valve Type: Regulator; Control Valve
- Flow (Cv): 0.00 to 1.00
from Deltrol Controls/Division of Deltrol Corp.
The DPV1N proportional valve from Deltrol Controls allows the flow rate of fluid passing through the valve to be adjusted anywhere between fully off to fully open. To accomplish this, the power to the solenoid coil is adjusted via PWM control to open the valve more or less. Devices such as... [See More]
- Connection Description: Compression
- Valve Size: 0.25 to 0.31
- Valve Type: Solenoid; Control Valve
- Maximum Pressure: 40.00 to 90.00
from Vogtlin Massflow USA
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.On-the-fly switching... [See More]
- Connection Description: Threaded; Compression; Tube Fitting; Face Seal; Swagelok, VCR, VCO, Push-in
- Valve Size: 0.25
- Valve Type: Regulator; Control Valve
- Flow (Cv): 0.00 to 1.00
from Vogtlin Massflow USA
The new electronic red-y smart pressure controllers combine the reliable technology our of thermal mass flow controllers with electronic pressure control.The devices automatically control a predefined process pressure and at the same time measure and/or limit the flow rate.On-the-fly switching... [See More]
- Connection Description: Threaded; Compression; Tube Fitting; Face Seal; Swagelok, VCR, VCO, Push-in
- Valve Size: 0.50
- Valve Type: Regulator; Control Valve
- Flow (Cv): 0.00 to 1.00