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Supplier: Clippard
Description: Clippard’s NPP Series 2-Way pneumatic pinch valves are air-piloted devices designed to open or close tubes for controlling flow of liquids and gases. Other valve types have internal passages that may cause small amounts of fluid to remain in the valve. Pinch valves
- Actuation: Pneumatic
- Features: Normally Open (Open Center), Normally Closed (Closed Center)
- Media Description: Water (General)
- Media Temperature: 32 to 230 F
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Supplier: Radwell International
Description: PNEUMATIC VALVE CONTROL, 3/8 INCH NPT, 4-WAY, 3-POSITION, DETENT, CLOSED CENTER. FREE 2 YEAR RADWELL WARRANTY
- Actuation: Pneumatic
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Supplier: Radwell International
Description: VALVE, HF03 SERIES, 5/3 CLOSED CENTER, PNEUMATIC, DIRECTIONAL CONTROL, 0.35 WATT, 24 VDC. FREE 2 YEAR RADWELL WARRANTY
- Actuation: Pneumatic
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Supplier: Radwell International
Description: PNEUMATIC VALVE, L2 SERIES, 3/8 INCH NPTF PORTS, DOUBLE SOLENOID PILOT, W/ FLUSH LOCKING OVERRIDE, 3 POSITION, 4-WAY CLOSED CENTER, 110-120/50-60 VAC, LINE MOUNTED, DIN PLUG-IN AC SOLENOID. FREE 2 YEAR RADWELL WARRANTY
- Actuation: Pneumatic
- Valve Type: Pilot Valves, Plug Valves, Solenoid Valves
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Supplier: Radwell International
Description: PILOT VALVE, PLUG IN, 24 VDC, 1 WATT, 3 POSITION CLOSED CENTER, RUBBER SEAL. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pilot Valves, Plug Valves
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Supplier: KSB AG
Description: Centered disc butterfly valve with elastomer liner (EPDM XC or Nitrile K). With pneumatic actuator. Semi-lug type body (T2), full-lug type body (T4), U-section body with flat faces (T5). Body types T2, T4 and T5 are suitable for downstream dismantling and dead-end service.
- Actuation: Pneumatic
- Media: Water, Gas, Other
- Media Temperature: 14 to 230 F
- Number of Ports/Ways: 2
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Description: TESCOM™ VA and VG Series are air operated valves offering normally open/normally closed capabilities, operating pressures of 6000, 10000 and 15000 PSIG [413, 690, 1034 bar], very high cycle life and optional integrated solenoid valve. Suitable for liquid and gas applications,
- Actuation: Electric, Pneumatic
- Connection: Threaded
- Features: Single Solenoid, Normally Open (Open Center), Normally Closed (Closed Center)
- Media Description: Water (General)
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Supplier: Pneumadyne, Inc.
Description: The 3-Position Toggle Valve offers the highest flow rate of the Pneumadyne valve line. This dual function product contains two valves in one body with a common input and common exhaust. The 2-Way high flow valves (C042803 & C042903) feature a red anodized body for easy
- Actuation: Manual / Hand, Other
- Connection: Threaded
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
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Supplier: AAA Products International, Inc.
Description: 3-position, double pilot, spring centered, closed center spool. Spool centers when pilot pressure is removed from both ports. See other spools on page 50.
- Actuation: Pneumatic
- Connection: Threaded
- Flow (Cv): 1.95
- Pressure Rating: 250 psi
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Supplier: Clippard
Description: 2-Way Air-Piloted Valve
- Actuation: Manual / Hand, Mechanical Device, Pilot Operated, Pneumatic
- Connection: Threaded
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
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Supplier: Beswick Engineering Co., Inc.
Description: The Beswick miniature stem actuated on/off valve is available in normally opened or normally closed configurations. A 3 way normally closed configuration, allows downstream pressure to vent to atmosphere when the valve is off, is also available. This valve is
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Supplier: Clippard
Description: 2-Way Air-Piloted Valve, with Male 1/8" NPT Inlet
- Actuation: Pilot Operated, Pneumatic
- Connection: Threaded
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
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Supplier: Curtiss-Wright, Valve Group
Description: Responds to standard plant control signals, throttling flow to meet exact plant requirements. This technology is particularly well suited for emergency applications where a dependable and/or safety-grade pneumatic supply (required for traditional air-operated control valves) can not be
- Connection: Threaded
- Features: Normally Open (Open Center), Normally Closed (Closed Center)
- Media Description: Water (General)
- Pressure Rating: 2500 psi
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Supplier: A. u. K. Müller GmbH & Co. KG
Description: 14.025.126 series water inlet valves are 2/2-way solenoid valves with an orifice size of 25 mm. They have been developed to control potable water and physically and chemically similar media. They are servo-controlled and normally closed (NC). Valves of this design are
- Actuation: Electro-pneumatic
- Connection: Threaded
- Features: Single Solenoid, Normally Closed (Closed Center)
- Media Description: Water (General), Hot Water, Cold Water
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Supplier: A. u. K. Müller GmbH & Co. KG
Description: 2/2-way solenoid valve of nominal diameter DN 13 for use with cold and heated potable water and physically and chemically similar media. The valve is servo-controlled and normally closed (NC). Valves of this design are single chamber straight valves and can be
- Actuation: Electro-pneumatic
- Connection: Threaded
- Features: Single Solenoid, Normally Closed (Closed Center)
- Media Description: Water (General), Hot Water, Cold Water
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Supplier: A. u. K. Müller GmbH & Co. KG
Description: 2/2-way solenoid valve of nominal diameter DN 21 for use with cold and heated potable water and physically and chemically similar media. The valve is servo-controlled and normally closed (NC). Valves of this design are single chamber straight valves. Coil systems
- Actuation: Electro-pneumatic
- Features: Single Solenoid, Normally Closed (Closed Center)
- Media Description: Water (General), Hot Water, Cold Water
- Media Temperature: 194 F
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Supplier: A. u. K. Müller GmbH & Co. KG
Description: 2/2-way solenoid valve of nominal diameter DN 10 for use with cold and heated potable water and physically and chemically similar media. The valve is servo-controlled and normally closed (NC). Valves of this design are single chamber straight valves and can be
- Actuation: Electro-pneumatic
- Connection: Threaded
- Features: Single Solenoid, Normally Closed (Closed Center)
- Media Description: Water (General), Hot Water, Cold Water
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Supplier: G.I.E. Inc.
Description: Air Consumption Because of unique design, air consumption is extremely low— in most instances less than half that of competition. Adjustability In the spring-closed actuator, the adjusting screw provides a convenient means of obtaining valve closure when line
- Actuation: Manual / Hand, Pneumatic
- Connection: Bolt Flange
- Features: Normally Open (Open Center), Normally Closed (Closed Center), Metal Seated
- Media Description: Water (General)
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Supplier: ASCO
Description: • Unique sealing member isolates pilot air pressure from mainline fluid • Variations in pilot air pressure do not affect valve operation • Design provides long life handling of lubricated air • Handle fluids up to 200°F (92°C) • Some constructions handle steam up to 353°F (177°C) • Mountable
- Actuation: Pneumatic
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
- Media Temperature: 180 F
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Supplier: ASCO
Description: • Unique sealing member isolates pilot air pressure from mainline fluid • Variations in pilot air pressure do not affect valve operation • Design provides long life handling of lubricated air • Handle fluids up to 200°F (92°C) • Some constructions handle steam up to 353°F (177°C) • Mountable
- Actuation: Pneumatic
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
- Media Temperature: 180 F
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Supplier: ASCO
Description: • Unique sealing member isolates pilot air pressure from mainline fluid • Variations in pilot air pressure do not affect valve operation • Design provides long life handling of lubricated air • Handle fluids up to 200°F (92°C) • Some constructions handle steam up to 353°F (177°C) • Mountable
- Actuation: Pneumatic
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
- Media Temperature: 200 F
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Supplier: ASCO
Description: • Unique sealing member isolates pilot air pressure from mainline fluid • Variations in pilot air pressure do not affect valve operation • Design provides long life handling of lubricated air • Handle fluids up to 200°F (92°C) • Some constructions handle steam up to 353°F (177°C) • Mountable
- Actuation: Pneumatic
- Features: Normally Closed (Closed Center)
- Media Description: Water (General)
- Media Temperature: 180 F
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Supplier: Beswick Engineering Co., Inc.
Description: Beswick's miniature diaphragm relief valve is an excellent choice for applications requiring a valve which opens on rising pressure. Design offers compactness, light weight and high accuracy and is an outstanding choice for pressure relieving applications from 0 to 80 psig.
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Supplier: G.I.E. Inc.
Description: GIE's broad line of diaphragm valves is widely applied throughout the chemical, food, paper, steel, mining, pharmaceutical, and other process industries wherever positive shut off, non-contamination, or ease of maintenance is required. Available with a wide range of manual and automatic
- Actuation: Manual / Hand, Pneumatic
- Connection: Threaded, Bolt Flange, Butt Weld, Socket Weld / Solder
- Features: Normally Open (Open Center), Normally Closed (Closed Center), Metal Seated
- Media Description: Water (General)
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Supplier: co-ax valves inc.
Description: 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,
- Actuation: Electro-hydraulic, Electro-pneumatic, Pilot Operated, Pneumatic
- Connection: Threaded
- Features: Other, Single Solenoid, Normally Open (Open Center), Normally Closed (Closed Center), Hermetically Sealed, Intrinsically Safe, Metal Seated, Severe Service Rated
- Media Description: Water (General), Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Wastewater, Other
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Supplier: Valcor Engineering Corporation
Description: the flowing media, and as a result provide outstanding life expectance and reliability. Applications The SV323/424 series valves are used primarily for pneumatic and hydraulic actuation of linear and rotary spring return and double acting cylinder actuation
- Actuation: Electric
- Connection: Threaded
- Features: Single Solenoid, Normally Open (Open Center), Normally Closed (Closed Center)
- Media Description: Water (General)
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Supplier: DFT Inc.
Description: ). These basic features enable the valve design to operate smoothly and efficiently at high or low temperature, and/or with fluids containing foreign matter such as slurries. The HI-100 operates in the full open position, the throttling position and the closed position. It is important
- Actuation: Manual / Hand, Mechanical Device, Electric, Electro-hydraulic, Electro-pneumatic, Pneumatic
- Connection: Threaded, Bolt Flange, Clamp Flange, Butt Weld, Socket Weld / Solder, Metal Face Seal
- Features: Normally Open (Open Center), Normally Closed (Closed Center), Metal Seated, Severe Service Rated
- Media Description: Water (General), Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Wastewater
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Supplier: Eaton Hydraulics Group
Description: Platform for customers that require advanced control capabilities Open and closed center options: add-on kit allows CLS to work with both open- and closed-center systems, depending on application requirement 15-degree coil orientation: improved envelope profile and better
- Pressure Rating: 3626 to 5076 psi
- Valve Type: Control Valves
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Supplier: Asahi/America, Inc.
Description: left or right ports or to an OFF position. An optional tee ported ball allows simultaneous left and right flow versatile ball valves with two “branches” and one “leg”. Fluid flow direction is governed by an interchangeable ball in the center of the valve. Because this ball
- Actuation: Manual / Hand
- Connection: Threaded
- Material of Construction: PVC, Polypropylene (PP), PVDF, Other
- Valve Size: 0.5000 to 4 inch
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Supplier: Macnaught USA, Inc.
Description: Macnaught’s M3 DP1-FPM air-operated diaphragm pump features a, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions. – Up to 5 times longer diaphragm life compared to other (AOD Pump) air operated
- Maximum Discharge Flow: 24 GPM
- Power Source: Air / Pneumatic
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Supplier: Macnaught USA, Inc.
Description: Macnaught’s M3 DP1-FPM air-operated diaphragm pump features a, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions. – Up to 5 times longer diaphragm life compared to other (AOD Pump) air operated
- Housing Material: Aluminum
- Maximum Discharge Flow: 24 GPM
- Power Source: Air / Pneumatic
- Type Of Pump: Diaphragm Pumps
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Supplier: R&I Manufacturing Co.
Description: with several options for mounting the gripping fingers. The air operated unit is compact with operation controlled through a four- way air valve. The center or main block provides the fixed support with mounting holes provided on the top and both sides of the block. The unit can be
- Gripper Action: Double Action
- Gripper Actuation: Pneumatic
- Gripper Style: Parallel
- Gripping Force: 147 N
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Supplier: Inductotherm Group
Description: geometric configurations are available upon request. Features Coaxial current furnace design to reduce magnetic stirring within the solidifying ingot X-Y electrode positioning to center the electrode and improve ingot quality Closed loop economizer cooling
- Application: Foundry / Melting
- Atmosphere: Vacuum
- Width / Tube O.D.: 1050 to 6000 mm
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configurations with single or double solenoids and 5-way, 3-position, double solenoid valves with a center-pressure, center-closed, or center-exhaust configuration. Stand-alone bases and manifold components with a side or bottom orientation and NPT or G-thread ports are also offered (read more)
Browse Solenoid Valves Datasheets for Automationdirect.com -
disc is closed by the spring assist on the valve as the forward velocity of the fluid slows. Coupled with the relatively short distance the disc must travel, by the time the forward velocity of the liquid reaches zero, the valve disc would already have reached the seat, and the valve will have (read more)
Browse Check Valves Datasheets for DFT Inc. -
Product Features • Bi-directional flow (fully opened or fully closed) • Directional handle indicating on-off position • Allow for panel mounting • Single piece ball stem to eliminate backlash • One piece body to eliminate multiple (read more)
Browse Ball Valves Datasheets for Shenzhen Jewellok Technology Co., Ltd. -
ACCESSORIES: In addition to cylinders pneumatic accessories such as valve plates or foot pedals are also manufactured. Accessory customization is also available per customer request. JOB ORDER PRODUCTION: Milling and turning of different kind of metals are offered (read more)
Browse Air Cylinders Datasheets for Bansbach Easylift® -
temperature has fallen to the factory-specified set-point of 35°F (1.7°C), the valve will automatically modulate open to bleed off the cold water. Once warmer water backfills and the temperature in the line rises above 40°F (4.4°C), the valve will modulate closed again (read more)
Browse Drain Valves Datasheets for ThermOmegaTech® -
explosion hazard. They are available in either side- or top-mounting configurations for closed or vented vessels. Unique Design Allows Lower Cost of Operation In the O’Keefe Controls Co. Pneumatic Float Valve, the level sensor and pneumatic output valve are (read more)
Browse Liquid Level Sensors Datasheets for O'Keefe Controls Co. -
working pressures range from 5145 to 7350 PSI. Like all Bonomi valves, they are 100% tested to rated pressure in the open and closed position before shipping. While a lever handle is standard, an integral ISO 5211 mounting pad simplifies actuation on the new valves (read more)
Browse Ball Valves Datasheets for Bonomi North America, Inc. -
to a fully closed position, protecting the plants. For more information on Plastomatic's pneumatically or hydraulically actuated Series ABVS, actuated ball valve, please click here. (read more)
Browse Air Valves Datasheets for Plast-O-Matic Valves, Inc. -
factory and process automation. The VZWP are 2/2-way valves, normally closed and are piloted piston poppet valves. Units are made of brass valves and customers have a choice of nitrile rubber and fluoro elastomer seals. The valves (read more)
Browse Solenoid Valves Datasheets for Festo Corporation -
The new Festo solenoid valve VZWD can switch at any pressure from 0 to 90 bar without differential pressure - even in closed media circuits. This new valve is ideal for high pressure and dosing applications. It can be operated with water, air, and neutral media. These units operate (read more)
Browse Solenoid Valves Datasheets for Festo Corporation
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Adaptive flight control surfaces, wings, rotors, and active aerodynamics
Berry, Roger P., "Design and Development of a Closed Center Valve Pneumatic Actuator for the Fiber Optic Guided Missile (FOG-M), ), U.S. Anny Missile Command Technical RG-85-1, May, 1985.
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Design and testing of a 1/12th-scale solid state adaptive rotor
[3] Berry R P 1985 Design and development of a closed center valve pneumatic actuator for the fiber optic guided missile (FOG-M) US Army Missile Command Technical Report RG-85-1 .
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ABSTRACTS FOR INVITED PRESENTATIONS
A new closed - center motor-driven valve , providing improved pneumatic performance with make before break poppets has been designed and built.
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Development of an Automated System for Sampling Crop Material from a Forage Harvester
Two double acting pneumatic cylinders, controlled by a three-position, closed - center , solenoid operated directional control valve (DCV), actuated the deflector flap so that all of the flow was sampled part of the time.
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Realizing a Concept for High Efficiency and Excellent Driveability: The Downsized and Supercharged Hybrid Pneumatic Engine
… it is shown that for large operating areas of the pneumatic modes, the highest efficiencies can only be achieved if the charge valve is opened (for the pneumatic motor mode) or closed (for the pneumatic pump mode) at top dead center (TDC).
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An automatic inlet system with pneumatic changeover valves for isotope ratio mass spectrometer
Such long-term performance of pneumatic changeover valves results from a very small displacement of the centre of the membrane which is needed for opening and closing a valve of this type.