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Vacuum Valve
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Vacuum valves are used when a vacuum must be maintained in a closed system.
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Supplier: ANVER CorporationDescription: Electric Solenoid Vacuum Valves -- A-0100014
- Types: Specialty / Other
- Vacuum / Pressure Range: Rough / Low (< 760, > 1 torr), Medium (< 1, >10-3 torr)
- Port Flange / Fitting Type: NPT Female, NPT Male
- Valve Actuation: Electric - Solenoid
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Supplier: Terra Universal, Inc.Description: Vacuum Valve prevents premature pump failure, guards against oil backstreaming into the vacuum chamber, and allows automated vacuum control when used in tandem with Terra’s Vacuum Control Module. Configured properly, it lets you start a pump even when the chamber is under full vacuum
- Types: Specialty / Other
- Port Flange / Fitting Type: NPT Female
- Valve Actuation: Electric - Solenoid
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Supplier: Grainger Industrial SupplyDescription: Air Vacuum Valve, Clean Water, Connection FNPT, Material of Construction Cast Iron ASTM A126, Float Material 316 Stainless Steel, Min. Pressure (PSI) 5, Max. Pressure (PSI) 300, Temp. Range (F) 250, Inlet Size 2 In., Outlet Size 2 In., Vacuum Pressure 29 In. Hg, Standards UL Listed
- Valve Type: Vacuum Relief / Anti-siphon Valves
- Primary Material of Construction: Cast Iron
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Description: Protection for Your Vacuum System Agilent Vacuum Pump Isolation Valves (VPI) are electrically connected in parallel with the mechanical pump, and close rapidly when power is interrupted to prevent oil backstreaming or particle migration into your vacuum system. The valves also vent the pump from
- Fail-Safe: Spring-to-Close / Normally Closed
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Supplier: Vaccon Company, Inc.Description: Vaccon vacuum check valves seal and hold vacuum for safe, energy efficient operations for clamping, pick and place and vessel evacuation applications. Vaccon vacuum check valves are designed specifically for vacuum applications. They offer high flow capacity with minimal flow restriction
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Supplier: MetsoDescription: The standard WAFER-SPHERE® high-performance butterfly valve is capable of vacuum service of 2x10-2 Torr. For vacuum service below 2x10-2 Torr, valves are specially cleaned to achieve 1x10-5 standard cc/sec. of helium and can be certified with a helium mass spectrometer.
- Valve Type: Ball Valves, Shut Off Valves
- Actuation: Pneumatic
- Media: Other
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Supplier: DeZURIK, APCO and WillametteDescription: "For positive pipeline protection against damaging pressure surges." The operating principle of this valve is the same as the CONVENTIONAL Air and Vacuum Valve with one exception ... Hydraulically Controlled Air and Vacuum Valves are normally open (because the heavy cast float is not buoyant
- Valve Type: Metal Seated Valve, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Primary Material of Construction: Cast Iron
- Actuation: Mechanical Device
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Description: VV213P is a range of pneumatically operated 2/2-way valves for use in high vacuum applications such as laboratory set-ups or automated industrial applications. The valves can be operated directly or by an optional solenoid valve kit. For the VV213P an optional electrically position sensor can
- Types: Angle Valve, Inline Valve
- Vacuum / Pressure Range: High Vacuum (<10-3,>10-8 torr)
- Port Flange / Fitting Type: ISO
- Port Flange (ISO Nominal Size): NW 16, NW 20, NW 25, NW 32, NW 40, NW 50
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Supplier: Edwards VacuumDescription: The LV10K needle valve provides fine control of gas bleed into a vacuum chamber or a regulated leak to control pressure in a vacuum system and is suitable for gas admission down to 10- 5 mbar / 8 x 10-6 Torr. Suitable for pipeline or panel mounting.
- Types: Specialty / Other
- Vacuum / Pressure Range: Elevated Pressures (> 760 torr)
- Port Flange / Fitting Type: ISO
- Port Flange (ISO Nominal Size): NW 10
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Supplier: WattsDescription: Lead Free* Water Service Vacuum Relief Valves Series LFN36 Lead Free* Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water
- Connection: Threaded
- Media Description: Water (General), Hot Water
- Valve Type: Vacuum Relief / Anti-siphon Valves
- Actuation: Mechanical Device
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Supplier: VACUUBRAND GMBH + CO KGDescription: Gas inlet valves VG are small hand operated valves for admitting gases into a vacuum system. By rotating a knurled screw cap, the valve stem is raised from the valve seat. Thus gas enters at a controlled flow rate from the line connected to the gas inlet. The gas inlet valve is small-flange-mounted
- Types: Gas Control / Leak Valve
- Vacuum / Pressure Range: Rough / Low (< 760, > 1 torr), Medium (< 1, >10-3 torr)
- Port Flange / Fitting Type: Elastomeric Seal / O-ring
- Port Flange (ISO Nominal Size): NW 10
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Supplier: VAT, Inc.Description: These low-cost gate valves are designed for very easy maintenance. Features High quality shaft feedthrough VATLOCK configuration Low shock during operation
- Types: Gate Valve
- Vacuum / Pressure Range: Ultra-high Vacuum (< 10-8 torr), Elevated Pressures (> 760 torr)
- Port Flange / Fitting Type: Elastomeric Seal / O-ring, ISO
- Valve Seat Seal Type: Elastomeric Seal / O-ring
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Supplier: co-ax valves inc.Description: The valves are intended for installation in pipelines in accordance with the EC guideline 97/23/EC concerning pressure devices. The type of medium (chemical, abrasive, and corrosive effect) agreed with the order and the limit values of medium pressure and temperature according to the data sheet
- Types: Specialty / Other
- Vacuum / Pressure Range: Rough / Low (< 760, > 1 torr)
- Port Flange / Fitting Type: Elastomeric Seal / O-ring, NPT Female
- Valve Seat Seal Type: Elastomeric Seal / O-ring
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Supplier: Warren Controls, Inc.Description: Opens gradually to admit outside air to relieve a vacuum in a tank. Features iron, steel, or stainless steel body; iron, steel, or stainless steel seat; non-asbestos or TFE disc; size 2" iron with NPT or 125FLG connections, 2" steel and stainless steel with 150 or 300 FLG; 4" through 12" iron
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Supplier: Oerlikon Leybold Vacuum USA Inc.Description: Double O-ring seal, short pumpdown times
- Types: Angle Valve
- Vacuum / Pressure Range: Medium (< 1, >10-3 torr)
- Port Flange / Fitting Type: Elastomeric Seal / O-ring, ISO
- Port Flange (ISO Nominal Size): NW 40
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Supplier: U.S. Plastic CorporationDescription: Prevents back-flow in flexible tubing. Operates in any postition, but works best at 10" to 28" hg vacumm. Made of polyethylene. #64001 has polyethylene disk; #64004 has neoprene disk. Max pressure is 20 psi.
- Valve Type: Check Valves
- Primary Material of Construction: Polyethylene (PE)
- Media: Air
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Supplier: American Stainless & Supply, LLCDescription: R8 Vacuum Ball Valves
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Supplier: Acro Associates, Inc.Description: in, self-aligning snap-in tubing valve head with manual override for easy loading and unloading (Models 955/958) Default Normally -Closed power safety shut-off mode Splash seals for easy wash down and sterilization procedures Panel mounting bracket for mounting if a variety of positions
- Types: Specialty / Other
- Port Flange / Fitting Type: None, Other
- Valve Seat Seal Type: Other
- Valve Actuation: Electric - Solenoid
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Supplier: Nor-Cal Products, Inc.Description: IntellisysTM SoftShutTM valves offer the user outstanding pressure control performance when coupled with one of Nor-Cal's many valve controllers. The patended closed loop motor control technology allows for all sizes to be operated by a common drive unit. This results in the most simple, robust
- Types: Gate Valve
- Port Flange / Fitting Type: Other
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Supplier: Bionomic IndustriesDescription: ...Feature Innovative Engineering to Save Money and Increase Scrubber Overflow Reliability New Bionomic ScrubSeal Vacuum Overflow Valves are the perfect overflow and vacuum seal solution to replace troublesome manometer water seal legs on scrubber sumps. Designed to eliminate unreliable
- Valve Type: Vacuum Relief / Anti-siphon Valves
- Primary Material of Construction: CPVC, Polypropylene (PP), PVC
- Actuation: Mechanical Device
- Media: Water
Featured Products for Vacuum Valve Top
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In applications where vacuum is used to lift and transport items such as steel sheets, glass and paper. Steel and glass vacuum lift systems are usually located in an open plant environment while paper handling can also be part of a printing press, or packaging or mailing machines where the paper is loaded into the machine then transported from station to station. The working environment is always dusty, and that dust gets into conventional valves by the nature of the system being a under vacuum... (read more)Browse Vacuum Valves Datasheets for co-ax valves inc. -
Why wait months for a vacuum gate valve when Nor-Cal can ship today? We stock the most frequently used sizes and flange configurations of linear gate valves with pneumatic and manual actuators. We also can ship the most commonly used models of poppet valves and ball valves from stock to two weeks. IQ+ Intellisys ™ throttling butterfly and pendulum valves can be configured for your particular application in just a few weeks. Call your Nor-Cal representative to obtain a lead time for your (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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in the rear chamber where the take-up roll (rolling up the web) is placed. Once the web is completely coated the valves are closed onto the foil, the front and rear chambers are vented to atmosphere, the web cut, the coils replaced and connected with the ends of the web while maintaining vacuum and temperature in the center process chamber(s). The result is a significant improvement in system availability thereby increasing the throughput. The valve is available in aluminium or stainless steel with a wide... (read more)Browse Vacuum Valves Datasheets for VAT, Inc.
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Our new ball valves are a low cost, manually or pneumatically operated, straight through isolation device. Their simple, robust design provides high reliability in "dirty" applications. They are commonly used on MOCVD and CVD equipment downstream from the chamber or vacuum pump to isolate traps or abatement tools. A stainless steel body and Teflon seat make these valves ideal for corrosive environments. A quarter turn of the handle quickly switches the valve from open to close... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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are available with pneumatic actuators only. Poppet Valve General Specifications. Electropolished 304 stainless steel die-formed body. 15 micron filter on air cylinder exhaust. Full opening. Viton® poppet O-ring, standard. .38 to 4.0 inch port ODs. Helium leak rate 10-9 std. cc./sec. or less. Viton® Seal Bonnet: 10-9 Torr vacuum rating,. Bakeable to 204°C intermittent. CF, NW, ISO and ASA flanges. Copper Seal Bonnet: 10-10 Torr vacuum rating, CF flanges. Bakeable to 204°C intermittent... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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maintenance. The 304 stainless steel bodies are vacuum furnace brazed to 1100°C at 10-6 Torr before being electropolished inside and out. The welded AM-350 bellows have a short stroke for a longer cycle life. Nor-Cal gate valves are available with NW (ISO-KF), ISO (clamp and bolt type), CF and ASA flanges in port sizes from 1.5 to 12 inches. Larger sizes are available upon request. Choose from manual or pneumatic actuation and Viton or copper seal bonnet. (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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. The TBV can cycle from open to closed in 125 milliseconds, providing faster time to set point. Competing valves cycle in 1.6 to 7.5 seconds. The optimally designed throttle plate provides improved control linearity, higher open conductance leading to control accuracy within 0.25% of set point. Double O-rings on the top and bottom shaft seals ensure vacuum integrity, even during cycling. Intellisys Throttling Butterfly Valves are now available in a full range of standard sizes from one to twelve... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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The N-Series poppet valves are an innovative, compact design with an MTBF of three million cycles. A bellows-sealed stem and electropolished stainless steel body provide long life, even in the most demanding applications. Standard pneumatic actuation is normally closed. N-series valves are available in right angle or angle-in-line body styles with tube ends, NW flanges and CF rotatable flanges. Optional air solenoids are available in multiple voltages and can be ordered factory installed... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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Our manual butterfly valves provide a low-cost alternative to bellows sealed gate valves. These valves easily actuate from the fully-closed position to fully open with only a quarter turn of the knob. A patented design allows the sealing disk to center itself when closing, with even pressure around the Viton O-ring seal. This design also helps to lower the amount of scuffing or rolling of the o-ring. Quarter-turn actuation, small footprint and the shortest possible gas path make manual... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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Nor-Cal Products' pneumatically actuated isolation pendulum valves contain the same patented Penduroll ™ mechanism that is found in the Intellisys ™ throttling pendulum valves. These valves offer the user a compact and low cost alternative to competitive designs. In addition, the smooth actuation results in low particle generation and rapid open-to-close speeds. In-situ serviceability of the valve is made possible through the incorporation of a removable bonnet cover. The entire... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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The V-5700 and V-5800 Series Vacuum Piloted 3-Way Valve has an adjustable vacuum pilot setpoint; the sensing vacuum range is 1 to 28" Hg. Maximum signal pressure is 29.9" Hg. Normally Open or Normally Closed valves are available. The Normally Open valve senses the adjusted vacuum setpoint and turns the valve output off. The Normally Closed valve senses the adjusted vacuum setpoint and turns the valve output on. The F-5700 and F-5800 Series Pressure Piloted 3-Way Valve has an adjustable pressure... (read more)Browse Air Valves Datasheets for Air Logic
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Peter Paul Electronics Co., Inc., New Britain, Connecticut, has announced the development of a new series of solenoid valves for use in vacuum chambers for sterilizing medical instruments. These valves feature high flows; bubble-tight sealing; standard vacuum fittings and standard flanges for international use; electron beam seamless welding of flange to body; purity requirements allowing no trapped particles on the inner diameter; several million cycle endurance for critical life operation... (read more)Browse Solenoid Valves Datasheets for Peter Paul Electronics Co., Inc.
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Nor-Cal's new IQ+ controller is available on the complete line of regular and sealing Throttling Butterfly Valves as well as Throttling Pendulum Valves, turning what is very good performance into best-in-class process control. The IQ+ controller is an on-valve integral control & drive unit that is fully RoHS compliant with 100% lead-free circuit board content. User interfaces include an ODVA certified DeviceNet protocol and physical layer, as well as standard RS-232 communications. Gauge... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
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Kadant Johnson vacuum breakers provide a simple, dependable way to relieve any unwanted vacuum condition that may develop in a closed vessel or pipeline. They can be used to prevent contamination from back flowing in fluid handling systems and to protect equipment against collapse or implosion. They combine tight closing with instant response, provide large air venting capacity, and are designed for easy installation. Vacuum breakers range in size from 3/8" to 1 1/2". They are available... (read more)Browse Industrial Valves Datasheets for Kadant Johnson Inc.
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Intellisys throttling pendulum valves provide equipment manufacturers with unmatched pressure control performance and low particle generation. Other pendulum valves use one actuation method to move the gate and another method to seal, creating an "out of control" area near the closed position. To compensate for this, system designers often add secondary bypass lines with costly throttling butterfly valves for high pressure, high flow regimes, such as NF3 cleans. Intellisys pendulum valves... (read more)Browse Vacuum Valves Datasheets for Nor-Cal Products, Inc.
Conduct Research Top
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Valves in Vacuum Service
with the low absolute pressures that will be encountered, and special sizing considerations must be made to insure that the valve will have enough capacity to meet the flow demands of a vacuum system. Creating and regulating a process vacuum requires valves of special construction, particularly where
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Productivity in a Vacuum (.pdf)
off the pump or close the vacuum valve. When evaporation stops, turn the pump back on. Keep this up for two hours, several times a week, all the while thinking about the education and intelligence you are wasting on equipment control instead of discovery. Why, in the first example, would you think
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Vacuum systems accelerate chip production
. With a solenoid response time of 5 msec, Parker's VA01 eliminates the need for two three-way valves when centralized vacuum systems are used in conjunction with part blow-off. The VA01 poppet control valve features a vacuum valve and direct adjustable blow-off valve with an atmospheric-release mechanism
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Sorting out vacuum-pump technology
ejectors with the same air consumption. It is designed for low and fluctuating feed pressures (25 to 90 psi) with sustained vacuum. The units produce vacuum flow as soon as the pressure valve opens, maximizing compressed air use while reducing energy consumption. Air-driven vacuum pumps work when
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Vacuum pumps
-- from 27 to more than 29 in. Hg -- under a variety of operating conditions. Typical pumps of this type have one or more pistons linked to a rotating crankshaft. The alternating piston action moves air past check valves in the cylinder head to create a vacuum at the inlet port. Lubricated piston pumps
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Pnuematic Valves in Vacuum Packaging - Application Notes (.pdf)
in systems using larger valves. When a standard 3-way poppet valve is in the process of. shi fting, there is an open center condition which allows the vacuum pump to be open to the atmosphere. Not. only does this condition increase energy cost, it also increases cycle time. Using a two station 2-way CP. m
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Butterfly Valves in Compressed Air & Vacuum Services
. Butterfly Valve Applications. Untitled Document. Butterfly Valves in Compressed Air & Vacuum Services. Because a butterfly valve uses a disc to control flow, much like a damper in a duct system, some people occasionally want to use it to control the flow of compressed air and other gases
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Filters for Vacuum Pumps (.pdf)
. The initial work location where gas. · Oil Mist Removal from Vacuum Exhaust: Chamber: molecules are to be evacuated from. The mechanical actions of oil lubricated, oil sealed vacuum. · Vacuum Gauge: Pressure gauge monitors the vacuum. pumps often generate large concentrations of sub-micron size. · Valve
Engineering Web Search: Vacuum Valve Top
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Vacuum Technology - Pressure regulation: VAT Series 650...
Subject Pressure regulation: VAT Series 650 Pressure Control / Isolation Vacuum Valve Posted by Roman Radtke on 2008-11-09 12:36
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Vacuum Butterfly Valve - Detailed info for Vacuum Butterfly...
home products Butterfly Valve Vacuum Butterfly Valve Vacuum Butterfly Valve 609A Wafer Butterfly Valve
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Vacuum Valve, Buy Vacuum Valve
Vacuum Valve About 4,270 records Vacuum Valve, Wholesale Vacuum Valve
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Val-Matic Valve & Mfg. Corp.
Air/Vacuum Clean Water Air/Vacuum Wastewater Vacuum Breaker Well Service Vacuum Priming
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Fleming valve - Wikipedia, the free encyclopedia
The Fleming valve, also called the Fleming oscillation valve, was a vacuum tube diode invented by John Ambrose Fleming and used in the earliest days
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Vacuum tube - Wikipedia, the free encyclopedia
In electronics, a vacuum tube, electron tube (in North America), thermionic valve, tube or valve is a device controlling electric current through a
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Festo Finland - Valve terminals
Vacuum technology Handling Valves Valve terminals Standard valve terminals Application-optimised valve terminals
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Festo Netherlands - Valve terminals
Vacuum technology Valves Valve terminals Standard valve terminals Universal valve terminals
