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Fluid & Gas Flow Equipment -> Pumps, Valves & Accessories -> Valves -> Vacuum Breaker Valves


Vacuum Breaker Valves




(Showing headlines 1 - 19)   

Vacuum Circuit Breaker utilizes magnetic actuator.

ABB Inc.    Auburn Hills, MI 48326
Feb 04, 2013 Featuring embedded pole technology, R-MAG Outdoor Vacuum Circuit Breaker is capable of interrupting up to 40 kA at 38 kV with single vacuum interrupter per phase. Magnetic actuator has only one moving part and requires no regular maintenance. Embedded in solid insulating material, breaker is insulated from external effects of mechanical shock, dust, and humidity. It offers extended capabilities of 10,000 load operations, which is 5x IEEE requirements for endurance capabilities.

Vacuum Circuit Breakers  target mining applications.

Vacuum Circuit Breakers target mining applications.

Eaton Corp.    Pittsburgh, PA 15108
Sep 24, 2012 Sealed from dust and contaminants, medium voltage W-VACiMB Circuit Breakers protect transformers, capacitor banks, motors, busbar sections, and cable. Units feature modular design consisting of vacuum interrupter, encapsulated pole unit, and universal mechanism assembly. Housed in 18 x 18 x 18 in. package, 17.5 kV breakers serve both 50 and 60 Hz segments of underground mining industry, and meet/exceed requirements of E2 and M2 in accordance with IEC 62271-100.

Vacuum Circuit Breaker targets electrically operated trains.

Vacuum Circuit Breaker targets electrically operated trains.

TE Connectivity Ltd.    Berwyn, PA 19312
Jan 19, 2012 Providing electro magnetically operated system for 25 kV and 15 kV vehicles, VESA VCB is qualified for high- and medium-speed trains and operates successfully in range of varying weather and climate conditions. Unit can be customized with earthing arms, various operating voltage options, and integration of additional control relays and feedback switches. With self-cleaning insulators and minimized reliance on pneumatic systems, maintenance time is reduced.

Medium Voltage Circuit Breakers support wind applications.

Medium Voltage Circuit Breakers support wind applications.

Eaton Corp.    Pittsburgh, PA 15108
Aug 10, 2011 Providing circuit protection for wind farm collector substations, 38 KV VCP-Wind Circuit Breakers incorporate vacuum interrupters, which switch high stress currents and require no cooling or ventilation systems. Units are encapsulated in epoxy resin material and are designed to require virtually no maintenance over product life cycle. With current ratings up to 2,000 A, circuit breakers meet ANSI and IEEE C37.09 standards.

Rectangular Vacuum Valves feature wide openings.

Lesker, Kurt J., Co.    Clairton, PA 15025
Jul 15, 2011 Rated up to 2 million cycles and available with 200-3,000 mm openings, bellows-sealed Rectangular Gate Valves feature L-Motion link assembly and dual shafts without springs in actuator to enable smooth actuation with minimal vibration. Dust Seal on vacuum side of bonnet flange virtually eliminates process particulate from entering bellows. At end of blade travel during valve closure, valves lock into position, and upon loss of operating air pressure, valves remain closed.

Vacuum Overflow Valves replace manometer seal legs.

Vacuum Overflow Valves replace manometer seal legs.

Bionomic Industries, Inc.    Mahwah, NJ 07430
Jun 16, 2011 Replacing manometer liquid seal legs on scrubber and vessel sumps, ScrubSeal(TM) Valves act as check valves to allow drainage of scrubber sump liquid through overflow line while maintaining required vessel vacuum during normal non-flow conditions. Products can be installed in vertical or horizontal pipes from ¾-4 in. to meet overflow rates from fractional to 500+ gpm. Valve body choices include corrosion-resistant PP or CPVC, depending upon size, with EPDM internal elements.

Compact Vacuum Valve is rated for 10,000,000 cycles.

Compact Vacuum Valve is rated for 10,000,000 cycles.

MKS    Andover, MA 01810 2449
Jul 21, 2010 Available in angle, inline, and internal-only configurations, High Cycle Valve features stainless steel bellows that prevent outgassing, virtual leaks, and particle entrapment. High flow port sizes include NW25, NW40, and NW50, while TIG fusion welded vacuum grade body ensures less contamination build-up. For leak tight operation, elastomer seals are available in Viton® for typical operating conditions, or Kalrez® or Chemraz® for high temperature conditions and chemical resistance.

Vacuum Valves withstand harsh semiconductor and solar processes.

Vacuum Valves withstand harsh semiconductor and solar processes.

MKS    Andover, MA 01810 2449
Jul 09, 2010 Available in angle and inline configurations, Corrosion and Ozone Resistant Vacuum Valves utilize patented technology that completely seals off valve bellows, keeping reactive and corrosive gases from contacting and collecting on bellows surface when valve is open. Units come with air solenoid for electro-pneumatic control of valve and limit switch assembly for remote indication in open or closed position. In event of power loss, poppet valves will automatically close.

High Vacuum Gate Valves feature rugged stainless steel body.

High Vacuum Gate Valves feature rugged stainless steel body.

VAT, Inc.    Woburn, MA 01801
Apr 16, 2010 Designed for high vacuum pump isolation and substrate transfer applications, Series 11.0 HV gate valves are offered with manual or pneumatic actuation, and come standard with position indicator. They provide 200,000 cycles before first service, and incorporate VATLOCK gate mechanism that minimizes operating shock and is mechanically locked in closed position. HV Valves are available in 2.5-12 in. ID sizes with choice of ISO, ASA, CF, JIS, or customer specific flanges.

PTFE Needle Valves are corrosionproof.

PTFE Needle Valves are corrosionproof.

Aalborg Instruments    Orangeburg, NY 10962
Jul 27, 2009 Made of PTFE and PCTFE materials, VT6 6 mm orifice PTFE needle valves are designed for laboratory and industrial applications requiring corrosive gas and liquid regulation or high-purity service. Panel mountable units have 3/8 in. FNPT ports, and can be used in pressure, non-critical vacuum service, or as shut-off valves. PCTFE valve spindles virtually eliminate creeping, while radially compressed PTFE o-ring feature allows quick compression adjustments without disassembly.

Pressure Vacuum Breakers feature modular check valve design.

Pressure Vacuum Breakers feature modular check valve design.

Apollo Valves    Matthews, NC 28105
Nov 13, 2008 Suited for irrigation system applications, PVB 4A Series pressure vacuum breakers are built around self-contained captured spring check module. They incorporate standard freeze protection feature and stainless steel shutoff handles. With corrosion resistant all-bronze body, units offer maximum working pressure of 175 psi, and operating temperature range of 33-140°F.

Vacuum Gate Valve monitors up to 4 pumps.

Vacuum Gate Valve monitors up to 4 pumps.

Lesker, Kurt J., Co.    Clairton, PA 15025
Oct 21, 2008 Taking less than 0.3 seconds to close, Protection Vacuum Gate Valve protects in-process products in event of vacuum pump failure. Bellows-sealed, pneumatically actuated, SS valve system monitors up to 4 pumps with local or remote control and LCD status display. Internal mechanism has low particle generation design and is shielded in open and closed positions against particulate accumulation, extending life under adverse conditions.

Transfer Valve suits flat panel display production systems.

Transfer Valve suits flat panel display production systems.

VAT, Inc.    Woburn, MA 01801
Oct 16, 2008 Available in aluminum and sizes from 4 x 54 in. to 12 x 100 in., Series 06 XL-VAT Transfer Valve is designed for large substrate production systems for flat panel display, solar, glass coating, and other applications. Modular design facilitates maintenance, and o-ring sealed gate can be accessed for service via removable top cover in body. Along with adjustable gate sealing force, series features pneumatic control unit and can be operated up to 1 bar DP on gate in either direction.

Vacuum Breakers relieve undesirable vacuum state.

Spence Engineering    Walden, NY 12586-0230
Sep 05, 2008 Able to be used on steam or liquid applications, Vacu-Break devices promote system efficiency by allowing it to operate correctly and preventing potential equipment damage. Maintenance-free product, available in 1/8, ½, and ¾ in. versions, has brass body and is designed for pressures to 125 psi and temperatures to +350°F. Available as option on certain Spence steam traps, product has cracking pressure of .36 psi.

Vacuum Check Valves prevent vacuum loss.

Vacuum Check Valves prevent vacuum loss.

Anver Corp. - Anver.Com    Hudson, MA 01749
Jul 22, 2004 CheckVac Valves are constructed from one-piece, seamless, aluminum body and plastic valve element that snaps into place and has O-ring seal. Leakproof, one-way vacuum check valves optimize system performance by not wasting vacuum pump's power in opening valve. Stainless steel spring-loaded valves operate in any orientation and are offered in sizes from ¼â€“2 in. NPT. They suit all vacuum system applications.

Spill-Resistant Vacuum Breaker prevents cross-connections.

Spill-Resistant Vacuum Breaker prevents cross-connections.

Conbraco Industries, Inc.    Matthews, NC 28106 0247
Nov 13, 2002 Suited for continuous pressure, indoor applications where water spillage is undesirable, Series 4W-500 valve prevents back-siphonage. It is available in ¼, 3/8, and ½ in. sizes with straight-through flow path, corrosion-resistant Noryl® body, silicone rubber discs, and stainless steel springs and fasteners. Integral shut-off valves and ¼ in. flare test connection are standard. Maximum working pressure is 150 psig, and operating temperature range is 33–180°F.

Circuit Breakers come in draw-out or fixed configurations.

Circuit Breakers come in draw-out or fixed configurations.

Eaton Corp., Cutler-Hammer Group    Moon Township, PA 15108
Apr 19, 2002 Medium Voltage VCP-WG Generator Vacuum Circuit Breakers handle high continuous current levels, fault conditions, and various voltage conditions. They operate up to 3000 A with natural air convection cooling, and up to 4500 A with suitable enclosure fan cooling. Circuit breakers can perform under out-of-phase conditions when generator and power system voltages are not in sync.

Vacuum Circuit Breakers replace air magnetic units.

Vacuum Circuit Breakers replace air magnetic units.

Eaton Corp., Cutler-Hammer Group    Moon Township, PA 15108
Apr 10, 2002 VR-Series medium voltage vacuum replacement (MVVR) breakers are functional electrical and mechanical replacements for air magnetic circuit breakers. Four times faster and 16 times more powerful than air magnetic breakers, they have SureClose(TM) MOC system that prevents stalling and damage to cell and MOC switch. Breakers are reversible, if cell structure modifications are necessary, and only require one outage for removal and installation.

Multiple Stage Valve is suitable for vacuum systems.

Multiple Stage Valve is suitable for vacuum systems.

HPS Div., MKS Instruments Inc.    Boulder, CO 80301
Dec 18, 2001 Compact ILP two-stage valve includes pneumatically-actuated poppet valve and bypass valve in single unit that fits into tight space constraints found in vacuum applications, such as loadlock and transfer chambers in semiconductor or optical processing. Soft start process reduces turbulent flow during initial vacuum system evacuation, for less product contamination and damage. Heater jacket is available for processes with condensable materials.




(Showing headlines 1 - 19)   



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