Vacuum Breaker Valves

Fluid & Gas Flow Equipment, Services

Pressure Vacuum Relief Valves support wireless monitoring.

April 1, 2016

With Smart Wireless technology providing immediate information, Enardo 850/950 Series delivers safety and emissions control by managing pressure in storage tanks used in oil and gas, chemical, petrochemical, and pharmaceutical industries. Pressure in storage tanks fluctuates due to changes in temperature, liquid level, or both. To ensure safe pressure levels are maintained, valves open and close in response to pressure fluctuations. Read More

Fluid & Gas Flow Equipment

Pilot Operated Vacuum Regulator supports high flows.

July 17, 2015

Manufactured from SS304L or SS316L, HV comes in 2, 4, and 6 in. port sizes and offers pilot operation. Latter enables automatic response for accurate regulation of system vacuum in precise 1:1 relationship with applied pilot vacuum set point. Only moving part, membrane diaphragm, directly creates seal against field of small orifices. Dynamic seals have no internal friction to overcome, enabling regulator to respond to changes in pressure nearly instantaneously. Read More

Fluid & Gas Flow Equipment, Material Handling & Storage

Newly Redesigned Shand & Jurs 94270 Tank Blanketing Valve

May 1, 2014

Hillside, IL – Shand & Jurs is proud to announce improvements to its hugely successful 94270 Tank Blanketing Valve. The 94270 Tank Blanketing Valve now incorporates a new internal Teflon® O-ring coating which improves the performance of the unit and reduces maintenance time and costs. This new Teflon® coating is now part of Shand & Jurs' standard offering for our ½ inch, one inch and... Read More

Fluid & Gas Flow Equipment

NF Energy's New Product - Delivery of DN4000 Vacuum Butterfly Valve

September 13, 2013

SHENYANG, China -- NF Energy Saving Corporation (NASDAQ: NFEC) ("NF Energy" or the "Company") is a leading energy saving services and solutions provider for China's power, petrochemical, coal, metallurgy, construction, and municipal infrastructure development industries. Recently, the Company's new product, the DN4000 vacuum butterfly valve, passed all quality tests and was delivered to a... Read More

Electrical Equipment & Systems, Fluid & Gas Flow Equipment

Vacuum Circuit Breaker utilizes magnetic actuator.

February 4, 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. Read More

Electrical Equipment & Systems, Fluid & Gas Flow Equipment

Vacuum Circuit Breakers target mining applications.

September 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. Read More

Electrical Equipment & Systems, Fluid & Gas Flow Equipment

Vacuum Circuit Breaker targets electrically operated trains.

January 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. Read More

Electrical Equipment & Systems, Fluid & Gas Flow Equipment, Green & Clean

Medium Voltage Circuit Breakers support wind applications.

August 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. Read More

Fluid & Gas Flow Equipment

Rectangular Vacuum Valves feature wide openings.

July 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. Read More

Fluid & Gas Flow Equipment

Vacuum Overflow Valves replace manometer seal legs.

June 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. Read More

Fluid & Gas Flow Equipment

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

July 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. Read More

Fluid & Gas Flow Equipment

Vacuum Valves withstand harsh semiconductor and solar processes.

July 9, 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. Read More

Fluid & Gas Flow Equipment

High Vacuum Gate Valves feature rugged stainless steel body.

April 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. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

PTFE Needle Valves are corrosionproof.

July 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. Read More

Fluid & Gas Flow Equipment

Vaccon Check Valves for Safe, Energy Efficient Vacuum Operations

March 26, 2009

3/3/09<4444>Vaccon Company, Inc. of Medway, Massachusetts offers a line of vacuum check valves that work with venturi vacuum pumps and switches to seal and maintain vacuum levels for safe, energy-efficient vacuum applications. Vaccon check valves are ideal for many vacuum applications including holding vacuum while molds cool down, keeping moisture out of hoppers containing resins, pellets or... Read More

Fluid & Gas Flow Equipment

Pressure Vacuum Breakers feature modular check valve design.

November 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. Read More

Fluid & Gas Flow Equipment

Vacuum Gate Valve monitors up to 4 pumps.

October 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. Read More

Fluid & Gas Flow Equipment

Transfer Valve suits flat panel display production systems.

October 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. Read More

Fluid & Gas Flow Equipment

Vacuum Breakers relieve undesirable vacuum state.

September 5, 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. Read More

Fluid & Gas Flow Equipment

Vacuum Check Valves prevent vacuum loss.

July 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 ¼-2 in. NPT. They suit all vacuum system applications. Read More