Products/Services for National Air Poppet Valves

  • Check Valves-Image
    Check Valves - (1956 companies)
    ...and union connections. In terms of media, check valves are rated for air, compressed air, water, hot water, cold water, potable water, salt water, wastewater, gasoline, diesel fuel, high-purity gas, liquefied petroleum gas (LPG), natural gas, sour...
    Valve Type
    Severe Service Rated
    Back Flow Preventer Assembly
  • Drain Valves-Image
    Drain Valves - (197 companies)
    Drain valves are designed to automatically remove liquids from process lines as necessary. Drain valves remove media from process lines and process or storage tanks. They are used in applications such as compressed air systems where liquid, gas...
  • Air Valves-Image
    Air Valves - (793 companies)
    Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices. Air valves allow metered flow of fluid in one or both...
  • Solenoid Valves-Image
    Solenoid Valves - (1024 companies)
    When the solenoid receives an electrical signal (energized), it channels the air supply directly to the plunger. When the electrical signal is removed (de-energized) the valve returns to its normal condition. Find Solenoid Valves by Specification...
  • Gate Valves-Image
    Gate Valves - (1168 companies)
    Gate valves are available in many different materials. Valves can be specified by the National Association for Corrosion Engineers (NACE) and the American Petroleum Institute (API) for their ability to handle strong and corrosive media. For my...
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    Air Cylinders - (643 companies)
    Air cylinders are pneumatic linear actuators that are driven by a pressure differential in the cylinder's chambers. They may be single-acting (with a spring return) or double-acting. Air cylinders are pneumatic linear actuators driven by pressure...
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    Pressure Relief Valves - (1009 companies)
    Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line. Pressure relief valves are designed to provide protection from over-pressure in steam, gas, air, and liquid lines. Relief valves...
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    Hydraulic Valves - (686 companies)
    Hydraulic valves contain and transfer the flow and pressure of hydraulic fluid in hydraulic power systems. They range from simple shutoff valves to precision control valves. In their unpowered state, hydraulic valves can be normally open (open...
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    Butterfly Valves - (1275 companies)
    ...magnetic conductor and air is not, the "T" is drawn by the magnetic field into a position where the magnetism can travel 100% through the metal conductor. The moveable "T" acts as the actuator of the valve. Solenoid valves can be arranged such that power...
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    Gas Valves - (538 companies)
    ...valves are designed for both on/off and throttling functions. Other types include poppet valves, pressure relief valves, regulators, safety valves, and sampling valves. Compressor valves as well as servo, shut off, solenoid, spool, toggle, underwater...

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  • Part and Mold Design (.pdf)
    Acme threads, 37 acrylic paints, 105 adhesive bonding, 91 adhesives, 91 agency approvals, 9 air-curing paints, 106 air entrapment, 22 air - poppet valves , 130 alignment, 92 alignment features, 92 alignment fingers, 93 aluminum, 162 American National (Unified) thread, 37 amorphous plastics …
  • Hydraulic Control Systems
    … 402 four-way valve-controlled linear actuator, 339 four-way valve-controlled rotary actuator, 376, 378 pressure-controlled pumps, 291 second-order systems, 116, 124, 126 three-way valve -controlled linear actuator, 359 … … second law, 46 NFPA ( National Fluid Power Association), xvii … poppet valves, 224 pressure-relief valves, 191, 233 two-stage electrohydraulic valves, 252 No-load velocity: fixed-displacement pump … … hydromechanical, 283-285 three-way spool, 196, 198, 201, 202, 204 two-stage electrohydraulic, 216 Open-circuit systems, air in, 20 Optimization, 160 …
  • http://dspace.mit.edu/bitstream/handle/1721.1/77764/35207223-MIT.pdf?sequence=2
    E. M. Nutting and G. W. Lewis, " Air Flow Through Poppet Valves ", National Advisory Committee for Aeronautics, no. 24, Washington, 1918.
  • States > New Hampshire > State > Proposed Regulations > 2004 Documents > April 23, 2004 > [2004 NH Proposed nh-p1404114] Env-Wm 1404 - Stage I / II Vapor Recov...
    … 40 CFR §51.100, namely "any person who owns, leases, operates, controls, or supervises a facility, building, structure, or installation which directly or indirectly result or may result in emissions of any air pollutant for which a national standard is in effect … lw) "Poppetted dry break" means a stage I coupling which by action of a spring return design equipped with a poppet valve preventsing vapors in a gasoline storage tank from escaping when a vapor return hose is not connected.
  • Stress Alert
    The MI VI air modulator is a large poppet valve driven by a servohydraulic actuator which modulates the flow of high- pressure air or nitrogen according to the input signal, producing very large pressure pulses at the horn throat. The 30th National SAMPE Sym- posium and Fixhibition will be held at the Disneyland Hotel, Anaheim, CA …
  • US Spacesuits
    For national security reasons, the system was originally named the Chamber Vent System (CVS) but was later … At one point, Dr. Gilruth was observed trying to jam open one of the Y-connector poppet closure valves with a folded paper match. He was unable to do so, and this was a tribute to the Air -Lock, Inc., design.
  • Novel Two-Stroke Engine Concept, Feasibility Study
    The EGR level in this kind of poppet valve scavenged two-stroke process is relatively high, from 15 % upwards. The production of compressed intake air offers possibilities for bettering the process efficiency. ACKNOWLEDGMENTS The financial support of the Finnish National Technology Agency through the ProMOTOR research program is highly …
  • http://www.techbriefs.com/2014NASA100/MagnetoValve
    As the current changes, the magnetic field strength adjusts, causing the valve poppet to reposition, bringing the pressure back to the setpoint. … Aircraft engines Ü Automotive fuel systems Ü Industrial systems – Oil-flow control, air and gas compressors … National Aeronautics and Space Administration .
  • Passive MEMS Valves With Preset Operating Pressures for Microgas Analyzer
    … range of parametric designs was fabricated using surface micromachin- ing (SUMMiT) to investigate the effect of valve size (R), spring stiffness (k), and valve-seat size (OLAP) on valve perfor- mance as characterized … … low pressure (∼5-mL/min air measured), leak rate when … An optimum poppet microvalve would require a large orifice area, a stiff spring, and a short overlap … … Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy’s National Nuclear Security Administration …