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  • Brazing a steel piston valve assembly [MEC]
    A five turn pancake coil is used to braze the piston valve and steel plate. The assembly was heated for 10 minutes to flow the braze and join the two pieces...
  • An analysis of the GenFixx TM mechanical assembly technique compared to a brazed assembly technique used in severe service valve component applications
    Functionally, the ability of a tungsten carbide/steel assembly to succeed mechanically in severe service valve component applications is dependent upon the strength and reliability of the method of attachment. In common use today is a brazed assembly, employing standard braze procedures to achieve
  • Valve Terminology Glossary
    Industry Guide to terms most commonly used in the manufacturing, assembly and operation of Valves and Valve Accessories.
  • Industry Solutions For The Most Common Solenoid Valve Challenges
    materials, operating the valve for a few cycles with fluid pressure can dislodge or flush the material and allow the valve to seal properly again. Other causes of internal leakage include improper assembly of valve parts and misapplication of a valve. These problems can be solved by taking off
  • Brazing a steel piston vavle assembly [IH]
    A five turn pancake coil is used to braze the piston valve and steel plate. The assembly was heated for 10 minutes to flow the braze and join the two pieces...
  • Brazing a brass tube assembly [valve manufacturing] [MEC]
    With the recommended coil configuration, the cycle time turned out to be 25% less than what the client was targeting, resulting in increased production efficienc; a good braze joint was formed, and induction's consistency and repeatability proved valuable...
  • Brazing a brass tube assembly [valve manufacturing] [IH]
    With the recommended coil configuration, the cycle time turned out to be 25% less than what the client was targeting, resulting in increased production efficienc; a good braze joint was formed, and induction's consistency and repeatability proved valuable...
  • Thermal Shutoff Valves - Then and Now
    vents the pneumatic actuator, allowing it to move into its fail-safe position (open or closed). At the same time, it closes the supply airline, eliminating oxygen that would feed the fire. A second entire fusible link valve assembly dedicated to the thermal shutdown is no longer required.
  • Emergency Isolation for Pneumatic Actuated Control Valves
    Now any pneumatic control system can be designed to automatically shutdown in a local fi re or excess heat situation. The FireChek (R) can be installed on most fail-safe standard pneumatically operated process control valve actuator, either on/off or throttling. The enhanced FireChek assembly
  • Compact yet perfectly matched ASHRAE Journal, July 2015
    ebm-papst is expanding their line of gas-air ratio control assemblies with the new NRV77 developed for high efficiency gas-fired boilers rated up to 35kW (120,000 BTU/H). The assembly includes a modulating premix ready gas blower, air-gas venturi, and zero-governor gas valve. All three components

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  • Process Control Valves - World - 2012
    This report, comprised of three individually available volumes, aims to quantify the total market for valve assemblies , in terms of revenues and unit shipments, and to measure the market for parts & service in terms of revenues.
  • Oil hydraulic system
    3 and 4 central hydraulic components treat for energy conversion (pumps, motors, cylinder) and for energy control (valves, valve assembly systems).
  • AWWA M14 - Backflow Prevention and Cross-Connection Control Recommended Practices
    … assembly, backsiphonage condition, 48 Spill-resistant vacuum breaker, normal flow and backsiphonage conditions, 50 Check valves open, permitting flow, 51 Backpressure, both check valves closed, 51 Negative supply pressure, check valves closed, 51 Typical double check valve assembly applications, 52 Reduced-pressure …
  • Process Control Valves - EMEA - 2012
    This report aims to quantify the total market for valve assemblies , in terms of revenues and unit shipments, and to measure the market for parts & service in terms of revenues.