Search results with tag "Valve actuator"
ENGINEERING SYMBOLOGY, PRINTS, AND DRAWINGS …
sites.ntc.doe.govValve Actuators Some valves are provided with actuators to allow remote operation, to increase mechanical advantage, or both. Figure 2 shows the symbols for the common valve actuators. Note that although each is shown attached to a gate valve, an actuator can be attached to any type of valve body. If no actuator is shown on a valve symbol, it may
MISCELLANEOUS SYMBOLS: VALVE ACTUATORS
www.hanford.gov3. for valves located in pits with extended valve stems / actuators, limit switch and positioner will be located outside the pits. 4. safety solenoid valve (sy) is to trip the valve to its failure position. 5. remotely maintainable modulating control valves will utilize a pneumatic piston actuator. 6. actuator type (single acting, double acting ...
BASIC OPERATION AND FUNCTION OF CONTROL VALVES
www.controlglobal.comactuator: An actuator is a pneumatic hydraulic, or electrically powered device which supplies force and motion to open or close a valve. airset: A regulator which is used to control the supply pressure to the valve actuator and its auxiliaries. angle valve: A valve design in which one port is collinear with the valve stem or actuator, and the other
KEYSTONE FIGURE 89 PNEUMATIC ACTUATORS …
www.emerson.com9. Where pneumatic valve positioners or pneumatic controllers are fitted to the valve actuator assemblies, oil mist lubricated air should not be used unless the manufacturer states specifically that the controllers are compatible with lubricated air. WARNING For safety reasons, DO NOT "air assist" single acting pneumatic actuators.
Kidde WHDR™ Wet Chemical Cylinder Assemblies
kidde-fenwal.com- 3 - SYSTEM VALVE ACTUATOR, P/N 87-120042-001 A System Valve Actuator (SVA) must be mounted to every WHDR cylinder valve assembly (see Figure 2). The SVA contains a pneumatically operated piston,
Pneumatic Valve Actuator - Parker Autoclave Engineers
www.autoclave.com3 Pneumatic Valve Actuators - Piston Style Pneumatic Pressures to 150,000 psi (10342 bar) Piston type air-operated valves offer a unique, reliable design providing for a long and dependable life.
Market Leading Portfolio of Actuation Technologies - Emerson
www.emerson.comPneumatic Bettis G-Series Scotch Yoke Valve Actuator A scotch yoke valve actuator for operating ball, butterfly or plug valves along with louvres, dampers and other 90 degree rotating
Troubleshooting Manual AquaLink RS OneTouch Control …
www.jandy.comJandy Valve Actuator ..... 29 6.1 Operation .....29 Section 7. ... To avoid injury ensure that you use this control system to control only packaged pool/spa heaters which have built- ... responding to its buttons. If power is then interrupted, the controller will lock up. The way it locks up will depend on the type of controller. 1. Locked-up ...
Dimensions Valve actuator and gearbox attachments
www.neoteh.comEN ISO 5210 DIN 3210/DIN 3338 Y000.023/002/en Issue 1.09 2/2 We reserve the right to alter data according to improvements made. Previous documents become invalid with the issue of this document.
Valve Actuators - Flowmaster, Inc.
www.flowmaster-br.comValve Actuators Division of REGAL-BELOIT CORPORATION M SERIES • CAST IRON 1/4 Turn Gearboxes for Manual Operation
Valve Actuators - Emerson
www.emerson.comShafer’s experience in providing subsea valve control systems spans 30 years. We have hundreds of subsea actuators currently in service around