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Description: three parts, namely the bottom valve component, the top valve component (PAI outlet fitting), and the pilot valve. The bottom valve component contains an isolation valve, which can remove the top valve component and the pilot valve for maintenance
- Valve Type: Shut Off Valves
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Supplier: Ralston Instruments, Inc.
Description: QTVF-000B Shut-off valve - 1/4" MNPT x 1/4" FNPT with male QT test port, brass Install between a pressure gauge and the process and isolate the process from the gauge to perform a calibration of the gauge. After completing the calibration open the valve and place the gauge
- English Size: 0.25 inch
- Features: English
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Supplier: Ralston Instruments, Inc.
Description: QTVF-000S Shut-off valve - 1/4" MNPT x 1/4" FNPT with male QT test port, S.S. Install between a pressure gauge and the process and isolate the process from the gauge to perform a calibration of the gauge. After completing the calibration open the valve and place the gauge
- English Size: 0.25 inch
- Features: English
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Supplier: Flomatic Valves
Description: SURGE ARRESTOR VALVE - Provides relief protection against pressure surges during pump start up, shut down, or power failure. 1 ¼"- 12" Consult factory for configuration Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced Port Globe Style
- Valve Size: 1.25 to 36 inch
- Valve Type: Angle Valves, Control Valves
- Features: Threaded
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Description: control valve? A hand-operated globe control valve is a type of valve used to control the flow of fluids and gases manually. These valves are commonly used in industrial applications, where precise control of flow rates is essential. They are called “globe” valves
- Features: Bolt Flange
- Valve Type: Control Valves, Directional Valves, Globe Valves, Shut Off Valves
- Media: Steam
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Supplier: Flomatic Valves
Description: BOOSTER PUMP CONTROL VALVE - Eliminates pump station pressure surges during start up and shut down. Equipped with internal drop check feature. 1 ¼"- 12" Consult factory for configuration Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced
- Valve Size: 3 to 36 inch
- Valve Type: Angle Valves, Control Valves
- Features: Threaded
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Supplier: Ralston Instruments, Inc.
Description: QTVF-000B-2F-2F Shut-off valve - 1/4" Female NPT x 1/4" Female NPT with male QT test port, brass Install between a pressure gauge and the process and isolate the process from the gauge to perform a calibration of the gauge. After completing the calibration open the valve and
- English Size: 0.25 inch
- Features: English
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Supplier: Velan, Inc.
Description: provides an exceptional tight shutoff even with high temperature fluctuations • Actuators: Pneumatic, hydraulic, electric or manual gear; fast acting actuators for Emergency Shut Down (ESD) function • Extended Bonnet: With a sufficient gas column to keep the stem packing away from the
- Valve Size: 6 to 48 inch
- Features: ASME, Bolt Flange, Other
- Valve Type: Butterfly Valves, Cryogenic Valves
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Supplier: U.S. Plastic Corporation
Description: Hayward angle globe valves are used in tight spaces where a 90change in flow direction is needed and there is insufficient room for extra fittings. Globe valves are ideal for sampling and throttling applications. The precision machined, fine pitched threads allow for precise flow
- Valve Size: 2 inch
- Valve Type: Globe Valves
- Primary Material: PVC
- Features: Threaded
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Supplier: CGIS
Description: leakage shutoff. This allows us to continuously meet critical requirements with reliable performance in applications as diverse as high temperature, cryogenics, water transmission, hydro-power, hazardous gases, emergency shut-down and nuclear plant safety systems. Adams Valves
- Valve Type: Butterfly Valves
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Supplier: DeZURIK, Inc.
Description: shut-down procedure, thereby protecting the pumping system from damage due to mechanical, hydraulic or power failure. The controller is available for either solenoid controlled valves or motor operated DeZURIK, APCO or Willamette pump control valves, and is suitable for
- Valve Type: Control Valves
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Supplier: DFT Inc.
Description: DFT® Vacuum Breakers provide effective protection against collapse of pressure vessels, tanks and rolls. They prevent condensate "back-up" when equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT® Vacuum Breakers are used to
- Valve Size: 1 to 4 inch
- Pressure Rating: 2,500 psi
- Media Temperature: -325 to 700 F
- Flow (Cv): 5.8 to 90
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Supplier: Velan, Inc.
Description: sealing system: Combined with the eccentric disc rotation, the patented flexible metallic seat provides an exceptional tight shutoff even with high temperature fluctuations • Actuators: Pneumatic, hydraulic, electric or manual gear; fast acting actuators for Emergency Shut Down (ESD)
- Valve Size: 6 to 42 inch
- Features: ASME, Butt Weld, Other
- Valve Type: Butterfly Valves, Cryogenic Valves
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Supplier: Acro Associates, Inc.
Description: snap-in tubing valve head with manual override for easy loading and unloading (Models 955/958) Default Normally -Closed power safety shut-off mode Splash seals for easy wash down and sterilization procedures Panel mounting bracket for mounting if a variety of positions and
- Valve Size: 0.125 to 0.187 inch
- Number of Ports/Ways: 2
- Power: 12 to 48 volts
- Media: Air, Compressed Air
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Supplier: Tridak LLC - A DYMAX Company
Description: being dispensed. Minimizing this friction substantially decreases valve maintenance and down-time. The valve's stroke adjustment and control feature offers precise adjustment of fluid deposit volume and flow. Peak performance is obtained when actuated with the Tridak Model 345
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Supplier: Triangle Fluid Controls Ltd.
Description: DFT® Vacuum Breakers provide effective protection against collapse of pressure vessels, tanks and rolls. They prevent condensate "back-up" when equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT Vacuum Breakers are used to break
- Valve Type: Check Valves
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Supplier: Techcon
Description: Diaphragm Valves are designed to dispense low to medium viscosity materials with precision accuracy over a wide range of shot and bead sized down to a fraction of a micro liter. An internal spring return makes the valves fully adaptable for use with Techcon Systems time/pressure
- Media Viscosity: 1 to 50,000 cps
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Diaphragm Valve
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Supplier: Assured Automation
Description: the fire. The Thermally activated Emergency Isolation Valves (EIVs) include: 150F/300F Flanged Ball Valves Assured Automation's 150F and 300F Flanged Ball Valves offer a unique design that is ideal for process and petrochemical applications. 150F/300F Series Flanged Ball
- Valve Size: 0.5 to 12 inch
- Pressure Rating: 275 psi
- Number of Ports: 2
- Number of Ports/Ways: 2
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Supplier: ISC Sales, Inc.
Description: or stops. ISC’s pump control valves are smart, they know when to open, when to close and they do it effortlessly. The pump control valve is normally closed and on pump start-up, a pilot solenoid is energized to open the valve, at a rate governed by the opening speed control.
- Features: Bolt Flange, ISO, Socket Weld / Solder, Threaded
- Valve Type: Control Valves
- Media: Water
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Supplier: Nordson EFD
Description: overspray. They also offer time-saving programming and allow mechanical adjustments to be made without having to shut down production. Available Models ValveMate 8040 Spray valve controller capable of operating up to two spray valves and features external solenoids.
- Interface: Digital Front Panel, Knobs / Switches / Meter
- Form Factor: Panel / Chassis Mount, Stand-Alone
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Supplier: Spirax-Sarco
Description: The DPS17 is an SG iron pilot operated valve which combines the functions of a pressure reducing valve and a surplussing valve. It is suitable for steam or gases such as compressed air. The main pilot, fitted onto the main valve body provides control of downstream
- Pressure Rating: 362.59425 psi
- Number of Ports/Ways: 2
- Media Temperature: 449.6 F
- Media: Air, Compressed Air, Steam
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Supplier: Nordson EFD
Description: overspray. They also offer time-saving programming and allow mechanical adjustments to be made without having to shut down production. Available Models ValveMate 8040 Spray valve controller capable of operating up to two spray valves and features external solenoids.
- Interface: Digital Front Panel, Knobs / Switches / Meter
- Form Factor: Panel / Chassis Mount, Stand-Alone
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Supplier: DeZURIK, Inc.
Description: flanges, eliminating the need for a valve body. Since most of the valve is inserted into the downstream pipe the face-to-face dimension of the Series 37 is just the flange thickness, making it ideal for applications with space limitations. In order to fit down inside the pipe,
- Valve Type: Check Valves
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Supplier: U.S. Plastic Corporation
Description: Valves are very easy to maintain by allowing for easy removal from a piping system without breaking down the piping connections. Just unscrew the assembly nuts and lift the valve body out of the line. Valves prevent reversal of flow in piping systems. They are ideal where
- Valve Size: 1.25 inch
- Valve Type: Check Valves
- Primary Material: PVC
- Features: Threaded, Union
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Supplier: Velan, Inc.
Description: classification societies. • Actuator: Manual, pneumatic (single or double-acting type), electric or hydraulic according to customer specification. ON/OFF or MODULATING function according to the application. Fast-acting actuators for Emergency Shut Down (ESD) also available. • High
- Valve Size: 3 to 80 inch
- Features: ASME, Bolt Flange, Other
- Valve Type: Butterfly Valves
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Supplier: Continental Hydraulics
Description: the actuator. Typically used with Proportional valves with Zero-Lap type spool configurations that could allow oil movement when the system is shut down. This valve will block flow when de-energized and will allow bi-directional flow when energized. Both the A and B work
- Pressure Rating: 5,000 psi
- Number of Ports/Ways: 2
- Valve Type: Cartridge / Manifold Valves, Poppet Valves
- Features: Check Valves, Control Valves, ISO, Solenoid Valves
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Supplier: OPW Engineered Systems
Description: preventing side loading which creates stem leaks Standard take out dimensions allows the Series 100 valve to replace any standard ball, plug or gate valve Additional metal-to-metal body joint prevents possible leakage from temperature changes or line stresses - damage to the seal can
- Valve Size: 1 to 6 inch
- Pressure Rating: 250 psi
- Features: ASME, Bolt Flange, ISO, MSS
- Valve Type: Ball Valves
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Supplier: Beswick Engineering Co., Inc.
Description: The Beswick MIL-MV series metering valve contains an adjustable orifice. The orifice meters fluid flow, regardless of flow direction through the valve. The o-ring seals fit to make the valve insensitive to vibration, preventing inadvertent changes to the setting. Max Pressure
- Pressure Rating: 500 psi
- Primary Material: Brass / Bronze, Stainless Steel
- Valve Type: Metering Valves
- Features: Other
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Supplier: IDEX Health & Science
Description: pump were to shut down. It includes (1) CV-3001 Cartridge and (2)OD x P-215 Flangeless Fittings for 1/16"OD tubing.
- Pressure Rating: 1,000 psi
- Valve Type: Check Valves
- Primary Material: PEEK, Stainless Steel
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Supplier: Ellsworth Adhesives
Description: Techcon Systems TS5622VD Valve Diaphragm is designed to dispense low to medium viscosity materials with precision accuracy over a wide range of shot and bead sized down to a fraction of a micro-liter. Short opening stroke provides extremely fast, positive shut-off. Techcon
- Features: Diaphragm Valve
- Dispensing Equipment Type: Dispense Only
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Supplier: IDEX Health & Science
Description: pump were to shut down. It includes (1) CV-3001 Cartridge and (2)OD x P-215 Flangeless Fittings for 1/16"OD tubing.
- Pressure Rating: 1,000 psi
- Valve Type: Check Valves
- Primary Material: PEEK, Stainless Steel
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Supplier: Ellsworth Adhesives
Description: Techcon Systems TS5622VU Valve Diaphragm is designed to dispense low to medium viscosity materials with precision accuracy over a wide range of shot and bead sized down to a fraction of a micro-liter. Short opening stroke provides extremely fast, positive shut-off. Techcon
- Features: Diaphragm Valve
- Dispensing Equipment Type: Dispense Only
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Supplier: Beswick Engineering Co., Inc.
Description: psi. The metal to metal seal provides positive shut-off down to 25 in Hg. Effective Orifice: 0†to 0.032†(0-0.8mm) for both the standard and high resolution needles. About 0-1 SCFM air flow at 50psig. The high resolution version is especially well suited for control of low flow
- Pressure Rating: 500 psi
- Media: Air
- Valve Type: Metal Seated Valve, Needle Valves
- Features: Other, Threaded
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Managing Pressure Transients After Pump Shutdown Valve response impacts system stability When a pump shuts down, flow does not stop instantly. As velocity decays, fluid inertia can create transient pressure changes throughout the system. If not properly (read more)
Browse Check Valves Datasheets for DFT Inc. -
these fail or are shut down, the DHS closes to prevent contamination from getting downstream. Users interested in remote monitoring/control can connect the DHS to plant monitoring systems or Kaeser Sigma Air Manager 4.0 if present. DHS models are available in eight sizes from 1-inch (read more)
Browse Air Valves Datasheets for Kaeser Compressors, Inc. -
and snap open when the engine is shut down and temperatures are close to freezing. This allows for the system to drain before freeze damage can occur. The plugs are completely mechanical and require no electrical or air connections to operate. ThermOmegaTech® offers additional (read more)
Browse Drain Valves Datasheets for ThermOmegaTech® -
manufactured from stainless steel. The NV needle valve is rated for a maximum inlet pressure of 500 psig (34.47 bar). The metal to metal seal provides positive shut-off down to 25 in Hg. (vacuum). The needle valve is available with three different needle types, a standard needle, high (read more)
Browse Needle Valves Datasheets for Beswick Engineering Co., Inc. -
installed on locomotive engine coolant water storage tanks, and water-cooled compressors to automatically monitor the water temperature. The plug’s thermal actuator will sense the water temperature and snap open when the engine is shut down and temperatures are close to freezing. This allows (read more)
Browse Drain Valves Datasheets for ThermOmegaTech® -
installed on locomotive engine coolant water storage tanks, and water-cooled compressors to automatically monitor the water temperature. The plug’s thermal actuator will sense the water temperature and snap open when the engine is shut down and temperatures are close to freezing. This allows (read more)
Browse Drain Valves Datasheets for ThermOmegaTech® -
equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT® Vacuum Breakers are used to break siphons, prevent pipe collapse during transient pressure drops, and provide the addition of air on the downstream side of check valves to dampen water hammer (read more)
Browse Steam Valves Datasheets for DFT Inc. -
or damper to move to a predetermined fail-safe position in the event of power failure, allowing for valve control in an emergency or other shut down situations. Actuators equipped with internal battery backup systems work by using an internal trickle charger to continuously charge a sealed (read more)
Browse Electric Valve Actuators Datasheets for Indelac Controls, Inc. -
industrial applications that require a valve or damper to move to a predetermined fail-safe position in the event of power failure, allowing for valve control in an emergency or other shut down situations. ctuators equipped with internal battery backup systems work by using an internal trickle (read more)
Browse Electric Valve Actuators Datasheets for Indelac Controls, Inc. -
valve is also typically installed with the seat downstream (also Direct Pressure). The reverse is true of the seat location when a plug valve is used for isolating a vertical/uphill (clean water) line after a pump. Since the valve will be used to isolate the line when the pump is shut down (read more)
Browse Plug Valves Datasheets for McWane Plant and Industrial
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Pros and Cons of 3 Types of Emergency Shutdown and Emergency Isolation Valves
The two most common methods used to trigger a thermal shutoff, eliciting a failure position in pneumatically operated Emergency Shut Down and Emergency Isolation Valves are: (1) Fusible Plugs, and (2) Plastic Tubing. Both of these techniques have been used in emergency shutdown systems for years
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What an Executive Order for Improved Chemical Facility Safety Means for Emergency Valve & Actuator Applications
The installation of emergency block valves (EBV) on process piping and equipment is a key component of the various layers of protection. EBVs are used to shut down the system in the event of an emergency; and remotely operated EBVs are an acceptable loss prevention practice for reducing the size
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Fail-safe Actuators: When Failure Is Not an Option
Actuators are a small part relative to the overall systems they live in. Many of these devices weigh in at only ten or twenty pounds. But they are a small component that plays a crucial role: When it's time for a valve or damper to close, for a flow to stop, or for a system to shut down
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Torque Switch Application Notes
The primary function of a torque switch is to sense a high torque situation in a valve and shut down the actuator. This causes a halt to the process, but any situation that would trip a torque switch would likely halt it anyway, foul up the process, and also damage the equipment.
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Manual combustion engine
Mercedes-Benz participated again successfully in race; the motors of the silver arrows had a fuel injection derived by the aircraft engines and zwangsbetätigt closing valves (desmodromische control).
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Introduction into the oil hydraulic system
Closing valves .