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Supplier: Hayward Flow Control
Description: Manual Limit Switch fits all Hayward ball and butterfly valves up to 8 inch.
- Max AC Current Rating: 10 amps
- Max AC Voltage Rating: 120 volts
- Operating Temperature: -7 to 93 F
- Valve Actuation: For Rotary Actuated Valves
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Supplier: Allied Electronics, Inc.
Description: CONTROL VALVE MANUAL, PNEUMATIC,3 POSITION, DUAL VALVE, MANUAL RETURN, RED
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Supplier: IMI Life Science
Description: A manually operated injection valve featuring six ports and two positions. Designed for precise sample injection in analytical instruments, offering reliable performance and ease of use.
- Number of Ports/Ways: 6
- Pressure Rating: 7,005.32091 psi
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Supplier: IMI Life Science
Description: This kit includes a six-port, two-position manual injector valve, providing all necessary components for seamless integration into laboratory systems. Ensures accurate sample injections with user-friendly operation.
- Number of Ports/Ways: 6
- Pressure Rating: 7,005.32091 psi
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Supplier: Accuris
Description: VALVE, THREE-POSITION, FOUR-WAY HYDRAULIC, MANUAL
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Supplier: AAA Products International, Inc.
Description: Manual lever models are operated with a handle that shifts the spool. The standard handle position of the knob for a 3-position valve is the center of the valve (Position "B"). To fully shift the valve, the handle is pulled towards the operator (Position "A") or away from
- Valve Size: 0.75 inch
- Flow (Cv): 9.97
- Pressure Rating: 250 psi
- Number of Ports/Ways: 4
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Supplier: Reid Supply
Description: Flow Control Valves are manual direction control valves suitable for use with all pneumatic systems. These four way valves have a precision lapped rotor and seals that offer high tolerance to dirt contamination and can be used as two or three-way valves by plugging
- Valve Size: 0.25 inch
- Pressure Rating: 150 psi
- Actuation: Manual / Hand
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Supplier: Alfa Laval Inc.
Description: visual indication of valve position and status as well as power-supply status through the use of light-emitting diodes. Its universal fit makes it a natural choice for valve indication of any Alfa Laval air-actuated sanitary valve. With its streamlined, low-maintenance design,
- Operating Temperature: -4 to 185 F
- Type of Position Indication: A Position Transmitter, LED Indicator
- Valve Actuation: For Linear Actuated Valves
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Supplier: Accuris
Description: VALVES, PNEUMATIC, 4-WAY, 2-POSITION MANUALLY OPERATED
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Supplier: DeZURIK, Inc.
Description: control characteristics and can be used as a throttling manual control valve. By simply turning the handwheel, operators can fine tune the valve position to maintain a constant rate of flow. Few manual valves have this throttling advantage. Zero leakage is
- Primary Material: Cast Iron
- Valve Type: Pinch Valves
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Supplier: BI-TORQ® Valve Automation
Description: Manual Wafer and Lug Butterfly Valve Features Wafer or lug style cast iron butterfly valves 2-8": with lever, 10" & 12" with gear opeator Standard stainless steel disc and stem Standard 10-position locking handle Cast iron gears available ISO direct mount for easy retrofit
- Valve Size: 2 to 8 inch
- Number of Ports/Ways: 2
- Media: Air, Compressed Air, Hot Water, Water
- Features: Bolt Flange, Other
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Supplier: HydraForce, Inc.
Description: A manually-operated four-way, two-position directional valve, with adaptability to a variety of adjustment operators (ordered separately).
- Valve Size: 0.25 to 0.375 inch
- Pressure Rating: 3,480.9048 psi
- Number of Ports/Ways: 4
- Media Temperature: -15 to 400 F
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Supplier: HydraForce, Inc.
Description: A manually-operated three-way, two-position directional valve with adaptability to a variety of adjustment operators (ordered separately).
- Valve Size: 0.25 to 0.375 inch
- Pressure Rating: 3,480.9048 psi
- Number of Ports/Ways: 3
- Media Temperature: -15 to 400 F
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Supplier: DeZURIK, Inc.
Description: Our Series 70 Manual Pinch Valve is the counterpart to the unique Series 75 and has the same design features and advantages, but the heavy cast iron housing is eliminated and a strong fabricated steel body is used in its place. The Series 70 is less costly, lighter, versatile and can
- Valve Type: Pinch Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: Manual override of ball valve Series SW signals the open or closed valve position for computer verification or to actuate other equipment based on the valve position. Body material is PVC, seals are BUNA-N, and the assembly fasteners are stainless steel and can be
- Valve Actuation: For Linear Actuated Valves
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Supplier: Burger & Brown Engineering, Inc.
Description: Stainless Steel Disc (1-inch) Original Brass Body with Stainless Steel Disc (1 and 2-inch) Anodized Aluminum Body and Disc (1 and 2-inch) The 3-position shear valve is a proven design. The valve selector handle has three positions: WATER, PURGE and VENT. An included check valve
- Valve Size: 0.75 to 2 inch
- Number of Ports/Ways: 3
- Pressure Rating: 80 to 100 psi
- Media Temperature: 250 F
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Supplier: DeZURIK, Inc.
Description: The Series 75B Manual Pinch Valve is a reliable, maintenance-free, cost-effective valve designed for tough slurries and abrasive and corrosive chemical applications below ground. This pinch valve was designed specifically for underground service. It is sealed with an
- Primary Material: Cast Iron
- Valve Type: Pinch Valves
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Supplier: F.B. Leopold, a Xylem brand
Description: existing console, or mounted locally at the valve. Valve PAC is especially suited for controlling the effluent flow valve in manual, automatic, and remote modes. Its simple design allows for easy transitioning between modes of filtration operation, such as declining rate,
- Interface: Digital Front Panel, Knobs / Switches / Meter
- Features: Liquid, Rate Indication / Control, Solids / Powder
- Form Factor: Panel / Chassis Mount, Stand-Alone
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Supplier: RS Components, Ltd.
Description: Crouzet 81921701 Position Detector
- Pressure Rating: 116.03016 psi
- Number of Ports/Ways: 3
- Media: Air
- Valve Type: Control Valves
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Supplier: Electro-Sensors, Inc.
Description: Valve Position Monitor Features • Valve position feedback — 0° up to 359° • Precisely measures valve shaft rotary movement • Works on powered or manually driven valve shafts • Retains valve position in the event of a power loss • Interface with PLC or optional
- Maximum Angular Measurement: 0.703 to 360 degrees
- Accuracy: 0.2 ±% Full Scale
- Operating Temperature: -40 to 149 F
- Output: Analog Current
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Supplier: Red Valve Company, Inc.
Description: The Series 75 manually operated pinch valve is the number-one selling pinch valve in the world today. The Series 75 is a reliable, maintenance-free, cost-effective valve designed for tough slurries, abrasives, and corrosive-chemical applications. The Series 75 full port design
- Valve Size: 0.5 to 48 inch
- Pressure Rating: 50 to 150 psi
- Primary Material: Aluminum, Cast Iron, Rubber
- Features: Bolt Flange, Other
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Supplier: ASCO
Description: valve cannot be operated until the padlock is removed. Each lockout valve is equipped with an emergency shutoff feature that quickly exhausts all downstream air to atmosphere.
- Valve Size: 0.375 to 0.75 inch
- Pressure Rating: 150 psi
- Number of Ports/Ways: 2
- Media Temperature: 40 to 120 F
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Supplier: Watts
Description: that compare a Process Variable (PV) to a desired setpoint, and alternately energize the solenoid pilots to throttle the valve open or closed until the PV reaches the desired setpoint. The valve also has provisions for manual operation in the event of power outage.
- Valve Size: 4 to 16 inch
- Valve Type: Control Valves
- Primary Material: Stainless Steel
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Supplier: Watts
Description: that compare a Process Variable (PV) to a desired setpoint, and alternately energize the solenoid pilots to throttle the valve open or closed until the PV reaches the desired setpoint. The valve also has provisions for manual operation in the event of power outage.
- Valve Size: 1.25 to 16 inch
- Valve Type: Control Valves
- Primary Material: Ductile Iron
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Supplier: Red Valve Company, Inc.
Description: The Series 75B manually operated Pinch Valve is a reliable, maintenance-free, cost effective valve designed for tough slurries and abrasive and corrosive chemical applications below ground. This pinch valve was designed specifically for underground service. It is sealed with an
- Valve Size: 6 to 14 inch
- Features: Bolt Flange, Other
- Primary Material: Cast Iron, Rubber
- Media: Ground Water, Powder / Solids, Wastewater, Water
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Supplier: Asahi/America, Inc.
Description: flow over the raised center section of the body where the body and diaphragm meet. The molded thermoplastic valve body and diaphragm are the only components in contact with the media. Asahi's type-14 diaphragm valve features a three-layer EPDM/PVDF/PTFE diaphragm providing a gas
- Valve Size: 0.5 to 4 inch
- Valve Type: Diaphragm Valves
- Actuation: Manual / Hand
- Features: Other
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Supplier: Burkert Fluid Control Systems
Description: The manually operated diaphragm valve Type 3233 consists of a manually operated actuator, a diaphragm and a 2-way valve body. The manual actuator, optionally with a plastic or stainless steel handwheel, ensures use in hygienic or aggressive ambient conditions. The flow-efficient
- Valve Type: Diaphragm Valves
- Primary Material: Stainless Steel
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Supplier: DeZURIK, Inc.
Description: DeZURIK Manual Gear Actuators are available on BHP High-Performance Butterfly Valves, BOS-US Resilient Seated Butterfly Valves, RCV Rotary Control Valves, VPB V-Port Ball Valves and .5-3″ Eccentric Plug Valves. Manual gear cast iron actuators feature
- Actuation Method: Manual
- Valve Motion: Rotary Motion Valve
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Supplier: Asahi/America, Inc.
Description: flow over the raised center section of the body where the body and diaphragm meet. The molded thermoplastic valve body diaphragm and end connector O-rings are the only components in contact with the media. Asahi's type-14 diaphragm valve features a three-layer EPDM/PVDF/PTFE diaphragm
- Valve Size: 0.5 to 2 inch
- Valve Type: Diaphragm Valves
- Actuation: Manual / Hand
- Features: Other, Threaded
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Supplier: Watts
Description: valve can be "positioned" to maintain a desired value. The valve also has provisions for manual operation in the event of power outage. The Electronic Control Valve is normally interfaced with SCADA systems or a Programmable Logic Controller that compares a Process
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Featured Products Top
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Hamilton Company specializes in the design and manufacture of products for manual, semiautomatic, and robotic precision fluid measuring and delivery. Our superior performance valves with ceramic, PTFE, and CTFE inserts provide comprehensive liquid handling for delivering chemically inert flow (read more)
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The new Bonomi SP Series smart valve positioner uses a microprocessor to position a pneumatic valve actuator for continuous valve control while monitoring and recording operating data. It can be used with virtually any size pneumatic actuator, single or double acting (read more)
Browse Valve Positioners Datasheets for Bonomi North America, Inc. -
Improved YT-3400 valve positioners from Rotork deliver enhanced hardware and diagnostics Rotork has improved its range of smart positioners to offer enhanced diagnostic and operating abilities. Valve positioners (read more)
Browse Valve Actuators Datasheets for Rotork plc -
Rotork is delighted to announce the launch of the RTP-4000 range, a new generation of intelligent valve positioners designed to deliver optimised control solutions for single- and double (read more)
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Asahi/America, Inc. is pleased to introduce the new J-Switch™ manual limit switch compatible with Asahi/America’s Type-21/21a ball valves and Type-23 Multiport™ ball valves. The new limit switch is a low-cost manual valve position indication solution. Asahi/America, Inc (read more)
Browse Ball Valves Datasheets for Asahi/America, Inc. -
Submersible LVDTs for valve and actuator positioning and feedback Take advantage of RDP’s 50+ years of design experience to select the right displacement transducer for your valve positioning and control applications. Hundreds of (read more)
Browse Linear Position Sensors Datasheets for RDP Electrosense -
deliver holistic actuation solutions that combine pneumatic and electric technologies for reliable, precise valve automation. Smart accessories like Industrial Ethernet and positioners boost connectivity and drive greater operational efficiency. Valve Automation Solutions Delivering (read more)
Browse Valve Actuators Datasheets for Georg Fischer Piping Systems Ltd -
working pressures range from 5145 to 7350 PSI. Like all Bonomi valves, they are 100% tested to rated pressure in the open and closed position before shipping. While a lever handle is standard, an integral ISO 5211 mounting pad simplifies actuation on the new valves (read more)
Browse Ball Valves Datasheets for Bonomi North America, Inc. -
It is important to move valves through a full cycle and returned to its normal position per AWWA standard. Exercising valves can be done manually or by using automated systems like powered actuators. For more information visit DeZURIK.com. (read more)
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Two series of electric actuators from 150 to over 30,000 inch-pounds of torque provide a solid foundation for all your electrically actuated valve requirements. Specialized needs are easily addressed by combining the DynaQuip Control's actuators with any of the many electric actuator (read more)
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Conduct Research Top
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Troubleshooting Reed Switches Used In Valve Position Indication
A common method to provide remote position indication in solenoid operated valves (SOV) is to use non-contact reed switches in conjunction with a permanent magnet. This article describes some common issues experienced with non-contact reed switches when used in these systems, and how to diagnose
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Default Position & Fail-Safe Valves, Explained
Commonly known as "default position," actuated or automatic valves that revert to a pre-determined position after the actuating force is removed are often referred to as "fail-safe" valves.
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Position Sensors in Solenoid Valves (.pdf)
Implementation of state of the art automated laboratory research and computer or microcontroller controlled instrumentation technology has always been restricted by conventional valve technology.
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Butterfly Valves
MDC Butterfly valves require only one-quarter turn rotation of the handle to go from fully open to the fully closed position. In the 1–1/3" Mini Del-Seal™ CF flange series, a spring loaded ball bearing becomes seated in an indent providing a positive mechanical stop. All other size valves employ a
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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.
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Gate Valves Option Guide
MDC circular C-Loc® gate valves can be fitted with optional high precision, modular mechanical position indicators (MPI). This new MPI system consists of two single pole double throw micro switches fitted with integral hinged lever and roller actuators. Each micro switch is wired in a normally open
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Introduction to Check Valves
The patented diaphragm in the Plast-O-Matic True Blue Check Valve is designed to re-seat with a bubble tight seal regardless of mounting position or reverse flow. Ball style check valves require two properties to seal properly: First, the ball check must be mounted with the flow direction pointed
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Valve Actuators and Positioners Go Digital
Fieldbus is the name of a family of industrial computer network protocols used for real-time distributed control, standardized as IEC 61158. Advanced digital fieldbus technology has been successfully used in oil and gas, petrochemical, pulp and paper, and other industries. This technology has also
More Information Top
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CR4 - Thread: Calculating the Resisting Torque from an Exhaust Reducer
You might be interested in: Gearboxes and Gearheads, Valve Positioners , Manual Valve Actuators .
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Assured Automations Announces New Resilient Seated ST Butterfly Valve Series - Wafer and Lug Style Butterfly Valves Feature Direct Mount Actuators
A full range of accessory items are available including limit switches, solenoid valves , positioners and manual override devices.
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Honeywell Adds Valve Position Sensor To OneWireless Portfolio
The sensor carries all the appropriate hazardous location certifications, which makes it ideal for various applications such as monitoring valve positioner status, manual process valve position, safety shower and eye bath notification, tank overflow alarms, damper and louver position, door/gate position, or …
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Process Engineering | Equipment & Services: July | Chemical Processing
A full range of accessory items is available including limit switches, solenoid valves , positioners and manual override devices.
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Design and Implementation of an Instructional Foundation Fieldbus-based Pilot Plant
Smar Co., Documentation: Operation and Maintenance Instructions Manual , FY302 Fieldbus Valve positioner , .
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Model based flow control using two final control elements
[8] Dezurik, Instruction Manual , Electro-pneumatic positioner and valve , 1994.
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ISA START-UP - A TECH GUD - Start-up - A Technician's Guide
If the problem does not go away in manual , it could be a valve / positioner /I to P (current to pneumatic) con-verter or transducer problem—or the process may be swinging abnormally because of another problem, specific to the process and …
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Application Note: Sensors and Switches Used in Valve Actuators and Valve Positioners (.pdf)
A valve positioner ’s power source can be a manual gearbox or an electronic device with control and measuring devices.