Help with Valve Position Indicators specifications:
Valve Actuation
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| Your choices are... | |||
| For Rotary Actuated Valves | Rotating, quarter-turn or multi-turn closure elements. | ||
| For Linear Actuated Valves | Sliding stem type actuator. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Environment
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| Operating Temperature | This is the full required range of ambient operating temperature. | ||
| Search Logic: | User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria. | ||
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Type of Position Indicator
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| Your choices are... | |||
| Moving Indicator | Rotating colored dial or sliding scale. | ||
| LED Indicator | |||
| A Position Transmitter | A device that provides a continuous signal indicating the position of the valve or actuator. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Position Indication Options
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| Position Indication Options | |||
| Your choices are... | |||
| ON-OFF (Two-way) | |||
| Three-way | |||
| Four-way | |||
| 180 Degree (T or L Valve) | |||
| 120 Degree (PIG Valve) | |||
| Continuous (Up to 100% or 360 Degree) | |||
| Other | |||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Switching Options
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| Switching Options | |||
| Your choices are... | |||
| Non-Contact Switch or Proximity Sensor | Examples include Inductive, TTL, Reed Switch etc. | ||
| Mechanical Switch | Mechanical linkage to actuator. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Number of Switches
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| Maximum Number of Switches | The maximum number of switches available. | ||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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Pole and Throw Specifications
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| Pole and Throw Specifications | |||
| Your choices are... | |||
| Single Pole, Single Throw (SPST) | A switch that makes or breaks the connection of a single conductor in a single branch circuit. This switch typically has two terminals. It is commonly referred to as a "Single-Pole" Switch. | ||
| Single Pole, Double Throw (SPDT) | A switch that makes or breaks the connection of a single conductor with either of two other single conductors. This switch typically has 3 terminals, and is commonly used in pairs and called a "Three-Way" switch. | ||
| Double Pole, Single Throw (DPST) | A switch that makes or breaks the connection of two circuit conductors in a single branch circuit. This switch typically has four terminals. | ||
| Double Pole, Double Throw (DPDT) | A switch that makes or breaks the connection of two conductors to two separate circuits. This switch typically has six terminals and is available in both momentary and maintained contact versions. | ||
| Other Type (Special Application) | Special throw types with more than 2 poles, such as switches designed to split loads into separate circuits. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Electrical Switch Ratings
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| Max AC Current Rating | |||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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| Max DC Current Rating | |||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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| Max AC Voltage Rating | |||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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| Max DC Voltage Rating | |||
| Search Logic: | All matching products will have a value greater than or equal to the specified value. | ||
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Shaft/Mounting Options
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| Shaft/Mounting Options | |||
| Your choices are... | |||
| NAMUR Shaft | |||
| Standard Shaft | |||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Features
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| Your choices are... | |||
| Networkable Device | |||
| Intrinsically Safe | |||
| Backlighted or Illuminated | |||
| Field Adjustable Position | |||
| Explosion Proof | |||
| Chemical/Corrosion Resistant | |||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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