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735 Series LiquiSeal™ Purge Control
Brand: King Engineering
Features
- Fully Integrated Air Purge Regulator and Level Transmitter
- Operation Based on the Control Regulating a Continuous 1 cfh - cubic foot per hour - Flow of Compressed Air into the Tank Downpipe
- Provides a 1:1 Pressure Signal to a Compatible Indicator or External Transducer Through 1/4" Airline Tubing
- All LiquiSeal™ Purge Controls Feature an Internal Isolation Diaphragm
- Back Pressure Created by the Continuous Purging of the Downpipe is Applied to this Internal Diaphragm
- Working as a Pneumatic Transmitter, an Equivalent Pressure is Generated on the Gauge Side of the Diaphragm, which Isolates Downstream Components from Contact with the Liquid or Vapor Releases
Specifications
Brand
Temperature Range
- 0° F to 120° F
- -16° C to 54° C
Maximum Pressure
- 300 % Over-Range
Burst Pressure
- 200 psi
Compressed Air Requirement
- 35 psig to 150 psig Supply Pressure at Control Inlet
- Minimum supply pressure should be at least 20 psig greater than anticipated Max. liquid head pressure
Maximum Depth Measurement
- 1,937 inH₂O
- 49.0 m water
Purge Control
- Unit incorporates differential air flow regulator with flow control orifice
- Fixed differential set to nominal 10 psid
- Output is 1: 1 pneumatic pressure - hydrostatic force equivalent
Air Purge Flow Rate
- Nominal 1 cfh - cubic feet per hour - at specified differential
- Maximum air consumption under 5 cfh
Materials
- Machined Brass body with acrylic semi-gloss enamel finish, integral filter element is aluminum with acrylic semi-gloss enamel finish
SafeGard Option
- An adjustable pressure-limiting control that permits pre-setting a Max. Value for pressure output from the Purge Control
- SafeGard range available as 25 inH₂O to 650 inH₂O or 650 inH₂O to 1750 inH₂O