Product Information

View Performance Data SPVLP/SDVLP

General Information
The Price SPVLP (pneumatic controls), SDVLP (digital controls) single duct terminals fit in restricted ceiling spaces. Casing height is 10 in. [254].

Units are meant to control the air flow rate of conditioned air into an occupied space in response to a control signal, usually a thermostat. The clean and efficient design of these single duct terminal units result in a system component which has minimal pressure drop reducing fan horsepower require­ments, and low noise generation for quiet operation.

Control options for this product line are wide and varied with pneumatic, analog electronic and state of the art direct digital control available to suit most any application. Most of the control options utilize multiplicity of Price SP300 multipoint sensors strategically spaced across the width of the inlet for accurate duct air velocity pressure measure­ment. This allows the terminals to monitor the desired flow rate, as dictated by the thermostat, and compensate instantly for any changes in supply air pressure that might tend to alter the supply volume. In other words, the net result is a pressure indepen­dent variable air volume system.

In addition to the basic volume control assembly, a complete line of accessories is offered to meet specific job require­ments. Sound attenuators, multi-outlet adaptors and heating coils are all available.


  • Low profile casing design.
  • Capacities ranging from 50 - 4000 cfm in 10 sizes.
  • Pressure independent operation.
  • Can be used for VAV or constant volume applications.
  • Available with pneumatic, electronic or direct digital controls.
  • Factory calibrated to job requirements.
  • Individually adjustable minimum and maximum air volumes - easily field adjusted.
  • SP-200 multi-point flow sensor designed to maintain control accuracy independent of field installation conditions.
  • Gauge taps for flow measurement and balancing.
  • Conveniently accessible externally mounted controls.
  • Full range of accessories available (i.e. coils, attenuators, etc.)
  • Protective metal shrouds for electronic and digital (by Price) controls. Protective metal cover optional for pneumatic controls.
  • 22 gauge zinc coated steel housing.
  • 1/2" (13) thick, min. 1.5 lb density fiberglass internal insulation, coated to prevent air erosion — meets requirements for NFPA90A and UL181.
  • Damper blade constructed of two layers of heavy gauge galvanized steel closing against gasketed perimeter angle.
  • Plated damper shaft is mounted in self-lubricating bearings.
  • Discharge complete with slip and drive cleat duct connections.
  • Special liners and insulations available.
  • Certified in accordance with the ARI 880 certification program.
  • Electronic & DDC units are ETL certified.
  • Round inlet for units 4 - 8, rectangular inlet for units sizes 9 - 16.
    Product Selection Checklist

  1. Select Unit Inlet Size based on control and acoustic parameters.
  2. Select Control type (Pneumatic, Electronic, Digital) based on system design.
  3. Select Accessories (Multi-Outlet Adaptor, Attenuator) as required.
  4. Select Reheat Coil, if required.
  5. Select Control Sequence based on system design.
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