Waterflow detectors and Pressure Switches – CENTA | Complete Fire Protection

Waterflow Detectors and Pressure Switches

Safe Signal WFDTN T-Tap Waterflow detectors are designed for primary signaling in residential systems and branch line signaling.

The new WFDTN Series waterflow detectors from Safe Signal consists of a rugged, NEMA 4-rated enclosure that is more damage resistant than previous metal designs. The waterflow detector is designed for both indoor and outdoor use, with the widest available temperature range, from 32°F to 150°F.

The WFDTN series is designed for accuracy and repeatability. The detector also offers improved performance during vibration in riser applications where detectors are exposed to a large in rush of water.

WFDTN Series
Waterflow Detectors

Features

  • New directional cover allows installers and inspectors to easily see the direction of flow
  • UL-listed models are NEMA 4 rated
  • New cover provides a better seal, is lighter weight, not painted and corrosion resistant
  • Sealed retard mechanism immune to dust and other contaminants
  • Less exposed metal reduces shock hazard, plastic cover acts as insulator and is resistant to arcing
  • Visual switch activation
  • Audible switch activation (73 dBA)
  • Field-replaceable timer/switch assembly
  • Accommodates up to 12 AWG wire
  • Switch Synchronization activates both alarm panel and local bell or horn strobe
  • Tamper-resistant cover screws
  • Improved water sealing
  • Reduced product weight
  • Wire-ready terminals
  • Improved wiring with new terminal block layout
  • Snap-in optional cover tamper switch

The new WFDN Series waterflow detectors from Safe Signal consists of a rugged, NEMA 4-rated enclosure that is more damage resistant than previous metal designs. The waterflow detector is designed for both indoor and outdoor use, with the widest available temperature range, from 32°F to 150°F. They are also approved for installation on the widest range of pipe schedules, sizes 2 in. through 4 in. are approved for installation on pipe schedules 7 through 40.

The WFDN series is designed for accuracy and repeatability. The detector also offers improved performance during vibration in riser applications where detectors are exposed to a large in rush of water.

WFDN Series
Waterflow Detectors

Features

  • New directional cover allows installers and inspectors to easily see the direction of flow
  • UL-listed models are NEMA 4 rated
  • New cover provides a better seal, is lighter weight, not painted and corrosion resistant
  • Sealed retard mechanism immune to dust and other contaminants
  • Less exposed metal reduces shock hazard, plastic cover acts as insulator and is resistant to arcing
  • Visual switch activation
  • Audible switch activation (73 dBA)
  • Field-replaceable timer/switch assembly
  • Accommodates up to 12 AWG wire
  • Switch Synchronization activates both alarm panel and local bell or horn strobe
  • Tamper-resistant cover screws
  • Improved water sealing
  • Reduced product weight
  • Wire-ready terminals
  • Improved wiring with new terminal block layout
  • Snap-in optional cover tamper switch
  • Improved timer repeatability and accuracy

Safe Signal EPS40 Series switches are designed for use in dry pipe systems or pressure tanks and water pressure supplies of automatic water control valves.

The EPS40-1 has a single SPDT switch while the EPS40-2 model contains two SPDT switches. The EPS40 Series features field adjustable pressure sensitivity to provide an alarm response between 10 and 100 psi. All models are factory set for use in a nominal 40 psi system. The EPS40-1 is factory set to respond at 30 psi at decreasing pressure while the EPS40-2 is factory set to respond at 50 psi on rising pressure and 30 psi at decreasing pressure. The pressure adjustment wheel requires no special tools and does not affect switch synchronization on the EPS40-2. The EPS40-1 and EPS40-2 supervisory pressure switches are NEMA 4 rated.

EPS10 Series
Alarm Pressure Switches

Features:

  • Sensitivity adjustment wheel, no special tools required
  • Reinforced diaphragm resists pressure spikes
  • Two conduit entrances
  • Both one- and two-switch models available
EPS40 Series
Supervisory Pressure Switches

Safe Signal EPS10 Series switches are designed for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler.

The EPS10-1 has a single SPDT switch while the EPS10-2 model contains two SPDT switches. The EPS10 Series features field adjustable pressure sensitivity to provide an alarm response between 4 and 20 psi. It is factory set to respond at 4 – 8 psi on rising or falling pressure. The pressure adjustment wheel requires no special tools and does not affect switch synchronization on the EPS10-2. The EPS10 Series switches are NEMA 4 rated.

Features:

  • Sensitivity adjustment wheel, no special tools required
  • Reinforced diaphragm resists pressure spikes
  • Two conduit entrances
  • Both one- and two-switch models available

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