No-Flow Switches

CPVCPVDF316L SS
Series: F3.05
Rotor: ECTFE
Shaft & Bearings: Ceramic
Seals: EPDM, Viton
Pipe Sizes: 1/2″ – 24″ (in two sensor lengths)
Trip Point: 0.15 m/s The normally open contact closes after a delay of 2 seconds
 Bicolour LED Red = No Flow, Green = Flow
 Visual Indication: F3.82.H Model: 25 to 150 l/h (0.11 to 0.66 gpm)
Relay Output: Mechanical SPST contact, No Flow = open contact 1A @ 24 VDC, 0.5A @ 125 VAC, 0.1A @ 230 VAC

Description

No-Flow Switches

Type F3.05 No-Flow Switches offer reliable pump protection. They open an electrical circuit when flow velocity decreases below 0.15 m/s (0.5 ft./sec.) and are not adjustable. The unique Halar paddle wheel design is not available from other manufacturers.

✓ Reliable Pump Protection
✓ Visual Flow Indication

Technical

Compatibility

Type F3.05 No-Flow Switches F3.05 Compatibility Chart

Fittings

Installation Fittings Size Materials Pressure Temperature
Tees Socket Threaded Flanged 1/2" to 1-1/2" Body: PVC, PP, PVDF Seals: EPDM, Viton 150 psi @ 20C (70F)
Bolt-On Saddles 1-1/2" to 12" Body: PVC Insert: CPVC, PVDF Seals: EPDM, Viton, Nitrile 150 psi @ 20C (70F)
Metal Strap-On Saddles 3" to 18" Body: Cast Iron/SS Insert: PVCSeals: Nitrile 150 psi @ 20C (70F)
Weld-On Adaptors 1-1/2" to 24" 316 SS Carbon Steel PE Other materials are available 365 psi with metal F3.00 sensor
316 SS FNPT Tees 3/4" to 1-1/4" 316 SS 365 psi with metal sensor
Plugs for Installation Fittings Body: PVC, CPVC, PP, PVDF Seals: EPDM, Viton

Pricing

Click below for detailed product information including pricing, availability, and additional supporting documentation.
Sensor Type Body Material
CPVC PVDF 316L SS
No-Flow
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