Paddle flow switches, reed switch contact, external body

Main uses: General application in flow detection. . Recommended mounting position is on horizontal pipes, but can be mounted in any position. For water flow detection on dia. 15 to 100 mm water pipes.

 

Flow sensing

Main housing material

Paddle material

Mounting position

Mounting type

Voltage

Electrical rating

Ingress protection

Wire lengths (mm)

, , ,

Electrical connection type

,

Maximum flow detection (L/min)

Minimum flow detection (L/min)

Calibration (gr)

, ,

Nominal pressure at 20°C

Max operating temperature (°C)

Liquids temperature range (°C)

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SKU: N/A Category:

Description

Size and pressure Flow sensing:

cleavable paddle

Mounting:

¾” BSPP Union nut

Contact:

Reed switch, close on
flow rise

Electrical rating Mounting position Type
PN10

R1X

DN≥15

Dimensions

1: Paddle

2: Plastic body and plastic ¾” BSPP union nut

3: Cable

1: Paddle

2: Plastic body and plastic ¾” BSPP union nut

3: Connection box

4: Adjustment screw

5: EN17530-803-A

(DIN43650-A)  connector (Option)

6: IEC947-5-2, M12x1, 4 terminals connector (Option)

Main uses: General application in flow detection. . Recommended mounting position is on horizontal pipes, but can be mounted in any position. For water flow detection on dia. 15 to 100 mm water pipes

Functional principle:

Balanced magnetic paddle mounted perpendicular to the flow and activating a reed switch through the wall. The return of the paddle is by made by magnetic action, without spring. No seal or liquid can pass between the piping system and the electrical contact. Suitable for corrosive water pools and spas and salination chlorination and bromination systems. Must not to be used for water containing magnetic particles or high viscosity liquids, which block the movement of the paddle.

Adjustment:

  • By cleaving the paddle
  • Fine adjustment by screw driver on internal dial (on models with connection box only)

Paddle shaft: Titanium, providing an outstanding corrosion resistance, and improved mechanical live. Suitable for corrosive water pools and spas and salination chlorination and bromination systems

Main housing material: PPO, fiber glass reinforced for improved pressure resistance, usable with potable water.

Paddle: PPO, 12 mm width, can be cleaved into 4 sections numbered 1 to 4 for pipe diameter adjustment

Pipe mounting: Fiber glass reinforced union nut,¾” BSPP, mounting on ¾” BSPP male fitting with gasket. Recommended torque: 7±1 Nm

Gasket: NBR

Electrical rating: Max 1A, Max 70W, Max 250V, resistive load. Use on inductive circuits reduces electrical rating. We recommend to protect the reed switch with contact protection device when used in inductive loads

Electric contact type: Normally open, closes by flow rise

Liquids compatibility: For use with clean water and liquids without magnetic particles and without chemical incompatibility with PPO and titanium

Nominal pressure at 20°C: 1MPa (PN10)

Liquids temperature range: 5 to 100°C

Ambient temperature range: 5 to 80°C

Ingress protection: IP65

Calibration tolerances: +/-15% (on paddle operating force at end of paddle 1)

Electrical connection:

4 possible models:

  • 2 x AWG24 (0.2mm²) cable, PVC insulation, T80°, style
  • Waterproof connection box with 5mm² connection block, M16x1.5 cable gland
  • Waterproof connection box with EN17530-803-A (DIN43650-A) connector (MOQ apply for this model)
  • Waterproof connection box with IEC947-5-2, M12x1, 4 terminals connector(MOQ apply for this model)

Installation instructions:

  • Check carefully the paddle orientation: The arrow on housing must be exactly parallel to the pipe
  • A 5 mm minimum gap must be respected between end of the paddle and tube wall opposite to the
  • We recommend the use of nozzles of length less than or equal to 18mm between the gasket seat and the inside of the tube and with an inner diameter greater than or equal to 5 mm, to avoid blocking of the paddle.

Accessories: 3/4” male PVC saddles for DN40 to DN100 (OD) PVC pipes, and other fittings: see last section of this catalogue

Options(MOQ apply): cable with connector or terminals, other cable length, nickel plated ¾” BSPP union nut

Important notice: In the case of plastic pipes (PVC, PE), the DN (nominal diameter) corresponds to the outside diameter and wall thickness is variable depending on the application. This must be taken into account to avoid blocking the paddle. In the case of metal pipes, the inner diameter corresponds to the DN. Flow values data are for tubes whose internal diameter corresponds to DN.

Pipe mounting configurations

Average Flow detection values (Liters/min)

 

Paddle

length

Pipe ID (mm)
15 20 25 32 40 50 63 100
*Close **Open *Close **Open *Close **Open *Close **Open *Close **Open *Close **Open *Close **Open *Close **Open
1-m 2,7 2,3 4,8 4,5 13 11 22 20 38 35 67 47 167 112 472 317
1-H 4,3 3,3 7,3 6,5 18 17 29 27 53 48 83 72 218 142 616 401
1-M 5,5 3,2 14 12 25 22 38 35 67 60 132 108 262 202 740 571
1+2-m 20 18 37 32 68 52 192 155
1+2-H 30 28 53 43 88 72 248 203
1+2-M 40 37 67 63 123 115 347 324
1~3-m 22 20 37 33 125 108
1~3-H 34 32 63 50 176 165
1~3-M 46 43 77 73 233 217
1~4-m 27 24 88 72
1~4-H 43 40 140 132
1~4-M 58 55 180 167
m= calibration at min span

H= calibration at Half span

M= calibration at Max span

* Close by flow rise (L/min) of contact open at no flow position

** Open by flow decrease (L/min) of contact open at no flow position. Average values for indication only. Standard tolerances ±15%

 

Main references  (With type A cleavable paddle)

Other paddles (Non cleavable models)

Paddle type B Paddle type C Paddle type D Paddle type E
Replace 6680 in reference by 1234 Replace 6680 in reference by 1549 Replace 6680 in reference by 1564 Replace 6680 in reference by 1579

 

Consult us for flow detection values with these paddles. OEM paddles can be made on order (MOQ apply)

 

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    General application in flow detection. Recommended mounting position is on horizontal pipes, but can be mounted in any position. For water flow detection on dia 15 to 100mm water pipes. The built-in relay with SPDT contact can be used on resistive loads up to 15A 250V. The pilot light shows the contact position.  

Technical informations associated to this product