Dosing equipment

Dosing accessories

Complete your chemical dosing installation

Explore WRS accessories for pressure control, flow monitoring, pump calibration and effective chemical mixing.

WRS dosing accessories

Selected for the chemical and duty

Enaqua matches each accessory to the dosing pump, chemical compatibility, operating pressure and process requirements. Select a category below to discuss your application.

WRS Safety & Back-Pressure Valves

WRS Dosing

Safety & Back-Pressure Valves

Protect dosing equipment against excessive pressure and maintain controlled discharge back-pressure for consistent metering.

  • Pressure-relief and back-pressure duties
  • Union, flanged and hose connection options
  • Material selection to suit the chemical
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WRS Pulsation Dampeners

WRS Dosing

Pulsation Dampeners

Reduce pulsation and vibration from metering pumps to create a steadier discharge flow and protect downstream equipment.

  • Bladder-type pulsation control
  • Plastic and stainless-steel options
  • Sized to suit pump stroke volume and duty
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WRS In-Line Static Mixers

WRS Dosing

In-Line Static Mixers

Mix dosed chemicals into the process stream using fixed internal elements, without a separate mixer motor.

  • No moving parts
  • DN15–DN100 sizes shown in the range
  • Socket, threaded or flanged connections
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WRS Diaphragm Pressure Gauges

WRS Dosing

Diaphragm Pressure Gauges

Monitor dosing-line pressure with a diaphragm interface between the process chemical and the gauge mechanism.

  • UPVC, PP and PVDF body options
  • Threaded and socket connection options
  • Select wetted materials for chemical compatibility
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WRS Calibration Columns

WRS Dosing

Calibration Columns

Check actual dosing-pump delivery by measuring the volume drawn down over a timed interval.

  • Graduated visual volume measurement
  • 100–10,000 mL models shown in the range
  • Size to suit the pump flow and test duration
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WRS Air Relief Valves

WRS Dosing

Air Relief Valves

Release accumulated air from the dosing installation, with valve selection matched to the fluid and operating conditions.

  • WRS 386 and 387 series
  • Threaded connection options
  • Multiple sizes for different installations
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WRS Rotameters

WRS Dosing

Rotameters

Read local flow visually using a float-type variable-area flow meter, with optional high or low flow switching.

  • Multiple flow ranges and line sizes
  • Direct visual flow indication
  • Optional high/low flow signal accessories
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Accessory selection

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