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    • Walchem

    • Auto Degassing Valve

      Auto Degassing Valve

      Documentation ADV Brochure ADV Installation manual The new Auto Degassing Valve greatly improves the degassing capabilities of the E-Series metering pumps. The new design uses a dual check valve system to maintain proper pump operation to vent...
    • Tank with Drilled Cover, 50 Gallon

      Tank with Drilled Cover, 50 Gallon

      Documentation Accessories overview brochure Boiler accessories brochure Constructed from white NSF61 certified, UV resistant polyethylene with molded-in graduations in gallons and liters. Rigid covers are polyethylene with molded recesses for pump, mixer...
      $461.00
      Add to Cart
    • Tank with Drilled Cover, 30 Gallon

      Tank with Drilled Cover, 30 Gallon

      Documentation Accessories overview brochure Boiler accessories brochure Constructed from white NSF61 certified, UV resistant polyethylene with molded-in graduations in gallons and liters. Rigid covers are polyethylene with molded recesses for pump, mixer...
      $424.00
      Add to Cart
    • Sensor, w/6” Saddle, PVC

      Sensor, w/6” Saddle, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $973.00
      Add to Cart
    • Sensor, w/4” Saddle, PVC

      Sensor, w/4” Saddle, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $943.00
      Add to Cart
    • Sensor, w/3” Saddle, PVC

      Sensor, w/3” Saddle, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $882.00
      Add to Cart
    • Sensor, w/2” Mounting Tee, PVC

      Sensor, w/2” Mounting Tee, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $845.00
      Add to Cart
    • Sensor, w/1½” Mounting Tee, PVC

      Sensor, w/1½” Mounting Tee, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $833.00
      Add to Cart
    • Sensor, w/1” Mounting Tee, PVC

      Sensor, w/1” Mounting Tee, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $822.00
      Add to Cart
    • Sensor, w/¾” Mounting Tee, PVC

      Sensor, w/¾” Mounting Tee, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $809.00
      Add to Cart
    • Sensor, w/½” Mounting Tee, PVC

      Sensor, w/½” Mounting Tee, PVC

      Documentation Accessories overview brochure Paddlewheel brochure These WFP Flowmeters are impeller-type insertion meters designed for use in pipe sizes from ½” to 6”. High quality jewel bearings provide accurate performance across the...
      $796.00
      Add to Cart
    • Valve Asm, PVC/PTFE, ½”

      Valve Asm, PVC/PTFE, ½”

      Documentation Accessories overview brochure Tripurpose valve brochure Tripurpose valve installation These Tri-Purpose Valves are three valves in one. Installed in one direction, the spring loaded PTFE faced diaphragm provides 30 psi of back pressure and...
      $224.00
      Add to Cart
    • BP/PR Valve, SS, 1” NPT BP/PR Valve, SS, 1” NPT

      BP/PR Valve, SS, 1” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $836.00
      Add to Cart
    • BP/PR Valve, PVDF, 1” NPT BP/PR Valve, PVDF, 1” NPT

      BP/PR Valve, PVDF, 1” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $751.00
      Add to Cart
    • BP/PR Valve, PVC, 1” Union (NPT) BP/PR Valve, PVC, 1” Union (NPT)

      BP/PR Valve, PVC, 1” Union (NPT)

      Documentation Accessories overview brochure BPR Valve manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $429.00
      Add to Cart
    • BP/PR Valve, PVC, 1” NPT BP/PR Valve, PVC, 1” NPT

      BP/PR Valve, PVC, 1” NPT

      Documentation Accessories overview brochure BPR Valve Manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $387.00
      Add to Cart
    • BP/PR Valve, SS, 3/4” NPT BP/PR Valve, SS, 3/4” NPT

      BP/PR Valve, SS, 3/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $639.00
      Add to Cart
    • BP/PR Valve, PVDF, 3/4” NPT BP/PR Valve, PVDF, 3/4” NPT

      BP/PR Valve, PVDF, 3/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $682.00
      Add to Cart
    • BP/PR Valve, PVC, 3/4” Union (NPT) BP/PR Valve, PVC, 3/4” Union (NPT)

      BP/PR Valve, PVC, 3/4” Union (NPT)

      Documentation Accessories overview brochure BPR Valve manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $344.00
      Add to Cart
    • BP/PR Valve, PVC, 3/4” NPT BP/PR Valve, PVC, 3/4” NPT

      BP/PR Valve, PVC, 3/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP Manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $317.00
      Add to Cart
    • BP/PR Valve, SS, 1/2” NPT BP/PR Valve, SS, 1/2” NPT

      BP/PR Valve, SS, 1/2” NPT

      Documentation Accessories overview brochure BPR Valve Manual Fixed BPR manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $504.00
      Add to Cart
    • BP/PR Valve, PVDF, 1/2” NPT BP/PR Valve, PVDF, 1/2” NPT

      BP/PR Valve, PVDF, 1/2” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $452.00
      Add to Cart
    • BP/PR Valve, PP, 1/2” NPT BP/PR Valve, PP, 1/2” NPT

      BP/PR Valve, PP, 1/2” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $249.00
      Add to Cart
    • BP/PR Valve, PVC, 1/2” Union (NPT) BP/PR Valve, PVC, 1/2” Union (NPT)

      BP/PR Valve, PVC, 1/2” Union (NPT)

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $302.77
      Add to Cart
    • BP/PR Valve, PVC, 1/2” NPT BP/PR Valve, PVC, 1/2” NPT

      BP/PR Valve, PVC, 1/2” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $245.92
      Add to Cart
    • BP/PR Valve, SS, 1/4” NPT BP/PR Valve, SS, 1/4” NPT

      BP/PR Valve, SS, 1/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $365.00
      Add to Cart
    • BP/PR Valve, PVDF, 1/4” NPT BP/PR Valve, PVDF, 1/4” NPT

      BP/PR Valve, PVDF, 1/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $324.00
      Add to Cart
    • BP/PR Valve, PP, 1/4” NPT BP/PR Valve, PP, 1/4” NPT

      BP/PR Valve, PP, 1/4” NPT

      Documentation Accessories overview brochure BPR valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $172.00
      Add to Cart
    • BP/PR Valve, PVC, 1/4” Union (NPT) BP/PR Valve, PVC, 1/4” Union (NPT)

      BP/PR Valve, PVC, 1/4” Union (NPT)

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $270.00
      Add to Cart
    • BP/PR Valve, PVC, 1/4” NPT BP/PR Valve, PVC, 1/4” NPT

      BP/PR Valve, PVC, 1/4” NPT

      Documentation Accessories overview brochure BPR Valve manual Fixed BP manual These rugged valves are constructed from PVC, PP, PVDF, or SS components to ensure long life and reliability. The spring loaded PTFE faced diaphragms provide positive discharge...
      $249.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/FKM/Ti

      EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/FKM/Ti

      Documentation A and E specifications EWN-Y and EFS brochure EWN-Y manual EFS manual EWN support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $3,036.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/EPDM/HC

      EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/EPDM/HC

      Documentation A and E specifications EWN-Y and EFS brochure EWN-Y manual EFS manual EWN support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $3,102.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/FKM/HC

      EFS Flow Sensor for EWN Pump - 31/36-Y PVDF/FKM/HC

      Documentation A and E specifications EWN and EFS brochure EWN-Y manual EFS manual EWN support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $3,102.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/EPDM/HC

      EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/EPDM/HC

      Documentation A and E specifications EWN-Y and EFS brochure EWN-Y manual EFS manual EWN support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $2,184.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/FKM/Ti

      EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/FKM/Ti

      Documentation A and E specifications EWN-Y and EFS brochure EWN-Y Manual EFS manual EWN Support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $2,066.00
      Add to Cart
    • EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/FKM/HC

      EFS Flow Sensor for EWN Pump - 11/16/21-Y PVDF/FKM/HC

      Documentation A and E specifications EWN-Y and EFS brochure EFS manual EWN-Y manual EWN Support The EWN-Y Series pump combined with EFS flow sensor provides accurate real-time control and display of the dosing rate. Set point control allows the desired...
      $1,710.00
      Add to Cart
    • Flow Verification Sensor, Suction, VE

      Flow Verification Sensor, Suction, VE

      Documentation Accessories overview brochure FCM Manual FCM Sensors provide low cost flow verification on the suction side of the E-Series pumps. Installation on the suction side insulates it from varying discharge parameters such as high or inconsistent...
      $292.00
      Add to Cart
    • Flow Verification Sensor, Suction, VC

      Flow Verification Sensor, Suction, VC

      Documentation Accessories overview brochure FCM Manual FCM Sensors provide low cost flow verification on the suction side of the E-Series pumps. Installation on the suction side insulates it from varying discharge parameters such as high or inconsistent...
      $292.00
      Add to Cart
    • PosiFlow Sensor, PE

      PosiFlow Sensor, PE

      Documentation Accessories overview brochure Posiflow FAQs Posiflow manual Posiflow troubleshooting The PosiFlow sensor verifies that your metering pump is pumping and has not lost prime orhad the discharge line cut. There are no moving parts in the...
      $470.00
      Add to Cart
    • PosiFlow Sensor, PC

      PosiFlow Sensor, PC

      Documentation Accessories overview brochure Posiflow FAQs Posiflow Manual Posiflow troubleshooting The PosiFlow sensor verifies that your metering pump is pumping and has not lost prime orhad the discharge line cut. There are no moving parts in the...
      $470.00
      Add to Cart
    • PosiFlow Sensor, VE

      PosiFlow Sensor, VE

      Documentation Accessories overview brochure Posiflow FAQs Posiflow Manual Posiflow troubleshooting The PosiFlow sensor verifies that your metering pump is pumping and has not lost prime orhad the discharge line cut. There are no moving parts in the...
      $470.00
      Add to Cart
    • PosiFlow Sensor, VC

      PosiFlow Sensor, VC

      Documentation Accessories overview brochure Posiflow FAQs Posiflow manual Posiflow troubleshooting The PosiFlow sensor verifies that your metering pump is pumping and has not lost prime orhad the discharge line cut. There are no moving parts in the...
      $470.00
      Add to Cart
    • Multi-function Valve, B31/C36, 50 PSI

      Multi-function Valve, B31/C36, 50 PSI

      Documentation Accessories overview brochure Multifunction valve old manual Multifunction valve new manual Multi-Function Valves (MFV) provide anti-syphon, back pressure, bleed, drain and pressure relief for your 11, 16 and 21 size E class metering...
      $203.00
      Add to Cart
    • Multi-function Valve, C31, 50 PSI

      Multi-function Valve, C31, 50 PSI

      Documentation Accessories overview brochure Multifunction valve old manual Multifunction valve new manual Multi-Function Valves (MFV) provide anti-syphon, back pressure, bleed, drain and pressure relief for your 11, 16 and 21 size E class metering...
      $203.00
      Add to Cart
    • Multi-function Valve, B21, 60 PSI

      Multi-function Valve, B21, 60 PSI

      Documentation Accessories overview brochure Multifunction valve old manual Multifunction valve new manual Multi-Function Valves (MFV) provide anti-syphon, back pressure, bleed, drain and pressure relief for your 11, 16 and 21 size E class metering...
      $203.00
      Add to Cart
    • Multi-function Valve, B09-B16/C16-C21, 150/105 PSI

      Multi-function Valve, B09-B16/C16-C21, 150/105 PSI

      Documentation Accessories overview brochure Multifunction valve old manual Multifunction valve new manual Multi-Function Valves (MFV) provide anti-syphon, back pressure, bleed, drain and pressure relief for your 11, 16 and 21 size E class metering...
      $203.00
      Add to Cart
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