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Picture of Suttner ST-164 Stainless Chemical Bypass Injector #3.0, 3/8" F x 1/2" F

Suttner ST-164 Stainless Chemical Bypass Injector #3.0, 3/8" F x 1/2" F

SKU: 200164499

Brand: Suttner America


Customer Product Rating
Product Description

Suttner ST-164 Stainless Steel Chemical Bypass Injector, #3.0, 5000 Psi, 3/8" F x 1/2” F

Field of Application
• Designed for the cleaning of vehicles carrying cattle, food, frozen foods and fish in order to avoid bacterial spread. Also suitable for cleaning milking parlours and applicable in cattle bredding, piggery, poultry farming and in the pisciculture
• The foam device is a combination made out of stainless steel and special high performance plastics. The addition of one out of two connected chemicals is determined by positioning the lever. All versions are suitable for the addition in low pressure from approx. 43 PSI up to max. 5,076 PSI
• When being operated in rinsing function up to 15.85 GPM pass through the unit without any drop in pressure
• Locks in position for accurate metering
• In combination with a foam lance (ST-72 or ST-75), an adjustable or a triple nozzle the ST-164 injector can suck in chemicals by means of the integrated check valve made out of stainless steel and spray them on or foam them depending on the chosen nozzle
• The ST-164 injector is available in the nozzle size of 3.5 – 11.0
• The dosing is adjusted by one of the 18 nozzle inserts which are included in the consignment. The connection for chemicals is equipped with an integrated check valve

• Integrated lever that allows you to go from disinfectant to foam to rinse
• Food grade quality and specifications
• Durable Stainless steel construction
• 18 Dosing nozzles included
• Use 0.35 ID hose

• Nozzle/Orifice Size: 3.0
• Max Flow Rate: 21 GPM
• Min Flow Rate: 1 GPM
• Max Pressure: 5,000 PSI
• Min Pressure: 1,200 PSI
• Max Temp: 212° F.
• Inlet: 3/8” Female
• Outlet: 1/2” Female
• Hose Barbs: .35” ID hose
• Weight: 4.80 lb

Please use Nozzle Chart to determine proper nozzle size

Note: If between sizes, choose the larger nozzle size

Nozzle Chart


See the ST-164 System Diagram below to determine the foam components needed

ST-164 System Diagram


This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.

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• Max Pressure: 5,000 PSI
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• Max Temp: 300° F.
• Inlet: 3/8" Female NPT
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• Operating Pressure: 5,000 PSI
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Please use Nozzle Chart to determine proper nozzle size

Nozzle Chart

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Suttner ST-175 Foam & Clean Lance 5,000 PSI, SS, 1/4" F Inlet

SKU: 200175420

Suttner ST-175 Stainless Steel 24” Foam & Rinse Lance 5,000 PSI with 1/4" F Inlet. Switch from foam to rinse by turning the valve that’s conveniently within hands reach

• The change-over lance ST-175 Foam & Clean is the ideal accessory for Suttner's foam injector line. The innovative change-over technology allows to direct the full flow into either one or the other outlet pipe just by turning the hand wheel at the inlet
• In one position of the hand wheel the flow is directed thru an ST-75 foam head for foaming. After changing over the full flow is directed thru the other pipe and a regular spray nozzle for rinsing
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ST-175 Foam & Rinse Lance on YouTube

• Flow Rate: 1.0 – 6.0 GPM
• Max Pressure: 5,000 PSI
• Length: 24.0”
• Max Temp: 140° F.
• Inlet: 1/4" Female NPT
• Outlet (Foam): ST-75 Foam head (Air Injector Nozzle not included)
• Outlet (Rinse): 1/4" FPT with nozzle protector (1/4” MPT high pressure nozzle not included)
Note: Suttner ST-160, ST-160M or St-164 Chemical or Foam injector, air injector nozzle and 1/4" MPT nozzle required and are not included
• Weight: 2.70 lb


Please use Nozzle Chart to determine proper spray nozzle size

Nozzle Chart


Use Spray Nozzle Size and Foam Nozzle Chart to determine correct Air Injector Nozzle to use

Foam Nozzle Chart


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