Page 102 - Suttner Product Catalog - 2025-2026

FOAMING: FOAM INJECTORS

ST-166 DUAL CHEMICAL INJECTOR (stainless steel)
Use for chemical & foam applications.
Food • Designed to inject and mix 2 chemicals
Food
Grade ORDER # NOZZLE / simultaneously.
Grade
ORIFICE
200166499 3.0 • Durable stainless steel.
Inlet 200166500 3.5 • 20 dosing nozzles to control chemical suction
200166505 4.0 included (see page 108 for dilution ratios).
200166510 4.5 • Temperature: 194° F.
200166515 5.5 • Inlet: 3/8” F.
Outlet 200166520 6.0 • Outlet: 3/8” M.
200166525 7.0 • Pressure: 1000-5000 PSI.
200166530 8.0 • Flow Rate: 1-18 GPM.
200166535 8.5 • Weight: .75 lb.
ALSO AVAILABLE: 200166540 9.0 • Optimum foam created 130°F or less.
Extreme chemical injectors 200166545 10.0
for PH Level 2.0 or below. 200166550 11.0
Available in all orifice sizes. Internal view
200166555 12.0
200166560 12.5 Chemical 1 Chemical 2
200166565 14.0
200166570 15.0
200166580 18.0
dosing dosing
nozzles nozzles

ST-166 System Diagram

Flow Rate: 1 GPM - 18 GPM
High
Min. PSI: 1000 Pressure
High
Pressure
Pump
Max. PSI: 5000 Pump
ST-166 Dual
Chemical Injector
Chemical
Mix
ST-31 .35” I.D. .35” I.D. Chemical
Mix
Chemical Filter Hose Hose
ST-31
Foam Lance Chemical Filter
Spray
Gun 3/8” I.D.
Chemical hose and Pressure Hose
chemical filter sold separately
Under 6 GPM Components FOOD GRADE
ST-72 Foam Lance Food
Food
Grade
Grade
ST-75 Foam
Nozzle
ST-1500 ST-2605F ST-2720F ST-72F
Foam
Spray Gun Spray ST-75S Spray Gun Lance
ST-175 Foam Lance Gun Foam Nozzle
Over 6 GPM Components FOOD GRADE
Food
Food
Grade
Grade
ST-72 ST-72F
ST-75.2 Foam Foam
Long Range Lance ST-2620F Lance
Foam Nozzle ST-76 Spray Gun ST-2720F
Foam ST-3225 Inline Spray Gun
Blaster Spray Gun
ST-176 Foam Lance
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102 SUTTNER AMERICA COMPANY