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Dema 221.161 Dual Barb 8.7 GPM XL Rocket Chemical Injector - Dark Gray

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0.25 lbs
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The dual barb Rocket injector is the most versatile injector in the market! Built to last and efficient, this injector has the lowest pressure loss among competitors. 

Technical Specifications

Max GPM: 8.7
Orifice: 0.161 Inch
Inlet Port: 1/2 Inch
Outlet Port: 1/2 Inch

Product Description

Dual Barb, 8.7 GPM, 0.161" Orifice

Clean with greater pressure while consuming less chemicals! The Dema rocket injector has a dark gray color-coded metering barb to easily identify the nozzle orifice size inside injectors. Rocket chemical injectors are also effortless to repair, using removable nozzles and metering barbs to make maintenance and repair simple while extending the life of the injector. The long lasting, durable components are designed to be field serviceable and reduce maintenance costs.

Rocket chemical injectors cover an extreme range of dilution ratios. The teflon ball offers chemical compatibility and the check valve keeps the chemical at the ready. The flexibility of the Rocket helps to operate systems at lower pressures, saving energy, and reducing operational costs.


  • Viton diaphragm
  • 1/4" hose barb
  • 1/2" male NPT outlet and inlet ports
  • Injectors can thread directly into manifold
  • Flow orifice: 0.161"
  • Flow rate at 200 PSI: 8.7 GPM
  • Dark gray color-coded metering barb to identify nozzle orifice size
  • 316 strong stainless steel cast external body
  • Polypropylene molded internal body protects stainless steel
  • 316 stainless steel removable nozzle
  • Optimum chemical compatibility:
    •  Aflas seals
    •  Hastalloy spring
    •  Teflon ball

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