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Proven Products - Nationwide Delivery

DEMA Engineering

DEMA pioneered dilution control systems by introducing the first slide-bar faucet proportioner in 1956.  They now provide one of the largest ranges of chemical dosing and fluid control products in the global market. 

DEMA offers a full line of proven quality built fluid control devices, components, and systems to handle different fluid types, pressures, and applications. Their expertise in machining and casting fluid control devices is the backbone of their business and has built their reputation in manufacturing and process engineering markets.

  • DEMA 221 Series .051 Dual Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-22.051
    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35
  • DEMA 221 Series .040 Dual Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-22.040
    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35
  • DEMA 221 Series .029 Dual Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-22.029
    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $31.35
    MSRP: $31.35 - MSRP: $31.35
    MSRP: $31.35
    UWS Price: $31.35
  • DEMA 221 Series Dual Barb Injector Check Valve Repair Kit

    DEMA
    UWS Part #: DE-22.001
    MSRP: $7.47
    MSRP: $7.47 - MSRP: $7.47
    MSRP: $7.47
    UWS Price: $6.35

    DEMA Rocket Injector check valve kits include only the ball, spring, and o-rings necessary to replace the check valve portion of a Rocket injector.

    MSRP: $7.47
    MSRP: $7.47 - MSRP: $7.47
    MSRP: $7.47
    UWS Price: $6.35
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  • DEMA Rocket XL Single Barb (.206 Nozzle) Injector Assy. Black, 14.2 GPM

    DEMA
    UWS Part #: DE-211.206
    MSRP: $103.53
    MSRP: $103.53 - MSRP: $103.53
    MSRP: $103.53
    UWS Price: $88.00

    Single Barb Rocket XL Injector, 1/2" NPT Standard Connect, 14.2 GPM, 0.206" Diameter Orifice The Rocket injector was designed to be the most versat...

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    MSRP: $103.53
    MSRP: $103.53 - MSRP: $103.53
    MSRP: $103.53
    UWS Price: $88.00
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  • DEMA Rocket XL Single Barb (.185 Nozzle) Injector Assy. Lt Orange, 11.4 GPM

    DEMA
    UWS Part #: DE-211.185
    MSRP: $103.53
    MSRP: $103.53 - MSRP: $103.53
    MSRP: $103.53
    UWS Price: $88.00

    Single Barb Rocket XL Injector, 1/2" NPT Standard Connect, 11.4 GPM, 0.185" Diameter Orifice The Rocket injector was designed to be the most versat...

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    MSRP: $103.53
    MSRP: $103.53 - MSRP: $103.53
    MSRP: $103.53
    UWS Price: $88.00
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  • DEMA Rocket Single Barb (.136 Nozzle) Injector Assy. Brown, 6.1 GPM

    DEMA
    UWS Part #: DE-211.136
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 6.1 GPM, 0.136" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Rocket Single Barb (.125 Nozzle) Injector Assy. Dk Green, 5.3 GPM

    DEMA
    UWS Part #: DE-211.125
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 5.3 GPM, 0.125" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Rocket Single Barb (.116 Nozzle) Injector Assy. Purple, 4.3 GPM

    DEMA
    UWS Part #: DE-211.116
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 4.3 GPM, 0.116" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Rocket Single Barb (.098 Nozzle) Injector Assy. Lt Green, 3.4 GPM

    DEMA
    UWS Part #: DE-211.098
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 3.4 GPM, 0.098" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Rocket Single Barb (.086 Nozzle) Injector Assy. Blue, 2.6 GPM

    DEMA
    UWS Part #: DE-211.086
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 2.6 GPM, 0.086" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Rocket Single Barb (.083 Nozzle) Injector Assy. Grey, 2.4 GPM

    DEMA
    UWS Part #: DE-211.083
    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55

    Single Barb Rocket Injector, 3/8" NPT Standard Connect, 2.4 GPM, 0.083" Diameter Orifice The Rocket injector was designed to be the most versatile ...

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    MSRP: $64.18
    MSRP: $64.18 - MSRP: $64.18
    MSRP: $64.18
    UWS Price: $54.55
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  • DEMA Quick Coupler Socket Stainless 3/8" MNPT

    DEMA
    UWS Part #: DE-21.RQCC
    MSRP: $19.91
    MSRP: $19.91 - MSRP: $19.91
    MSRP: $19.91
    UWS Price: $19.91

    DEMA quick coupler socket for Rocket Injectors.  3/8" NPT thread and 3/8" quick disconnect.

    MSRP: $19.91
    MSRP: $19.91 - MSRP: $19.91
    MSRP: $19.91
    UWS Price: $19.91
  • DEMA 211 Series .206 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.206
    MSRP: $27.62
    MSRP: $27.62 - MSRP: $27.62
    MSRP: $27.62
    UWS Price: $27.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $27.62
    MSRP: $27.62 - MSRP: $27.62
    MSRP: $27.62
    UWS Price: $27.62
  • DEMA 211 Series .185 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.185
    MSRP: $26.06
    MSRP: $26.06 - MSRP: $26.06
    MSRP: $26.06
    UWS Price: $26.06

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $26.06
    MSRP: $26.06 - MSRP: $26.06
    MSRP: $26.06
    UWS Price: $26.06
  • DEMA 211 Series .177 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.177
    MSRP: $27.62
    MSRP: $27.62 - MSRP: $27.62
    MSRP: $27.62
    UWS Price: $27.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $27.62
    MSRP: $27.62 - MSRP: $27.62
    MSRP: $27.62
    UWS Price: $27.62
  • DEMA 211 Series .161 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.161
    MSRP: $26.06
    MSRP: $26.06 - MSRP: $26.06
    MSRP: $26.06
    UWS Price: $26.06

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $26.06
    MSRP: $26.06 - MSRP: $26.06
    MSRP: $26.06
    UWS Price: $26.06
  • DEMA 211 Series .136 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.136
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .125 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.125
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .098 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.098
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .086 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.086
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .083 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.083
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .070 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.070
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62
  • DEMA 211 Series .040 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.040
    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62

    DEMA Rocket Injector repair kits include the barbs, check valves, seals, screws, and orifice required to rebuild the corresponding Rocket injector.

    MSRP: $23.62
    MSRP: $23.62 - MSRP: $23.62
    MSRP: $23.62
    UWS Price: $23.62