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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.

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  • DEMA 211 Series .029 Single Barb Rocket Injector Repair Kit

    DEMA
    UWS Part #: DE-21.029
    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
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  • DEMA 211 Series Single Barb Injector Check Valve Repair Kit

    DEMA
    UWS Part #: DE-21.001
    MSRP: $4.22
    MSRP: $4.22 - MSRP: $4.22
    MSRP: $4.22
    UWS Price: $4.22

    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: $4.22
    MSRP: $4.22 - MSRP: $4.22
    MSRP: $4.22
    UWS Price: $4.22
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  • DEMA Proportioner w/Tubing Kit, 3/8", 1 GPM

    DEMA
    UWS Part #: DE-164C
    MSRP: $45.32
    MSRP: $45.32 - MSRP: $45.32
    MSRP: $45.32
    UWS Price: $45.32

    DEMA Proportioner w/Tubing Kit, 3/8", 1 GPM

    MSRP: $45.32
    MSRP: $45.32 - MSRP: $45.32
    MSRP: $45.32
    UWS Price: $45.32
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    DEMA Proportioner w/Air Gap, 3/8", 1 GPM

    DEMA
    UWS Part #: DE-164AG
    MSRP: $48.84
    MSRP: $48.84 - MSRP: $48.84
    MSRP: $48.84
    UWS Price: $41.51

    DEMA Proportioner w/Air Gap, 3/8", 1 GPM

    MSRP: $48.84
    MSRP: $48.84 - MSRP: $48.84
    MSRP: $48.84
    UWS Price: $41.51
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    DEMA Mixrite Proportioner, 1.0 - 10.0% (10:1 - 100:1), 14 GPM, Aflas Seals, Hastelloy Springs, On/Off

    DEMA
    UWS Part #: DE-1410M
    MSRP: $744.36
    MSRP: $744.36 - MSRP: $744.36
    MSRP: $744.36
    UWS Price: $632.71

    DEMA 1410M Mixrite Proportioner, 1.0 - 10.0% (10:1 - 100:1), 14 GPM, Aflas Seals, Hastelloy Springs, On/Off The 1400 Series medium-flow proportiona...

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    MSRP: $744.36
    MSRP: $744.36 - MSRP: $744.36
    MSRP: $744.36
    UWS Price: $632.71
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    DEMA Mixrite Proportioner, 1.0 - 10.0% (10:1 - 100:1), 14 GPM, Aflas Seals, Hastelloy Springs

    DEMA
    UWS Part #: DE-1410A
    MSRP: $720.23
    MSRP: $720.23 - MSRP: $720.23
    MSRP: $720.23
    UWS Price: $612.20

    DEMA 1410A Mixrite Proportioner, 1.0 - 10.0% (10:1 - 100:1), 14 GPM, Aflas Seals, Hastelloy Springs The 1400 Series medium-flow proportional inject...

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    MSRP: $720.23
    MSRP: $720.23 - MSRP: $720.23
    MSRP: $720.23
    UWS Price: $612.20
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    DEMA Mixrite Proportioner, 0.4 - 4.0% (25:1 - 250:1), 14 GPM, Aflas Seals, Hastelloy Springs, On/Off

    DEMA
    UWS Part #: DE-1405M
    MSRP: $568.02
    MSRP: $568.02 - MSRP: $568.02
    MSRP: $568.02
    UWS Price: $482.82

    DEMA 1405M Mixrite Proportioner, 0.4 - 4.0% (25:1 - 250:1), 14 GPM, Aflas Seals, Hastelloy Springs, On/Off The 1400 Series medium-flow proportional...

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    MSRP: $568.02
    MSRP: $568.02 - MSRP: $568.02
    MSRP: $568.02
    UWS Price: $482.82
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    DEMA Mixrite Proportioner, 0.4 - 4.0% (25:1 - 250:1), 14 GPM, Aflas Seals, Hastelloy Springs

    DEMA
    UWS Part #: DE-1405A
    MSRP: $567.97
    MSRP: $567.97 - MSRP: $567.97
    MSRP: $567.97
    UWS Price: $482.77

    DEMA 1405A Mixrite Proportioner, 0.4 - 4.0% (25:1 - 250:1), 14 GPM, Aflas Seals, Hastelloy Springs The 1400 Series medium-flow proportional injecti...

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    MSRP: $567.97
    MSRP: $567.97 - MSRP: $567.97
    MSRP: $567.97
    UWS Price: $482.77
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  • DEMA Mixrite Proportioner, 0.3 - 2.0% (50:1 - 333:1), 14 GPM, Aflas Seals, Hastelloy Springs

    DEMA
    UWS Part #: DE-1402A
    MSRP: $538.59
    MSRP: $538.59 - MSRP: $538.59
    MSRP: $538.59
    UWS Price: $538.59

    DEMA 1402A Mixrite Proportioner, 0.3 - 2.0% (50:1 - 333:1), 14 GPM, Aflas Seals, Hastelloy Springs The 1400 Series medium-flow proportional injecti...

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    MSRP: $538.59
    MSRP: $538.59 - MSRP: $538.59
    MSRP: $538.59
    UWS Price: $538.59
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  • DEMA Tubing & Foot Valve Assembly 3/8" X 6' Long, Viton Seal

    DEMA
    UWS Part #: DE-100.16V.34
    MSRP: $9.01
    MSRP: $9.01 - MSRP: $9.01
    MSRP: $9.01
    UWS Price: $9.01

    Foot valve and tubing assembly featuring a DEMA 100.16V Viton foot valve.  Tubing is 3/8" x 6' long.

    MSRP: $9.01
    MSRP: $9.01 - MSRP: $9.01
    MSRP: $9.01
    UWS Price: $9.01
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  • DEMA Tubing & Foot Valve Assembly 3/8" X 4' Long, Viton Seal

    DEMA
    UWS Part #: DE-100.16V.23
    MSRP: $10.67
    MSRP: $10.67 - MSRP: $10.67
    MSRP: $10.67
    UWS Price: $10.67

    Foot valve and tubing assembly featuring a DEMA 100.16V Viton foot valve.  Tubing is 3/8" x 4' long.

    MSRP: $10.67
    MSRP: $10.67 - MSRP: $10.67
    MSRP: $10.67
    UWS Price: $10.67
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  • DEMA Tubing & Foot Valve Assembly 1/4" X 8' Long, Viton Seal

    DEMA
    UWS Part #: DE-100.16V.18
    MSRP: $9.76
    MSRP: $9.76 - MSRP: $9.76
    MSRP: $9.76
    UWS Price: $9.76

    Foot valve and tubing assembly featuring a DEMA 100.16V Viton foot valve.  Tubing is 1/4" x 8' long.

    MSRP: $9.76
    MSRP: $9.76 - MSRP: $9.76
    MSRP: $9.76
    UWS Price: $9.76
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  • DEMA Tubing & Foot Valve Assembly 3/8" X 8' Long, Viton Seal

    DEMA
    UWS Part #: DE-100.16V.17
    MSRP: $13.70
    MSRP: $13.70 - MSRP: $13.70
    MSRP: $13.70
    UWS Price: $13.70

    Foot valve and tubing assembly featuring a DEMA 100.16V Viton foot valve.  Tubing is 3/8" x 8' long.

    MSRP: $13.70
    MSRP: $13.70 - MSRP: $13.70
    MSRP: $13.70
    UWS Price: $13.70
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  • DEMA Tubing & Foot Valve Assembly 3/8" X 8' Long, EPDM Seal

    DEMA
    UWS Part #: DE-100.16E.4
    MSRP: $12.49
    MSRP: $12.49 - MSRP: $12.49
    MSRP: $12.49
    UWS Price: $12.49

    Foot valve and tubing assembly featuring a DEMA 100.16E EPDM foot valve.  Tubing is 3/8" x 8' long.

    MSRP: $12.49
    MSRP: $12.49 - MSRP: $12.49
    MSRP: $12.49
    UWS Price: $12.49
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  • DEMA Tubing & Foot Valve Assembly 3/8" X 6' Long, EPDM Seal

    DEMA
    UWS Part #: DE-100.16E.21
    MSRP: $10.29
    MSRP: $10.29 - MSRP: $10.29
    MSRP: $10.29
    UWS Price: $10.29

    Foot valve and tubing assembly featuring a DEMA 100.16E EPDM foot valve.  Tubing is 3/8" x 6' long.

    MSRP: $10.29
    MSRP: $10.29 - MSRP: $10.29
    MSRP: $10.29
    UWS Price: $10.29
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  • DEMA Tubing & Foot Valve Assembly 1/4" X 8' Long, EPDM Seal

    DEMA
    UWS Part #: DE-100.16E.1
    MSRP: $8.81
    MSRP: $8.81 - MSRP: $8.81
    MSRP: $8.81
    UWS Price: $8.81

    Foot valve and tubing assembly featuring a DEMA 100.16E EPDM foot valve.  Tubing is 1/4" x 8' long.

    MSRP: $8.81
    MSRP: $8.81 - MSRP: $8.81
    MSRP: $8.81
    UWS Price: $8.81
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  • DEMA Metering Tip - Blue

    DEMA
    UWS Part #: DE-100.15.9
    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90

    DEMA standard metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accordi...

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    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90
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  • DEMA Metering Tip - Green

    DEMA
    UWS Part #: DE-100.15.8
    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90

    DEMA standard metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accordi...

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    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90
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  • DEMA Metering Tip - Red

    DEMA
    UWS Part #: DE-100.15.6
    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90

    DEMA standard metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accordi...

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    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90
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  • DEMA Metering Tip - Mahogany

    DEMA
    UWS Part #: DE-100.15.24
    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90

    DEMA standard metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accordi...

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    MSRP: $0.90
    MSRP: $0.90 - MSRP: $0.90
    MSRP: $0.90
    UWS Price: $0.90
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  • DEMA Metering Tip - Light Purple

    DEMA
    UWS Part #: DE-100.15.21
    MSRP: $1.16
    MSRP: $1.16 - MSRP: $1.16
    MSRP: $1.16
    UWS Price: $1.16

    DEMA standard metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accordi...

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    MSRP: $1.16
    MSRP: $1.16 - MSRP: $1.16
    MSRP: $1.16
    UWS Price: $1.16
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  • DEMA Metering Tip - Burgundy

    DEMA
    UWS Part #: DE-100.15.16
    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47

    DEMA ultra-lean metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accor...

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    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47
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  • DEMA Metering Tip - Amber / Pumpkin

    DEMA
    UWS Part #: DE-100.15.15
    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47

    DEMA ultra-lean metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accor...

    View full details
    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47
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  • DEMA Metering Tip - Copper

    DEMA
    UWS Part #: DE-100.15.14
    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47

    DEMA ultra-lean metering tip for injectors with 1/4" barbs.  See metering tip chart for dilution ratios for water-thin (1 CPS) products.  Set accor...

    View full details
    MSRP: $1.47
    MSRP: $1.47 - MSRP: $1.47
    MSRP: $1.47
    UWS Price: $1.47
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