Dover Hydro 39741 Snelstarthandleiding - Pagina 2

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Metering Tip Selection:

The fi nal concentration of the dispensed solution is re-

lated to both the size of the metering tip opening and

the viscosity of the liquid being siphoned. For water-thin

products, the chart at left can be used as a guideline. If

product is noticeably thicker than water, consult the Mea-

surement of Concentration Procedure below to achieve

your desired water-to-product ratio. Because dilution can

vary with water temperature and pressure, actual dilution

achieved can only be ascertained by using the Measure-

ment of Concentration Procedure. The clear, undrilled tip

is provided to permit drilling to size not listed should you

need a dilution ratio that falls between standard tip sizes.

NOTE: A 1 GPM eductor is grey; a 4 GPM eductor is yellow.

Refer to parts diagram if unfamiliar with names of system

components.

Measurement of Concentration:

You can determine the dispensed water-to-product

ratio for any metering tip size and product viscosity.

All that is required is to operate the primed dispenser

for a minute or so and note two things: the amount of

dispensed solution, and the amount of concentrate used

in preparation of the solution dispensed.

Dilution Ratio (X:1) where X = Amount of Mixed Solution — Amount of Concentrate Drawn

Dilution Ratio, then, equals X parts water to one part concentrate (X:1). If the test does not yield the desired ratio, choose a diff erent tip

and repeat the test. Alternative methods to this test are 1) pH (using litmus paper), and 2) titration. Contact your concentrate supplier

for further information on these alternative methods and the materials required to perform them.

AccuPro Select Parts Diagram List:

APPROXIMATE DILUTIONS

AT 40 PSI FOR WATER-THIN PRODUCTS (1.0 CP)

Tip

Oriﬁ ce

Std. Drill

Ratio (per Eductor Flow)

Color

Size

Number

1 GPM

3.5 GPM

No Tip

.187

(3/16)

2.6:1

Grey

.128

(30)

2.6:1

Black

.098

(40)

2.5:1

Beige

.070

(50)

3:1

Red

.052

(55)

5:1

White

.043

(57)

7:1

Blue

.040

(60)

9:1

Tan

.035

(65)

11:1

Green

.028

(70)

17:1

Orange

.025

(72)

19:1

Brown

.023

(74)

22:1

Yellow

.020

(76)

32:1

Aqua

.018

(77)

39:1

Purple

.014

(79)

64:1

Pink

.010

(87)

128:1

Amount of Concentrate Drawn

Key

Part No.

Description

238100

Strainer washer

10082830 Swivel collar (molded)

10082811 Swivel stem (molded)

10075926 Pipe plug

10091035 Wall bracket

10093995 Cabinet

10020700 Selector valve grommet

10020900 Back up ring for grommet

10093710 Button, dark grey

10075980 Valve parts kit

a. diaphragm, b. armature,

c. spring, d. valve bonnet

10079010 Spring

10079000 Magnet

10075986 Water valve

13 a 290

1 GPM eductor assembly

b 291

3.5 GPM eductor assembly

AccuPro Select Parts Diagram:

4:1

5:1

8:1

13:1

22:1

26:1

34:1

52:1

64:1

71:1

102:1

128:1

213:1

447:1

Key

Part No.

14 a 10088822 1 GPM discharge tube assembly

b 90048495 3.5 GPM discharge tube assembly

10080730 Hose hook, grey, for

10080957 Selector replacement kit:

690014

500814

509900

10089410 Footvalve, viton (EPDM also

NOT SHOWN:

641751

13a,b

14a,b

Description

3.5 GPM discharge tube

e. support clip, f. Suction stub,

g. O-ring, h. selector valve assembly

Metering tip (kit)

Tubing, 1/4" x 14'

Weight

available order 10076302)

Screws (cabinet sides)