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775/775DCDA Repair Kits

First Check Kit

EDP No.

Kit No.

Size

For use with /Model #'s

0888900

RK 775/775DCDA CK 1

3" - 4"

3" - 4" 775/775DCDA/N775/N775DCDA

0888901

RK 775/775DCDA CK 1

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kits include: Complete No. 1 Check Assembly with Check O-ring.

Second Check Kit

0888902

RK 775/775DCDA CK 2

3" - 4”

3" - 4" 775/775DCDA/N775/N775DCDA

0888903

RK 775/775DCDA CK 2

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kits include: Complete No. 2 Check Assembly with Check O-ring.

Cover Kit

0888904

RK 775/775DCDA C

3" - 4”

3" - 4" 775/775DCDA/N775/N775DCDA

0888905

RK 775/775DCDA C

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kit includes: Cover, Grooved Coupler & Gasket.

First Check Rubber Parts Kit

0888906

RK 775/775DCDA RC1

3" - 4"

3" - 4" 775/775DCDA/N775/N775DCDA

0888907

RK 775/775DCDA RC1

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kit includes: First Check Assembly O-ring and Check Disc

Second Check Rubber Parts Kit

0888908

RK 775/775DCDA RC2

3" - 4"

3" - 4" 775/775DCDA/N775/N775DCDA

0888909

RK 775/775DCDA RC2

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kit includes: Second Check Assembly O-ring and Check Disc

Rubber Total Parts Kit

0888910

RK 775/775DCDA RT

3" - 4"

3" - 4" 775/775DCDA/N775/N775DCDA

0888911

RK 775/775DCDA RT

6" - 8"

6" - 8" 775/775DCDA/N775/N775DCDA

Kit includes: First and Second Check Assembly O-ring, and First and Second Check Disc

Watts Series 775/775DCDA 3" - 8"

Figure 3

Figure 4

Figure 5

No. 1 Cam-Check
Assembly

No. 2 Cam-Check
Assembly

1st Cam-check
O-ring (removable)

2nd Cam-check
O-ring (removable)

Groove Coupler

Groove Coupler
Gasket

Ball Valve

Ball Valve

Cover Plate

5

No. 1 Check Assembly

No. 2 Check Assembly

Содержание 775 Series

Страница 1: ...misapplication or improper installation of the product THE COMPANY MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED EXCEPT AS PROVIDED IN THIS LIMITED WARRANTY For field testing procedure send for IS TK...

Страница 2: ...o remove foreign material before installing the unit A strainer should be in stalled as shown ahead of the backflow preventer to prevent discs from unnecessary fouling CAUTION Do not install a straine...

Страница 3: ...Up D The downstream shutoff should be closed Open upstream slowly fill the valve and bleed the air through Test cock 2 3 and 4 When valve is filled open the downstream shutoff slowly and fill the wat...

Страница 4: ...Check 6 and 8 models only Place yourself so that the water flow through the valve is left to right 1 Shut down water system and lock out system if possible Slowly open all ball valves to relieve air a...

Страница 5: ...775DCDA RC1 3 4 3 4 775 775DCDA N775 N775DCDA 0888907 RK 775 775DCDA RC1 6 8 6 8 775 775DCDA N775 N775DCDA Kit includes First Check Assembly O ring and Check Disc Second Check Rubber Parts Kit 088890...

Страница 6: ...screwdriver lift the bar up so that the clapper is free to swing up wards away from the seat Figure 8 Using your free hand swing the clapper open until the roller is almost to the free end of the bar...

Страница 7: ...urns to PSID No 2 shutoff valve is leaking excessively and must be replaced to test the valve 8 Close all test cocks remove hoses from TC 2 and TC 3 and TC 1 reopen shutoff valve 1 Proceed to Test No...

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