DeZurik PEC 5450 Руководство - Страница 5
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Печатать страницуRequired Tools
To adjust the packing, you will need a socket and ratchet handle to remove the access cover screws.
•
1/2" socket for all sizes
To adjust the four packing nuts, you will need a combination wrench.
•
15/16" for sizes 3650 and 4200
•
1-1/8" for sizes 4250 thru 5400
•
1-5/16" for sizes 5450 thru 7200
To disassemble the valve, you will need the tools mentioned above, plus wrenches to remove the
bonnet and lower journal.
You will need wedges and a dead blow hammer to help remove the bonnet from the body.
Lifting devices capable of handling the weights of the components are needed.
A fixture or counterbalance is needed for removing the plug from the body.
Approximate weights of the components are shown in Table B.
Table B: Basic Valve and Component Weights
(does not include actuator weight)
Valve Size
April 2015
Valve Component Weights (pounds)
Total
Body
3650
11,200
6,000
4200
11,500
6,200
4250
22,500 12,000 4,000
4850
23,000 12,500 4,000
5400
23,500 13,000 4,000
5450
36,000 17,000 7,000
6050
38,000 20,500 7,000
6600
39,000 23,000 7,000
7200
44,000 25,000 7,000
3650-7200 PEC Eccentric Valves
Plug
Bonnet Journal Cover
2,000
1,200
2,000
1,200
2,500
2,500
2,500
4,000
4,000
4,000
4,000
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