Emerson KEYSTONE FIGURE 738, Инструкции по ремонту и обслуживанию

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KEYSTONE PNEUMATIC ACTUATORS
FIGURE 738
PARTS LIST SIZES P1-P6
No. Description Material
1 End cap Anodized aluminium
2 Barrel* Aluminium alloy
3 Piston Aluminium
4 Piston seal Nitrile
5 Piston wear ring Carbon filled PTFE
6 Piston rod seal Nitrile
7 Barrel seal Nitrile
8 Head cap Anodized aluminium
9 Piston rod 316 S/S
10 Clevis pin 304 S/S
11 Rod bearing Sintered bronze
PARTS LIST SIZES P7-P17
No. Description Material
1 End cap Carbon steel
2 Tie rod Carbon steel
3 Barrel Filament wound
Glass epoxy
4 Piston Carbon steel
5 Piston rod seal upper Nitrile
6 Piston wear ring Carbon filled PTFE
7 Piston seal Nitrile
8 Piston rod seal lower Nitrile
9 Piston rod bushing Sintered bronze or PTFE/lead/bronze
10 Head cap Carbon steel
11 Piston rod 316 S/S
12 Clevis 304 S/S
13 Clevis fasteners 304 S/S
14 Piston rod scraper seal Nitrile
NOTE
* Aluminium alloy barrels are standard up to and including size P6 actuators.
Glass epoxy composite is standard thereafter.
NOTE
When ordering retro-fit cylinders for sizes P7 to P17 for a Keystone knife gate valve, a different bridge piece may
be required, consult factory.
Note: New style F738 sizes P1-P6 illustrated.
Note: New style F738 sizes P7-P17 illustrated.
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