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R5 & A5 Design Features

A

Heavy Duty RodCartridge

E

Double-Lipped RodWiper

F

Ports

?SAE ports standard on HR5and HA5; NPTF ports available at no extra charge?NPTF ports standard on R5,LR5, A5 and LA5; SAE ports available at no extra charge?Metric, BSPManifold, Flangeand other porting options avail- able ?Machined from gray iron formaximum bearing support and wear resistance?Unitized, threadless assemblyis pilot fitted into the head on a precision bored diameter to assure true concentricity (See Fig. 3-1) ?Nitrile double-lipped rod wiperremoves foreign materials from the exposed rod to extend rod seal life?The standard rod wiper isnitrile material through 5
1 /
2 ” ;Viton for 7 ” through 10 ” diameterrods?Metallic rod scraper and lowfriction wipers available

B

Piston Seals

?Nitrile lip-type seals standardon R5, LR5, HR5, LA5 and HA5?Step cut iron piston ringsoptional on HR5?Viton lip seals available forspecial fluid compatibility or temperatures to 400°F?Special seals for high speed,low friction and other require- ments are available

H B C

Piston

?Ductile iron piston on R5 forstrength and durability?Aluminum piston on A5.Magnetic ring for switch opera- tion optional (not shown)

I C D

Pressure Energized RodSeal

L J

?Nitrile rod seal standard,assures positive sealing with low drag?Viton rod seal available forspecial fluid compatibility or temperatures to 400°F?Special seals for high speed, lowfriction and other requirements are available.?Polymyte backup ring is standard

K G

Key Features

Fig.3-2 Fig.3-1 Unitized Rod CartridgeConstruction Sculptured FloatingCushions

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The unitized construction contains allcartridge seals in one assembly. Self-centering cushions aresculptured to allow the cylinder driving force and load to be absorbed gradually and smoothly over the entire cushion length maintaining near constant pressure. ?
Standard removable retainer allows cartridge removal with hex wrench without loosening the tie rods. ?
See Page 5 for exceptions. 3