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SR20 stainless steel hydraulic cylinder

 
 
 
Dimensions
SR20 is a double acting cylinder made entirely of stainless steel. Standard cylinder diameter from ø25 mm up to and including ø80 mm.
Enter page Technical drawings for standard cylinders.
 
Application
Typically used within food industry, fishing industry, environmental technology and wherever the surroundings or the hydraulic fluid condition the use of stainless steel. The cylinder design is simple and robust ensuring long service life in adversely affected environments.

Cylinder Tube
Seamless stainless steel, quality W.St. 1.4301
Honed, Ra max. 0.1 micron.
Internal tolerance H9.
The cylinder tube is also available in acid proof material W.St. 1.4401

Piston Rod
Centerless-polished stainless steel,
quality W.St. 1.4301 or 1.4460 (optional),
hard chromed min. 20 micron.
Temper, min. 850 HV .
Ra max. 0.3 micron.
External tolerance h9.
 
Piston Rod Speed:
Max. speed 0.3 m/s.
For higher velocities, use special seals.
Please state when ordering.
 
Sealings, Piston
Compact packing with nitrile centre ring, polyelastomer shock rings and acetal
wear rings.
Piston Rod: Acrylic nitrile rubber seal ring.
Wear Rings: PTFE with bronze.
Scraper: Single lip rubber scraper
 
Connections
Cylindrical pipe thread BSP

Operation pressure: Max. 200 bar.

Operation temperature: 
 -20° to +100° C 

Pressure medium:
Hydraulic oil on mineral oil basis.
 
Test pressure: Pressure tested at 250 bar
 
Dimensioner
SR20 er en dobbeltvirkende hydraulikcylinder fremstillet i rustfrit stål. Standard cylinder diameter fra ø25 mm til og med ø80 mm.
Se siden Technical drawings for standard cylindere.

Anvendelse
Anvendes typisk indenfor levneds middel industri, fiskeri, miljøteknik og i øvrigt hvor omgivelserne eller trykmediet betinger brugen af rustfrit stål.
Cylinderne er af enkel robust konstruktion, der sikrer lang levetid i belastede miljøer.

Cylinderrør
Sømløst rustfrit stålrør, kvalitet W.St. 1.4301,
Honet, Ra max. 0,1 mikron.
Indvendig tolerance H9.
Cylinderrøret leveres også i syrefast
materiale W.St. 1.4401

Stempelstang
Centerless-slebet rustfrit stål,
kvalitet W.St. 1.4301 el. 1.4460 (option),
hårdforkromet min. 20 mikron.
Hårdhed, min. 850 HV .
Ra max. 0,3 mikron.
Udvendig tolerance h9.

Stempelstangshastighed
Max. hastighed 0,3 m/s.
Ved højere hastighed anvendes special
pakninger.
Venligst oplys ved ordre.

Pakninger, stempel 
Kompakttætning med nitrilring,
stødringe i polyelastomer og føringsringe
i acetalplast.
Stempelstang:Tekstil-indvævet acrylnitril.
Føringsbånd: PTFE med bronzefyld.
Afstryger: Nitrilgummi

Tilslutninger
Cylindrisk rørgevind BSP

Driftstryk: Max. 200 bar.

Driftstemperatur: -20° til +100° C

Trykmedie
Hydraulikolie på mineraloliebasis.
 
Test: Tryktestet ved 250 bar.
 

 

 

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