Equipment › ANVER vacuum cups › OC Small Oval Suction Cups › OC10-30-NBR oval vacuum cup
OC10-30-NBR is an ANVER oval vacuum cup made of nitrile rubber. The table lists its dimensions, weight, load capacity and the matching fittings and suspensions.
ANVER Vacuum Cups and Suction Cups
Model: Small Oval Cup with Snap-On Reusable Fittings
Part Number: OC10-30-NBR
The cup capacities shown above ( * ) are based on 24″Hg at sea level with a safety factor of two (2). This is the ASME B30.20, Below-the-Hook Lifting Devices specifications and is commonly used in North America as a design capacity for vacuum components. When used in vertical applications, take these values and divide again by 2 to obtain a 4 to 1 safety factor per the ANSI specifications. These are realistic working capacities when designing equipment.
Other manufacturers use a pull-off figure at 27″Hg to show a high capacity value for their cups. This is accurate, but requires users to do all the math themselves to build in safety factors. The values are basically the same, but it is necessary to calculate the working capacities with a safety factor via the following formula at sea level:
Pull-off value (at 27″Hg) = ANVER’s Listed Capacity x 2 x 1.125 (at 24″Hg)
See also: ANVER home, ANVER vacuum cups, Oval cups
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