CV9 Master Catalog

Specifications subject to change without notice or incurring obligation 4 8-14-08 Option Specifications RUBBER BUMPERS Rod End only -BF Cap End only -BR Both Rod & Cap Ends -BFR A rubber doughnut is bonded to the cylinder head to act as the piston stop and absorb the impact of the pis- ton. This reduces noise and absorbs energy, thus reducing damage to the cylinder and tooling due to pounding. The amount of rubber that extends beyond the normal piston stop is de- signed to compress and allow full stroke of the cylinder at 60 to 80 psi. If your application uses lower pressure or has high energy, consult engineering with application details so that rubber mass can be adjusted to meet your specific requirements. Because of the temperature limitations of the adhesives involved (-25° to +225°F), rubber bumpers are available in cylinders with standard internally lubricated Buna-N seals only. Use where noise reduction and impact absorption is desired. Note! On applications such as punch- ing, shearing, setting blind rivets, etc., where high forces are built up and then releasedVERY quickly, the proper method of “catching” this type of load is to adjust the cylinder piston and the tooling so that at the point of breakthrough the piston is very close to the bumper.This reduces the dynamic load that the piston and bumper are required to absorb. Rubber Bumpers EXTEND PORT BUSHING OPTION 3/8 NPT (2-1/2" – 8" bores) -E38 1/2 NPT (2-1/2" – 8" bores) -E12 3/4 NPT (5" – 12" bores) -E34 The cap end plug is replaced with an extended plug of black anodized aluminum with a female NPT port. The standard cap end port is plugged. Standard port plugged Extended Cap End Plug with Female NPT Port AZ BZ Extend Port CZ Wrench Flats Use for plumbing convenience, or when higher air flows are required for higher cycle speeds. 1/2 NPT PORTS IN HEADS 2-1/2", 3", 4", 5", & 6" Bores only Rod End Head -TF Cap End Head -TR Both Heads -TFR 3/4 NPT PORTS IN BOTH HEADS 10" & 12" Bores only -P34 For 2-1/2" thru 6" bores thicker heads (to accept 1/2 NPT ports) replace the standard heads. Because of the thicker heads, there is an increase in the Di- mension “A” and a reduction of the rod extension as charted below. With this construction, an O'Ring replaces the fiber gasket cylinder tube seal. For 10" and 12" bores, 3/4 NPT ports are applied to standard heads. Use when higher cycle speeds are required. Bore 2-1/2 3 4 5 6 8 10 12 AZ .38 .38 .38 .38 .38 .31 .50 .50 Dimensions (inches) BZ 1.13 1.13 1.50 1.75 1.75 1.75 2.75 2.75 CZ .94 .94 1.26 1.50 1.50 1.50 2.25 2.25 E38 ✓ ✓ ✓ ✓ ✓ ✓ – – E34 – – – ✓ ✓ ✓ ✓ ✓ E12 ✓ ✓ ✓ ✓ ✓ ✓ – Availability Standard rubber mass will compress and give full stroke at 60 to 80 psi. This mass can be adjusted to meet your specific pressure and/or dynamic load requirements. HP Series with Option BFR shown O'Ring Tube Seal Both Ends HH-DR + Stroke – Option -DR only HH QC NPT A + [See chart] TC RC TR RR QR NPT See pages 4.5 & 4.6 for Dimension “A” 4.8 A .38 .38 .76 0.00 Add to QC 1/4 1/2 1/2 3/4 QR 1/2 1/4 1/2 3/4 RC 2-1/2 & 3" Bore 0.75 1.00 1.00 – RC 4, 5 & 6" Bore 0.75 1.25 1.25 – RC RR 2-1/2 & 3" Bore 1.00 0.75 1.00 – RR 4, 5 & 6" Bore 1.25 0.75 1.25 – RR 10 & 12" Bore – – – 1.50 HH 2-1/2, 3 & 4" Bore 0.12 0.50 0.12 – HH 5 & 6" Bore 0.31 0.69 0.31 – HH 10 & 12" Bore – – – 1.00 Option TF TR TFR P34 HH-DR 2-1/2, 3 & 4" Bore 0.50 0.12 0.12 – HH-DR 5 & 6" Bore 0.69 0.31 0.31 – HH-DR 10 & 12" Bore – – – 1.00 TC .31 .50 .50 .63 TR .50 .31 .50 .63

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