Item # AP125-SR, Durair II Pneumatic Actuator On Caylor Industrial Sales, Inc.

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Extended Cycle Life
(1 million cycles)

Low Friction Bearings
Polished Bore
Precision Machined Gears
Epoxy Coated Springs
Dry or Lubricated Air

Exterior Coatings

Tested to ASTM B117-73 (500 hrs. salt spray)
Anodized body (ASTM 6063) or nickel plated
End covers; epoxy-polyester coated or nickel plated

Mounting Styles

NAMUR dimensions for accessories
ISO dimensions for valve mounting
Shaft variations available for direct mounting
Female star drive output shaft
Independent travel stops ±4º each direction

Safety

Unit of Measure

Specifications

Open Speed	N/A 1.3 sec
Close Speed	N/A 2.1 sec
Accessories	N/A Limit Switch Positioner Solenoid Valve
Body (No. 1)	N/A Extruded Aluminum Alloy (ASTM 6063T6) Qty. 1
Piston (No. 2)	N/A Aluminum Alloy (Die Cast) (ASTM B179) Qty. 2
End Cover (No. 3)	N/A Aluminum Alloy (Die Cast) (ASTM B179) Qty. 2
Pinion (No. 4)	N/A Steel (Nickel Plated) (ASTM A105) Qty. 1
Key (Pinion Anti Ejection) (No. 5)	N/A Nylon Qty. 2
O-Ring (Pinion, bottom) (No. 6)	N/A Nitril (NBR) Qty. 1
O-Ring (Pinion, top) (No. 7)	N/A Nitril (NBR) Qty. 1
Retaining Ring (No. 10)	N/A Spring Steel Qty. 1
Spring Cartridge (No. 11)	N/A High Alloy Spring Steel Qty. 12 max.
O-Ring (Piston) (No. 12)	N/A Nitrile (NBR) Qty. 2
Piston Bearing (No. 13)	N/A Acetal Resin (LAT LUB 731 320AT +20% PTFE) Qty. 2
Cover Gasket (No. 14)	N/A Nitrile (NBR) Qty. 2
Nameplate (No. 15)	N/A Aluminum Qty. 1
Cap Screw (No. 16)	N/A Stainless Steel (18-8) Qty. 8
Nut (End Stop) (No. 17)	N/A Stainless Steel (18-8) Qty. 4
Washer (No. 18)	N/A Stainless Steel (18-8) Qty. 4
O-Ring (End Stop) (No. 19)	N/A Nitrile (NBR) Qty. 4
Screw (End Stop) (No. 21)	N/A Stainless Steel (18-18) Qty. 2
Thrust Washer (Pinion) (No. 23)	N/A Stainless Steel (18-8) Qty. 1
Thrust Bearing (No. 24)	N/A Nylon Qty. 1
Bearing (Pinion, Bottom) (No. 25)	N/A Nylon Qty. 1
Bearing (Pinion, Top) (No. 26)	N/A Nylon Qty. 1
Bearing (Piston) (No. 27)	N/A Nylon Qty. 2
Screw (Piston Stop) (No. 28)	N/A Stainless Steel (18-8) Qty. 2
Weight	N/A 31.5 lbs
Note	N/A All are factory installed and tested to manufacturer's specification.

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Specifications

Open Speed

Close Speed

Accessories

Body (No. 1)

Piston (No. 2)

End Cover (No. 3)

Pinion (No. 4)

Key (Pinion Anti Ejection) (No. 5)

O-Ring (Pinion, bottom) (No. 6)

O-Ring (Pinion, top) (No. 7)

Retaining Ring (No. 10)

Spring Cartridge (No. 11)

O-Ring (Piston) (No. 12)

Piston Bearing (No. 13)

Cover Gasket (No. 14)

Nameplate (No. 15)

Cap Screw (No. 16)

Nut (End Stop) (No. 17)

Washer (No. 18)

O-Ring (End Stop) (No. 19)

Screw (End Stop) (No. 21)

Thrust Washer (Pinion) (No. 23)

Thrust Bearing (No. 24)

Bearing (Pinion, Bottom) (No. 25)

Bearing (Pinion, Top) (No. 26)

Bearing (Piston) (No. 27)

Screw (Piston Stop) (No. 28)

Weight

Note