Parker Pneumatic
4MA NFPA Aluminum Air Cylinder
4MA NFPA Aluminum Air Cylinder
Construction
- Anodized aluminum construction
- Extruded Body or Tie-rod
- 20 standard mounting styles
- NFPA interchangeable
- Machined Endcaps
Key Features
- Low friction
- Magnetic piston ring standard
- Non-lube (no airline lubricator required)
Rod Glands
- HI LOAD gland assembly option for side load
- Metallic rod wiper gland assembly for rod adherents
- Externally removable bronze alloy rod gland
Bore/Stroke
- Extruded Body Bore Sizes: 1-1/2", 2", 2-1/2", 3-1/4", 4", 5"
- Tie-rod Construction Bore Sizes: 1-1/2", 2", 2-1/2", 3-1/4", 4", 5", 6", 8"
- Strokes: Available in any practical stroke length
Sensors
- Accepts solid-state (PNP, NPN), Reed Sensors
- NAMUR (intrinsically-safe), ATEX and Weld Immune sensors available
- End-of stroke proximity sensors available
- Most sensors CE approved and UL listed
- Continuous position sensing (LPSO option)
Sensor Installation
- Extruded body has integrated sensor grooves:
- (3) Global sensor
- (2) Mini-Global sensor
- (1) 2MA style sensor lobe (location can be configured in model number)
- Tie-rod utilizes universal bracket for Global sensors
Rods
- Rod diameters 0.625", 1.000", 1.375", 1.750"
- 4 standard rod end styles, specials available
- Case-hardened, hard chrome plated carbon steel rod standard
- Single rod end or double rod ends
- Oversized rods available
- Stainless steel rods (303, 316, 17-4)
Seal Options
- High temperature version to +250F (+121C) with fluorocarbon seals
- Low temperature version to -50F (-46C) with low temperature seals
- Fluorocarbon rod seals only available (for chemical resistance)
Cushions/Bumpers
- Bumpers and bumper piston seals
- Adjustable cushions optional at either end or both ends
- Stop Tube with cushions available
- NuCushion bumpers available
- Shock Absorber on cap end available
Ports
- NPTF ports standard
- SAE, BSPP, BSPT ports available
- Multiple ports available
- Oversized or Undersized ports available
Severe Service Options
- Stainless steel fasteners / tie-rods
- Special coatings
- Rod boots
Options
- Rod lock version (4MAJ)
- Guided version (HB family)
- Air cylinder/valve combination (ACVB option)
- Hydro-Check for smooth hydraulic control
- 250 PSIG (17 Bar) maximum air service
- Hydraulic service to 400 PSIG (27 Bar) as 4ML
- -10F to +165F (-23C to +74C) standard operating temperature range
- Zinc plated fasteners
Catalogs
4MA Technical Pages 0900P-E
2.6 MB
3MA/4MA Mounting Accessories
424.8 kB
3MA/4MA Breakaway PSI Ratings
173.6 kB
4MA Maintenance Section from 0900P-5
467.6 kB
3MA/4MA/4ML Mounting Kits
238.6 kB