4MAJ Series Tie Rod Cylinders, 1-1/2" to 8" Bore Sizes, Rod Lock Option | Parker NFPA

Features:

Industry leading NFPA interchangeable rod lock cylinder with flexible construction
Rod lock holding force equivalent to cylinder outpuit force at 100 PSI
Manual override feature standard on all configurations
Cushions - standard and adjustable at both ends
Strokes available in any practical stroke length

Operating Information:

Operating pressure -

100 PSI (7 bar) maximum air pressure, except 2" bore with 1" rod, rated at 80 PSI
60 PSI (4.1 bar) minimum air pressure to release rod lock

Temperature range -

Standard seals: -10°F to 165°F
Fluorocarbon seals: -10°F to 250°F

General Specifications:

Bore sizes - 1-1/2", 2", 2-1/2", 3-1/4", 4", 5", 6" and 8"
Rod diameters - 5/8", 1", 1-3/8" and 1-3/4"
Single or double rod ends
4 standard rod end styles; specials available
17 standard mounting styles

Material Specs

Options and Modifications

Mounting Styles

Material Specifications for Standard Temperatures and Applications

Head and Cap	Black anodized aluminum alloy
Head and Cap Screws	Zinc plated steel alloy
Cylinder Body	Clear anodized aluminum alloy
Piston Rod	Case-hardened, chrome plated carbon steel
Rod Lock Housing	Black anodized aluminum alloy
Rod Lock Wiper	Fluorocarbon
Rod Lock Screws	Black oxidized steel alloy
Manual Override Shaft	416 stainless steel
Rod Seal	Carboxylated nitrile (Nitroxile)
Rod Wiper	Molythane
Rod Bearing (Gland)	Bronze alloy
Piston	Aluminum alloy
Piston Seals	Carboxylated nitrile (Nitroxile)
Piston Bearing	Composite (for standard piston); MolyGard™ (for aluminum piston)
Magnetic Ring	Plastic-bound magnetic material
Piston Fastener	Piston rod for aluminum piston
O-Rings	Nitrile
End Seals	Nitrile
Cushion Seals	Urethane
Cushion Needle Valves	Stainless steel
Tie-Rods/Studs	Blackened carbon steel 1018 (some mounts)
Tie-Rod Nuts	Steel alloy, SAE J995 Grade 8 (some mounts)

Options and Modifications:

Piston bumper seals
Piston bumpers (1/4" thick)
Port and cushion adjust relocation
Port thread styles
Multiple ports
Adjustable sensors
Linear position sensing option (LPSO)
Double rod end

Stop tube
Mixed mountings
Round tube and tie rod construction
Shock absorber on cap end
Hydro-Check unit for smooth hydraulic control
Air cylinder/valve combination (ACVB)
Rod end modifications

(For a guided verseion of the 4MAJ Series, see the HB series page.)

Mounting Styles - Dimensions (Small Bore, Up to 5"):

Mounting Styles - Dimensions (Large Bore, 6" & 8"):

Engineering & Product Selection Information

Pneumatic Product Selection

Pneumatic Actuators & Air Cylinders
Pneumatic Cylinders
Automation Products: rotary actuators, grippers, slide tables, rotary tables, escapement
Actuator Accessories: Linear alignment couplers, flow controls, air oil tanks, rodlocks, electronic sensors, shock absorbers

Application Engineering Data

WARNING: These products can expose you to chemicals including lead and/or DEHP and/or carbon black, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

	Tie Rod Cylinders		Guided Cylinders
	Round Body Cylinders		Rodless Cylinders
	Compact Cylinders