Nopak is a leading U.S. manufacturer of pneumatic and hydraulic cylinders, valves and industrial equipment.
Manufactured in Milwaukee, Wisconsin since 1889.
Options:
Non-Round Rod Cylinders
Positive non-rotating cylinder for Nopak Class 6 pneumatic cylinders
- Highest torque carrying capacity.
- Rod free to reciprocate but not rotate.
- Bores of 1" and 2" diameter.
Reed Proximity Switches
Switches can be mounted anywhere in the piston travel range.
Proximity Position Indicator Switch
Confirms piston position in either extended or retracted positions.
Provides positive full indication of stroke.
Nopak Linear Displacement Transducer System (NLDT)
For 2" bore and larger for Class 6 pneumatic cylinders
- Multiple output options to choose from.
| Nopak NFPA High Pressure Square Head Hydraulic Cylinders |
| For heavy-duty service and low maintenance operation |
| Series |
Max Cont. PSI |
Bores |
Mountings styles |
Cushions |
| Class 3 (CL3) |
3000 PSI |
1-1/2" to 20" |
20 |
adjustable or none |
- Piston rods - Hard chrome-plated stress proof steel, ground and polished, or equivalent, 100,000 minimum yield tensile.
- Piston Assembly of high-strength cast iron. Outboard piston rings with center "T" ring.
- Rod Packing - Multi-lipped seals.
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| Nopak NFPA Intermediate Pressure Square Head Hydraulic Cylinders |
| For heavy-duty service and low maintenance operation |
| Series |
Max Cont. PSI |
Bores |
Mountings styles |
Cushions |
| Class 6 Hydraulic (CLH6) |
1500 PSI
(Bore rated) |
1-1/2" to 20" |
23 |
self-regulating,
adjustable, or none |
- Piston Rods - Hard chrome-plated stress proof steel, ground and polished, or equivalent, 100,000 minimum yield tensile.
- Piston Assembly - Pistons fitted with resilient "U" cup seals.
- Rod Packing - Multi-lipped seals.
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| Nopak Casthead Hydraulic Cylinders |
| For "workhorse" performance with minimum maintenance under rigorous operating conditions. |
| Series |
Max Cont. PSI |
Bores |
Mountings styles |
Cushions |
| Class 2 (CL2) |
450 PSI |
1-1/2" to 14" |
6 |
self-regulating,
adjustable, or none |
- Piston rods - Hard chrome-plated C1144 stress-proof steel. Stainless 303 optional.
- Piston - Iron alloy available with your choice of cup packings, piston rings, or "U" cups.
- Rod Packing - Multi-lipped "V" type. Threaded packing glands have nylock inserts to prevent loosening.
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| Nopak Casthead Hydraulic Cylinders: Severe Service |
| For severe service applications |
| Series |
Max Cont. PSI |
Bores |
Mountings styles |
Cushions |
| Class 2 Severe (CL2/SVR) |
450 PSI |
3" to 8" |
4 |
self-regulating,
adjustable, or none |
| Nopak Sqairpak™ Square Barrel Hydraulic Cylinders |
| Easy to clean for applications where sanitary considerations are importan |
| Series |
Max Cont. PSI |
Bores |
Mountings styles |
Cushions |
| Class 7 (CL7) |
1000 PSI
(bore rated) |
3/4" to 3" |
7 |
bumpers or none |
- Barrel constructed from hard coated, extruded aluminum alloy.
- No tie rods or lock rings.
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We reserve the right to make changes without notice and are not responsible for errors or omissions. Please verify all details with your sales representative.
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