Product Name: SI Series ISO6431 Pneumatic CylinderSymbol of
China SI Pneumatic Cylinder-
SI Air Cylinder:
Specification of
China SI Pneumatic Cylinder-
SI Standard Cylinder:
| Bore | 32 | 40 | 50 | 63 | 80 | 100 | 125 |
| Operation Type | Double Acting |
| Working Medium | Air |
| Mounting Accessories | BASIC, FA, FB, CA, CB, LB, YB |
| Pressure Range | 0.05Mpa--0.85Mpa(7.3--123Psi) |
| Proof Pressure | 1.35MPa(217psi) |
| Working Temperature | 0--70ºC |
| Working Speed Range | 50--800 mm/s |
| Cushion | Adjustable Cushion |
| Adjustable Cushion Stroke | 20mm | 26mm |
| Port Size | G1/8 | G1/4 | G3/8 | G1/2 |
Stroke of China SI Pneumatic Cylinder-
| Bore | Standard Stroke | Max. Stroke | Allowable Stroke |
| 32 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 | 1000 | 2000 |
| 40 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 | 1200 | 2000 |
| 50 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 900 1000 | 1200 | 2000 |
| 63 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 900 1000 | 1500 | 2000 |
| 80 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 900 1000 | 1500 | 2000 |
| 100 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 900 1000 | 1500 | 2000 |
| 125 | 25 50 75 80 100 125 150 160 175 200 250 300 350 400 450 500 600 700 800 900 1000 | 1500 | 2000 |
Dimension of China SI Pneumatic Cylinder
-SI Series Pneumatic Air Cylinder
| Bore/Symbol | A | A1 | A2 | B | C | D | E | F | G | H | I | J | K | L |
| 32 | 142 | 190 | 185 | 16 | 94 | 30 | 33 | 10 | 25 | 22 | 17 | 6 | M10 x 1.25 | M6 |
| 40 | 159 | 213 | 207 | 20 | 105 | 35 | 34 | 10 | 29.5 | 24 | 17 | 7 | M12 x 1.25 | M6 |
| 50 | 175 | 244 | 233 | 27 | 106 | 40 | 42.5 | 10 | 32 | 32 | 23 | 8 | M16 x 1.5 | M8 |
| 63 | 190 | 258 | 247 | 26 | 122 | 45 | 42 | 10 | 36 | 32 | 23 | 8 | M16 x 1.5 | M8 |
| 80 | 214 | 301 | 288 | 35 | 127 | 45 | 53 | 10 | 37 | 40 | 26 | 10 | M20 x 1.5 | M10 |
| 100 | 229 | 321 | 308 | 40 | 137 | 55 | 52 | 10 | 39 | 40 | 26 | 10 | M20 x 1.5 | M10 |
| 125 | 277 | 394 | 378 | 46 | 160 | 60 | 71 | 10 | 43.5 | 54 | 40 | 10 | M27 x 2 | M12 |
| Bore/Symbol | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Z1 |
| 32 | 12 | 15 | G1/8 | 5 | 3 | 6.5 | 45 | 32.5 | 12 | 10 | 28 | 4 | 46 | 58.7 | 21 |
| 40 | 12 | 17.5 | G1/4 | 7 | 3 | 7 | 52 | 38 | 16 | 13 | 33 | 4 | 53.7 | 68 | 21 |
| 50 | 12 | 20 | G1/4 | 7 | 3 | 9 | 65 | 46.5 | 20 | 17 | 38 | 4 | 65.8 | 84.5 | 23 |
| 63 | 12 | 22 | G3/8 | 8 | 5 | 9 | 76 | 56.5 | 20 | 17 | 38 | 4 | 79.9 | 99.6 | 23 |
| 80 | 15 | 23 | G3/8 | 10 | 5 | 12 | 94 | 72 | 25 | 22 | 43.5 | 5 | 101.8 | 123.8 | 29 |
| 100 | 15 | 26 | G1/2 | 10 | 5 | 14 | 112 | 89 | 25 | 22 | 47 | 6 | 125.9 | 148.9 | 29 |
| 125 | 20 | 29 | G1/2 | 10 | 5 | 14 | 134 | 110 | 32 | 27 | 53 | 7 | 156.9 | 179.6 | 40.5 |
Structure of China SI Pneumatic Cylinder
-SI Standard Pneumatic Cylinder:
| No. | Name | Material |
| 1 | Front Cover | Painted Aluminum |
| 2 | Back Cover | Painted Aluminum |
| 3 | Barrel | Hard Anodised Aluminum |
| 4 | Piston Rod | Chromed Carbon Steel |
| 5 | Piston | Aluminum |
| 6 | Piston Rod Seal | Polyurethane |
| 7 | Piston Seal | NBR |
| 8 | Bearing | Non-lub Bearing |
| 9 | Magnet | Plastic |
| 10 | Cushion Screw | Brass |
| 11 | Anti-frintion Ring | PTFE |
| 12 | End Cap Seal | NBR |
| 13 | Cushion Seal | NBR |
Fenghua Xinling Pneumatic Engineering Co., Ltd is the leading manufacturer and supplier of solenoid valves, cylinders, Filters, Regulators and Lubricators as well as various kinds of pneumatic accessories in China.
Since its starting in early 1900s, FL have earned great reputation as a choice for pneumatic components from both domestic and worldwide with sterling record of on-time delivery, fair pricing, product quality and highly skilled employees dedicated to continuous improvement and training.
Our vision of being a world-class supplier of pneumatic components are being achieved by every employee today. We have been exported to United States, EU, Iran, Argentina, Brazil, etc...We are expanding our customer base daily in these countries and expect in the future to have FL be more familiar all over the world.
We understands what it takes to do business across borders and can help make a sometimes difficult business transaction, simple for our customers. To ensure timely delivery, we only work with large, well-known Freight forwarders that have offices in other countries to assist with foreign customs and entry requirements.
Being "the best" has always been reflective of the attitude of FL employees. Team effort is the driving force of this philosophy. As Margaret Mead, world-renowned anthropologist, stated, "Never doubt that a small group of thoughtful, committed people can change the world. Indeed, it is the only thing that ever has. "
