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The PT-type spring's features are convenient installation and so on. It has threaded screws and screw holes at both the top and bottom ends. The upper end of the spring is equipped with a height-adjustment nut, allowing free height adjustment according to installation requirements. Lateral rubber dampers are installed at both ends of the damper, increasing the vertical damping coefficient and enhancing longitudinal and lateral stiffness, ensuring safer operation of equipment.
① The PT-type spring is made of high-temperature die-cast aluminum alloy, offering not only high deformation capacity, stable performance, and low natural frequency, but also excellent corrosion resistance and toughness.
② The springs used in the PT-type spring damper are made of 60Si2Mn, a high-quality alloy steel material, designed with a low natural frequency value and treated with ED anti-rust coating and paint, ensuring superior vibration damping performance and long service life.
③ A galvanized steel cap is installed at the top end of the spring, which ensures more even force distribution while enhancing appearance and providing rust protection. The PT-type spring damper features screws and screw holes at both the top and bottom ends, constructed from stainless steel. The unique design at the top allows for height adjustment according to actual requirements.
⑤ A dedicated rubber load-bearing pad is mounted at the top, increasing the friction coefficient and improving equipment stability.
⑥The two ends of the spring shock absorber also have lateral rubber damping, which increases the vertical damping coefficient, enhances the longitudinal and transverse stiffness, and ensures the safe operation of the equipment.
⑦The bottom of the spring is also equipped with rubber concave-convex grooves, which have an anti-displacement function and ensure the smooth operation of the equipment.
⑧In addition to installing a dedicated rubber pressure-bearing pad at the bottom of the shock absorber, there is also a foundation fixing hole. By installing bolts, the product foundation can be effectively fixed, which plays an important role in improving the stability of the product.
⑨Product application scope: The PT type spring shock absorber not only features a simple design structure, a compact and sturdy appearance, and easy installation, but also has excellent pressure-bearing and pressure-stabilizing performance. It is mainly applicable to mechanical equipment such as fans, pumps, air conditioning units, plumbing, consumer goods, and power.
| Model | L (mm) | L1 (mm) | L2 (mm) | L3 (mm) | H (mm) | D (mm) | M (mm) |
| PT-S | 149 | 128 | 101 | 66 | 110 | 15*22 | 10 |
| PT-M | 180 | 152 | 116 | 76 | 135 | 12*27 | 12 |
| PT-L | 210 | 186 | 152 | 88 | 164 | 15*25 | 14 |
| Model | Load-bearing range (KG) | Vertical stiffness (KG/mm) | Applicable flexibility (mm) |
| PT-S-20 | 15~30 | 0.8 | 25 |
| PT-S-40 | 30~50 | 1.6 | 25 |
| PT-S-60 | 50~70 | 2.4 | 25 |
| PT-S-80 | 70~90 | 3.2 | 25 |
| PT-S-100 | 90~120 | 4.0 | 25 |
| PT-S-150 | 120~180 | 6.0 | 25 |
| PT-M-200 | 180~230 | 8.0 | 25 |
| PT-M-250 | 230~280 | 8.7 | 25 |
| PT-M-300 | 280~320 | 10.8 | 25 |
| PT-M-350 | 320~380 | 12.1 | 25 |
| PT-M-400 | 380~450 | 14.2 | 25 |
| PT-M-500 | 450~550 | 18.1 | 25 |
| PT-L-600 | 550~650 | 22.6 | 25 |
| PT-L-700 | 650~750 | 26.0 | 25 |
| PT-L-800 | 750~850 | 32.5 | 25 |
| PT-L-900 | 850~950 | 39.4 | 25 |
| PT-L-1000 | 950~1110 | 46.0 | 25 |
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