SPA3750LW, SPA3870LW, SPA4000LW耐高溫三角帶 SPA是高速防油窄V帶，適用于高速運轉、多油的環境！窄V帶的強力層采用高強度繩芯，能承受較大的預緊力，且可撓曲次數增加，當帶高與普通V帶相同時其帶寬較普通V帶小約1/ 3,承載力可提高1.5~2.5倍。在傳遞相同功率時，帶輪寬度和直徑可減小，費用比普通V帶降低20~40％。SPA是指頂寬為13、高度為10的三角帶，這種是無齒的！ XPA和SPA的尺寸都是*。其中SPA不帶齒，XPA帶齒！上海赤豐機電設備有限公司     

三角帶的每一個型號規定了三角帶的斷面尺寸，A型三角帶的斷面尺寸是：頂端寬度13mm、厚度為8mm；B型三角帶的斷面尺寸是：頂端寬度17MM，厚度為10.5MM；C型三角帶的斷面尺寸是：頂端寬度22MM，厚度為13.5MM；D型三角帶的斷面尺寸是：頂端寬度21.5MM，厚度為19MM；E型三角帶的斷面尺寸是：頂端寬度38MM，厚度為25.5MM。對應尺寸(寬*高)：O(10*6)、A(12.5*9)、B(16.5*11)、C(22*14)、D(21.5*19)、E(38*25.5)。

SPA732 SPA735 SPA757 SPA760 SPA782 SPA800 SPA807 SPA825 SPA832 SPA850 SPA857 SPA860 SPA875 SPA882 SPA885 SPA900 SPA907 SPA925 SPA932 SPA950 SPA957 SPA975 SPA982 SPA1000 SPA1007 SPA1030 SPA1032 SPA1057 SPA1060 SPA1082 SPA1090 SPA1107 SPA1120 SPA1132 SPA1150 SPA1157 SPA1160 SPA1180 SPA1207 SPA1220 SPA1232 SPA1250 SPA1272 SPA1280 SPA1282 SPA1300 SPA1307 SPA1320 SPA1357 SPA1360 SPA1367 SPA1382 SPA1400 SPA1407 SPA1410 SPA1425 SPA1432 SPA1450 SPA1457 SPA1482 SPA1485 SPA1500 SPA1557 SPA1582 SPA1600 SPA1607 SPA1632 SPA1650 SPA1682 SPA1700 SPA1707 SPA1732 SPA1750 SPA1757 SPA1782 SPA1785 SPA1800 SPA2650 SPA2682 SPA2762 SPA2782 SPA2800 SPA2832 SPA2882 SPA2900 SPA2932 SPA2982 SPA3000 SPA3032 SPA3082 SPA3150 SPA3182 SPA3282 SPA3350 SPA2750 SPA3870 SPA4000 SPA4050 SPA4100 SPA4150 SPA4200 SPA4300 SPA4350 SPA4400 SPA4450 SPA4500 SPA4525 SPA4550 SPA4575 SPA4600 SPA4625 SPA4650 SPA4675 SPA4700 SPA4725 SPA4750 SPA4770 SPA4800 SPA4825 SPA4850 SPA4875 SPA4900 SPA4925 SPA4950 SPA4975 SPA5000 SPA5025 SPA5050 SPA5075 SPA5100 SPA5125 SPA5150 SPA5175 SPA5200

SPA3750LW, SPA3870LW, SPA4000LW耐高溫三角帶