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黑四氟盘根 G_PTFE packing 型号 Type 黑四氟乙烯类盘根 types of G_ PTFE packing TD-640 黑四氟盘根 G_PTFE packing TD-640Y 含油黑四氟盘根 G_PTFE packing with oil TD-640SC 黑四氟盘根硅胶芯盘根 G_PTFE packing rubber core TD-640TC 含油黑四氟盘根硅胶芯盘根 G_PTFE packing with oil & rubber core TD-640E 芳纶复合增强黑四氟盘根 Reinforced G_PTFE packing with Aramid fiber TD-640 GFO GORE-Tex R GFO 盘根 GORE-Tex R 100% GFO packing TD-640黑四氟盘根，又称全能王盘根，该盘根由一种含有石墨的聚四氟乙烯纤维编织而成的盘根。用于所有化学介质的泵轴密封。低磨擦系数使盘根具有稳定性的长寿命，它还具有良好的抗拉强度和较高的热传导性。盘根有优良润滑性将不会割伤轴杆，并能降低轴套的更换成本 The packing made of PTFE yarn containing graphite．It is recommended for shafts for almost alI chemicals．Stability and long service lift are achieved by low friction coefficient．It has great tear strength and high thermal conductivity．This selflubrication packing does not score the shaft and minimizes sleeve rep;acement cost 适应于密封碱、溶剂、水、蒸气泵，在离心泵、压热器、搅拌器、混合器等中的酸类，除了强酸氧化物外(如王水、发烟硝酸、发烟硝酸)等。 Designed for seal alkalis。solvents，water,steam，acids except strong oxidizing acids(aqua regia，fuming nitric acid，fuming nitric acid，fuming sulfuric acid，etc．)for centrifugal pumps，autoclaes，agitators mixers．etc． 服务范围 SERVICE LIMITS 项目 ITEM 旋转泵Rotating 往复泵Reciprocating 静密封 Static 工作压力Pressure Psi bar Kg/cm2 15 100 150 轴速Shaft speed M/s 12 6 密度Density g/cm3 1.5 温度Temperature °C －150~+260 PH值 PH range 0-14 常规尺寸 STOCK DIMENSIONS 截面尺寸Sizemm 4 5 6 8 10 12 14 15 16 18 19 20 约appr. m/kg 45 29 21 12 7.4 5.1 3.8 2.9 2.3 1.9 1.6 1.3 公斤/卷kg/coil 2 5
