上海汉璐提供的PUREFLEX蝶阀860系列由durcor-62材质制成。PUREFLEX蝶阀采用*的纤维增强复合材料。durcor-62材质的抗压和抗拉强度都非常高。且阀门材质的抗冲击性非常强在业内。860系列蝶阀特殊的设计几乎保证了该阀们可以用于任何管道系统。且阀门材质在-51—121度的温度范围内的热膨胀率只有0.001.且阀门重量轻，强度高

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The 860 series valve body is manufactured from Durcor-62™, PureFlex proprietary advanced fiber reinforced composite. Durcor-62™ has tensile and compressive strengths that rival steel along with outstanding impact resistance that is unmatched in the industry. Its reinforcing fibers are long and interlocked, this interlocked reinforcement system transfers loads throughout the fiber matrix, making the 860 series valve body virtually indestructible. The strength of Durcor-62™ enables the 860 series valve to maintain ANSI face to face dimensions, be direct threaded for lug design and allows it to be installed in any type of piping system without the need for special considerations. Durcor-62™ excels in temperatures from -60ºF to +250ºF and has only .001" of thermal expansion across its full temperature range.