塑料制品，有很好的耐腐蚀性能，使用也较普遍。品种有聚乙烯、聚丙烯、软聚氯乙烯、聚四氟乙烯、尼龙66、尼龙1010等。
Plastic products, have a good corrosion resistance, the more common use. Varieties are polyethylene, polypropylene, soft PVC, PTFE, nylon 66, nylon, etc. 1010.
三元乙丙橡胶，硅，viton和聚四氟乙烯座位有限，使我们蝶阀适合多种应用，如食品，乳制品，饮料，肉类加工，化工，和其他许多行业。
EPDM, Silicon, Vinton and PTFE seats are available, making our Butterfly valve suitable for many applications in such as food, dairy, beverage, meat processing, chemical, and many other industries.
三元乙丙橡胶，硅，viton和聚四氟乙烯座位有限，使我们蝶阀适合多种应用，如食品，乳制品，饮料，肉类加工，化工，和其他许多行业。
EPDM, Silicon, Vinton and PTFE seats are available, making our Butterfly valve suitable for many applications in such as food, dairy, beverage, meat processing, chemical, and many other industries.
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