阀体：不锈钢、铸钢 密封：聚四**乙烯、尼龙、巴氏合金

阀体：铸钢、不锈钢 密封：聚四**乙烯、增强聚四**乙烯

阀体：不锈钢、碳钢镀镍 密封：增强聚四**乙烯

阀体：不锈钢 密封：聚四**乙烯、增强聚四**乙烯

阀体：不锈钢 密封：聚四**乙烯、增强聚四**乙烯

阀体：不锈钢 密封：聚四**乙烯、增强聚四**乙烯

阀体：不锈钢 密封：聚四**乙烯、增强聚四**乙烯

阀体：不锈钢、碳钢 密封：聚四**乙烯、不锈钢、硬质合金钢

阀体：不锈钢、碳钢镀镍 密封：增强聚四**乙烯

阀体：不锈钢、碳钢镀镍 密封：增强聚四**乙烯