一、进口对夹式双瓣止回阀概述

进口对夹式双瓣止回阀，也称为蝶式止回阀，对夹式双瓣止回阀用于纯净管路及工业、环保、水处理、高层建筑给排水管路，防止介质逆向流动之用。

美国威盾VTON对夹式双瓣止回阀采用对夹式，蝶板为两个半圆，且采用弹簧强制复位，密封面可为本体堆焊耐磨材料或衬橡胶，使用范围广，密封可靠。

Double disc check valves, also known as butterfly check valves, are used in pure pipelines and industrial, environmental, water treatment, and high-rise building drainage pipelines to prevent reverse flow of media.

The Weidun VTON double disc check valve in the United States adopts a clamp type, with two semi-circular butterfly plates and a forced spring reset. The sealing surface can be made of wear-resistant material or lined with rubber, which has a wide range of use and reliable sealing.

二、进口对夹式双瓣止回阀性能参数

三、进口对夹式双瓣止回阀尺寸图