丹富斯对夹止回阀产用于纯净管路及工业、环保、水处理、高层建筑给排水管路，阻止介质逆向流动之用。该止回阀采用对夹式连接，蝶板为两个半圆，也叫双瓣止回阀，采用弹簧强制复位，阀门打开时双瓣成蝶形，也称作蝶形止回阀，其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。
丹富斯对夹式双瓣蝶形止回阀【产品特点】
  1、结构简单，重量轻，特别适合低压大口径管道；
  2、对夹连接方式，生产工艺简单，拆装方便；
  3、密封面可为本体堆焊耐磨材料或橡胶，使用范围广，密封可靠。
丹富斯对夹式双瓣蝶形止回阀【执行标准】
  设计规范：API 594
  结构长度：GB/T 12221 API 594
  法兰连接：GB/T 9113  JB/T 79  ASME B16.5
  试验与检验：GB/T 13927  JB/T9092

Dan fuss valve, check valve for clean production line and industry, environmental protection, water treatment, high-rise building water supply and drainage pipeline, prevent reverse flow of medium. The check valve adopts the clamp connection, the butterfly plate into two semicircle, also called double disc check valve, the spring force reduction, valve open double disc into a butterfly, also known as the butterfly check valve, the sealing surface for ontology surfacing welding wear-resisting material or rubber lining, using range is wide, reliable sealing.

Dan fu si wafer butterfly double disc check valve product features 】 【

1, simple structure, light weight, especially suitable for low voltage large caliber pipe;

2, to the clamp connection mode, production process is simple, easy to tear open outfit;

3, available for body welding wear-resisting material or rubber sealing surface, using range is wide, reliable sealing.