国产a精品视频,2020黄片在线免费观看,久久亚洲精品女人黄,亚洲国产一级在线观看在,久久精品毛片免费不卡,免费国产a深夜影院

current location: Home   >> News >> Company news

Advantages of threaded butterfly valve

1. The butterfly valve has simple structure, small volume, light weight, small installation size and convenient installation.

2. The direction of flow in and out of the valve can be arbitrarily selected, with two-way function.

3. Horizontal pipe and vertical pipe can be installed.

4. Easy to operate, quick switching and accurate positioning. The handle only needs to be turned by 90° to realize the switch. The butterfly valve is fully open, 45° open and fully closed with the handle positioning.

5. Good sealing performance, using super austenitic stainless steel

6. Long life. Seats are made of epdm rubber for good resilience and long service life.

7. The butterfly valve can be used to regulate flow. The handle can be positioned at the Angle of 45°, so the disc can be half open to adjust the flow.



崇礼县| 海盐县| 南溪县| 乐亭县| 建瓯市| 绥滨县| 台北市| 内江市| 上高县| 大同县| 香格里拉县| 昭通市| 怀远县| 廊坊市| 佛山市| 五原县| 射洪县| 湖南省|