Valve Co., Ltd. Shanghai Dian Zhao spring automatic reset manual ball valve, ball valve automatically closes the handle spring, including the seat base and handle, the base platform mounted on ball screw, rod end is fixed to the base; installed in the shaft of the rotary valve handle seat mounted steel handles; rod over the sleeve has a spring rod, one end of the rod is fixed on the rod spring, the other end is fixed to the steel handle, steel spring lever handle set in outer space.
上海典昭閥業有限公司的彈簧自動復位手動球閥，手柄彈簧自動關閉球閥，包括底座和手柄座，底座安裝在球閥的平臺螺孔上，底座上固定有拉桿的一端；安裝在閥門回轉中軸上的手柄座上安裝有鋼管手柄；拉桿上空套有拉桿彈簧，拉桿彈簧的一端固定在拉桿上，另一端固定在鋼管手柄上，鋼管手柄空套在拉桿彈簧外。

Features:
1, manual rapid automatic reset, manual operation to avoid mistakes, no one close to open, resulting in the loss of a major accident and other media.
2, safe and reliable, can be coupled with a padlock, the guarantor in the valve opening, people walking off valves, safety performance is greatly improved.
3, you can configure a variety of 90 ° transition back ball ISO5211 platform can be equipped with three-piece, two-piece ball valves and flanged ball valves, sizes 1/4 "-2", widely used in petroleum, chemical, food, health and other industries.
4, with the most simple compression spring to replace the torsion spring into reset device and adjust the size of torque without replacing the springs.
5, using a wide range of all the transition back to the valve handle can be coupled with automatic reset implementation requires automatic reset function.
彈簧自動復位手動球閥產品特點：
1、手動快速自動復位，避免手動操作失誤、開后無人關閉，從而造成介質流失等重大事故。
2、安全可靠，可配上掛鎖，保證人在閥開、人走閥關，安全性能大大提高。
3、可配置ISO5211平臺的各種90°回轉型球閥，可配三片式、兩片式球閥和法蘭球閥，尺寸規格1/4＂-２＂，廣泛用于石油、化工、食品、衛生等行業中。
4、用最簡單的壓縮彈簧取代扭簧實現復位的裝置，且可調整扭矩的大小而不更換彈簧。
5、使用范圍廣，所有回轉型閥門配上自動復位的手柄均可實現自動復位的功能的要求。
彈簧自動復位手動球閥連接尺寸：