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| 首页Home＞美国红阀公司气动夹管阀 Red Valve's Air Operated Pinch Valve＞正文Text | 【下一页Next】 |
| 01_app_ chemical_A_75 | A型夹管阀 - 应用资料 化工 ♦ 化工处理 ♦ A型和系列75夹管阀 |
 美国红阀公司 |
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这家散装化学品公司采用气动A型夹管阀和系列75美国红阀公司的夹管阀，是由于在低压剪切感光乳剂生产过程中，这种化学乳剂具有凝结成块和堵塞的特性。这个系统，一共有48个生产罐，以前一直采用隔膜阀。由于生产罐的安装非常接近地面，因此就必须考虑空间节省问题。当遇到紧急情况时，就感到没有足够的空间可以接近1号阀门（参见左图）。 This bulk chemical company uses pneumatic Type A Valves and Series 75 Red Valve Pinch Valves due to the clumping and clogging nature of its chemical emulsion in this low pressure shear sensitive emulsion production process. This system, with 48 production tanks, previously used diaphragm valves exclusively. Space efficiency is neccessary due to the method of thank installation in close proximity to the floor. Very little room was available to get to valve number 1 for emergency operation. 2号阀门也很难进行维护，因为它的弹簧复位执行器非常重，而且正好位于管道转向地面的弯管上，因此管道承受着很大的压力。这个控制阀是一个堰式隔膜阀，在流体系统中形成一个堵塞点，需要经常进行维护。1号阀位于乳剂预处理罐底部与地面之间，万一遇到紧急情况需要关闭时很难接近操作。作为1号阀的替代品，美国红阀公司A型夹管阀和无故障气动系统700，也就是左图中的3号阀，极大地改善了流体介质的流动性。采用全流道的A型夹管阀后，也同时没有必要采用2号阀，这空间很狭小的地方意义重大。美国红阀公司出品的A型无故障系统700从热储系统里提供气压，一个这种供气系统可以同时操作几个夹管阀。显著的效果就是，成本降低，空间利用更充分，生产系统的流动性更高。 Valve number 2 is awkward to maintain, as its spring return actuator is heavy and causes unnecessary strain on the pipe elbow just above it before the pipe turns downward through the floor. This control valve is a weir diaphragm valve and has created a clogging congestion point in the flow system that requires constant maintenance. Valve number 1 is located between the bottom of the emulsion preparation tank and the floor, and is difficult to reach in the event of emergency shutoff. As a replacement of valve number 1 with Red Valve's Type A and pneumatic fail-safe system 700, valve number 3 has accomplished an improvement in the fluid dynamics of the system. The full port Type A Valve has also removed the necessity for valve 2 in a space restricted location. The Type A fail-safe system 700 from Red Valve is sized to provide air pressure in the reservoir system to operate multiple valves from one reservoir. The net effect is a lower cost, more space efficiency, and a more flow efficient production system. 第4B号阀门是一个全流道系列75夹管阀，它替代了第4A号阀门--一个手轮操作的堰式隔膜阀。流动性更好了，也降低了阀门内流体的紊乱，因此灌桶过程更快，溅出浪费也更少。还有，在遇到紧急情况时，能够迅速有效关闭系统。 Valve number 4B is a full port Series 75 that replaces valve number 4A, a handwheel operated weir diaphragm valve. The higher flow capacity and reduced turbulence in the valve allow the barrel filling operation on the scale to be accomplished faster and with less splashing and waste. Still, it allows emergency shutoff of the system. |
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