предохранительный клапан

We promise our products are better than the same trade occupation. All our bovs are thoroughly tested to make sure the valve opens and closes properly at the set rates on the springs. The allowable errors for valves are controlled within 2%more or less. The SQV uses a uniqe sequential valve structure and a differential pressure control system which allows for a broad operation range from low boost to high boost . The quality of our products are reliable and the prices are competitive.Customers are welcom to the real test and compare our products with others regardless of design, material,working process,or the actual use of results. We have confidence that good quality can also have its pretty price.