At present, there are a large number of production safetyvalvespring and leveraged two broad categories.
目前大量生产的安全阀有弹簧式和杆式两大类。
2
The reason for abnormal leakage of general spring direct acting safetyvalve is analyzed and the method for overcome this abnormal leakage is proposed.
分析了一般弹簧直接作用式安全阀非正常泄漏的原因，提出了克服其非正常泄漏的方法。
3
From spring rigidity and range of set pressure, spring optimize design to same diameter's safetyvalve at set pressure near blow-down pressure are discussed.