To protect water hammer, the technologies of enlarging slow-closing time, prolongating closing distance of run and pressurerelieving are adopted in this device.
为防止水击采用减缓关闭时间，拉长关闭行程和向外泄压等措施。
2
The present invention belongs to the field of pressure container safety equipment technology, and is one overpressure fluid relieving safety device.
本发明属于压力容器安全装备技术领域，是流体超压的安全泄压装置。
3
Rated relieving capacity: The flow capacity of a relief device expressed in terms of air flow at standard conditions ( SCFH or Nm3/h) at a designated pressure or vacuum.