| 摘要 |
A pin valve assembly includes a discharge opening and groove within a threaded body portion providing for the escape of pressurized gases contained within a cylinder prior to the pin valve becoming unthreaded from the cylinder. The valve includes a threaded portion that is assembled and threaded into the cylinder. The threaded portion includes a discharge opening and a groove. As the pin valve is unthreaded, the groove and discharge opening communicate pressurized material against a seal. Once a pressure on the seal is reduced to a desired level, gas is communicated from the cylinder and exhausted past the seal.
|
