| 摘要 |
A valve assembly is provided. The valve assembly comprises a housing having an inlet, a first outlet, and a passageway extending therebetween, the passageway having a first inner diameter at the inlet and a second inner diameter at the first outlet, a first poppet valve disposed in, and adapted to selectively seal, the inlet, a second poppet valve disposed in, and adapted to selectively seal, the first outlet, the second poppet valve coupled to the first poppet valve, and a biasing member coupled to the second poppet valve, the biasing member adapted to exert a force sealing the second poppet valve. |
