| 摘要 |
<p>A safety or pressure relief valve which relieves excessive pressure in a storage reservoir in a compressed air system. The valve includes a lower valve body and an upper valve housing. A valve seat member is secured in the lower valve body. The valve seat member includes an annular dovetail groove for accommodating and retaining a fluorocarbon rubber O-ring seat. A valve disc and stem slidable within a stem guide member located in the upper valve housing. A compression spring for urging the valve disc against the fluorocarbon rubber O-ring seat to positively seal off the flow of air between an inlet and outlet port.</p> |
