Tank car bottom valve

Details Tank car bottom valve Tank car bottom valve

B - Operations, Transporting

61

D

B61D 7/16 (2006.01) F16K 27/07 (2006.01)

Patent

CA 2062502

Abstract of the Disclosure A bottom outlet valve for a tank on a vehicle, especially for a railway tank car. The valve comprises a valve body including a valve seat, a valve stem spring biased toward the closed position against the seat and an operator assembly for mechanically opening and closing the valve stem. The operator assembly may be removed from the valve body in an improved facile manner by means of bolts all located exterior of the operator housing. A lost motion linkage allows the stem to seat under spring pressure even though the stem seals have become worn. The assembly has been uniquely designed to permit easier and safer installation and maintenance of the valve due in part to an improved stem cage assembly.

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