<p>A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.</p>
申请公布号
CA2618418(A1)
申请公布日期
2007.02.15
申请号
CA20062618418
申请日期
2006.08.10
申请人
ENVIROTECH PUMPSYSTEMS, INC.
发明人
HARMON, JAMES;PAULIN, GREG;SHAW, JAMES G.;NORTHRUP, JAMES