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A corrosion resistant check valve 2011-12-28
A corrosion resistant check valve having plastic components in the fluid path is provided. The check valve broadly compr
Vibration of check valve causing noise 2011-12-27
The check valve according to the invention has an advantage over the prior art that the ball, at the ends of the check v
An improved check valve 2011-12-26
Prior check valve arrangements are not deemed to be sufficiently sensitive to small differential pressures, i.e., cracki
More particularly to an improved check valve 2011-12-23
The invention is particularly applicable to a valve that is extremely sensitive to low cracking pressures and will be de
A check valve with a housing having a valve seat 2011-12-22
There is a general need for devices preventing return flow, for instance under conditions of underpressure, in order to
A ball check valve with the seat and ring 2011-12-21
A ready-to-use valve assembly comprising three component parts, namely, a gasket ring having a valve seat, a ball check
Rotating the check valve disk 2011-12-20
A check valve for use in a GDCS of a nuclear reactor and having a motor driven disk including a rotatable armature for r
Improved check valve plastic tubing 2011-12-19
An improved check valve of rigid plastic tubing of inexpensive fabrication. The check valve is made of plastic tubing in
