CPC E21B 43/2607 (2020.05) [F04B 53/1037 (2013.01); F16K 1/42 (2013.01); F16K 15/03 (2013.01)] | 37 Claims |
6. A swing valve, said swing valve comprising:
(a) a passage having a receptacle; and
(b) a sleeve pressure fitted into said receptacle, said sleeve adapted to conduct flow through said valve and comprising:
i) a first end pressure fitted into said receptacle;
ii) a second end projecting out of said receptacle; and
iii) a valve seat on a face of said second sleeve end;
iv) wherein said second sleeve end comprises external threads adapted to engage internal threads on a sleeve cap extending over and across said second sleeve end to shut off flow through said sleeve.
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