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US3746300A
|
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Flow regulator
|
|
US3554488A
|
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Plug valve
|
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GB1163626A
|
|
Ball Check Valve.
|
|
US3327635A
|
|
Pumps
|
|
US3380470A
|
|
Flow regulator with radially expanding elastomeric block
|
|
GB1102143A
|
|
Throttling valve and seats therefor
|
|
US3297298A
|
|
Throttling valves and erosionresistant seats therefor
|
|
US3368787A
|
|
Flow regulator with radially expanding elastomeric block
|
|
US3282113A
|
|
Pipeline sampler
|
|
US3326516A
|
|
High pressure plug valve
|
|
US3194534A
|
|
Balanced stemless rotary plug valve and sealing structure therefor
|
|
US3314643A
|
|
Throttling valve
|
|
US3265083A
|
|
Pig handling valve
|
|
US3165122A
|
|
Plug valve
|
|
GB939999A
|
|
Plug type fluid-flow control valve
|
|
GB997569A
|
|
Fluid-flow control valve seat
|
|
US3093122A
|
|
Fluid operated pump
|
|
US2892610A
|
|
Plug valve
|
|
US2868497A
|
|
High-pressure valve assembly
|
|
CA722435A
|
|
Plug valve
|
