PUMPS And vALVES Flashcards
What Types of pumps are there ?
Dynamic type and positive type
Two types of dynamic pumps ?
Centrifugal and actiol flow
Two types of positive pumps
Respecating and rotary
Name a few different types of rotatary
Screw
Swosh plate
Axle
Gear wheel
Hydro vein
Lobe
Mega tour
The types of reciprocating pumps
Double and single action pumps
Name the types of pumping methods
Suction lift (like a WEDA pump)
Suction head (pumps below a tank )
Delivery heads (pumps like HPWS pumps)
Friction pumps(RO HP pp)
Velocity head (HPSW PP)
Static head (between the top and bottom of a tank)
Types of Valves
Cock VV ,
diphagom valve(found on fridge systems )
Why would we regulate flow on the outlet vv instead of the inlet valve ?
Due to wire drawring (type of pin hole leak)
Which erodes the valve after a long time
Where do you find a backseat valve?
What does a back seat valve do
What types of operations is there
Open
Shut
Test
Why do we have the backseat valve in test
What are the four operations positions of a SDNR valve (screw down none return valve)
1-
2-
3-
4-check position (free flow back and fourth)
What is the delivery head of
