NYP series internal gear pump is a kind of new positive
displacement pump,and is designed according to the different
fields' requirements of petroleum ,chemical industry ,paint
,medicine ,foodstuff and so on.It widly applies to a variety of
mediums with different property and viscosity because of special
structure and selected different pump's matenrials.
Proper medium temperature:-10℃～200℃(about NYP0.78&
Proper medium viscosity:1.0cSt～300,000cSt(about NYP0.78 &
NYP2.3,1.0cSt～10000cSt)Type of structure(As gigure)
driving gera （outside rotor）with internal tooth drives the internal
rotor and turns in same direction in the full closed pump body.The
inlet from the outlet.When it turns,negative pressure formed at the
suction port,the liquid inhaled and being take to thr outlet by
rotor,then the liquid is wxpelled from th discharge port sa the
gears mesh.The transpor-tation of liquid finished.
As figure I The pumps are mainly composed of internal rotor,outside
rotor,shaft,pump casing,front cover,seal,bearing etc.
The pump'seal adopts packing seal or mechanical seal.When the
delivered medium is high temperatur ,high visc or strong
corrosion,packing seal should be adopted.
When the delivered medium is easy crystallinic ,we can designthe
heat preservation jacket in pump casing and front cover in order to
melt the medium with steam wen working.The pump can be also fitted
with the safty valve.
The pump set is composed of the pump,motor and baseplate.
The driving way is belt wheel driving or coupling driwing.ADVANTAGES
1)Steady edlivery without pulsation ,little vibration and noise.
2)Outstanding self-priming abitity.
3)The pump can deliver the varied corrosion mediums if the proper
material of poarts selected.In addition ,the working temperature
can reach 200℃.
4)The same rotary direction of internal rotor and outside rotor
results in little wear and long loperation life .
5)The pump's flow capacity can be changed through adjusting the
6)It's specilly suited to deliver high visc medium.MODEL EXPLANATIONS
Code of Design Improverment