CE Approved NYP Asphalt Gear Pump

• Mesh Form: Internal Engaged
• Tooth Flank: Straight Tooth
• Tooth Curve: Cycloid
• Power: Electric
• Type: Internal Gear Pump
• Applications: Transfer Pump
• Model NO.: NYP7.0A
• Certification: CE, ISO
• Pump Body Material: Cast Iron Ht200
• Gear Material: 40cr
• Shaft Material: 45# Steel
• Seal: Packing Seal or Mechanical Seal
• Safety Valve: Can Add The Safety Valve
• Transport Package: Export Stundard Wooden Case
• Specification: CE SGS
• Trademark: HOFFWELL
• Origin: Cn
• HS Code: 8413602990
• Production Capacity: 1500 Sets/ Year

Product Description

>>>Brief introduction 

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 insustry, paint, medicine, foodstuff and so on. It widely applies to a variety of mediums with different property and viscosity because of special structure and selected different pump's materials. 
Proper medium temperature: -10. C-200. C 
Proper medium viscosity: 1.0cst-300, 000cst 

>>>structure 

(1)working principle 
Driving gear (outside rotor) with internal tooth drives the internal rotor and turns in same direction in the full closed pump body. The pump casting and crescent of the front cover separate the inlet from the outlet. When it turns, negative pressure formed at the suction port, the liquid inhaled and being taken to the outlet by rotor, then the liquid is expelled from the discharge port as the gears mesh. The transportation of the liquid finished 
(2)Structure Feature 
Component: Internal rotor, outside rotor, shaft, pump body, front cover, seal, bearing etc. 
The seal of pump adopts packing seal or mechanical seal. When the delivered medium is high temperature, high viscosity or strong corrosion, packing seal should be adopted. 
When the delivered medium is easy crystalline materials, we can design the heat preservation jacket in pump body and front cover in order to melt the medium with steam when working, the pump can be also fitted with the safety valve. 
The pump set is composed of the pump, motor and base plate, the direction way is belt wheel driving or coupling driving. 
The rotation direction is clockwise from motor end. 

>>>Advantage 

(1)steady delivery without pulsation, little vibration and low noise 
(2)outstanding self-priming ability 
(3)the pump can deliver the varied corrosion medium if the pump parts selected proper materials. In addition the working temperature can reach max 200. C
(4). The same rotary direction of internal rotor and outside rotor results in little wear and long operation life.
(5). The pump's flow can be changed through adjusting the speed.
(6). It's specially suited to deliver high viscosity medium.

>>>Model explanation

NYP means internal gear pump
7.0 means displacement L/100r
A means code of design improvement

>>>Other models:
 

Model	Path mm	Displacement theory L/100rev	Viscosity cSt	Speed r/min	Pressure(MPa)				Connections
					0.4	0.6	0.8	1.0
					Shaft power(kw)Capacity(L/min)
NYP0.78	15	0.78	20	1390	0.17/9.3	0.23/9.0	0.28/8.8	0.32/8.6	G1/2"
			60	1390	0.18/9.5	0.24/9.2	0.28/9.0	0.33/8.9
			200	1390	0.31/10.4	0.35/10.2	0.39/10.0	0.43/9.9
			600	1390	0.39/10.4	0.44/10.3	0.48/10.3	0.52/10.2
			2000	910	0.23/6.8	0.27/6.8	0.30/6.8	0.33/6.7
			6000	720	0.24/5.4	0.31/6.1	0.30/6.8
NYP2.3	25	2.3	20	1400	0.38/28.4	0.49/27.5			G1"
			60	1400	0.59/29.2	0.65/28.8
			200	1400	0.61/30.0	0.72/29.6
			600	1400	0.92/31.9	0.96/31.7
			2000	910	0.61/19.9	0.68/19.7
			6000	720	0.77/16.32	0.83/16.2
NYP3.6	40	3.6	20	1450	0.69/46.7	0.94/45.9	1.18/45	1.44/43.4	Flange
			60	1450	0.81/47.5	1.09/46.7	1.37/45.9	1.57/44.7
			200	1450	1.06/49.7	1.31/49.2	1.56/48.8	1.79/47.3
			600	1450	1.45/49.9	1.61/49.6	1.77/49.3	1.93/49
			2000	960	1.28/34.3	1.41/33.8	1.54/33.7	1.65/33.6
			6000	640	1.08/23.0	1.18/22.9	1.28/22.9	1.37/22.8
			20000	583	1.22/20.5	1.24/20.4	1.25/20.4	1.38/20.3
			60000	455	0.84/16.3	0.91/16.2	0.98/16.1	1.01/16
NYP7.0 NYP7.0A (The  original  Model : NYP3 NYP3A)	40	7.0	20	1450	1.36/98.1	1.8/96	2.0/94.7	2.4/93	Thread
			60	1450	1.45/99	1.9/97	2.2/96.4	2.6/95
			200	1450	1.62/99.8	2.0/98	2.3/97.5	2.7/97
			600	960	1.4/62	1.6/65	1.8/44	2.0/64
			2000	960	1.8/67	2.0/66	2.3/65	2.6/65
			6000	640	1.5/44.5	1.7/44	1.8/44	2.0/44
			20000	583	1.6/40.5	1.9/40	2.1/40	2.2/40
			60000	455	1.46/31.5	1.8/31	1.9/31	2.0/31