Sn High Pressure Three Screw Fuel Oil Pump

Model NO.: SN

Insert: Qt450-10

Pressure: 0-4MPa

Capacity: 0.2-400m3/H

Trademark: HUANGGONG

Transport Package: Wooden Case

Origin: China

HS Code: 8413604090

Viscosity: 3.0~ 760 mm2/ s; Flow range: 0.2~ 400m3/h,; Maximum pressure: 0-4.0 Mpa;

1. Application

Three Screw Pumps of SN series and 3G series are used to transferring lubricant, no solid contained and non-corrosive mineral oil, animal oil, vegetable oil and other lubricant liquid mediums, such as lube oil and fuel oil. Preferable viscosity of medium: 3 ~ 760 c. S. T Working temperature should be lower than 200 centigrade.

2. Basic Principle

The three screw pump is a kind of positive displacement pump (PDP) and it's composed of three meshed screw axis and the pump body which contains them. All of they form the sealing line which isolates the suction cavity and discharge cavity and also these two separated sealing cavities. When the screw axis turns, the sealing line will periodically make axial motion from suction cavity to discharge cavity, which continuously push the medium liquid from suction chamber into discharge cavity.

3. Performance Features

A. Stable working, low noise, without agitation of medium, small pulsation over flux and pressure.
B. High self-priming, no need of bottom valve or oil-pouring before start-up
C. Long life.
D. Equipped with safety valves to ensure operating safely.

4. Structure

Three Screw Pump is composed of pump body, pump liner, pump cover, driver screw axis, two driven screw axis, mechanical seal and other accessories. Safety valve is composed of valve body, seat, safety valve trim, spring and adjustment screw spindle (left hand turning), it will be installed on the top of the pump body.
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SPECIFICATIONS FOR 2W,2HE,2HM SERIES TWIN SCREW PUMP
2HM Series win screw pump	Capacity	m3/h	Max: 400
	Pressure/Head	bar	Max: 40
	Viscosity	cst	0.5-760
	Speed	rpm	750-1500
	Temperature	^OC	-20-120
	Mounting	Horizontal
	Seal	Mechenical Seal

Sn High Pressure Three Screw Fuel Oil Pump

Speed n=1450r/min
Model	Î”P Mpa	Viscosity(mm 2 /s)
		1		15		35		75		150		350		750
		Flow L/Min	Power Kw	Flow L/Min	Power Kw	Flow L/Min	Power Kw	Flow L/Min	Power Kw	Flow L/Min	Power Kw	Flow L/Min	Power Kw	Flow L/Min	Power Kw
SN210-46	0.5	193	2.31	200	2.31	205	2.31	206	2.49	207	2.78	208	3.26	152	3.99
	1 .0	179	4.06	193	4.06	200	4.06	203	4.24	205	4.53	206	5.01	209	5.74
	1.5	166	5.81	185	5.81	196	5.81	200	5.99	203	6.28	205	6.76	207	7.49
	2 .0	154	7.56	179	7.56	192	7.56	198	7.74	201	8.03	204	8.51	206	9.24
	2 .5	142	9.31	172	9.31	189	9.31	195	9.5	199	9.78	202	10.3	205	11
	3 .0	Â	Â	166	11.1	185	11.1	192	11.2	197	11.5	201	12	204	12.7
	3 .5	Â	Â	160	12.8	182	12.8	190	13	195	13.3	200	13.8	203	14.5
	4 .0	Â	Â	Â	Â	178	14.6	188	14.7	193	15	198	15.5	202	16.2
For parameters of other models, please email

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