Chemical Additives Transfer Pump for Paper Making

• Customization: Available
• After-sales Service: Oversea Install Service
• Warranty: 3
• Model NO.: Chemical Additives Transfer Pump for Paper Making
• Mesh Form: Internal Engaged
• Tooth Flank: Straight Tooth
• Tooth Curve: Involute
• Power: Electric
• Type: Normal Line Gear Pump
• Applications: Pharmaceutical Production
• Certification: CE, ISO, RoHS
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• Transport Package: Woodencase
• Specification: stainless steel
• Trademark: shuangyu
• Origin: China
• HS Code: 8601101900
• Production Capacity: 10000/Y

Product Description

 Transfer Lobe Pump/ Rotor Pump/ Rotary Pump with Sanitary Grade

Comparison of several positive displacement pumps
Comparison content	Rotor lobe pump	Twin-screw pump	Single screw pump
Suitable for working conditions	Transfer viscosity medium or solid-liquid mixture.	Transfer viscosity medium.	Transfer viscosity medium or solid-liquid mixture.
Structural	Gap is kept between the rotors and between the rotors and the pump body, no friction, long life.	There is a certain gap between the screws, but the wear of the front axle sleeve will cause the wear of the screw, the gap will become larger, and the flow rate and efficiency will decrease.	Rubber stator is easy to wear.
	Simple structure, low failure rate and convenient maintenance.	There is a shaft sleeve in the front section, which is easy to wear and tear. The pump needs to be disassembled for replacement, and the maintenance is complex.	There is a shaft sleeve in the front section, which is easy to wear and tear. The pump needs to be disassembled for replacement, and the maintenance is complex.
Spare parts	Mechanical seal.	Mechanical seal.	Mechanical seal.
	Seal ring.	Seal ring.	Seal ring.
	No.	Axle sleeve.	Axle sleeve.
	Long life, no need for spare.	Long life, no need for spare.	Long life, no need for spare.
Comprehensive comparison	Simple structure, low failure rate and convenient maintenance, long life.	The structure is complex, failure rate is high, maintenance is complex, maintenance cost is high, life is short .	The structure is complex, failure rate is high, maintenance is complex, maintenance cost is high, life is short .
working principle	The rotor pump adopts two synchronous rotors. The rotor is driven by a pair of synchronous gears in the box. Driven by the main and auxiliary shafts, the rotor rotates in the opposite direction synchronously, which changes the volume of the pump, thus forming a higher vacuum degree and discharge pressure.	A plurality of closed volumes are formed between the meshing screws and the shell, and each closed volume is one level. When the transmission shaft drives the main screw to rotate clockwise, the closed volume at the left end gradually forms, and the volume increases to the oil suction chamber; the closed volume at the right end gradually disappears, and the volume decreases to the oil pressure chamber.

Product features:

1. Gap is kept between the rotors and rotors & pump body, no friction, long using-life.  
2. Simple assembling and disassembling, easy to maintenance and clean, less easily-damaged parts.  
3. High efficiency and energy-saving, low failure, reliable sealing and low noise.   
4. In the same type pump, different type rotor can be interchanged.
5. Capable to pmp the viscous medium from 1cp to 2million cps.  
6. Capable of pumping mixture of gas, fluid and solid medium.  
7. Equipped with inverter, the flow can be adjusted as requirement of end-user.   
8. Flange, screw or clamp connection can be selected as required.  
9. Higher hygienic grade, support CIP, SIP. The surface roughness is 0.2--0.6mm, got 3A, FDA certification.  
10. Hygienic safety valve is built-in structure. 
 

Description	Material	Quantity
Pump cover	304 /304L /316 /316L	1
Pump body	304 /304L /316 /316L	1
Rotor	Rubber /304 /304L /316 /316L	2
Main shaft	316-316L /42CrMo	1
Sub-shaft	316-316L /42CrMo	1
Mechanical seal seat	304 /304L /316 /316L	2
Mechanical seal	SIC /Tungsten carbide	2
O-ring	FKM /FFKM/ EPDM /TFE /PTFE,etc.	1
Rotor lock nut	304 /304L /316 /316L	2
Lip seal	NBR /FKM	3

Working Principle of Lobe Pump

Technical parameters
Type	Capacity for tri-imepller rotor (L/r)	Rotation speed (r/min)	Flow (m^3/h)	Discharge Pressure (MPa)	Standard I& O DN (mm)	Enlarged I& O DN (mm)	Weight Bare pump (kgs)
15TLS12-0.5C	0.04	10-720	2	1.2	15	25	30
25TLS12-2C	0.15	10-720	5	1.2	25	40	40
40TLS12-5C	0.32	10-500	10	1.2	40	50	50
50TLS12-10C	0.65	10-500	15	1.2	50	65	80
60TLS12-15C	1.1	10-500	20	1.2	65	80	120
65TLS12-20C	1.74	10-500	30	1.2	65	80	200
75TLS12-30C	2.6	10-500	40	1.2	80	100	230
80TLS12-40C	3.65	10-500	60	1.2	100	125	260
100TLS12-60C	5.2	10-500	80	1.2	125	150	400
125TLS12-80C	6.8	10-500	120	1.2	125	150	450
140TLS12-120C	9.8	10-400	150	1.2	150	200	600
150TLS12-150C	12.8	10-400	200	1.2	150	200	680
200TLS12-200C	16	10-300	300	1.2	200	250	780
250TLS12-300C	20	10-300	400	1.2	250	300	900
300TLS12-400C	30	10-300	500	1.2	300	350	1100