Zjtq-600 Zjq-600 Roots Vacuum Pump with Pre-Admission Cooling

• After-sales Service: Online Video Instruction
• Warranty: 1 Year
• Nominal Pumping Speed(50Hz): 600 L/S
• Ultimate Pressure: 15000 PA
• Nominal Motor Rating(50Hz): 7.5~75 Kw
• Nominal Motor Speed(50Hz): 1460 Rpm
• Model NO.: ZJTQ-600
• Suction Connection Size: 250 mm
• Discharge Connection Size: 200 mm
• Weight (Without Motor) Approx.: 650 Kg
• Max Cooling Water: 9000 L/H
• Transport Package: Wooden Box or Per Customer Requirements
• Trademark: Hengxi
• Origin: China
• HS Code: 8414100090
• Production Capacity: 1000pieces/Year

Product Description

 

Working principle

Roots pumps with pre-admission cooling mainly consists of rotor 1 and 2, pump body 4, gas cooler 7, etc(see figure below). Due to its special internal structure design, it can operate reliably for a long time under high differential pressure and high compression ratio.
The cooling gas enters the suction chamber of the pump from both sides of the pump body so that the pump does not overheat due to the compressed gas, but has no effect on the pumping performance. The figure below shows the rotor rotating 120 degrees in the pump chamber and completing one suction and exhaust.
Cooler and motor are necessary accessories for each pump, and the specifications of cooler and motor are based on different working conditions. The pumps can be used individually or in series, or in combinations with liquid ring vacuum pumps and Roots vacuum pumps to achieve higher vacuum to meet various process requirements.

Main features

1. When used alone, the working vacuum can reach 150 mbar in direct discharge to atmosphere.
2. Multi-stage tandem or tandem with other backing pumps can reach medium vacuum.
3. Special structure design ensures that the pump will not overheat and overload when operating at high differential pressure and high compression ratio.
4. Tri-Lobe profile and high precision machining ensure smooth and quiet operation.
5. Pumping performance, noise, vibration and other major performances are much improved than the traditional two-lobe pump.
6. An optional advanced balanced mechanical seal makes the pump sealing performance more reliable than the traditional lip seal.
7. The pump housing is oil-free structure, which is suitable for pumping out general air and various special gases.
8. Compared with other mechanical vacuum pumps, the energy-saving is up to 20%.
 

Product Parameters

Type	Nominal pumping speed(50Hz)	Ultimate pressure	Nominal motor rating (50Hz)	Nominal motor speed  (50Hz)	Suction Connection size	Discharge Connection size	Maximum cooling water required	Weight (Without Motor)
	L/s	Pa	Kw	rpm	mm	mm	L/h	Kg
ZJTQ-150	150	15000	3~18.5	2900	80	80	3500	350
ZJTQ-300	300	15000	5.5~37	2900	125	125	6000	350
ZJTQ-600	600	15000	7.5~75	1460	250	200	9000	650
ZJTQ-1200	1200	15000	11~132	1470	300	250	15000	1200
ZJTQ-2500	2500	15000	22~280	980	350	350	28000	2300
ZJTQ-3750	3750	15000	30~400	1470	350	350	35000	2300

Note: The motor power and cooler surface area are determined by the working differential pressure, and different motors and coolers can be configured for different differential pressures.
 

Pressure diagram

Dimension

 

Model	DN	DNI	A	A]	A2	A3	B	B1	B2	H	H1	H2	Φ
ZJTQ-150	80	80	554	281	55	132	358	300	210	340	170	20	32
ZJTQ-300	125	125	652	325	60	185	428	360	240	405	215	25	42
ZJTQ-600	250	250	965	492	90	296	678	560	370	630	210	50	60
ZJTQ-1200	300	300	1236	642	117	440	770	650	450	680	230	50	85
ZJTQ-2500	350	300	1465	763	128	616	942	730	612	880	415	65	90
ZJTQ-3750	400	350	1730	925	130	820	980	800	600	880	265	70	105

 

FAQ

Q: What information should I offer for an inquiry?
A: You can inquire based on the model directly, but it is always recommended that you contact us so that we can help you to check if the pump is the most appropriate for your application.

Q: Can you make a customized vacuum pump?
A: Yes, we can do some special designs to meet customer applications. Such as customized sealing systems, speical surface treatment can be applied for roots vacuum pump and screw vacuum pump. Please contact us if you have special requirements. 

Q: I have problems with our vacuum pumps or vacuum systems, can you offer some help?
A: We have application and design engineers with more than 30 years of experience in vacuum applications in different industries and help a lot of customers resolve their problems, such as leakage issues, energy-saving solutions, more environment-friendly vacuum systems, etc. Please contact us and we'll be very happy if we can offer any help to your vacuum system.

Q: Can you design and make customized vacuum systems?
A: Yes, we are good for this.

Q: What is your MOQ?
A: 1 piece or 1 set.

Q: How about your delivery time?
A: 5-10 working days for the standard vacuum pump if the quantity is below 20 pieces, 20-30 working days for the conventional vacuum system with less than 5 sets. For more quantity or special requirements, please contact us to check the lead time.

Q: What are your payment terms?
A: By T/T, 50% advance payment/deposit and 50% paid before shipment.

Q: How about the warranty?
A: We offer 1-year warranty (except for the wearing parts).

Q: How about the service?
A: We offer remote video technical support. We can send the service engineer to the site for some special requirements.