Roots pump

ZJP-1200A Roots Vacuum Pump: 1200L/S Ultra-High Pumping Speed Industrial Vacuum Solution

The ZJP-1200A Roots vacuum pump is a professional-grade high-capacity vacuum system delivering 1200L/S pumping speed with ultimate pressure of 0.05Pa. Featuring oil-free design, intelligent temperature control, and German silencer technology, it's ideal for premium manufacturing applications including PV coating, lithium battery drying, and vacuum metallurgy.

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Product Details

The ZJP-1200A Roots vacuum pump offers exceptional 1200L/S pumping capacity with ultra-high 55:1 compression ratio. Powered by a 7.5KW high-efficiency motor (85dB noise level), its specially coated rotors handle corrosive gases, making it perfect for semiconductor manufacturing and pharmaceutical freeze-drying in clean production environments.

Performance Parameter

Model specifications		ZJP-30A	ZJP-70A	ZJP-150A	ZJP-300A	ZJP-600A	ZJP-900A	ZJP-1200A	ZJP-2500A	ZJP-4000A
Nominal pumping speed L/S		30	70	150	300	600	900	1200	2500	4000
the limit	Partial pressure Pa	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05	0.05

pressure	Full pressure Pa	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5
Maximum zero flow compression ratio		35	35	40	40	45	45	50	55	55
Valve controlled pressure difference Pa		5300	5300	5300	4300	4300	3000	2700	2700	2700
Inlet diameter mm		80	80	100	160	200	250	250	250	320
Exhaust port diameter mm		50	50	80	100	160	200	200	200	250
Equipped with motor power KW		1.5	1.5	2.2	4	5.5	7.5	7.5	18.5	21
Motor synchronous speed rpm		1450	2900	2900	2900	2900	2900	2900	2900	2900
Noise dB (A)		76	76	78	80	82	84	85	87	88

Model	ZJP-30A	ZJP-70A	ZJP-150A	ZJP-300A	ZJP-600A	ZJP-900A	ZJP-1200A	ZJP-2500A	ZJP-4000A
L	790	790	900	1060	1300	1400	1530	1800	2200
B	250	250	210	210	260	365	500	410	600
B1	280	280	320	280	315	425	540	468	720
A	190	190	270	290	420	420	460	600	600
A1	240	240	340	340	500	510	500	700	700
A2	195	195	220	280	330	435	435	455	510
H	300	300	415	410	535	560	560	745	810
H1	80	80	115	120	140	155	155	175	200
K	12	12	14	18	18	18	18	23	230
D	80	80	100	160	200	250	250	250	320
D1	125	125	145	200	260	310	310	310	395
D2	145	145	165	225	285	335	335	335	425
n	8	8	8	8	12	12	15	12	12
中	M8	M8	M8	M8	M10	M10	M10	M10	M12
d	50	50	80	100	160	220	200	200	250
d1	90	90	125	145	200	260	260	260	310
d2	110	110	145	165	225	285	285	285	335
n1	4	4	8	8	8	12	12	12	12
φ1	M8	M8	M8	M8	M10	M10	M10	M10	M10

Innovative Working Principle

1. High-Efficiency Dual-Rotor System

Third-generation figure-8 rotor design with WC-Co ultra-hard coating (HRA90+ hardness). Precision gear transmission system with integrated temperature sensors for real-time monitoring.

2. Intelligent Pressure Differential Management

Patented dynamic bypass valve technology automatically adjusts opening based on pressure changes, reducing energy consumption by 18%. Protection protocol activates when ΔP exceeds 2700Pa.

3. Versatile System Configurations

• Basic: ZJP-1200A + Rotary vane pump (standard applications)
• Corrosion-resistant: 316L stainless steel + chemical filter (chemical industry)
• Explosion-proof: ATEX certified (hazardous environments)

Seven Core Technological Advantages

Military-Grade Sealing: Double mechanical seals with leakage rate <1×10⁻⁹Pa·m³/s for ultra-high vacuum requirements.

Smart Temperature Control: Multi-point temperature monitoring with automatic cooling adjustment maintains optimal rotor clearance.

Modular Design: Quick-disassembly structure reduces maintenance time by 60%.

Remote Monitoring: Optional 4G IoT module enables real-time mobile APP monitoring.

Energy Optimization: CFD-optimized flow channels deliver 22% energy savings versus conventional designs.

Extended Warranty: 3-year warranty on core components with lifetime technical support.

Custom Solutions: Tailored configurations for special gases and operating conditions.

Application Case Studies

Case 1: Lithium Electrode Vacuum Drying

A leading new energy manufacturer achieved stable pumping speed >1150L/S, reducing drying time to 60% of conventional systems while maintaining moisture content <80ppm.

Case 2: OLED Evaporation Line

Three ZJY-1200A units in parallel maintained 5×10⁻³Pa vacuum with ±3% coating uniformity, increasing yield to 98.5% in 6th-gen OLED production.

Case 3: Antibiotic Freeze-Drying

GMP-certified pharmaceutical configuration reduced freeze-drying cycles from 72 to 48 hours while achieving <1% moisture content, meeting USP/EP standards.

Technical Q&A

Q1: How to maintain stable 1200L/S pumping speed?
Variable frequency drive technology automatically adjusts speed based on vacuum level, ensuring ≤±5% fluctuation.

Q2: Handling high dust-load gases?
Recommended two-stage filtration (cyclone separator + precision filter) handles dust loads up to 50g/m³.

Q3: Service life in corrosive environments?
316L stainless steel version maintains 20,000+ hours service life in pH 2-11 range.

Q4: Maintenance schedule?
Daily: Check oil level and abnormal sounds
Weekly: Clean intake filter
Monthly: Inspect belt tension
Quarterly: Replace bearing grease

Q5: Resolving excessive vibration?
First check foundation, then perform dynamic balancing. Standard vibration should be ≤2.8mm/s.

Q6: Energy-saving retrofits?
Optimal solution combines VFD with waste heat recovery for 35% total energy savings.

Q7: When to replace rotors?
Recommend inspection when pumping speed drops >20% or current increases 15%.

Q8: Explosion-proof certifications?
ATEX and IECEx certified, ExdⅡBT4Gb rating.

Q9: High-altitude operation?
Allow 8% additional motor power per 1000m elevation - recommend 11KW high-altitude motor.

Q10: Service response?
50 service centers nationwide provide 24/7 support with 6-hour onsite response in key regions.

Selection Guide

Basic Selection: Match main/backing pumps to required pumping speed and ultimate pressure

Special Configurations:

Corrosive environments: 316L stainless steel + PTFE seals

Cleanroom applications: Oil-free + HEPA filtration

Hazardous areas: ATEX-certified units

Energy Evaluation: Conduct lifecycle cost analysis prioritizing high-efficiency models

Future-Proofing: Allow 15-20% pumping speed margin for capacity expansion

Conclusion

The ZJP-1200A Roots vacuum pump has become the preferred choice for premium manufacturing with its industry-leading 1200L/S capacity and exceptional reliability. We provide comprehensive support from selection to after-sales service - contact our engineering team for customized solutions tailored to your specific requirements.

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