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{"title":"2BV2 070 Water Ring Vacuum Pump With 33mbar Ultimate Vacuum 3kW Motor Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/cf\/01\/d67bd8a0c0b7e677c6be37437360-200x200-1\/2bv2_070_water_ring_vacuum_pump_with_33mbar_ultimate_vacuum_3kw_motor_power.jpg","attrs":{"Brand Name":"KN","Model Number":"2BV2 070","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"2BV2 071 Series Liquid Vacuum Pump With Stainless Steel Impeller Explosion Proof","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/3b\/2b74cb95e8b7aa991b740d0843a6-200x200-1\/2bv2_071_series_liquid_vacuum_pump_with_stainless_steel_impeller_explosion_proof.jpg","attrs":{"Brand Name":"KN","Model Number":"2BV2 071","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"2BV5 110 Water Ring Vacuum Pump With 165m3\/H Air Extraction 33mbar Ultimate","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/70\/4ee45813d665df1e20007756d219-200x200-1\/2bv5_110_water_ring_vacuum_pump_with_165m3_2fh_air_extraction_33mbar_ultimate_vacuum.jpg","attrs":{"Brand Name":"KN","Model Number":"2BV5 110","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
The 2BV series water ring vacuum pump represents the latest generation of energy-saving vacuum equipment, designed for pumping gas and water vapor. It delivers maximum suction pressure of 33mbar absolute pressure (97% vacuum) and maximum discharge pressure of 0.26MPa when used as a compressor.
This advanced series comprehensively replaces SK, 2SK series water ring vacuum pumps and W, WY, WL series reciprocating vacuum pumps with superior performance. It finds extensive applications across petroleum, chemical, machinery, mining, light industry, papermaking, power, metallurgy, medicine, food industries, and municipal/agricultural sectors.
Structural & Performance Advantages
Motor direct connection design for space savings and easy installation/maintenance
Standard John Crane mechanical seals with NTN or NSK imported bearings
Precision casting technology for clean appearance, superior heat dissipation and mechanical performance
Full series equipped with stainless steel impellers
2BV2 series features complete stainless steel discs and impellers for enhanced corrosion resistance
Optional full stainless steel flow passage parts for harsh working environments
Flexible exhaust port design prevents over-compression and ensures optimal efficiency
Cavitation protection pipe interfaces eliminate cavitation noise under extreme pressure
2BV2-Ex and 2BV6 series designed for flammable/explosive environments (dIIBT4 explosion-proof grade)
YE2 series high-efficiency motors with IP54/IP55 protection and F insulation grade
PTFE flexible seals available for extended service life in harsh conditions
Key Specifications
Product Type: Water ring vacuum pump/compressor
Vacuum Degree: Up to 97% (33mbar absolute pressure)
Core Configuration: John Crane mechanical seal + NTN/NSK imported bearings
Material Advantage: Stainless steel impeller (standard), optional full stainless steel flow passage
Special Function: Cavitation protection interface, explosion-proof optional (dIIBT4)
Motor Standard: YE2 series high-efficiency motor, IP54/IP55 protection grade
Installation Feature: Motor direct connection, compact structure, easy maintenance
Sealing Option: PTFE flexible seals for harsh working conditions
Performance Highlight: Flexible exhaust port, no over-compression, optimal efficiency
Technical Specifications
Curve No
Product Model
Max Air Extraction (m³/min)
Max Air Extraction (m³/h)
Ultimate Vacuum
Motor Power (kW)
Explosion-proof Grade
Protection Grade
Pump Speed (r/min)
Working Fluid Flow (L/min)
Noise dB(A)
Weight (kg)
Port Diameter
60v
2BV2 060
0.45
27
33mbar
1.1
Non explosion proof
IP54
2840
2
62
31
G1"
61v
2BV2 061
0.86
52
33mbar
1.5
Non explosion proof
IP54
2840
2
65
35
G1"
70v
2BV2 070
1.33
80
33mbar
3
Non explosion proof
IP54
2860
2.5
66
56
G1½"
71v
2BV2 071
1.83
110
33mbar
4
Non explosion proof
IP54
2880
4.2
72
65
G1½"
60v
2BV2 060-Ex
0.45
27
33mbar
1.1
dIIBT4
IP55
2840
2
62
39
G1"
61v
2BV2 061-Ex
0.86
52
33mbar
1.5
dIIBT4
IP55
2840
2
65
45
G1"
70v
2BV2 070-Ex
1.33
80
33mbar
3
dIIBT4
IP55
2860
2.5
66
66
G1¼"
71v
2BV2 071-Ex
1.83
110
33mbar
4
dIIBT4
IP55
2880
4.2
72
77
G1¼"
110v
2BV5 110
2.75
165
33mbar
4
Non explosion proof
IP54
1440
6.7
63
103
DN50
111v
2BV5 111
3.83
230
33mbar
5.5
Non explosion proof
IP54
1440
8.3
68
117
DN50
121v
2BV5 121
4.66
280
33mbar
7.5
Non explosion proof
IP54
1440
10
69
149
DN65
131v
2BV5 131
6.66
400
33mbar
11
Non explosion proof
IP54
1460
15
73
205
DN65
161v
2BV5 161
8.33
500
33mbar
15
Non explosion proof
IP54
970
20
74
331
DN80
110v
2BV6 110
2.75
165
33mbar
4
dIIBT4
IP55
1440
6.7
63
153
DN50
111v
2BV6 111
3.83
230
33mbar
5.5
dIIBT4
IP55
1440
8.3
68
208
DN50
121v
2BV6 121
4.66
280
33mbar
7.5
dIIBT4
IP55
1440
10
69
240
DN65
131v
2BV6 131
6.66
400
33mbar
11
dIIBT4
IP55
1460
15
73
320
DN65
161v
2BV6 161
8.33
500
33mbar
15
dIIBT4
IP55
970
20
74
446
DN80
Important Notices
Suitable for pumping gas and water vapor; do not pump corrosive gases without selecting corresponding material configuration
When working under suction pressure close to limit vacuum, connect cavitation protection pipe to avoid pump damage
Control working fluid flow according to actual situation; if not recycled, flow should be doubled as listed in parameter table
Install in well-ventilated area, ensure pump is level and stable with sufficient maintenance space
For explosion-proof models, ensure installation environment meets explosion-proof grade requirements
Regularly check mechanical seal and bearing status, replace lubricating oil and seals per maintenance cycle
For harsh environments, select full stainless steel flow passage and PTFE seal configuration
Ensure smooth exhaust pipe connection to avoid back pressure; use clean working fluid to prevent impeller and seal damage
Applications
Widely used in petroleum, chemical, machinery, mining, light industry, papermaking, power, metallurgy, medicine, food industries, and municipal/agricultural sectors. Typical applications include vacuum filtration, vacuum feeding, vacuum degassing, vacuum evaporation, vacuum concentration, vacuum moisture regain, and vacuum packaging. The isothermal gas compression process makes it especially suitable for pumping flammable and explosive gases, as well as dust-containing and water-containing gases.
Frequently Asked Questions
Can I order a sample for performance testing?
Yes, sample orders are welcome. We provide customized configurations based on your actual working conditions.
What materials are available for the pump's flow passage parts?
Standard configuration is cast iron with stainless steel impeller; optional full stainless steel flow passage parts for corrosive conditions.
Is there a MOQ limit for this product?
No minimum order quantity - we support sample procurement and small-batch orders starting from 1 unit.
What is the difference between explosion-proof and non-explosion-proof models?
Explosion-proof models feature dIIBT4 grade explosion-proof motors and IP55 protection for flammable/explosive environments; non-explosion-proof models are IP54 for general use.
How to solve cavitation during operation?
Connect the cavitation protection interface to a separator or open it directly when working under extreme pressure to eliminate cavitation noise.
What is the warranty period?
1-year warranty covering manufacturing defects and component failures (excluding wear parts and improper use damage).
How long is the delivery time for mass production?
8-12 working days after deposit confirmation; explosion-proof or customized models may take 1-2 additional days.
How to choose the appropriate model?
Provide parameters such as pumping speed, vacuum degree, medium type, and working temperature for technical team recommendations.
Can the pump be used as a compressor?
Yes, maximum discharge pressure is 0.26MPa (absolute pressure) for low-pressure compression scenarios.
What is the service life of mechanical seals and bearings?
Mechanical seals last approximately 8000 hours; NTN/NSK bearings last about 15000 hours under normal conditions, extendable with regular maintenance.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
Thirty million-Sixty million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shandong Kaien Vacuum Technology Co.,Ltd,is a high-tech enterprise integrating R&D,production and operationof vacuum equipment.The company has strong technicalforce,excellent equipment and considerate after-salesservice.The product manufacturing process is managedin strict accordance with ISO900... Shandong Kaien Vacuum Technology Co.,Ltd,is a high-tech enterprise integrating R&D,production and operationof vacuum equipment.The company has strong technicalforce,excellent equipment and considerate after-salesservice.The product manufacturing process is managedin strict accordance with ISO900...
