- Overview
- Product Description
- Product Parameters
- Features and benefits
Basic Info.
Product Description
Liquid Ring Vacuum pump

Introducing the 2BE1 151 Series China Pumps Liquid Water Ring Vacuum Pump - a top-of-the-line product designed to meet all your vacuum pumping needs. This high-quality vacuum pump is perfect for a wide range of applications, from industrial to commercial use.
With its advanced technology and superior performance, the 2BE1 151 Series China Pumps Liquid Water Ring Vacuum Pump is the ideal choice for those seeking a reliable and efficient vacuum pump. Its powerful motor ensures maximum suction power, while its durable construction guarantees long-lasting performance.
This vacuum pump is designed to handle a variety of liquids and gases, making it a versatile tool for any industry. Its compact size and easy-to-use design make it a popular choice for those seeking a reliable and efficient vacuum pump.
So if you're looking for a top-quality vacuum pump that can handle all your pumping needs, look no further than the 2BE1 151 Series China Pumps Liquid Water Ring Vacuum Pump. With its superior performance and advanced technology, this vacuum pump is sure to exceed your expectations.
Our company is specialized in different kinds of products. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we make our products with good quality at the reasonable price.
Main applications
2BE1 pumps are ideally suited for general industry applications and 2BE1-Pump
for higher demands of the process industry, including:
- Reactions §
- VCM recovery §
- Explosive gas compression §
- Distillation §
- Evaporation §
- Filtration §
- Solvent recovery §
- Drying §
- Extrusion §

- Efficient CPI version §
- Large material variety §
- Inlet pressures until 33 mbar §
- Wide selection of shaft seal options §
- Large differential pressure capability §
- High hydro test pressure capability §
- Also with ATEX certification in Cat1 and 2
Performance curves |
Suction Capacity |

Operating conditions based on different temperatures than stated above, often result in increased capacities. Thus, a smaller pump might be selected. Please contact us for your specific requirements.
Calculation of individual performance curves is done acc. to individual specification requirements.
Operating liquid rates | |||||
Operating liquid rates (water) for various inlet pressures (1 m³/h = 4.4 US gpm): | |||||
Speed / Drehzahl rpm (min-1) | mbar: | < 200 | 200 ... 600 | > 600 | |
1810 | m³/h | 2.2 | 1.50 | 0.73 | |
1750 | 2.1 | 1.40 | 0.70 | ||
1625 | 1.9 | 1.27 | 0.63 | ||
1450 | 1.7 | 1.13 | 0.57 | ||
1300 | 1.5 | 1.00 | 0.50 | ||
1100 | 1.2 | 0.80 | 0.40 |
Tolerance + 20 % / Toleranz: + 20 %
Part No. | Description | Material of construction - | ||||
| Cast iron | Cast iron - Stainless steel combination | Stainless steel | |||
B | M | N | P | H | ||
Order No. | Order No. | Order No. | Order No. | Order No. | ||
1.01 | Impeller | Spheroidal graphite cast iron ASTM A 536 Grade 60-40-18 2) | Stainless steel casting ASTMA ASME SA 351-CF10M 2) | |||
1.02 | Shaft | Stainless steel ASTM A 276 Type 420 2) | Stainless steel ASTM A 276 316Ti 2) | |||
3.01 4.01 | Port plates | Grey cast iron ASTM A 48 Class 30 B 2) | Stainless steel casting 1) ASTMA ASME SA 351-CF10M 2) | |||
6.01 | Casing | Grey cast iron ASTM A 48 Class 30 B 2) | Stainless steel 1) ASTM A 276 316Ti 2) | |||
7.01 8.01 | End shields | Grey cast iron ASTM A 48 Class 30 B 2) | Stainless steel casting 1) ASTMA ASME SA 351CF10M 2) | |||
| Mechanical seal | Chromium steel casting/carbon/vitons Chromguss/Kohle/Vitons | ||||
| Manifold (F44 / F47) | Grey cast iron ASTM A 48 Class 30 B 2) | Stainless steel casting 1) ASTM A 743-CF-3MN 2) | |||
| Liquid separator (F43) | Carbon steel ASTM A283 Grade C 2) | Stainless steel 1) ASTM A 276 316Ti 2) |
- Parts pickled and passivated. /
- Or comparable material. /

Scope of supply | Material of construction - Werkstoffkombination (Details on page 4 - Details siehe Seite 4) | Weight | ||
| Cast iron Cast iron - Stainless Stainless steel steel combinations B M; N; P H Order No. Order No. Order No. | Ge- wicht appr. kg | ||
Basic Design | ||||
Vacuum pump Shaft sealing optional: Stuffing box with internal sealant Stuffing box with external sealant supply Mechanical seal, single acting, with internal sealant supply Mechanical seal, double acting, with external sealant supply | 2BE1 152-0BY4 2BE1 152-0BY3 2BE1 152-0BY8 2BE1 152-0BY5 | 2BE1 152-0Y4 2BE1 152-0Y3 2BE1 152-0Y8 2BE1 152-0Y5 | 2BE1 152-0HY4 2BE1 152-0HY3 2BE1 152-0HY8 2BE1 152-0HY5 | 175 175 175 175 |
| Order code *) | Order code *) | Order code *) | appr. kg |
With mounted suction manifold With discharge-side mounted liquid separator With mounted discharge manifold Flange connection acc. to ANSI B16.5 With spray nozzle With cavitation proctection Increase of operating liquid Vitons cord O-ring packing between casing, port plate and end shield Certified acc. to ATEX Category 1 Category 2 | F44 F43 F47 F62 F41 F80 F64 F01 F93 F91 | F44 F43 F47 F62 F41 F80 F64 F01 F93 F91 | F44 F43 F47 F62 F41 F80 F64 F01 F93 F91 | 23 30 23 |
DIN 2501 = DIN EN 1092-2
Vacuum pump with 3-phase motor (B3), coupling with guard, mounted on a baseplate. | |||
Pump | Motor | ||
Operating speed | Frequency | Rated output | Degree of protection |
rpm (min-1) | Hz | kW | |
1450 | 50 | 15 | IP54 |
| | 13.5 | IP54 EEx e II T3 |
1750 | 60 | 17.3 | IP54 |
| | 21.3 | IP54 |



FAQ
Q:Can you supply pump qualified with ANSI and ASME standard?
A:Yes, our pump compliant with ISO / ASME/ANSI standard.
Q:How to customize pumps and mechanical seals ?
A:Customers could send us application data, we will select suitable pump and seal types, or client could send us drawings, We are well in OEM and ODM.
Q:How can I pay for my items? What is the payment you can provide?
A:Usually by T/T, 30% down payment once PI confirmed, the balance will be paid after inspection and before shipment. TT or L/C at sight
Q:How long is warranty?
A:1 year for main construction warranty.
Q:How long is production lead time?
A:Normally 15 working days. If client need urgently, we have a huge spare parts stock, we could finish assembly and testing in 7 days.
Q:What is the shipping terms you can provide?
A:Depnends on customer's requirements, we can provide different transportantin terms, such as EXW, FOB, CIF.
Q:Who is in charge of after-sales?
A:SUNPACE has professional after sales service team, we will follow up the client's comments and suggest them good solutions. Solve client's problems and keeping the clients profit.
Q:Who is in charge of maintenance?
A:Local agent. If pump running has any problem on site, our local agent will arrival the plant within 24 hours