In modern industrial baking, perfection is not an accident. It is chemistry, physics, and fluid dynamics working in absolute harmony.
Whether you are crafting world-class castella sponges, golden chiffon cakes, or artisanal chocolate chip muffins, the soul of your finished product is born in the mixing bowl—and tested in the transfer line.
Yet, traditional food pumps treat batter like ordinary liquid. They churn. They crush. They heat. They destroy the very air structure your master bakers worked tirelessly to create.
At Bonve, we believe your pump should protect your recipe, not alter it.
As China’s premier manufacturer in positive displacement fluid technology, Bonve is relentlessly dedicated to solving the world's toughest fluid transfer challenges. With our continually evolving 4th-generation rotary lobe architecture, we redefine how industrial bakeries move thick, shear-sensitive batter from compounding tanks to high-speed tray depositors.
Why Transferring Cake Batter is a True Engineering Challenge
Cake batter is among the most demanding rheological fluids in the food industry. It is non-Newtonian, high-viscosity, thixotropic, and inherently fragile. Pumping it through conventional centrifugal, progressive cavity, or gear pumps creates four critical process bottlenecks:
Aeration Collapse & Density Drift: Sponges and chiffons rely on microscopic trapped air bubbles for oven spring and crumb fluffiness. High mechanical shear or localized turbulence tears this cellular matrix apart, causing batter collapse, dense texture, and gummy centers in the baked product.
Solid Inclusions Mastication: Premium batters feature whole blueberries, chocolate chips, dried fruit, or walnut pieces. Inferior pump clearances act like grinders, crushing expensive inclusions, bleeding fruit juice into the base mix, and ruining visual appeal.
Extreme Viscosity & Depositor Starvation: With apparent viscosities reaching 500,000 to 1,500,000 cP, thick batters resist movement. Inadequate suction causes pump starvation, cavitation, and severe pulsing at the depositing nozzles—triggering inconsistent piece weights and packaging rejects.
Hygiene, Cross-Contamination & Allergens:Batter contains raw egg, dairy, sugars, and starches—a prime substrate for microbial growth. Internal dead zones and non-hygienic shaft seals make thorough CIP impossible and risk batch-wide contamination during flavor changeovers.
Engineering Highlights: Innovation in Every Revolution
No Aeration Loss: Ultra-low shear rotor design protects microscopic air bubbles. Zero batter collapse. Full oven spring every time.
100% Inclusion Integrity: Large rotor cavities carry whole berries, chocolate chips, and nuts up to 30 mm without crushing or bleeding.
Zero Pulse, Exact Dosing: Smooth laminar flow eliminates nozzle dripping, splashing, and piece-weight variations.
Mastery Over 1,500,000 cP: Massive -0.095 MPa vacuum effortlessly pulls cold, heavy mixes from low-level vessels with up to 1.2 MPa discharge pressure.
Typical Hot Sauce Applications
Sponge & Chiffon Batter: Ultra-gentle, bubble-safe transfer.
Muffin & Cupcake Mixes: Smooth handling with whole blueberries, chips, and nuts.
Pound Cake & Heavy Dough: High-viscosity butter and fruit cake pastes.
Pastry Creams & Fillings: Custards, fruit coulis, chocolate icings, and jams.
Depositor Buffer Feeding: High-accuracy feed to multi-nozzle packaging heads.
About Bonve Rotary Lobe Pump
Bonve Rotary Lobe Pump is A Reliable Choice for Fluid Transfer Across Industries.Whether it’s highly corrosive liquids in the food industry, viscous materials with solid particles in the cehmical sector, or fluids with diverse properties in other fields—Bonve Rotary Lobe Pumps handle them all with ease. Specifically designed for over 3,000 types of fluids, they enable efficient transfer of media with varying viscosities and solid contents, making them widely suitable for needs across different industries.
What’s more, Bonve remains committed to technological innovation. Today, its rotary lobe pumps have been upgraded to the 4th generation. The new-generation products feature further optimized core performance, which significantly extends the pump’s service life—helping you reduce equipment replacement costs and ensure stable production operations.
Interchangeable
Interchangeable rotors, one pump multi-purpose.
Targeted seal for specific application, ensure zero leakage.
Easy maintenance
Compact structure, easy assembling and disassembling
Maintenance in place, easy cleaning, CIPable and SIPable.
Few wearing parts, low maintenance.
Long life
All main parts proceed by CNC, high precision fabrication.
No contact between the rotors, rotors and pump chamber.
Six bearings with separate arrangement, high balance.
Adjustable seal ring extends the shaft life.
Axis key synchronous adjustment, no rotor collision problem.
Working Principle
Bonve lobe pumps basically consist of two lobe rotors, which rotate synchronously driven by a pair of synchronous gears in the gearbox. The rotors are driven by the main shaft and sub-shaft to rotate in a synchronous reverse direction, which changes the pump capacity, builds up high vacuum and discharge pressure, thus an efficient pumping is formed. Gap is kept between the rotors and between the pump casing, no friction, long life, no damage, no physical and chemical reaction to the pumped products.
Bi-wing rotor diagram
Tri-lobe rotors diagram
Main Parts of the Complete Pump
Bonve complete pumps are usually composed of bare shaft pump, coupling and its guard, geared motor and baseplae. With your order, bare shaft pump or complete pump is supplied.
Bare Shaft Pump Structure
Based on the port direction, we have the pump with horizontal port and vertical port to meet your site installation.
Structure Details
Complete Pump Types
Technical Parameters
|
Model |
Displace -ment |
RPM |
Flow |
Dis. Pre. |
Power |
Vacuum |
Port size |
Max viscosity |
|
|
(L/r) |
(r/min) |
(m³/h) |
(Mpa) |
(kW) |
(Mpa) |
(mm) |
(cp) |
|
25BV12-05 |
0.06 |
10-1000 |
0-0.5 |
0-1.2 |
0.37-1.1 |
-0.080 |
25 |
1,500,000 |
|
40BV12-2 |
0.15 |
10-1000 |
0-2 |
0-1.2 |
0.75-2.2 |
-0.080 |
40 |
1,500,000 |
|
50BV12-5 |
0.32 |
10-800 |
0-5 |
0-1.2 |
1.5-4 |
-0.085 |
50 |
1,500,000 |
|
65BV12-10 |
0.65 |
10-600 |
0-10 |
0-1.2 |
2.2-7.5 |
-0.085 |
65 |
1,500,000 |
|
80BV12-20 |
1.74 |
10-500 |
0-20 |
0-1.2 |
4-15 |
-0.095 |
80 |
1,500,000 |
|
90BV12-30 |
2.60 |
10-500 |
0-30 |
0-1.2 |
5.5-22 |
-0.095 |
100 |
1,500,000 |
|
100BV12-40 |
3.65 |
10-500 |
0-40 |
0-1.2 |
7.5-30 |
-0.095 |
100 |
1,500,000 |
|
125BV12-50 |
4.60 |
10-500 |
0-50 |
0-1.2 |
7.5-37 |
-0.095 |
125 |
1,500,000 |
|
140BV12-70 |
6.10 |
10-500 |
0-70 |
0-1.2 |
11-45 |
-0.095 |
150 |
1,500,000 |
|
150BV12-80 |
7.63 |
10-500 |
0-80 |
0-1.2 |
11-55 |
-0.095 |
150 |
1,500,000 |
|
200BV12-120 |
11.56 |
10-400 |
0-120 |
0-1.2 |
15-75 |
-0.095 |
200 |
1,500,000 |
|
250BV12-150 |
14.22 |
10-400 |
0-150 |
0-1.2 |
18.5-90 |
-0.095 |
250 |
1,500,000 |
|
300BV12-200 |
20.80 |
10-300 |
0-200 |
0-1.2 |
22-110 |
-0.095 |
300 |
1,500,000 |
|
350BV12-300 |
32.60 |
10-250 |
0-300 |
0-1.2 |
45-160 |
-0.095 |
350 |
1,500,000 |
|
400BV12-400 |
50.40 |
10-250 |
0-400 |
0-1.2 |
55-200 |
-0.095 |
400 |
1,500,000 |
Note:
1. Tested medium: water.
2. Speed, flow rate, electrical power and pressure will be varified according to different product properties.
Selection Guidelines
|
Your Industry |
|
||
|
About pump medium |
Name: |
||
|
Density (g/m³): |
|||
|
Viscosity (mPa.s): |
|||
|
Temperature (℃): |
|||
|
PH value: |
|||
|
Solid content (%): |
|||
|
Solid size (mm): |
|||
|
Suction side |
Pressure: Positive ( ) bar; Negtive ( ) bar |
How high (m): |
|
|
Suction pipe length (m): |
Diameter (mm): |
||
|
Bends (Pcs): |
T-piece (Pcs): |
Valves (Pcs): |
|
|
Discharge side |
Pressure (Mpa): |
||
|
Vertical delivery pipe length (m): Total delivery pipe length (m): |
Diameter (mm): |
||
|
Bends (Pcs): |
T-piece (Pcs): |
Valves (Pcs): |
|
|
Required flow rate (L/H) |
Operating flow: |
Max. flow: |
|
|
Pump material required |
SS304 ( ) SS316 ( ) SS316L ( ) Duplex stainless steel ( ) |
||
|
Motor required |
Phase: Single ( ) Three ( ) |
Voltage (V): |
Frequency (Hz): |
|
IP grade: |
Energy efficiency: |
Anti-explosive: |
|
|
Installation type |
Fixed ( ) |
Movable ( ) |
Fixed with adjusting feet ( ) |
|
Others |
|
||
About us
BONVE is a Chinese leading manufacturer in ROTARY LOBE PUMPS and HOMOGENIZER MIXERS. Providing its customers with customized pumping and mixing solutions and solving their problems during the production.
Bonve pumps and mixers are widely used in food, dairy, beverages, chemical, pulp&paper, soaps&detergents, pharmaceuticals, pesticide, coatings etc. By 2025, Bonve served 8,000+ customers in various industries and 100,000+ pumps running in the worldwide.
Time and again companies specify Bonve pumps as the "standard" equipment for their manufacturing processed. We are looking forward to be partner with you.
Certificate
Bonve ISO9001, ISO14001, ISO45001 certificates ensure quality consistency, compliance reliability, environmental responsibility, and operational efficiency, delivering trustworthy and sustainable partnerships for our clients.
With CE and FDA certificates, Bonve pumps are globally recognized. These certificates open doors to major markets, and they're a testament to our pumps excellence for you.
How customers' comments on Bonve Lobe pump
Comment on the pumps surface finish
We worked with an pump re-seller and they are very happy with Bonve lobe pump surface smooth finish and price.
If your team is dealing with similar pain points—whether it's subpar materials, inconsistent finishes, or non-compliant equipment—let's connect. We're here to deliver the same peace of mind and performance to your operations.
Feedback on Bonve lobe pump inner structure and running
FAQ
1. Warranty Policy
Standard: 15 months from manufacturing date.
Service: Free replacement parts within 3 workdays for non-human quality issues.
Extended warranty: Available upon request (e.g., for projects).
2. Operation Guidance
Provided with full English manual (installation, operation) and training files (maintenance, troubleshooting).
Remote technical support available if needed.
3. Shipping Arrangement
Partner with reliable forwarders; support sea (standard) or air freight.
Share your nearest port/airport for CIF quotes (cost + insurance + freight).
4. Payment Terms
TT (Telegraphic Transfer) or LC (Letter of Credit).
5. Delivery Time
Bare shaft pumps: 7 workdays (standard).
Complete pumps with motor: 20 workdays (standard).
6. Packaging
Solid fumigation-free plywood cases.
7. Pre-Order Spec Confirmation
We send a spec form (flow rate, head, etc.) for confirmation; technical drawings/photos available if needed.
8. Post-Warranty Support
Paid parts (preferential prices, 3-5 workdays delivery).
Paid on-site/remote technical help; customized annual maintenance plans for long-term clients.
9. Custom Solutions
Supported: Adjust material (stainless steel/cast iron), parameters (flow rate/head), or design (vertical/mobile).
Lead time: 20-30 workdays (varies by complexity); progress updates provided.
Contact Us
Are you transferring hot sauce, chili sauce, tomato sauce or another viscous food product from a cooking kettle, mixing tank or storage vessel to a filling line?
Share your sauce temperature, viscosity, particle size, required flow rate, pipeline information and cleaning method with our engineers. BONVE can review the rotary lobe pump model, rotor configuration, VFD speed range, product-contact material and mechanical seal arrangement for your process.
Request a sanitary rotary lobe pump solution for your hot sauce application today.
Contact person: Anna Chang
Tel: +86-574-87769810 Fax: +86-574-62962898
Mobile/Whatsapp/Wechat: 0086-13375846933
Email：bvsales1@bonvepumps.com
