CPPPublished family, drawing or curve designation; confirm the complete order configuration.
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CUCCHI · Product family
CUCCHI Piston and diaphragm metering pump CPP / CMP / AM5 for Water-treatment chemical dosing
These metering families use an adjustable stroke and an application-specific liquid end. Piston and diaphragm arrangements serve different containment, solids and pressure requirements.
Published stroke adjustment0–100%
Listed motor ratings0.18 / 0.25 / 0.55 kW, according to arrangement
Control optionsManual, pneumatic or electrical; selected arrangement
EXPLORE THIS PRODUCT DOSSIER
Product, engineering and service information in one place
ENGINEERING DATA
Technical specifications
Published range for this family or model group. Maximum values are independent limits; the actual duty point depends on speed, fluid, size and configuration.
| Parameter | Published reference |
|---|---|
| Published stroke adjustment | 0–100% |
| Listed motor ratings | 0.18 / 0.25 / 0.55 kW, according to arrangement |
| Control options | Manual, pneumatic or electrical; selected arrangement |
IDENTIFY THE RIGHT BUILD
Models & configuration
A family or hydraulic size is the starting reference. Include the complete nameplate designation, serial number, materials, seals, drive and connection details when ordering.
CMPPublished family, drawing or curve designation; confirm the complete order configuration.
Enquire with this reference →DMPPublished family, drawing or curve designation; confirm the complete order configuration.
Enquire with this reference →AM5Published family, drawing or curve designation; confirm the complete order configuration.
Enquire with this reference →Materials & performance
AISI 316L and PVC liquid-end variants; piston, diaphragm and seal materials vary.
Provide the required dosing turndown and pressure. Specify whether a piston or diaphragm liquid end is required and identify the valve materials.
DFIN reviews the operating point together with the suction condition and drive. Supply the fluid properties at both start-up and normal operation so the proposed arrangement can be checked against the appropriate curve.
Application industries
DFIN application links identify duties to discuss, subject to the specified fluid and complete pump configuration.
Typical duties to review
- Water-treatment chemical dosing
- Process and formulation dosing
Compatible parts & service
Identify gears, shafts, bushes and seals for gear pumps, or the liquid-end valves, piston seals and diaphragms for metering pumps, using the matching section drawing.
Provide the serial number, complete construction code and fluid details before a repair set is specified. Optional gear treatments, heating or magnetic drives change the required parts.
Maintenance planning
Use the selected model’s operating manual for isolation, draining, inspection and reassembly. Report leakage, unusual noise, loss of output or visible wear with photographs and the operating history. DFIN can use the equipment identity and drawing positions to prepare a parts enquiry.
Request matching service parts →DFIN KNOWLEDGE BASE
DFIN technical notes for CPP / CMP / AM5
Shanghai Dfin Pump Co., Ltd. has reorganised the available product facts into practical notes for identification, selection, application review and maintenance planning. These notes support an initial comparison; the final duty point and order code still require project-specific confirmation.
PERFORMANCE NOTE
CPP / CMP / AM5: how to read the operating range
Published stroke adjustment: 0–100%; Listed motor ratings: 0.18 / 0.25 / 0.55 kW, according to arrangement; Control options: Manual, pneumatic or electrical; selected arrangement. These figures describe the documented family or model reference; the usable duty point must be checked against speed, liquid properties, suction conditions and the selected drive.
MODEL IDENTIFICATION
CPP / CMP / AM5: model and configuration checklist
Identification references include CPP, CMP, DMP, AM5. Use the complete nameplate designation, serial number, connection, materials, seal arrangement and drive details when requesting a replacement or quotation.
APPLICATION REVIEW
CPP / CMP / AM5: materials and suitable duties
AISI 316L and PVC liquid-end variants; piston, diaphragm and seal materials vary. Typical duties to review include Water-treatment chemical dosing, Process and formulation dosing. Provide the required dosing turndown and pressure. Specify whether a piston or diaphragm liquid end is required and identify the valve materials.
SERVICE PLANNING
CPP / CMP / AM5: maintenance and spare-parts preparation
Identify gears, shafts, bushes and seals for gear pumps, or the liquid-end valves, piston seals and diaphragms for metering pumps, using the matching section drawing. Isolate the equipment, follow the applicable maintenance procedure and confirm every replacement item against the installed configuration before ordering.
PRODUCT & ENGINEERING FAQ
Questions about CUCCHI CPP / CMP / AM5
Use these answers to prepare a technically complete comparison and enquiry.
How should CUCCHI CPP / CMP / AM5 be selected?
Start with the real duty point: fluid, flow, differential pressure or head, temperature, viscosity, solids, suction condition and operating pattern. DFIN then reviews size, materials, sealing and drive.
Are the listed maximum values a guaranteed operating point?
No. They describe independent catalog boundaries for the family or model. The selected point must be checked against the applicable curve, size, speed, fluid and drive arrangement.
What information confirms the complete model code?
Provide the full nameplate designation and serial number plus materials, seal arrangement, ports, drive, motor supply and any special option. A family name alone is not an order code.
Can DFIN help identify service parts?
Yes. Send the equipment identity, drawing position, existing part code, photographs, material and failure description. DFIN can prepare a parts enquiry matched to the installed configuration.
What should be included in the quotation request?
Include quantity, fluid data, operating point, installation, connection standard, available utilities, hazardous-area requirements and delivery destination. For a replacement, include the nameplate and current drawing.
SHANGHAI DFIN PUMP CO., LTD.
Turn this reference into a clear quotation.
Send the full model and serial number, quantity, fluid, required flow and pressure, temperature, viscosity, installation details and delivery destination. For a replacement, attach the nameplate and existing drawing.
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A gear-metering range for process liquids where consistent delivery and speed-based control are important. Stainless-steel bar-stock construction and selected sealing arrangements support chemical and formulation duties.
- Family flow range
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- Maximum published operating pressure
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CUCCHI Low-viscosity metering gear pump WP for Low-viscosity filling and dosing
Low-viscosity metering gear pump
WP addresses metering of low-viscosity and poorly lubricating liquids. Fluid temperature and the chosen construction are particularly important for these duties.
- Published flow range
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- Maximum pressure
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CUCCHI Stainless-steel transfer gear pump MX for Resins, adhesives, polyols and isocyanates
Stainless-steel transfer gear pump
MX provides stainless-steel gear-pump options for transferring compatible process liquids. Size-specific curves and connection arrangements support selection across small and larger transfer duties.
- Published viscosity range
- 1–100,000 cP
- Mechanical-seal design temperature
- Up to 200 °C; actual materials govern
CUCCHI · Product family
CUCCHI Transfer gear pump S / SK / SM for Compatible chemical transfer without suspended solids
Transfer gear pump
The S, SK and SM families use machined construction for liquid transfer, with controlled-speed arrangements for suitable metering duties. The selected material and seal arrangement govern chemical compatibility.
- Published viscosity range
- 1–100,000 cP
- Duty selection
- Individual size curve and motor speed required
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CUCCHI Transfer gear pump B / MG for Oil and compressor-lubrication transfer
Transfer gear pump
B and MG are traditional cast gear-pump families for industrial liquid transfer. Material variants support different fluids; the pump size and seal arrangement need to be confirmed from the individual drawing.
- Published operating pressure
- Up to 15 bar
- Capacity selection
- See the individual size curve
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Heavy-duty cast-iron internal gear pump
ROTAN HD provides a configurable positive-displacement platform for viscous, non-corrosive liquids. Heating and sealing choices make the family relevant to processes where product temperature and viscosity change between start-up and normal operation.
- Maximum family flow
- 250 m³/h
- Maximum differential pressure
- 16 bar
DESMI ROTAN · Product family
DESMI ROTAN Stainless-steel chemical-duty internal gear pump CD for Compatible acids and alkalis
Stainless-steel chemical-duty internal gear pump
ROTAN CD combines the internal-gear pumping principle with stainless-steel construction for chemically demanding liquids. DFIN reviews the complete wetted path, including seals and bearings, for the specified composition.
- Maximum family flow
- 250 m³/h
- Maximum differential pressure
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MAAG · Product family
MAAG Industrial gear pump flexinox for Chemical additives and emulsions
Industrial gear pump
A corrosion-resistant gear-pump family for controlled transfer and dosing of process liquids. The accessible three-part housing and optional quick-clean arrangement support applications with cleaning or product-change requirements.
- Family flow range
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- Maximum differential pressure
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Industrial gear pump
A small-throughput gear-pump family for metering additives and other process liquids. The low-flow range is relevant when controlled delivery is more important than bulk transfer capacity.
- Family flow range
- 0.05–12 L/min
- Maximum differential pressure
- 100 bar
DESMI ROTAN · Model size reference
DESMI ROTAN Internal gear pump — size reference HD81 for Replacement identification for an installed HD81
Internal gear pump — size reference
HD81 identifies a size within the heavy-duty ROTAN cast-iron family. This page supports identification and replacement enquiries, including the full designation supplied to DFIN: HD81EFCHD-1M22B.
- Family
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- Nominal size reference
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- Family flow range
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- Maximum differential pressure
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