Product Description

CNBM INTERNATIONAL CORPORATION

Build your world with our materials.

We are a primary subsidiary of China National Building Material Group Co., Ltd.

CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203^th in 2019). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2017).

CNBM Water Section is 1 of the pioneering suppliers of pipes, fittings and systems in China.

We are leading the market by supplying:

• Ductile iron water and sewer pipes, fittings, valves and couplings and adaptors
• Ductile iron access covers and gratings
• Other types of pipes and fittings

 

Why choose CNBM?

•  Government Credit

CNBM Intl is a primary subsidiary of CHINAMFG Group, a Chinese central governmental enterprise. We’ve been accessed by D&B as Duns Registered 4A1 level since 2012, which endorsed us as 1 of the safest suppliers to work with in China.

• Industry Leader

As an industry leader, CHINAMFG Intl is also a top-ranking buyer of iron ore and coking coal in the world. Our raw materials’ cost and quality are under strict control from A to Z.

• Strong Logistics Capability

         1.       Professional Logistics team

         2.       20,000 containers + 30,000 M³bulk vessel per year = Cost-effective and Prioritized Shipments

         3.       50000 M² Dubai Logistics Park solely-owned by CNBM

•  VIP services

         1.       Professional Sales Team

         2.       Multi-language Sales Managers

         3.       One-to-One fast response

 

•  One-Stop Purchase Solution

Over 800 kinds of industrial products within CHINAMFG product range.

Product Description

Product Name	Ductile Iron Pipe and Fittings
Material	Ductile Iron
Registered Brand	CMAX or CNBM
Nominal Diameter	DN80 – DN2000mm
Application	Water supply, Drainage, Civil Engineering, Construction & Housing, etc.
Standard	EN545, EN598, ISO2531
Joint Type	T type, Flange type, Self-restrained type

 

 

Our Factory

Certifications

SGS Certificates

TUV Certificates

Packaging & Shipping

Wooden Cases/Pallet with wrap film or according to customer’s requirements.

Some Projects

Our Services

• Usually you can get our quotation within ONE day. In particular cases, we are committed to providing it within 48 hours.
• Total technical supports from our senior consultant engineers.
• Timely & Cost-efficient delivery.
• Real time information of Chinese market.
• Special discounts and protective policies provided to our distributors/partners.

FAQ

• Are you a trading company or manufacturer?
• CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.

• I have some special requirement about specifications.
• We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.

• Do you accept OEM service?
• Yes, we do.

• What is your delivery time?
• It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry’s average.

• What is the payment term?
• Our payment terms are negotiable.

• Can I have my own logo on the product?
• Sure, we can apply your own logo on the products according to your drawings.

• Can I get samples?
• Yes, you can. And you only need to bear the delivery costs, if the samples are not too big.

• How is your company’s experience?
• We have an over 20 years of experience in water industry and been exporting to over 56 countries. We cherish our reputation as a company and our customers love us.

• Can I request to change the form of packaging and transportation?
• Sure, we’re glad to fulfill your requirement. Yet please understand that extra costs may occur if the form of packaging and transportation are changed.

 

 

 

 

Can flexible couplings be used in food processing and pharmaceutical industries?

Yes, flexible couplings can be used in both the food processing and pharmaceutical industries under certain conditions. These industries have stringent requirements for equipment used in their processes, including hygienic design, cleanliness, and resistance to contamination. Here’s how flexible couplings can be used in these industries:

• Hygienic Design: In food processing and pharmaceutical applications, flexible couplings with hygienic designs are essential to prevent the accumulation of food particles, dust, or other contaminants. Stainless steel or FDA-approved materials are commonly used to ensure compliance with hygiene standards and ease of cleaning.
• Cleanability: The equipment used in food processing and pharmaceutical industries must be easily cleanable to maintain product purity. Flexible couplings with smooth surfaces and no crevices or pockets that can trap particles are preferred.
• Chemical Resistance: Some food processing and pharmaceutical applications involve the use of cleaning agents or chemicals. Flexible couplings must be resistant to these chemicals to prevent degradation and ensure long-term reliability.
• Corrosion Resistance: In food processing and pharmaceutical environments, equipment is often exposed to washdowns and sanitizing solutions. Flexible couplings made of corrosion-resistant materials can withstand these conditions and maintain their performance over time.
• Compliance with Standards: The food processing and pharmaceutical industries are subject to strict regulations and standards. Flexible couplings used in these industries should comply with relevant industry standards, such as FDA, EHEDG, or NSF standards.
• Non-Toxic Materials: Flexible couplings used in direct contact with food or pharmaceutical products must be made of non-toxic materials that will not contaminate the process.
• Resistant to Temperature Extremes: Some food and pharmaceutical processes involve extreme temperatures. Flexible couplings must be capable of withstanding high and low temperatures without compromising their integrity.

When selecting flexible couplings for food processing and pharmaceutical applications, it is essential to work closely with manufacturers and suppliers who understand the industry’s unique requirements. Customized solutions may be necessary to ensure that the couplings meet the specific needs of the application and comply with industry standards.

Summary: Flexible couplings can be used in food processing and pharmaceutical industries when they meet the necessary hygiene, cleanability, chemical resistance, corrosion resistance, compliance with standards, and temperature resistance requirements. Proper selection and application of flexible couplings can contribute to the efficiency and reliability of equipment in these critical industries.

Can flexible couplings be used in precision manufacturing equipment, such as CNC machines?

Yes, flexible couplings can be used in precision manufacturing equipment, including CNC (Computer Numerical Control) machines. CNC machines require high accuracy and precision during operation to produce complex and intricate parts. Flexible couplings play a vital role in such equipment by providing various benefits that enhance their performance and reliability.

• Compensation for Misalignment: CNC machines often have multiple moving parts and axes that need precise alignment. Flexible couplings can accommodate small misalignments between these components, ensuring smooth and reliable power transmission without inducing additional stress or strain on the system.
• Vibration Damping: Precision manufacturing requires minimizing vibrations that could affect the quality of the finished product. Flexible couplings with damping properties can absorb and dissipate vibrations, resulting in better surface finishes and accuracy of the machined parts.
• Torsional Flexibility: CNC machines may experience torque fluctuations during acceleration, deceleration, or tool changes. Flexible couplings with torsional flexibility can handle these variations and prevent torsional vibrations from affecting the machining process.
• Backlash Compensation: Some types of flexible couplings, such as beam couplings, offer minimal or near-zero backlash. This characteristic is essential in CNC machines, as it helps maintain positional accuracy during direction changes and reversals.
• High Torque Transmission: CNC machines may require high torque transmission capabilities, especially in heavy-duty cutting or milling operations. Flexible couplings can handle substantial torque loads while still providing flexibility to address misalignments.
• Reduced Maintenance: With the ability to absorb shocks and compensate for misalignment, flexible couplings can extend the life of other mechanical components in the CNC machine, reducing overall maintenance requirements and downtime.

It’s important to select the appropriate type and size of flexible coupling based on the specific requirements of the CNC machine, including torque, speed, misalignment, and environmental conditions. Regular maintenance and inspection of the flexible couplings will ensure optimal performance and contribute to the overall precision and efficiency of the CNC machine.

Can flexible couplings be used in both horizontal and vertical shaft arrangements?

Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.

Horizontal Shaft Arrangements:

In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.

Vertical Shaft Arrangements:

In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.

Considerations for Vertical Shaft Arrangements:

When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:

• Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
• Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
• Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.

Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.

editor by CX 2023-12-13