GENERAL SEALTECH LIMITED is a high-quality diaphragm product manufacturer that provides comprehensive services and has been meeting the diverse needs of many customers for over 20 years. We produce high-quality diaphragm products to meet your batch and customization needs.
Our tradition is to maintain the shortest turnaround time in the industry, making us your reliable diaphragm production partner. Our engineers check the specified quality through tolerances on dimensions and required performance of the finished product to ensure timely delivery. Provide high-quality products at competitive prices and deliver them on time.
|bellofram rubber diaphragm
|Place of Origin
|20~90 Shore A diaphragm for regulator
|USA,France,Italy,Australia,Puerto Rico,Pitcairn Islands,Malta,Uzbekistan…etc
|Chemical Resistance,Cold Resistance,Oil Resistance…etc
|DN max = 2000mm, all other smaller sizes will per customer demands
|Seal for Valve,Machine,Electrical Appliances,etc
|Online technical support
|FDA,National Sanitary Certificate,NSF,RoHS,KTW,etc
|carton or according to requirements of the customers
|Lead time (days)
|7-15 (To be negotiated)
|50000-200000 Piece/Pieces per Month
Please note: The above table data is for reference only. For specific information, please contact us.
The design principle of a bellofram rubber diaphragm is to use the failure strength and failure mode of materials or structures to set personalized control strategies for a certain heat or mass transfer medium, or for the occurrence of certain flow or diffusion effects, in order to achieve specific functions or protocols.
The diaphragm has strong wear resistance, but it is easily damaged during installation. If cracks appear, they should be reinstalled in a timely manner;
During normal use, check the sealing condition of the diaphragm to prevent water leakage;
Please do not change the installation position of the diaphragm product during use to avoid affecting the effect.
Provide customized services exclusive to customers, and customize various diaphragm products according to their needs to meet the needs of different industries.
bellofram rubber diaphragm—FAQs Guide
1.Can bellofram rubber diaphragm be used in medical devices, and what biocompatibility standards do they need to meet?
Yes, diaphragms can be used in medical devices. The biocompatibility standards that diaphragms need to meet depend on the application and the intended use of the device. Generally, diaphragms used in medical devices must meet the requirements of ISO 10993-1, which outlines the general requirements for biocompatibility. Additionally, depending on the application, the diaphragm may need to meet additional requirements, such as those outlined in ISO 10993-5 for cytotoxicity, ISO 10993-10 for irritation and sensitization, and ISO 10993-11 for hemocompatibility.
2.Can bellofram rubber diaphragm be used in contact with food or pharmaceutical products, and what certifications are required for compliance with industry standards?
Yes, diaphragms can be used in contact with food or pharmaceutical products. Depending on the application, the diaphragm must meet certain industry standards and certifications. For food contact applications, the diaphragm must meet the requirements of the US Food and Drug Administration (FDA) and the European Union (EU) Regulation 10/2011. For pharmaceutical applications, the diaphragm must meet the requirements of the US Pharmacopeia (USP) Class VI and the European Pharmacopoeia (EP).
3.Are bellofram rubber diaphragm suitable for use in applications involving harsh radiation or extreme pressure differentials?
No, diaphragms are not suitable for use in applications involving harsh radiation or extreme pressure differentials. Diaphragms are designed to be used in applications with relatively low pressure differentials and are not designed to withstand extreme temperatures or radiation.
4.As a bellofram rubber diaphragm manufacturer,What kind of payment do you accept?
Trade assurance, T/T, L/C, Weston Union are all accepted.
5.What are the considerations for choosing between elastomeric bellofram rubber diaphragm and non-elastomeric bellofram rubber diaphragm for specific applications?
We are a professional bellofram rubber diaphragm manufacturer, and the factors we consider include:
1. Cost: Elastomeric diaphragms are typically more expensive than non-elastomeric diaphragms.
2. Durability: Elastomeric diaphragms are more durable and can withstand higher pressures and temperatures than non-elastomeric diaphragms.
3. Chemical Compatibility: Elastomeric diaphragms are more resistant to chemical attack than non-elastomeric diaphragms.
4. Flexibility: Elastomeric diaphragms are more flexible than non-elastomeric diaphragms, allowing them to be used in applications where a tight seal is required.
5. Performance: Elastomeric diaphragms are better at maintaining a seal over time than non-elastomeric diaphragms.
6.How are bellofram rubber diaphragm designed to resist chemical corrosion and degradation in aggressive environments?
Diaphragms are designed to resist chemical corrosion and degradation in aggressive environments by using materials that are resistant to the specific chemicals present. Common materials used for diaphragms include fluoropolymers, such as PTFE, FEP, and PFA, as well as elastomers, such as EPDM, Viton, and Neoprene. These materials are chosen for their chemical resistance, as well as their ability to withstand extreme temperatures and pressures. Additionally, diaphragms may be coated with a protective layer of a corrosion-resistant material, such as a fluoropolymer or a metal, to further protect them from chemical attack.
7.Are there bellofram rubber diaphragm made from eco-friendly or sustainable materials for environmentally conscious applications?
Yes, there are diaphragms made from eco-friendly or sustainable materials for environmentally conscious applications. These diaphragms are typically made from natural rubber, silicone, or other biodegradable materials. They are designed to be more durable and longer lasting than traditional diaphragms, and they are also designed to be more energy efficient.
8.How do bellofram rubber diaphragm respond to cyclic or pulsating pressure loads, and what is their fatigue life in such conditions?
Diaphragms respond to cyclic or pulsating pressure loads by flexing and deflecting in response to the pressure. The fatigue life of a diaphragm in such conditions depends on the material used, the frequency of the pressure load, and the magnitude of the pressure load. Generally, fatigue life is shorter for higher frequency and higher magnitude pressure loads.
9.What is a diaphragm?
A diaphragm is a thin, dome-shaped muscle located between the thoracic and abdominal cavities. It is the primary muscle of respiration and helps to regulate the flow of air into and out of the lungs. The diaphragm also plays an important role in aiding digestion by helping to move food through the digestive tract.
10.What mechanical and industrial applications can diaphragms be used in?
Diaphragms can be applied in multiple industries. GENERAL SEALTECH will introduce these to you:
1. Pumps: Diaphragms are used in pumps to separate the pump chamber from the motor, allowing the pump to move fluid without the motor becoming contaminated.
2. Valves: Diaphragms are used in valves to control the flow of liquids and gases.
3. Compressors: Diaphragms are used in compressors to create a seal between the compressor and the cylinder, allowing the compressor to compress the air or gas.
4. Actuators: Diaphragms are used in actuators to convert energy into motion.
5. Filters: Diaphragms are used in filters to separate particles from liquids and gases.
6. Seals: Diaphragms are used in seals to create a tight seal between two surfaces.
7. Pressure Vessels: Diaphragms are used in pressure vessels to contain and control the pressure of a gas or liquid.
8. Heat Exchangers: Diaphragms are used in heat exchangers to separate two fluids while allowing heat to transfer between them.
11.How do bellofram rubber diaphragm contribute to the isolation of different process media or gases within a system?
Diaphragms are used to separate different process media or gases within a system by creating a physical barrier between them. This barrier prevents the media or gases from mixing, thus providing a degree of isolation. Diaphragms are also used to control the flow of media or gases within a system, as they can be designed to open and close in response to pressure or other external factors.