GENERAL SEALTECH LIMITED is located in Hangzhou, Zhejiang Province, China. We can provide a variety of diaphragm products for you to choose from to meet your needs. We are committed to maintaining the highest quality standards to meet the needs of our customers. Our company is a production-oriented enterprise engaged in the design, development, manufacturing, and sales of diaphragm products.
The technical backbone of the company has more than 10 years of work experience in product development, mold design, material formulation, production quality management, and has cooperation experience with OEMs and ODMs of multiple large enterprises. Our products mainly include Teflon / PTFE Diaphragm,Rolling diaphragm,Diaphragm Valve pump Diaphragms,Gas meter diaphragms,LPG CNG Diaphragm,Rubber diaphragms, etc. Our products are widely used in fields such as automotive industry,Battery industry,Food processing industry,Biomedical field.
Product Name | diaphragm ptfe |
Materials | ACM,Silicone,NBR,AEM,etc |
Brand Name | GENERAL SEALTECH |
Place of Origin | China |
Product Type | Diaphragm |
Colors | blue,Recommended black |
Sample | Available |
Hardness | 20~90 Shore A diaphragm for regulator |
Packing | PE Bag+Carton |
OEM/ODM | Acceptatble |
Export region | Europe,America,Asia… |
Export Country | USA,France,Italy,Australia,Qatar,Paraguay,Nepal…etc |
Properties | Environment Protective,Cold Resistance,Heat Resistance…etc |
Size | DN max = 2000mm, all other smaller sizes will per customer demands |
Warranty | 1 Year |
Function | Seal for Automotive,Machine,etc |
After-sale Service | Online technical support |
Certification | EN681-1,National Sanitary Certificate,NSF,RoHS,CCS,etc |
Packaging | carton or according to requirements of the customers |
Lead time (days) | 7-15 (To be negotiated) |
Supply Ability | 50000-200000 Piece/Pieces per Month |
Please note: The above table data is for reference only. For specific information, please contact us.
diaphragm ptfe technology can be widely used in various application fields. It can be used for material control and purification of drugs,steam,food, and other media, as well as isolation, catalysis, and membrane functions.
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.
Adopting the latest technology to ensure optimal material detail processing and high-quality performance.
diaphragm ptfe—FAQs Guide
2.Do diaphragm ptfe have electrical conductivity properties, and can they be used in applications requiring EMI/RFI shielding?
3.How do diaphragm ptfe respond to cyclic or pulsating pressure loads, and what is their fatigue life in such conditions?
4.About diaphragm ptfe,Can I get some samples?
5.Are there diaphragm ptfe designed for pulsation dampening or shock absorption in hydraulic systems?
6.Can diaphragm ptfe be used in contact with food or pharmaceutical products, and what certifications are required for compliance with industry standards?
7.How are diaphragm ptfe designed to resist abrasion and wear in applications with abrasive media?
8.How do diaphragm ptfe contribute to the isolation of different process media or gases within a system?
9.Are diaphragm ptfe available in different shapes and sizes to suit specific applications?
10.Are there specialized diaphragm ptfe for high-pressure applications, and what features make them suitable for these conditions?
11.Do diaphragm ptfe have temperature limitations, and how do they perform in extreme temperature conditions?
12.What are the considerations for choosing between elastomeric diaphragm ptfe and non-elastomeric diaphragm ptfe for specific applications?
13.As a diaphragm ptfe manufacturer,Can you supply different color materials?
14.About diaphragm ptfe,How can I get the best price and quality?
15.How are diaphragm ptfe designed to resist chemical corrosion and degradation in aggressive environments?
1.How do diaphragm ptfe maintain their flexibility and resilience over time, and what factors can lead to wear or degradation?
Diaphragms maintain their flexibility and resilience over time by being made of materials that are resistant to wear and tear. Common materials used for diaphragms include rubber, silicone, and polyurethane. These materials are designed to be durable and flexible, and can withstand a wide range of temperatures and pressures.
Factors that can lead to wear or degradation of diaphragms include exposure to extreme temperatures, exposure to chemicals, and physical damage. Additionally, diaphragms can become brittle over time due to age and exposure to the elements. To prevent wear or degradation, it is important to inspect diaphragms regularly and replace them when necessary.
2.Do diaphragm ptfe have electrical conductivity properties, and can they be used in applications requiring EMI/RFI shielding?
No, diaphragms do not have electrical conductivity properties and cannot be used in applications requiring EMI/RFI shielding. Diaphragms are typically made of rubber or plastic and are used to control the flow of air or other gases.
3.How do diaphragm ptfe 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.
4.About diaphragm ptfe,Can I get some samples?
Yes, Sample order is available for quality check and market test. But you have to pay the express cost.
5.Are there diaphragm ptfe designed for pulsation dampening or shock absorption in hydraulic systems?
Yes, there are diaphragms designed for pulsation dampening and shock absorption in hydraulic systems. These diaphragms are typically made of rubber or elastomeric materials and are designed to absorb the shock and vibration of the hydraulic system. They are often used in applications such as hydraulic cylinders, pumps, and valves.
6.Can diaphragm ptfe 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).
7.How are diaphragm ptfe designed to resist abrasion and wear in applications with abrasive media?
Diaphragms are designed to resist abrasion and wear in applications with abrasive media by using materials that are highly resistant to abrasion and wear. These materials include polyurethane, rubber, and other elastomers. The diaphragm is also designed with a thicker wall and reinforced edges to provide additional protection against abrasion and wear. Additionally, the diaphragm may be coated with a protective material such as a fluoropolymer to further reduce wear and tear.
8.How do diaphragm ptfe 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.
9.Are diaphragm ptfe available in different shapes and sizes to suit specific applications?
Yes, diaphragms are available in different shapes and sizes to suit specific applications. The shape and size of the diaphragm will depend on the application and the type of material used. For example, a diaphragm made of rubber may be used for a water pump, while a diaphragm made of metal may be used for a pressure regulator.
10.Are there specialized diaphragm ptfe for high-pressure applications, and what features make them suitable for these conditions?
Yes, there are specialized diaphragms for high-pressure applications. These diaphragms are designed to withstand higher pressures and temperatures than standard diaphragms. They are typically made from reinforced elastomers or metal materials such as stainless steel or Hastelloy. These materials are chosen for their strength and durability, as well as their ability to resist corrosion and wear. Additionally, these diaphragms are designed with thicker walls and reinforced edges to provide additional strength and stability.
11.Do diaphragm ptfe have temperature limitations, and how do they perform in extreme temperature conditions?
Diaphragms do have temperature limitations, and their performance in extreme temperature conditions can vary depending on the material used. Generally, diaphragms are designed to operate within a temperature range of -40°F to +250°F (-40°C to +121°C). In extreme temperature conditions, the diaphragm may become brittle and crack, or the material may become too soft and lose its shape. Additionally, the diaphragm may become distorted due to thermal expansion and contraction.
12.What are the considerations for choosing between elastomeric diaphragm ptfe and non-elastomeric diaphragm ptfe for specific applications?
We are a professional diaphragm ptfe 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.
13.As a diaphragm ptfe manufacturer,Can you supply different color materials?
Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
14.About diaphragm ptfe,How can I get the best price and quality?
The price depends on the quantity, design and size. If you order more, the price and shipping will be cheaper.
15.How are diaphragm ptfe 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.
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