GENERAL SEALTECH is a professional company that produces various diaphragm products. We started producing diaphragms in 1990 and entered the international market in 2007. Our products mainly include Rolling diaphragm,Teflon / PTFE Diaphragm,Rubber diaphragms,Solenoid Pulse Valve Diaphragms,LPG CNG Diaphragm,Gas meter diaphragms, etc.
The dimensional tolerance of diaphragm forming can reach+/-0.01. The product has characteristics such as Resistance to special media,Chemical resistance,Wear resistance, etc. At present, our products have been exported to Europe,Oceania,Africa and other regions, as well as the United States, France, South Korea, Mexico,Tajikistan,Tokelau,Seychelles and other countries.
|nbr rubber diaphragm
|Place of Origin
|USA,Japan,Italy,Australia,Albania,Estonia,Congo, Republic of the…etc
|-40 °C to +220°C
|Durable, water/dust/oil proof
|Export Standard Packing
|Online technical support
|Seal for Valve,Electrical Appliances…etc
|Cutting, Extruded and Moulded, Plastic Packing
|Abrasion Resistance,Environment Protective,Cold Resistance…etc
|50000-200000 Piece/Pieces per Month
|Lead time (days)
|7-15 (To be negotiated)
Please note: This table is for reference only, please consult us for specific information.
nbr rubber diaphragm technology can be widely used in various application fields. It can be used for material control and purification of food,air,steam,drugs, 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.
All are made of materials that comply with national safety standards, ensuring the safe use of industrial diaphragms.
nbr rubber diaphragm—FAQs Guide
1.As a nbr rubber diaphragm manufacturer,What kind of payment do you accept?
Trade assurance, T/T, L/C, Weston Union are all accepted.
2.As a nbr rubber diaphragm manufacturer,Can you make custom parts based on my sample?
Yes, you can send the sample to us by express and we will evaluate the sample, scan the features and draft 3D drawing for production.
3.What is the expected service life of nbr rubber diaphragm, and how does it vary depending on factors like material and usage?
The expected service life of diaphragms can vary greatly depending on the material and usage. Generally, diaphragms made of rubber or elastomeric materials can last anywhere from 5 to 10 years, depending on the application and environment. Diaphragms made of metal or plastic can last much longer, up to 20 years or more. Factors such as temperature, pressure, and chemical exposure can also affect the service life of diaphragms.
4.Can nbr rubber diaphragm be used in applications requiring compliance with industry standards, such as FDA, ASME, or ISO?
Yes, diaphragms can be used in applications requiring compliance with industry standards, such as FDA, ASME, or ISO. However, the specific requirements of the application must be taken into consideration when selecting the appropriate diaphragm material and design.
5.About nbr rubber diaphragm,What information should the customer provide to get an accurate quote from us?
Customers need to provide relevant technical requirements, drawings, pictures, industrial voltage, planned output, etc.
6.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.
7.How does the thickness of a nbr rubber diaphragm affect its flexibility and pressure resistance?
The thicker the diaphragm, the less flexible it will be and the more pressure it will be able to resist. This is because thicker diaphragms are more rigid and can withstand higher pressures without deforming. Thinner diaphragms are more flexible and can deform more easily under pressure, but they are also less resistant to pressure.
8.About nbr rubber diaphragm,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.
9.What types of sealing mechanisms are commonly used with nbr rubber diaphragm, such as clamped, bolted, or adhesive seals?
In general, nbr rubber diaphragm will use these sealing mechanisms:
1. Clamped Seals: Clamped seals are the most common type of diaphragm seal. They are typically used in applications where the pressure is relatively low and the temperature is not too extreme. Clamped seals are easy to install and provide a reliable seal.
2. Bolted Seals: Bolted seals are used in applications where the pressure is higher and the temperature is more extreme. They are more difficult to install than clamped seals, but provide a more reliable seal.
3. Adhesive Seals: Adhesive seals are used in applications where the pressure is low and the temperature is not too extreme. They are easy to install and provide a reliable seal. However, they are not as reliable as clamped or bolted seals.
10.Can nbr 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).
11.What are the common materials used in diaphragm manufacturing, and how do they impact the diaphragm’s performance?
Common materials used in diaphragm manufacturing include rubber, silicone, neoprene, polyurethane, and polyester. Each material has its own unique properties that can affect the performance of the diaphragm.
Rubber is a popular choice for diaphragms due to its flexibility and durability. It is also resistant to heat, chemicals, and abrasion. However, rubber can be prone to cracking and tearing over time.
Silicone is a synthetic material that is highly resistant to heat and chemicals. It is also very flexible and can be used in a wide range of applications. However, silicone can be prone to tearing and is not as durable as rubber.
Neoprene is a synthetic rubber material that is highly resistant to heat, chemicals, and abrasion. It is also very flexible and can be used in a wide range of applications. However, neoprene can be prone to cracking and tearing over time.
Polyurethane is a synthetic material that is highly resistant to heat, chemicals, and abrasion. It is also very flexible and can be used in a wide range of applications. However, polyurethane can be prone to cracking and tearing over time.
Polyester is a synthetic material that is highly resistant to heat, chemicals, and abrasion. It is also very flexible and can be used in a wide range of applications. However, polyester can be prone to cracking and tearing over time.
12.Can nbr rubber diaphragm be customized for specific applications?
Yes, diaphragms can be customized for specific applications. Depending on the application, the diaphragm can be made from different materials, such as rubber, plastic, or metal, and can be designed to meet specific requirements.
13.What role do nbr rubber diaphragm play in controlling fluid flow and preventing leaks in pumps and valves?
Diaphragms are flexible membranes that are used to control fluid flow and prevent leaks in pumps and valves. They are typically made of rubber or plastic and are designed to flex and move in response to pressure changes. When pressure is applied to one side of the diaphragm, it flexes and creates a seal that prevents fluid from leaking out. This seal is maintained until the pressure is released, allowing the diaphragm to return to its original shape and allowing the fluid to flow freely. Diaphragms are used in a variety of applications, including pumps, valves, and other fluid control systems.
14.As a nbr rubber diaphragm manufacturer,what services can we provide?
Free design and samples offered.Custom package and stickers.