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| Categories | Custom Rubber Products |
|---|---|
| Brand Name: | SHQN/Royal Way |
| Model Number: | Various sizes |
| Certification: | ISO 9001 |
| Place of Origin: | Shanghai, China |
| MOQ: | 200 pieces |
| Price: | EXW USD$1.2/pc-$0.9/pc |
| Payment Terms: | L/C, T/T, Western Union, Western Union,Bank transfer |
| Supply Ability: | 50000pcs per week |
| Delivery Time: | 7-20 days |
| Packaging Details: | plastic bags+carton |
| Product Name: | Precision Molded Rubber Membrane |
| Material Base: | Premium Nitrile Butadiene Rubber (NBR) |
| Manufacturing Method: | High-Pressure Precision Compression/Injection Molding |
| Standard Hardness: | 60 - 75 Shore A (Customizable range 40-90) |
| Operating Temperature: | -20°C to +100°C (-4°F to +212°F) |
| Tensile Strength: | ≥ 12.5 MPa |
| Elongation at Break: | ≥ 350% |
| Pressure Rating: | Suitable for Low, Medium, and High-Pressure Systems |
| Compliance: | ISO9001 |
| MOQ: | 200 pieces |
| Delivery time: | 7-12 days |
| Package: | plastic bags+carton |
| Company Info. |
| Shanghai Qinuo Industry Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
In the world of fluid dynamics, precision is the difference between efficiency and failure. Our precision molded rubber membrane for water pressure pumps is engineered to provide a flawless vacuum seal and consistent pressure regulation. Manufactured by Qinuo, a leader in high-tech rubber sealing since 2013, these membranes are the preferred choice for industrial and domestic water systems requiring long-term reliability and zero leakage.
The heart of our pump diaphragm is the Nitrile Rubber (NBR) membrane. Nitrile is the industry benchmark for high-performance pumping due to its unique chemical structure.
| Feature | Detailed Specification |
| Product Name | Precision Molded Rubber Membrane |
| Material Base | Premium Nitrile Butadiene Rubber (NBR) |
| Manufacturing Method | High-Pressure Precision Compression/Injection Molding |
| Standard Hardness | 60 - 75 Shore A (Customizable range 40-90) |
| Operating Temperature | -20°C to +100°C (-4°F to +212°F) |
| Tensile Strength | ≥ 12.5 MPa |
| Elongation at Break | ≥ 350% |
| Pressure Rating | Suitable for Low, Medium, and High-Pressure Systems |
| Compliance | ISO9001 |
1. Precision Engineering: Every molded rubber membrane undergoes strict dimensional checks to ensure compatibility with standard pump housings without the need for modifications.
2. Extended Service Life: Our vulcanization process optimizes the cross-linking of the rubber molecules, significantly reducing flex-fatigue and cracking.
3. Chemical & Wear Resistance: Designed to handle not just clean
water, but also treated water containing common industrial
chemicals and minor abrasives.
4. Low Maintenance: The smooth surface finish prevents the buildup
of mineral deposits, ensuring the pump operates at peak efficiency
for longer periods.
Our water pressure pump membranes are versatile and trusted across multiple industries:
1. Industrial Water Systems: Pressure regulation in centrifugal and diaphragm pumps.
2. Residential Booster Pumps: Maintaining stable water pressure in
high-rise buildings and home systems.
3. Oil & Gas Sector: High-efficiency seals for fluid transfer and
energy industry equipment.
4. Agricultural Irrigation: Reliable sealing for outdoor pump
stations and sprinkler systems.
5. HVAC & Expansion Tanks: Ensuring pressure balance in heating and
cooling circuits.
Q1: Can your NBR membranes handle high-temperature water?
A: Our standard Nitrile membranes are rated up to 100°C. For
applications involving steam or constant boiling water, we can
offer EPDM or Silicone alternatives upon request.
Q2: Are these membranes compatible with major pump brands?
A: Yes. We produce universal precision-molded membranes designed to match the technical specifications of standard
industrial pump housings. We focus on providing high-quality,
non-branded replacement solutions that meet or exceed OEM
standards.
Q3: Do you support custom designs and fabric reinforcement?
A: Absolutely. With our in-house R&D team and 30+ vulcanization
presses, we can produce fabric-reinforced rubber membranes for
extra high-pressure applications based on your CAD drawings.
Partnering with Qinuo means choosing a high-tech enterprise with a global reputation.
1. Manufacturing Power: Based in the Shanghai Free Trade Zone with two wholly-owned factories in Nantong. We operate 30+ advanced vulcanization presses with a monthly capacity of over 20 tons.
2. Global Export Expertise: We have successfully served clients in
over 100 countries, including the USA, Germany, and Canada.
3. Quality for Survival: Our ISO9001-certified quality system
ensures that every rubber water pump membrane is tested for
durability and sealing performance before it leaves our port.
4. Strategic Logistics: Located just one hour from Shanghai Port,
we ensure rapid shipping and reduced lead times for your bulk
orders.
Ready to upgrade your pump systems with our High-Efficiency Rubber Seals? Contact Qinuo today to discuss your technical requirements and get wholesale pricing.
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