Factory Price Waterproof NBR/EPDM Long Lifetime Pump Rubber Diaphragm//Rubber Membrane
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Product Highlights
- Wide Material Selection: Supports Rubber (NBR, EPDM, Silicone), Plastic, and Metal materials for diverse applications.
- Full Customization: Customizable color, material, size, and surface finish based on customer drawings or samples.
- High Precision Tolerance: Achieves tight tolerances ranging from 0.01mm to 0.001mm for high-quality parts.
- Certified Quality: Products certified with ISO9001, RoHS, CE, and SGS standards for reliability.
- Large Production Capacity: Monthly production volume reaches 50,000,000 pieces with 47 years of industry experience.
- Multiple Processing Methods: Utilizes injection molding, CNC machining, extrusion, and compression molding technologies.
- Low MOQ for Orders: Minimum Order Quantity is just 1 piece, suitable for prototyping and small batches.
- Leak-Proof Performance: Designed with no-leak performance characteristics for effective sealing applications.
Product Attributes
- Customization
- Available
- After-sales Service
- 1year
- Warranty
- 1year
- Model NO.
- Customized
- Certification
- ISO9001:2008, ISO9001:2000, RoHS, CE
- Rated Current
- 11-15A
- Voltage
- 220V
- Material
- Rubber
- Power
- Hydraulic
- Valve Body Type
- Diaphragm
- Function
- Solenoid Valve, Electronic Type, Intelligent Type
- Diaphragm Material
- Neoprene
- Performance
- No Leak
- Brand Name
- Zhongde
- Years in Industry
- 47
- Certificate
- ISO9001,RoHS, CE,SGS.etc
- Services
- One-Stop Service From Drawing to Production
- Production Process
- Injection, CNC, Compression, Casting, Extrusion
- Customized Item
- Molds&Products (Color, Material, Size, Surface, PA
- Material for Choose
- Plastic,Rubber,Silicone,PU,Metal,Nylon,PVC,ABS.etc
- Color&Size&Shape
- as Per The Customer's Requirements
- Biggest Part Size
- 1500*1500*1000mm
- Products Tolerance
- 0.01mm--0.001mm
- MOQ
- 100 Piece
- Free Samples
- 1-5 PCS
- Support
- 100% Strict Quality Control and Technical Support
- Drawing Format
- 2D/(Pdf/CAD), 3D(Iges/Step)
- Industries We Serve
- Automotive,Mechanical,Consumer Electronics
- Transport Package
- Carton Case or Upon Request
- Specification
- as Per Drawing
- Trademark
- Zhongde
- Origin
- China
- HS Code
- 3923500000
- Production Capacity
- 200, 000 PCS/Month
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 1.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description

| Product Specifications | |
| Technology | Injection molding, CNC machining, Extrusion, vacuum forming, Compression molding, Over molding&insert molding |
| Material | Rubber: NR, NBR, Neoprene, EPDM, Silicone, FKM, BR/SBR, PU, TPE, TPV, TPU,etc Plastic: PA6 PA66 PA6+GF PA66+GF, ABS, POM, PP, PE, LDPE, HDPE, UHMWPE, PTFE, PVC, PC, PEEK, PS, PET, PBT, TPU, TPE,etc |
| Color | any color according to Pantone code |
| Size | As per customer's requirements |
| Additives | UV absorbers, Flame retardants, Plasticizers, Colorants, Carbon fibers, Glass fibers |
| Surface Treatment | Polishing finish, Glossy Finish, Texture Finish, silk printing, painting, As-machined |
| Biggest Part Size | 1500*1500*1000mm |
| Tolerance | 0.01mm--0.001mm |
| Product Volume | 50,000,000 Pcs/Month |
| Drawing Format | 2D Drawing: PDF/JPG/PNG 3D Drawing: STEP/STP/IGS/DXF/DWG |
| Packaging | Can be customized packaging |
| Shippment | We have longterm cooperation with internation shipping agent and express company, so that shipping safty and arriving time are secured |
| Application | Automotive, ATV, Mechanical equipment, Construction, Home appliance, Aviation, Office facilities, Agriculture, etc. |





About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR246378". Items marked "" are certified.
Company Profile
Zhongde (Beijing) Machinery Euipment Co., Ltd is a high technology enterprise with scientific research and professional manufacture. There are engineers and technicians in our company. While our company is complete in equipment and facilities and perfect in testing and inspecting measures.
The products contains rubber product series, plastic product series, seal series, CNC machined parts, compensator series, caster series and quick connector and so on.
Besides, in connection with some customers' professional manufacturing equipments, we have produced a series of auxiliary products. In order to reach customer's requirements and standards precisely, our company develops product by our self, which enables us to contract various high standard and great difficulty heterogeneous product.
The advanced international automatic manufacturing equipment that our company introduced decreases the product cost largely and makes our thousands of products more competitive. Our products have passed authentications, are widely approved, adopted and favored by domestic and foreign enterprises.
About Our Factory & Business Background
- Address
- C-708 Shangdi Third Street 9th, Jinyujiahua Building, Haidian District, Beijing, China
-
Plant Area
- 156 square meters
-
Number of Employees
- 21
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 1
Our Production Capability & Technical Expertise
- Main Products
- Custom Molded Rubber Parts, Custom Molded Plastic Parts, CNC Machined Parts, High Pressure Oil Hoses, PU Rollers, Bushings, End Caps, Gaskets, Sealing Strips, Gears
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-04-08
-
Export Year
- 10 Years
-
Main Markets
- North America, Europe, Australia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 10
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What materials are available for the pump rubber diaphragm?
- We offer a wide range of materials including Rubber (NR, NBR, Neoprene, EPDM, Silicone, FKM, BR/SBR, PU, TPE, TPV, TPU), Plastic (PA6, PA66, ABS, POM, PP, PE, PTFE, PVC, etc.), and Metal options.
- Can I customize the color and size of the product?
- Yes, we provide full customization. Colors can be matched to Pantone codes, and sizes are made according to customer requirements. We also customize surface finishes and shapes.
- What is the minimum order quantity (MOQ)?
- The Minimum Order Quantity is 1 piece. We also offer 1-5 free samples for testing purposes.
- What certifications do your products have?
- Our products are certified with ISO9001:2008, ISO9001:2000, RoHS, CE, and SGS, ensuring high quality and compliance with international standards.
- What is the warranty period for these products?
- We provide a 1-year warranty for after-sales service and product quality.
- What is the production lead time?
- The average lead time is one month. This applies to both peak season and off-season periods.
- Do you accept OEM and ODM services?
- Yes, we support OEM and ODM services. We offer one-stop service from drawing to production, including customization from samples, designs, and flexible minor customization.
- What is the precision tolerance of the manufactured parts?
- We maintain a high precision tolerance ranging from 0.01mm to 0.001mm for our products.
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