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We are a factory, so we can offer you factory prices with high quality.
Q2: Can I get samples?
Yes. You can ask for samples. Usually it's free, but you need to pay for shipping.
Q3: Can l use my own logo or design on the goods?
Yes, we provide OEM/ODMservices; your logo and design can be printed on the products.
Q4: What are your payment terms?
We accept T/T, Paypal, Western Union, and credit card payment is also welcome.
Q5: How about the delivery time?
For stock items, we can ship immediately after receiving the payment.
For other products, we need 14-25 days for mass production, which depends on the quantity and type of order.
Q6: How can we ensure the quality?
Pre-production samples are required before mass production;Final inspection is required before shipment;
Q7: 1 can't find our products in your catalog, can you customize the products for us?
Yes, customized products are available, OEM is welcome.
Q8: Can l buy pumps or pump parts from your company?
Yes, we also provide pumps and pump parts.
Parameter Category | Technical Specifications | References |
---|---|---|
Material & Manufacturing | - Primary Materials: Titanium alloys (Gr.2/Gr.5), Stainless steel (SS304/SS316) 145 - Welding Process: Laser edge-welding for leak-proof integrity 47 - Production Environment: ISO Class 5-8 cleanrooms 4 | 145 |
Design Parameters | - Diameter Range: 10-500 mm 6 - Connection Types: Flanged, threaded, clamp-type 6 - Temperature Range: -50°C to +400°C 45 - Pressure Rating: ≤25 MPa (static), ≤10 MPa (dynamic) 46 | 456 |
Performance Metrics | - Fatigue Life: >1 million cycles (validated via accelerated testing) 5 - Leak Rate: ≤1×10Pa·m³/s (helium leak tested) 4 - Corrosion Resistance: Passes ASTM G48 Method A (48h) 4 | 45 |
Application Scope | - Industrial: Pumps, valves, compressors for chemical/oil/gas industries 25 - High-Vacuum: Semiconductor manufacturing, particle accelerators 36 - Medical: MRI equipment, sterile systems 35 | 235 |
Quality Standards | - Material Compliance: ASTM B338 (titanium), ASME BPE (stainless steel) 45 - Testing: 100% pressure testing, dynamic stress analysis 7 - Certifications: ISO 13485 (medical), RoHS 5 | 457 |
After-Sales Support | - Warranty: 1-year comprehensive coverage 5 - Spare Parts: 10-year availability guarantee 3 - Technical Support: 24/7 global engineering service 5 | 35 |
Notes:
- Dynamic Stress Limits: Welded titanium bellows withstand ≤450 MPa cyclic stress 7.
- Customization: Thread pitch and flange dimensions comply with GOST R50392-92 standards 1.
- Critical Applications: For ultra-high vacuum (≤10 mbar), electropolished surfaces are recommended 4.
For full specifications and drawings, refer to technical datasheets in