PTFE Bellows Chemical Pump Seal for 30-100mm Shafts, 0.5MPa Pressure, Chemical Resistance
Price:
USD
MOQ:
1pcs
Delivery Time:
3~10DAYS
Brand:
JG
Product Description
PTFE Bellows Chemical Pump Seal Overview
The PTFE Bellows Chemical Pump Seal is engineered for demanding chemical applications, featuring a welded PTFE bellows assembly that serves as both secondary seal and axial flexibility component. This innovative design eliminates elastomers, ensuring compatibility with highly corrosive and high-purity fluids across a wide temperature range.
Technical Specifications
Operating Range
| Parameter | Value |
|---|---|
| Shaft Diameter | 30-100mm |
| Pressure | 0.5 MPa |
| Temperature | -10 to 100°C |
| Sliding Velocity | 15 m/s |
Material Composition
| Component | Material Options |
|---|---|
| Rotary Ring | Carbon / Silicon Carbide / Tungsten Carbide / Ceramic |
| Stationary Ring | Carbon / Silicon Carbide / Tungsten Carbide / Ceramic |
| O-Ring | EPDM, NBR, AFLAS, Kalrez |
| Spring & Metal Parts | SUS304/SUS316, Titanium, 904L |
Key Features & Advantages
- Exceptional corrosion resistance for chemical pumps
- Balanced single face seal design, rotation-independent
- Multi-spring structure with PTFE protection cover
- No dynamically loaded O-rings for enhanced reliability
- Excellent self-cleaning effect prevents material buildup
- Suitable for extreme temperature ranges and low-end sterile applications
Recommended Applications
- Sulfuric acid and hydrochloric acid transfer systems
- Chemical dosing and metering pumps
- Agitator and mixer seals in chemical reactors
- Solvent and halogenated hydrocarbon processing
- Pharmaceutical and fine chemical production
- High-purity chemical and ultrapure water applications
- Electroplating and metal finishing bath circulation
- Bleach and sodium hypochlorite handling systems
- Waste acid and chemical effluent treatment
- Semiconductor chemical mechanical planarization (CMP)
Quality Standards & Customization
Our seals strictly comply with DIN24960, ISO3069, EN12756, and API628 standards. We welcome OEM/ODM orders and provide customized mechanical seals based on your drawings or requirements, including small quantity orders.
Frequently Asked Questions
What are the key design features of a PTFE Bellows Chemical Pump Seal?
This seal features a welded PTFE bellows that serves as both the secondary seal and axial flexibility mechanism. This design eliminates elastomeric components, providing complete chemical resistance. The construction typically includes high-grade PTFE for the bellows and advanced ceramic or silicon carbide for the sealing faces.
In which applications is the PTFE Bellows Chemical Pump Seal primarily used?
It is specifically engineered for handling aggressive chemicals across various industries, including chemical processing, pharmaceutical manufacturing, semiconductor production, and wastewater treatment.
What are the standard operating limits for a PTFE Bellows Chemical Pump Seal?
Standard operational parameters typically include temperature ratings from -50°C to 180°C, pressure capabilities up to 1.6 MPa, and maximum surface speeds of 20 m/s. Specific limits may vary based on seal configuration and material combinations.
What material benefits does PTFE provide for chemical pump seals?
PTFE offers exceptional resistance to virtually all chemicals, including strong acids, bases, and solvents. It maintains stability across a wide temperature range and exhibits low friction characteristics.
How does the PTFE bellows design address challenges in sealing aggressive media?
The one-piece welded PTFE bellows eliminates potential failure points associated with elastomeric secondary seals, ensuring reliable performance with aggressive chemicals and high-purity fluids.
Shipping & Payment Information
Port of Loading: Shanghai | Shipping Methods: DHL, UPS, FEDEX, TNT | Payment Terms: T/T, Western Union, MoneyGram
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch
Location
No. 28 No. 28 Chengxi Road, Jiashan County, Jiaxing, Zhejiang, China 314100
Contact Person
Doris Sun