Stainless Steel Male Shaft Compression Tube Female Thread Union Small Flange Adaptor
Grade: SS304/SS316L.
Standard: DIN, SMS, 3A.
Working pressure: 0.6–2.5 MPa.
Test pressure: 3.8 MPa.
Temperature Range: -20°C to 180°C.
PTFE seals: chemical resistance.
Viton seals: high-temperature sealing durability.

Our stainless steel sanitary quick-connect internal threaded fittings are superior to traditional industrial connectors in all aspects of hygiene, installation efficiency, sealing performance, and corrosion resistance.
Working Principle
Stainless Steel Male Shaft Compression Tube Female Thread Union Small Flange Adaptor of a quick-connect end, an internal threaded end, a sealing area, and a connecting body.
During installation: The pipeline connects to the connector through the quick-connect interface; the clamp tightens the sealing ring to form a reliable seal; the internal threaded end connects to the external threaded interface of the equipment; a stable sealing structure is formed at the connection point; fluid is continuously transported through the internal flow channel of the connector; a safe connection between the pipeline system and the equipment is achieved.
The entire transport process features low flow resistance, stable operation, and reliable sealing.
This structure can operate stably for a long time and is particularly suitable for high-cleanliness sanitary fluid transport processes.
Accessories
- Connector Body: Precision manufactured using AISI 304 or 316L sanitary grade stainless steel.
- Quick-Connect End: Adopts a standard sanitary grade clamp interface structure design.
- Internal Thread Interface: Manufactured using high-precision CNC turning.
- Fluid Contact Surface: Made of sanitary grade stainless steel and mirror polished.
- Surface Treatment: Both inner and outer surfaces are treated with mechanical polishing or electrolytic polishing processes.
- Specification Range: DN15~DN150
- Working Pressure:0~16Bar
- Working Temperature: -20℃~180℃
- Material:304, 304L, 316L
- Surface Treatment: Ra≤0.8μm mirror polished
- Connection Method: Quick-connect × Internal Thread
- Thread Standard: BSP, BSPT, NPT, DIN
- Applicable Media: Food, beverages, dairy products, pharmaceuticals, fermentation broths, and clean fluids
Digital advantages
1. Standardized Manufacturing: Produced using CNC machining equipment to achieve standardized dimensional control.
2. Automated Polishing Process:Achieves uniform and stable surface roughness control.
3. International Standard Compatibility: Supports compatibility with international standards such as DIN, SMS, ISO, and 3A.
4. Full-Process Quality Inspection: Supports material inspection, dimensional inspection, thread inspection, and surface quality inspection.
5. Customized Production Capability: Supports project-based design and non-standard specification customization.

- Sanitary Stainless Steel Materiall:
- F: The main body is made of 304/316L sanitary stainless steel.
- A:Excellent corrosion resistance and long-term stable operation.
- B: Extends product lifespan and reduces maintenance costs.
- Quick-Connect Technology:
- F: Adopts a standard sanitary quick-connect structure.
- A: Quick installation, no complex construction required.
- B: Shortens installation time and improves work efficiency.
- High-Precision Thread Machining
- F:Manufactured using CNC precision machining technology.
- A:Ensures thread fit accuracy and sealing stability.
- B: Reduces leakage risk and improves system reliability.
- Sanitary Structural Design:
- F: Mirror-polished fluid contact surfaces, eliminating sanitary dead corners.
- A:: Supports CIP online cleaning and SIP online sterilization.
- B:Effectively improves system cleanliness and production safety.





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