Din11864 1 Form A 2a
- Model:
- Brand:
- J&O
- Material:
- SS316L
- Gasket:
- O RING
- Working Temperature:
- -20°~120°
- Working Pressure:
- 0-10Bar
- Payment:
- T/T, L/C, Western Union
A DIN11864-3 heavy-duty clamp connects compatible pipe components in aseptic process systems through a clamping assembly and sealing gasket. Correct selection depends on mating geometry, nominal size, gasket compatibility, and operating conditions. This connection design supports secure assembly and convenient disassembly in pharmaceutical, chemical, and hygienic process installations where reliable sealing and equipment maintenance are important.
How DIN 11864 Connection Types Differ
The DIN 11864 series includes several connection designs for aseptic service. DIN 11864-1 specifies a screwed union, DIN 11864-2 covers a flange connection, and DIN 11864-3 addresses a clamp connection. Each configuration uses different fastening components and mating geometry, so replacement parts must match the intended connection standard.
A DIN 11864 1 form a connection belongs to the screwed-union family. Its component dimensions and sealing arrangement should be checked against the applicable drawing before it is selected for an existing line. A threaded union cannot be directly substituted for a clamp assembly solely because both connections have the same nominal pipe size.
Dimensions and Sealing Components to Check
| Inspection Point | What to Verify | Fitment Purpose |
|---|---|---|
| Nominal size | Pipe size and mating dimensions | Confirms connection compatibility |
| Clamp profile | Shape and dimensions of the mating parts | Supports uniform engagement |
| Gasket | Material, diameter, and seating position | Maintains sealing contact |
| Stainless steel | Confirmed grade and surface condition | Supports corrosion resistance |
| Operating conditions | Rated pressure and temperature | Confirms service suitability |
Dimensional compatibility involves more than nominal diameter. The clamp profile must seat correctly around the mating components, while the sealing element must fit its designated groove or contact surface. A mismatch can cause uneven loading, gasket displacement, or leakage during operation.
Installation and Maintenance Considerations
Before assembly, inspect the sealing surfaces for scratches, residue, corrosion, and deformation. Confirm that the gasket is correctly positioned and that the mating components align without excessive force. The clamp should close evenly around the joint, following the manufacturer's specified installation procedure.
For systems using DIN 11864 2a components, the exact designation and flange arrangement should be verified against the applicable technical drawing. Similar standard numbers do not establish interchangeability with a Part 3 clamp connection. Replacement decisions should account for the complete assembly, including the mating ends and seal.
Confirm the Working Conditions
Pressure, temperature, cleaning chemicals, and repeated thermal cycling can affect gasket performance and connection integrity. Stainless steel grade alone does not establish the pressure or temperature rating of the assembled joint. Verified product specifications and material documentation should determine whether the selected clamp and sealing components suit the intended process.
Correct connection identification, accurate dimensions, and compatible sealing parts form the basis of dependable DIN11864-3 assembly performance.
Technical Data
| Material: | SS304 |
| Max working pressure: | 10Bar |
| Max. Working Temperature: | 180 degree C |
| Availably size: | DN11-DN100 |
| Application: | For Aseptic applications in chemical and pharmaceutical industry. |
Product Parameter


