Din 11864 1 3 Form A Nut Clamp
- 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 union standardizes hygienic stainless steel joints that eliminate entrapment pockets and bacterial harborage in sterile process lines. Defined tolerances secure smooth bore alignment and regulated O-ring compression under rigorous thermal cycling. Forged 316L alloy construction provides structural rigidity against line deflection during pulsating pressure surges.
Metal Stops Preventing Gasket Intrusion
Coupling assemblies under din 11864 1 form a utilize recessed elastomeric cavities backed with rigid metallic stops. This mechanical restriction arrests gasket creep into fluid streams, securing crevice-free boundaries during SIP routines reaching 140°C. Defined volume gaps prevent localized over-compression when operators tighten connecting collars.
Screwed Ferrule Locking Under Mechanical Limits
Threaded connections governed under din 11864 1 integrate exterior slotted nuts over male ferrules. Controlled torque ensures reproducible elastomer seating while eliminating internal turbulence and batch contamination risks. Thread profiles withstand repetitive washdown protocols without galling or thread stripping.
Structural Behavior Across Hygienic Fitting Variants
| Connection Geometry | Fastening Mechanism | Elastomeric Seal Seating | Disassembly Tooling Requirement | CIP / SIP Thermal Stability |
|---|---|---|---|---|
| Threaded Union | External slotted nut | Recessed O-ring pocket | Hook wrench | Suitable up to 140°C |
| Bolted Flange | Hex bolt array | Metallic stop enclosure | Torque wrench | Maximum line rigidity |
| Quick-Release Clamp | Hinged two-segment clamp | Self-centering groove | Tool-free manual wing nut | Rapid line turnarounds |
Clamp Ferrule Mechanics for Rapid Maintenance
Where frequent teardowns occur, din 11864 3 establishes clamp fittings secured with heavy-duty nut clamps. Interlocking metallic faces prevent gasket over-compression and line misalignment under pulsating operating pressures. Segmented clamp geometry distributes circumferential force uniformly along ferrule tapers.
Micro-Smooth Surface Finishes Resisting Biofilm
Internal bore surfaces ground below Ra 0.8 micrometers eliminate microscopic crevices where organic residue attaches. Smooth electropolished passages allow cleaning agents to achieve total fluid displacement without lingering chemical film.
Thermal Expansion Stability During Steam Sterilization
Elastomeric compounds matching DIN specifications flex within machined recess grooves without extruding across pipe joints. Controlled thermal expansion prevents micro-vacuum formation during rapid ambient cool-down cycles, sealing fluid boundaries against atmospheric ingress.
Technical Data
| Material: | SS316L |
| 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


