DIN 32676 Clamp Coupling
The Clamp coupling (often also called clamp coupling) originally comes from America (Tri-Clamp) and is also available in sizes and specifications according to EN 10357-A (DIN 11850-R2) and this is described in DIN 32676.
The
Clamp coupling exists consists of two ferrules, a seal and a clamping bracket and meets strict hygienic requirements and finds extensive applications in the food, pharmaceutical and cosmetic industries.
Due to their user-friendly nature, the Clamp coupling is a preferred choice. It is mainly used in the American market.
According to EN 10357.
Stainless steel: 1.4404 (316L) 1.4307 (304L).
Tolerances and specifications
DIN 405-1 and 2, DIN ISO 2768-1, ISO 48, FDA and BGA
Type and codes
Ferrule short (KK)
Ferrule long (KL Clamping bracket
Ra value internally
< 0.8μm
Weld (S)
Other connections are not included: Blind, hose barb, screw.
Certificates
These links are available with a 3.1 certificate as standard.
The gaskets are available with an FDA or EC1935/2004 certificate.
Seal
EPDM, FKM (Viton), HNBR, MVQ (silicone), PTFE (Teflon) or Envelope PTFE/EPDM With lip (Type A) and without lip (Type B) except envelope.
Parts Clamp coupling
Various standards for the clamp connection apply to the inch sizes. These all come from a different family. All inch sizes are included in the EN10357 series D, so these different standards all apply.
ISO-2852: based on the ISO2037 (SMS) sizes
BS-4825-3: according to the British Standard
DIN-32676: Inch sizes as in ASME BPE (A-270)
ASME BPE A-270: American inches mainly known from the pharma application
Dutch inch: Inch measurements that are not standardized, but applicable.
These clamp connections may differ in the diameter of the flange, diameter of the sealing groove and slope of the flange.
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