HVF : DIN 11864 & DIN 11853 Aseptic Unions

DIN11864-3 Form A and DIN11853-3 Form A, Aseptic Clamp Union

This range of T-Clamp aseptic unions has been developed by the German hygienic industry to meet the exacting needs of the food, dairy and beverage, chemical and pharmaceutical industries.

The Type 3 design is based on the 3A Clamp Union and is commonly used throughout the World as the default union for the Bio-Tech and pharmaceutical industries.

Available with optional lengths to suit Orbital and Manual Welding, these unions have been designed to match tube and pipe specifications including DIN 11850 / 11866; ASME BPE 2022 and BS 4825 Part 1 and also the DIN11866-Table B / ISO 1127 Standard for pipe.

The “Form A” seal is an O Ring joint whilst Form B is not commercially available.

A complementary range of orbital welding fittings is also available to DIN11865 Table A, B and C and includes Bends, Tees and Reducers.

Materials:

316L SS / 1.4404 Stainless
316L / 1.4435 Stainless Steel
304 / 1.4407 Stainless Steel

Gaskets:

EPDM, HNBR and FKM
Specials available in PTFE and FEP, also Silicone and Gylon

Surface finish:

H2 – 0.8µM Ra Internals and 1.6µm Ra Externals

H3 – 0.8µM Ra Internals and 1.0µm Ra Externals – Standard

H4 – 0.4µM Ra Internals and 1.0µm Ra Externals

0.6 µM Ra (EP) Internals and 1.0µm Ra Externals

(Electro-Polished)

Related standards:

DIN 11864-1 Form A, DIN 11864-2 Form A & DIN 11864-3 Form A
DIN11853-1 Form A, DIN11853-2 Form A & DIN11853-3 Form A
DIN32676 Table A, B & C
ASME BPE 2022
DIN 11850 Table A, B, C and D
DIN11865 Table A, B & C
ISO1127 & ISO 2037
BS 4825 Part 1 & Part 3
DIN 11851 and DIN11852