Food couplings DIN 11851 - LMC-Couplings

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FOOD COUPLINGS DIN 11851CONNECTION1. Male threaded welding coupling type DIN213...2. NBR seal type DIN211...3. Female welding coupling type DIN214...4. Nut type DIN210...Food couplings complying with DIN 11851 vs SMSDIN 11851SMSDIN 11851SMSFemale coupling Conical face Flat faceMale coupling Deep seal Turned-up sealSeal U-shape seal Square sealMale and female thread Rounded thread Rounded threadcomplying with DIN 405/1 complying with DIN 405/1Max. working pressure 40 bar / 580 psi 6 bar / 87 psiAPPLICATIONFor the food, beverage, pharmaceutical and chemical industries.WORKING PRESSUREND BAR PSI15 40 58020 40 58025 40 58032 40 58038 40 58040 40 58050 25 36263 25 36265 25 36275 25 36280 25 362100 25 362Working pressure of the coupling must be chosen in relation with the working pressure of the desired hose and pipe.B.3.2Chapter B: Threaded couplings
FOOD COUPLINGS DIN 11851B.3.TEMPERATURE-30°C / -22°F up to 120°C/ 248°FHose, coupling, assembly method and seal must be chosen in relation with the disired temperature and working pressure.MATERIALCouplingStainless steel AISI 316 - EN 1.4401 = hose coupling (standard)Stainless steel AISI 304 - EN 1.4301 = nut, cap and welding coupling (standard)SealNBR (standard);EPDM;FPM;H-NBR, available on requestASSEMBLY1. RK safety clamps complying with EN 14420-3 / DIN 28172. FLEXOLINE ® safety clamps3. HRRK or HRP swage ferrules4. WeldingFOOD COUPLINGS DIN 11851THREADSFood couplings complying with DIN 11851 are not interchangeable with SMS food couplings. Although the threads ofboth couplings comply with DIN 405/1, precise dimensions vary, making them non-interchangeable.ND THREAD COMPLYING WITH DIN 405/115 RD 34 x 1/8"20 RD 44 x 1/6"25 RD 52 x 1/6"32 RD 58 x 1/6"38 RD 65 x 1/6"40 RD 65 x 1/6"50 RD 78 x 1/6"63 RD 95 x 1/6"65 RD 95 x 1/6"75* RD 104 x 1/6"80 RD 110 x 1/4"100 RD 130 x 1/4"* on requestRA-VALUERoughness average value (Ra-value) DIN 11851 couplings1. Ra-value inner side ≤ 1.6 µm2. Ra-value outer side ≤ 3.2 µmOther Ra-values and Ra-report available on request.Chapter B: Threaded couplingsB.3.3
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Food couplings DIN 11851 - LMC-Couplings

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