DIN 11851 Fittings

Description

  • DIN 11851 male and female fittings, integrally PTFE lined.
  • Also available non-lined, up to 4” (100mm), to special order.

Specification

  • Generally to German DIN 11851 specification.

Note: The PTFE lined male fitting is designed to be used without a rubber seal. Please note that when connecting to a PTFE Lined DIN11851 Male, extra spanner tightening of the nut is sometimes required in order to provide a leak free connection.

End Fitting Materials

  • Spigots in Grade 316L SS
  • Nuts in Grade 304 SS
  • Ferrules, most in Grade 304 SS, some sizes in Grade 316L SS

Temperature & Pressure Ratings

  • Sizes up to 11/2” MWP = 40 Bar (580 psi) up to 140˚C (284˚F)
  • Sizes 2” to 3” MWP = 25 Bar (360 psi) up to 140˚C (284˚F)

Except where the applicable hose pressure/temperature ratings are lower.

90˚ Elbows 

PTFE Lined 90˚ elbow fittings are available for some sizes and grades.

 

DIN11851 Female Fitting

 

DIN11851 Male Fitting

Nominal Hose Size *Fitting Length A (Male)  *Fitting Length A (Female) Weight of Fitting 
Male Female 
in mm in  mm in  mm Kg Lbs Kg Lbs
3/4 20 23/8 60 23/8 60 0.18 0.39 0.22 0.48
1 25 23/8 60 25/8 67 0.22 0.48 0.36 0.79
11/4 32 21/2 65 23/4 70 0.27 0.59 0.47 1.04
11/2 40 25/8 67 27/8 73 0.33 0.73 0.55 1.21
2 50 25/8 67 27/8 73 0.58 1.28 0.93 2.05
21/2  65 31/2 89 35/8 92 0.73 1.61 1.31 2.88
3 80 4 100 35/8 92 1.00 2.20 1.57 3.46

*Fitting Lengths listed are for Corroflon braided only hose grades (SS, PB, HB, KYB). Approximately 33% longer lengths apply to the rubber covered hose grades (RC, SI, FP).

 

DIN11851 Female Fittings, not PTFE Lined

Description

DIN11851 Female Fittings, Non-Lined, are available in sizes 3/4”, 1”, 11/2”, 2”, 21/2”, 3” and 4”. Consult Aflex Hose for details.

Materials

Spigots in Grade 1.4571 (AISI 316 T), Nuts in Grade 304 SS, Ferrules, most in Grade 304 SS, some in Grade 316 SS.

Nominal Hose Size ID (I) Fitting Length (A) Fitting Weight 
in  mm in mm in mm Kg  Lbs
1/2 13 16 0.63 48 1.89 0.18 0.40
3/4 20  20 0.79 73 2.87 0.24 0.53
1 25 26 1.02 74 2.91 0.41 0.90
11/4 32 32 1.26 89 3.50 0.52 1.15
11/2 40 38 1.50 101 3.98 0.75 1.65
2 50 50 1.97 105 4.13 1.11 2.45