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Description
DIN 11851 male and female fittings, integrally PTFE lined and flared. The PTFE sealing face is hot moulded into the correct shape, designed to achieve the optimum pressure seal. 90° elbow PTFE lined fittings are available for some sizes and grades.
Specification
- Generally to German DIN 11851 specifications
NB: The PTFE lined male fitting is designed to be used without a rubber seal. Please note that when connecting to a PTFE Lined DIN 11851 Male, extra spanner tightening of the nut is sometimes required in order to provide a leak free connection.
Fitting Materials
- Spigots in Grade 316L SS (Non-Lined Spigot in 1.4571)
- Nuts in Grade 304 SS
- Ferrules, most in Grade 304 SS, some sizes in Grade316L SS
Temperature & Pressure Ratings
- Sizes up to 1 1/4" MWP = 40 Bar (580 psi) up to 130°C (266°F)
- Sizes 1 1/2" & 2" MWP = 25 Bar (360 psi) up to 130°C (266°F)
Except where the applicable hose pressure / temperature ratings are lower
DIN11851 Male & Female Fittings, PTFE Lined
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| PTFE Lined DIN11851 Male Fitting |
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PTFE Lined DIN11851 Female Fitting |
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Nominal Hose
Size = "I" Dia. |
*Male Fitting Length
A (M) (Bioflex RC) |
*Female Fitting Length
A (F) (Bioflex RC) |
| in |
mm |
in |
mm |
in |
mm |
| 1/2 |
15 |
2.28 |
58 |
2.00 |
51 |
| 3/4 |
20 |
2.44 |
62 |
2.17 |
55 |
| 1 |
25 |
3.00 |
76 |
2.75 |
70 |
| 1 1/4 |
32 |
2.75 |
70 |
2.50 |
64 |
| 1 1/2 |
40 |
2.84 |
72 |
3.00 |
76 |
| 2 |
50 |
3.47 |
88 |
3.55 |
90 |
DIN11851 Female Fitting, Non-Lined
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Nominal Hose
Size |
I Diameters |
*Fitting Length A |
| in |
mm |
in |
mm |
in |
mm |
| 1/2 |
15 |
0.375 |
9.5 |
2.58 |
65 |
| 3/4 |
20 |
0.625 |
15.9 |
3.00 |
76 |
| 1 |
25 |
0.797 |
20.2 |
3.20 |
81 |
| 1 1/4 |
32 |
1.030 |
26.2 |
3.82 |
97 |
| 1 1/2 |
40 |
1.250 |
31.8 |
3.82 |
97 |
| 2 |
50 |
1.750 |
44.5 |
3.94 |
100 |
*Fitting Lengths listed are for Bioflex RC, SI and FP Grades. Shorter lengths apply for other grades of Bioflex.
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