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发布日期:2021年12月02日
PTFE Lined

Description

DIN11851 male and female fittings, integral 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.

Specifications

  • Generally to German DIN 11851 specifications.

End 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 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
- See Sizes, Grades, Pressures & Weights.

Note: 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.

 

PTFE Lined DIN11851 Female Fitting

PTFE Lined DIN11851 Male Fitting

Nominal Hose Size = 'I' Dia *Male Fitting
Length A
(Bioflex Ultra RC)
*Female Fitting Length A
(Bioflex Ultra RC)
Fitting Inside Diameter Weight of Fitting Male Weight of Fitting Female †3A
in mm in mm in mm in mm kg lbs kg lbs  
**1/2 15 2.28 58 2.00 51 0.51 13.0 0.13 0.29 0.17 0.37
3/4 20 2.44 62 2.17 55 0.76 19.4 0.21 0.46 0.23 0.51
1 25 3.00 76 2.75 70 1.01 25.7 0.30 0.66 0.40 0.88
11/4 32 2.75 70 2.50 64 1.28 32.4 0.37 0.82 0.51 1.12
11/2 40 2.84 72 3.00 76 1.53 38.9 0.42 0.93 0.73 1.60
2 50 3.47 88 3.55 90 2.03 51.6 0.65 1.43 1.10 2.42
21/2 65 5.91 150 5.20 132 2.51 63.7 1.50 3.29 1.42 3.12
3 80 6.38 162 5.51 140 3.02 76.8 1.90 4.19 1.82 4.01

* Fitting Lengths listed are for Bioflex Ultra RC, SI and BK hose grades. Shorter lengths apply for other hose grades.
** 3A - For assemblies with nominal hose bore under 0.75", the maximum assembly length is 457mm (18in) and can only be supplied specifically for 3-A Standard17- and 23- compliant filing and packaging machine applications.
† 3A - Clean out of place (COP) only.