sanitary couplings

DIN 11851 Sanitary Couplings

Stainless steel sanitary couplings for screw pipe connections and for expanding and welding are made for use of the transfer of food, beverage, chemical or pharmaceutical particles in food and chemical industry.

Male couplings with (RD) thread and female coupling with cone head (liner) are compressed with food-grade sealing material in between and closed by a round screw-on nut.

Learn more features of our sanitary couplings...

Female Liner × Smooth Hose Tail

[DIN 11851]

din11851 female liner by smooth hose tail
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials
Protection & Package 1 piece wrapped in thermoplastic foams
Hose Clamps Reuseable Safety Clamps acc. to DIN EN 14420-3 / DIN 2817 recommended
General Markings SS — 1.4404 DN40 SME
Size Inch Ø
mm
ØA
mm
AISI
304
AISI
316L
DN 010 3/8 225. 10.2
210 010.23
210 010.24
DN 015 1/2 28.5 13.2
210 011.23
210 011.24
DN 020 3/4 36.5 19.2
210 012.23
210 012.24
DN 025 1 44.0 25.2
210 013.23
210 013.24
DN 032 50.0 32.2
210 014.23
210 014.24
DN 040 56.0 38.2
210 015.23
210 015.24
DN 050 2 68.5 50.2
210 016.23
210 016.24
DN 065 86.0 63.2
210 017.23
210 017.24
DN 065 86.0 65.2
210 022.23
210 022.24
DN 080 3 100.0 75.2
210 018.23
210 018.24
DN 100 4 121.0 100.3
210 019.23
210 019.24
DN 125 5 - -
210 020.23
210 020.24
DN 150 6 - -
210 021.23
210 021.24

Female Liner × Serrated Hose Tail

[DIN 11851]

din11851 female liner by serrated hose tail
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials
Protection & Package 1 piece wrapped in thermoplastic foams
Hose Clamps Reuseable Safety Clamps acc. to DIN EN 14420-3 / DIN 2817 recommended
General Markings SS — 1.4404 DN40 SME
Size Size
inch
Ø
mm
ØA
mm
AISI
304
AISI
316L
DN 010 3/8 22.5 10.2
210 010.25
210 010.26
DN 015 1/2 28.5 13.2
210 011.25
210 011.26
DN 020 3/4 36.5 19.2
210 012.25
210 012.26
DN 025 1 44.0 25.2
210 013.25
210 013.26
DN 032 50.0 32.2
210 014.25
210 014.26
DN 040 56.0 38.0
210 015.25
210 015.26
DN 050 2 68.5 51.0
210 016.25
210 016.26
DN 065 86.0 63.5
210 017.25
210 017.26
DN 080 3 100.0 76.1
210 018.25
210 018.26
DN 100 4 121.0 101.6
210 019.25
210 019.26
DN 125 5 - -
210 020.25
210 020.26
DN 150 6 - -
210 021.25
210 021.26

Female Liner × Serrated Hose Tail With M Thread

[DIN 11851]

din11851 female liner by serrated hose tail with m thread
Standard Materials Body — Stainless steel 316L (1.4404);
Sealing — No sealing materials
Protection & Package 1 piece wrapped in thermoplastic foams
Hose Clamps Swage Ferrule with M Thread recommended
General Markings SS — 1.4404 DN50 SME
Size Size
inch
Ø
mm
ØA
mm
AISI
316L
DN 050 2 68.0 50.5
210 016.29
DN 065 86.0 63.6
210 017.29
DN 080 3 100.0 75.5
210 018.29

Female Liner With/Without Internal Groove, Double

[DIN 11851]

din11851 female liner with and without internal groove, double
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials
Protection & Package 5~10 pieces wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Ø
mm
ØA
mm
AISI
304
AISI
316L
DN 010 3/8 22.5 13
---
210 010.22
DN 015 1/2 28.5 19
---
210 011.22
DN 020 3/4 36.5 23
---
210 012.22
DN 025 1 44.0 29
---
210 013.22
DN 032 50.0 35
---
210 014.22
DN 040 56.0 41
---
210 015.22
DN 050 2 68.5 53
---
210 016.22
DN 065 86.0 70
---
210 017.22
DN 080 3 100.0 85
---
210 018.22
DN 100 4 121.0 104
---
210 019.22
DN 125 5 150.0 129
---
210 020.22
DN 150 6 176.0 154
---
210 021.22
DN 010 3/8 22.5 15
210 010.2
210 010.21
DN 015 1/2 28.5 21
210 011.2
210 011.21
DN 020 3/4 36.5 25
210 012.2
210 012.21
DN 025 1 44.0 31
210 013.2
210 013.21
DN 032 50.0 37
210 014.2
210 014.21
DN 040 56.0 43
210 015.2
210 015.21
DN 050 2 68.5 55
210 016.2
210 016.21
DN 065 86.0 72
210 017.2
210 017.21
DN 080 3 100.0 87
210 018.2
210 018.21
DN 100 4 121.0 106
210 019.2
210 019.21
DN 125 5 150.0 132
210 020.2
210 020.21
DN 150 6 176.0 157
210 021.2
210 021.21

Male RD Thread × Smooth Hose Tail

[DIN 11851]

din11851 male rd thread by smooth hose tail
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials, PTFE gasket available on request
Protection & Package 1 piece wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Thread ØA
mm
AISI
304
AISI
316L
DN 010 3/8 28 ×1/8 10.2
210 010.33
210 010.34
DN 015 1/2 34 × 1/8 13.2
210 011.33
210 011.34
DN 020 3/4 44 × 1/6 19.2
210 012.33
210 012.34
DN 025 1 52 × 1/8 25.2
210 013.33
210 013.34
DN 032 58 × 1/8 32.2
210 014.33
210 014.34
DN 040 65 × 1/8 38.2
210 015.33
210 015.34
DN 050 2 78 × 1/8 50.2
210 016.33
210 016.34
DN 065 95 × 1/8 63.2
210 017.33
210 017.34
DN 065 95 × 1/8 65.2
210 022.33
210 022.34
DN 080 3 110 × 1/8 75.2
210 018.33
210 018.34
DN 100 4 130 × 1/8 100.3
210 019.33
210 019.34
DN 125 5 160 × 1/4 -
210 020.33
210 020.34
DN 150 6 190 × 1/4 -
210 021.33
210 021.34

Male RD Thread × Serrated Hose Tail

[DIN 11851]

din11851 male rd thread by serrated hose tail
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials, PTFE gasket available on request
Protection & Package 1 piece wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Thread ØA
mm
AISI
304
AISI
316L
DN 010 3/8 28 × 1/8 10.2
210 010.35
210 010.36
DN 015 1/2 34 × 1/8 13.2
210 011.35
210 011.36
DN 020 3/4 44 × 1/6 19.2
210 012.35
210 012.36
DN 025 1 52 × 1/8 25.2
210 013.35
210 013.36
DN 032 58 × 1/8 32.2
210 014.35
210 014.36
DN 040 65 × 1/8 38.2
210 015.35
210 015.36
DN 050 2 78 × 1/8 51.0
210 016.35
210 016.36
DN 065 95 × 1/8 63.5
210 017.35
210 017.36
DN 080 3 110 × 1/8 76.1
210 018.35
210 018.36
DN 100 4 130 × 1/8 101.6
210 019.35
210 019.36
DN 125 5 160 × 1/4 -
210 020.35
210 020.36
DN 150 6 190 × 1/4 -
210 021.35
210 021.36

Male RD Thread With/Without Internal Groove, Double

[DIN 11851]

din11851 male rd thread with and without internal groove, double
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404);
Sealing — No sealing materials, PTFE gasket available on request
Protection & Package 5~10 pieces wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Thread ØA
mm
AISI
304
AISI
316L
DN 010 3/8 28 × 1/8 13
---
210 010.32
DN 015 1/2 34 × 1/8 19
---
210 011.32
DN 020 3/4 44 × 1/6 23
---
210 012.32
DN 025 1 52 × 1/6 29
---
210 013.32
DN 032 58 × 1/6 35
---
210 014.32
DN 040 65 × 1/6 41
---
210 015.32
DN 050 2 78 × 1/6 53
---
210 016.32
DN 065 95 × 1/6 70
---
210 017.32
DN 080 3 110 × 1/4 85
---
210 018.32
DN 100 4 130 × 1/4 104
---
210 019.32
DN 125 5 160 × 1/4 129
---
210 020.32
DN 150 6 190 × 1/4 154
---
210 021.32
DN 010 3/8 28 × 1/8 15
210 010.3
210 010.31
DN 015 1/2 34 × 1/8 21
210 011.3
210 011.31
DN 020 3/4 44 × 1/6 25
210 012.3
210 012.31
DN 025 1 52 × 1/6 31
210 013.3
210 013.31
DN 032 58 × 1/6 37
210 014.3
210 014.31
DN 040 65 × 1/6 43
210 015.3
210 015.31
DN 050 2 78 × 1/6 55
210 016.3
210 016.31
DN 065 95 × 1/6 72
210 017.3
210 017.31
DN 080 3 110 × 1/4 87
210 018.3
210 018.31
DN 100 4 130 × 1/4 106
210 019.3
210 019.31
DN 125 5 160 × 1/4 132
210 020.3
210 020.31
DN 150 6 190 × 1/4 157
210 021.3
210 021.31

Round Nuts With Operating Slots

[DIN 11851 DIN-13]

din11851 round nuts with operating slots
Standard Materials Body — Stainless steel AISI 304 (1.4301), 316L (1.4404)
Protection & Package 5~10 pieces wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Thread Ø
mm
Slots AISI
304
AISI
316L
DN 010 3/8 28 × 1/8 38 4
210 010.1
210 010.11
DN 015 1/2 34 × 1/8 44 4
210 011.1
210 011.11
DN 020 3/4 44 × 1/6 54 4
210 012.1
210 012.11
DN 025 1 52 × 1/6 63 4
210 013.1
210 013.11
DN 032 58 × 1/6 70 4
210 014.1
210 014.11
DN 040 65 × 1/6 78 4
210 015.1
210 015.11
DN 050 2 78 × 1/6 92 4
210 016.1
210 016.11
DN 065 95 × 1/6 112 6
210 017.1
210 017.11
DN 080 3 110 × 1/4 127 6
210 018.1
210 018.11
DN 100 4 130 × 1/4 148 6
210 019.1
210 019.11
DN 125 5 160 × 1/4 178 6
210 020.1
210 020.11
DN 150 6 190 × 1/4 210 6
210 021.1
210 021.11

Blank Nuts

[DIN 11851]

din11851 blank nuts
Standard Materials Body — Stainless steel AISI 304 (1.4301)
Protection & Package 5~10 pieces wrapped in thermoplastic foams
General Markings SS — 1.4404 DN40 SME
Size Inch Thread Ø
mm
Slots AISI
304
DN 010 3/8 28 × 1/8 38.0 4
210 050
DN 015 1/2 34 × 1/8 44.0 4
210 051
DN 020 3/4 44 × 1/6 54.0 4
210 052
DN 025 1 52 × 1/6 63.0 4
210 053
DN 032 58 × 1/6 70.0 4
210 054
DN 040 65 × 1/6 78.0 4
210 055
DN 050 2 78 × 1/6 92.0 4
210 056
DN 065 95 × 1/6 112.0 6
210 057
DN 080 3 110 × 1/4 127.0 6
210 058
DN 100 4 130 × 1/4 148.0 6
210 059

DIN 11851 Blank Nuts with Holding Pin

din11851 blank nuts with holding pin
DIN 11851 Blank Nuts with Holding Pin Blank nuts with operating slots, holding pin attached
Standard DIN 11851
Core Material Stainless steel AISI 304 (1.4301), AISI 316L (1.4404)
Material certified upon request
Shelf Life 1 year guarantee
din11851 blank nuts with holding pin
Size Inch ØA
mm
Thread H
mm
Slots AISI
304
AISI
316L
DN 010 3/8 38.0 RD28 × 1/8 25.0 4
210 030
210 030.1
DN 015 1/2 44.0 RD34 × 1/8 25.0 4
210 031
210 031.1
DN 020 3/4 54.0 RD44 × 1/6 27.0 4
210 032
210 032.1
DN 025 1 63.0 RD52 × 1/6 28.0 4
210 033
210 033.1
DN 032 70.0 RD58 × 1/6 28.0 4
210 034
210 034.1
DN 040 78.0 RD65 × 1/6 28.0 4
210 035
210 035.1
DN 050 2 92.0 RD78 × 1/6 29.0 4
210 036
210 036.1
DN 065 112.0 RD95 × 1/6 32.0 6
210 037
210 037.1
DN 080 3 127.0 RD110 × 1/4 36.0 6
210 038
210 038.1
DN 100 4 148.0 RD130 × 1/4 38.0 6
210 039
210 039.1
DN 125 5 178.0 RD160 × 1/4 42.0 6
210 040
---
DN 150 6 210.0 RD190 × 1/4 47.0 6
210 041
---

DIN 11851 Male Plugs

din11851 male plugs
DIN 11851 Male Plugs Male thread plugs
Standard DIN 11851
Core Material Stainless steel AISI 304 (1.4301), AISI 316L (1.4404)
Material certified upon request
Shelf Life 1 year guarantee
din11851 male plugs
Size Inch ØA
mm
Thread ØB
mm
H
mm
AISI
304
AISI
316L
DN 015 1/2 25.0 RD34 × 1/8 22.0 22.0
210 071
210 071.1
DN 020 3/4 25.0 RD44 × 1/6 22.0 24.0
210 072
210 072.1
DN 025 1 34.0 RD52 × 1/6 27.0 24.0
210 073
210 073.1
DN 032 34.0 RD58 × 1/6 27.0 24.0
210 074
210 074.1
DN 040 34.0 RD65 × 1/6 27.0 24.0
210 075
210 075.1
DN 050 2 34.0 RD78 × 1/6 27.0 24.0
210 076
210 076.1
DN 065 34.0 RD95 × 1/6 27.0 26.0
210 077
210 077.1
DN 075 3 - - - -
210 078
210 078.1
DN 080 3 34.0 RD110 × 1/4 27.0 30.0
210 079
210 079.1
DN 100 4 34.0 RD130 × 1/4 27.0 30.0
210 080
210 080.1
DN 125 5 44.0 RD160 × 1/4 37.0 34.0
210 081
---
DN 150 6 44.0 RD190 × 1/4 37.0 38.0
210 082
---

U Shape Gasket for Union Couplings

[DIN 11851]

din 11851 u shape gasket for union couplings
Standard Materials Body — Transparent, blue or black Silicone, NBR and EPDM
Protection & Package 100 pieces in plastic bag
Temperature

NBR -30°C / -22° F ~ 120°C / 248°F
EPDM -40°C / -40° F ~ 145°C / 293°F

Silicone -20°C / -4° F ~ 180°C / 356°F

u shaped gaskets for sanitary couplings
Size Ød
mm
ØD
mm
S
mm
Silicone EPDM NBR
DN 010 12 20 4.5
210 010.4
210 010.42
210 010.41
DN 015 18 26 4.5
210 011.4
210 011.42
210 011.41
DN 020 23 33 4.5
210 012.4
210 012.42
210 012.41
DN 025 30 40 5.0
210 013.4
210 013.42
210 013.41
DN 032 36 46 5.0
210 014.4
210 014.42
210 014.41
DN 040 42 52 5.0
210 015.4
210 015.42
210 015.41
DN 050 54 64 5.0
210 016.4
210 016.42
210 016.41
DN 065 71 81 5.0
210 017.4
210 017.42
210 017.41
DN 080 85 95 5.0
210 018.4
210 018.42
210 018.41
DN 100 104 114 6.0
210 019.4
210 019.42
210 019.41
DN 125 130 142 7.0
210 020.4
210 020.42
210 020.41
DN 150 155 167 7.0
210 021.4
210 021.42
210 021.41