



- Butt welding fittings
- bends
- T- X- Y- pieces
- T- and Y-bends
- reducers
- caps and heads
- collars
- branch saddles
- orbital fittings
- ANSI / ASME
- Industrial valves
- ball valves
- actuators
- drain cocks
- gate valves
- globe valves
- non-return valves
- Y-strainers
- control technology
- Flanges
- welding neck flanges
- threaded flanges
- blind flanges
- plate flanges
- loose plate flanges
- collars
- flange-fittings
- ANSI/ ASME
- other
- Systems
- TEEKAY
- Victaulic
- press fittings
- quick couplings
- clamp connections
- cutting rings
- DIN 11864/ DIN 11853
- railing construction
- Beverage fittings
- unions
- fittings
- pipe clamps
- Tri-Clamp
- valves & cocks
- flange connections
- inspection glasses
- filter & strainers
- spray balls

seal DIN 11851211



seal DIN 11851
Resistance list
Designation | Temperature | EPDM | NBR | Silicon | Viton |
---|---|---|---|---|---|
wine | 1 | 1 | 2 | 2 | |
fruit juice | 1 | 1 | 2 | 3 | |
beer | 1 | 1 | 2 | 2 | |
spices, cold | 1 | 1 | 2 | 3 | |
spices, hot | 2 | 2 | 3 | 3 | |
ethanol | 1 | 2 | 2 | 2 | |
whey | 90°C | 1 | 1 | 2 | 3 |
dairy product | |||||
-"- max.13% Fett | 1 | 1 | 2 | 2 | |
-"- 13-38% Fett | 2 | 1 | 2 | 2 | |
-"- > 38% Fett | 4 | 1 | 2 | 2 | |
butterfat 98% | 80°C | 4 | 1 | 2 | 2 |
olive oil | 80°C | 4 | 1 | 2 | 1 |
water, demin. | 80°C | 1 | 2 | 2 | 3 |
hot water /vapor | 150°C | 1 | 2 | 2 | 4 |
acetic acid | 23°C | 1 | 1 | 1-3 | 4 |
acetic acid | 80°C | 1 | 3 | 1-3 | 4 |
nitric acid | 80°C | 1 | 2 | 2 | 4 |
CIP cleaning measures | 80°C | 1-2 | 2 | 2-4 | 3 |
caustic soda | 80°C | 1 | 1 | 2 | 2 |
ASTM Oil # 1 | 5 | 1 | 2 | 1 | |
ASTM Oil # 2 | 5 | 1 | 4 | 1 | |
ASTM Oil # 3 | 5 | 3 | 4 | 1 | |
resistance<=150°C | 1 | 1 | 1 | 1 | |
cold flexibility | 1 | 3 | 2 | 3 | |
wear resistance | 2 | 1 | 4 | 2 | |
notch impact strength | 2 | 1 | 3 | 2 |
Key:
1 negligible
2 minor influence
3 medium influence
4 major influence
5 unsuitable
EPDM
Ethylene-propylene-diene rubber
color
- black
Operating temperature
- Continuous operation from -40°C to 140°C
- Steam sterilizable to 130°C
typ. area of application
good swelling resistance for:
- Diluted anorganic and organic acids
- Bases
- Polar organic media
- Oxidizing media
- Bases and ketones
- In hot water and steam up to 130°C
- Good ozone, aging, and weather resistance
Application limits
not for use with:
- For plant and animal oils
- Aliphatic, aromatic and chlorinated hydrocarbons
- Mineral oils
Perbunan
(NBR)
color
- blue
operating temperature
- continuous operation from -25°C to 110°C
- Steam sterilizable for short periods to 130°C
typ. area of application
good swelling resistance for:
- Aliphatic hydrocarbons
- Propane
- Butane
- Gasoline
- Mineral oils
- Mineral oil-based fats
- Many diluted acids and bases (room temperature)
Application limits
not resistant for:
- polar solvents
- chlorinated hydrocarbons
- Ketones
- Aromatics (benzene)
- Esters
Silicon
(VMQ)
color
- brown-red
- optionally natural/ transparent
operating temperature
- Resistant in water up to 100°C
- Steam sterilizable for short periods from 120°C to 130°C
- Can be cleaned in weak acids and bases to 70°C - 80°C
typ. area of application
- High thermal load capacity
- Good resistance to cold
- Well-suited for foods
- Dielectric characteristics
- Very good resistance against oxygen and ozone
- Good resistance to alcohols
- Physiologically and dermatologically harmless
application limits
high swelling for:
- Low molecular weight esters and ethers
- Aliphatic and aromatic hydrocarbons
- Concentrated acids and alkalis
Viton
(FPM)
Farbe
- black
operating temperature
- Continuous operation from -25°C to 200°C
- Steam sterilizable for short periods to 130°C
typ. area of application
good swelling resistance for:
- Mineral oils
- Plant and animal oils
- Fats (also certain additives)
- Aliphatic and aromatic hydrocarbons
- Fuels
application limits
strongly swelling for:
- Polar solvents
- Acetone
- Methyl ketone
- Ethyl acetate
- Diethyl ether
- Low molecular weight organic acids (formic and acetic acids)
- Ammonia gases, amines
- Alkalis
- Dioxanes
- Overheated water steam
PTFE
(Polytetrafluorethylen z.B. Teflon)
color
- white
operating temperature
- continuous operation from -200°C to 230°C
typ. area of application
Extremely good chemical resistance to almost all media
application limits
- No elastic recovery
- After applying pressure, the material stays deformed
dimension | File Download (3D-PDF) | File Download (STEP) |
---|---|---|
Standard DN 10 | heco_GL-211-010-E.pdf | heco_GL-211-010-E.step |
Standard DN 15 | heco_GL-211-015-E.pdf | heco_GL-211-015-E.step |
Standard DN 20 | heco_GL-211-020-E.pdf | heco_GL-211-020-E.step |
Standard DN 25 | heco_GL-211-025-E.pdf | heco_GL-211-025-E.step |
Standard DN 32 | heco_GL-211-032-E.pdf | heco_GL-211-032-E.step |
Standard DN 40 | heco_GL-211-040-E.pdf | heco_GL-211-040-E.step |
Standard DN 50 | heco_GL-211-050-E.pdf | heco_GL-211-050-E.step |
Standard DN 65 | heco_GL-211-065-E.pdf | heco_GL-211-065-E.step |
Standard DN 80 | heco_GL-211-080-E.pdf | heco_GL-211-080-E.step |
Standard DN 100 | heco_GL-211-100-E.pdf | heco_GL-211-100-E.step |
unions seals
seal DIN 11851211

Resistance list
Designation | Temperature | EPDM | NBR | Silicon | Viton |
---|---|---|---|---|---|
wine | 1 | 1 | 2 | 2 | |
fruit juice | 1 | 1 | 2 | 3 | |
beer | 1 | 1 | 2 | 2 | |
spices, cold | 1 | 1 | 2 | 3 | |
spices, hot | 2 | 2 | 3 | 3 | |
ethanol | 1 | 2 | 2 | 2 | |
whey | 90°C | 1 | 1 | 2 | 3 |
dairy product | |||||
-"- max.13% Fett | 1 | 1 | 2 | 2 | |
-"- 13-38% Fett | 2 | 1 | 2 | 2 | |
-"- > 38% Fett | 4 | 1 | 2 | 2 | |
butterfat 98% | 80°C | 4 | 1 | 2 | 2 |
olive oil | 80°C | 4 | 1 | 2 | 1 |
water, demin. | 80°C | 1 | 2 | 2 | 3 |
hot water /vapor | 150°C | 1 | 2 | 2 | 4 |
acetic acid | 23°C | 1 | 1 | 1-3 | 4 |
acetic acid | 80°C | 1 | 3 | 1-3 | 4 |
nitric acid | 80°C | 1 | 2 | 2 | 4 |
CIP cleaning measures | 80°C | 1-2 | 2 | 2-4 | 3 |
caustic soda | 80°C | 1 | 1 | 2 | 2 |
ASTM Oil # 1 | 5 | 1 | 2 | 1 | |
ASTM Oil # 2 | 5 | 1 | 4 | 1 | |
ASTM Oil # 3 | 5 | 3 | 4 | 1 | |
resistance<=150°C | 1 | 1 | 1 | 1 | |
cold flexibility | 1 | 3 | 2 | 3 | |
wear resistance | 2 | 1 | 4 | 2 | |
notch impact strength | 2 | 1 | 3 | 2 |
Key:
1 negligible
2 minor influence
3 medium influence
4 major influence
5 unsuitable
EPDM
Ethylene-propylene-diene rubber
color
- black
Operating temperature
- Continuous operation from -40°C to 140°C
- Steam sterilizable to 130°C
typ. area of application
good swelling resistance for:
- Diluted anorganic and organic acids
- Bases
- Polar organic media
- Oxidizing media
- Bases and ketones
- In hot water and steam up to 130°C
- Good ozone, aging, and weather resistance
Application limits
not for use with:
- For plant and animal oils
- Aliphatic, aromatic and chlorinated hydrocarbons
- Mineral oils
Perbunan
(NBR)
color
- blue
operating temperature
- continuous operation from -25°C to 110°C
- Steam sterilizable for short periods to 130°C
typ. area of application
good swelling resistance for:
- Aliphatic hydrocarbons
- Propane
- Butane
- Gasoline
- Mineral oils
- Mineral oil-based fats
- Many diluted acids and bases (room temperature)
Application limits
not resistant for:
- polar solvents
- chlorinated hydrocarbons
- Ketones
- Aromatics (benzene)
- Esters
Silicon
(VMQ)
color
- brown-red
- optionally natural/ transparent
operating temperature
- Resistant in water up to 100°C
- Steam sterilizable for short periods from 120°C to 130°C
- Can be cleaned in weak acids and bases to 70°C - 80°C
typ. area of application
- High thermal load capacity
- Good resistance to cold
- Well-suited for foods
- Dielectric characteristics
- Very good resistance against oxygen and ozone
- Good resistance to alcohols
- Physiologically and dermatologically harmless
application limits
high swelling for:
- Low molecular weight esters and ethers
- Aliphatic and aromatic hydrocarbons
- Concentrated acids and alkalis
Viton
(FPM)
Farbe
- black
operating temperature
- Continuous operation from -25°C to 200°C
- Steam sterilizable for short periods to 130°C
typ. area of application
good swelling resistance for:
- Mineral oils
- Plant and animal oils
- Fats (also certain additives)
- Aliphatic and aromatic hydrocarbons
- Fuels
application limits
strongly swelling for:
- Polar solvents
- Acetone
- Methyl ketone
- Ethyl acetate
- Diethyl ether
- Low molecular weight organic acids (formic and acetic acids)
- Ammonia gases, amines
- Alkalis
- Dioxanes
- Overheated water steam
PTFE
(Polytetrafluorethylen z.B. Teflon)
color
- white
operating temperature
- continuous operation from -200°C to 230°C
typ. area of application
Extremely good chemical resistance to almost all media
application limits
- No elastic recovery
- After applying pressure, the material stays deformed
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dimension | File Download (3D-PDF) | File Download (STEP) |
---|---|---|
Standard DN 10 | heco_GL-211-010-E.pdf | heco_GL-211-010-E.step |
Standard DN 15 | heco_GL-211-015-E.pdf | heco_GL-211-015-E.step |
Standard DN 20 | heco_GL-211-020-E.pdf | heco_GL-211-020-E.step |
Standard DN 25 | heco_GL-211-025-E.pdf | heco_GL-211-025-E.step |
Standard DN 32 | heco_GL-211-032-E.pdf | heco_GL-211-032-E.step |
Standard DN 40 | heco_GL-211-040-E.pdf | heco_GL-211-040-E.step |
Standard DN 50 | heco_GL-211-050-E.pdf | heco_GL-211-050-E.step |
Standard DN 65 | heco_GL-211-065-E.pdf | heco_GL-211-065-E.step |
Standard DN 80 | heco_GL-211-080-E.pdf | heco_GL-211-080-E.step |
Standard DN 100 | heco_GL-211-100-E.pdf | heco_GL-211-100-E.step |