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measures and values

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current selection

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

Product specification

Resistance list<table class="techDescTable"><thead><tr><th>Designation</th><th>Temperature</th><th>EPDM</th><th>NBR</th><th>Silicon</th><th>Viton</th></tr> </thead><tbody><tr class="Even"><td>wine</td><td> </td><td>1</td><td>1</td><td>2</td><td>2</td></tr><tr class="UnEven"><td>fruit juice</td><td> </td><td>1</td><td>1</td><td>2</td><td>3</td></tr><tr class="Even"><td>beer</td><td> </td><td>1</td><td>1</td><td>2</td><td>2</td></tr><tr class="UnEven"><td>spices, cold</td><td> </td><td>1</td><td>1</td><td>2</td><td>3</td></tr><tr class="Even"><td>spices, hot</td><td> </td><td>2</td><td>2</td><td>3</td><td>3</td></tr><tr class="UnEven"><td>ethanol</td><td> </td><td>1</td><td>2</td><td>2</td><td>2</td></tr><tr class="Even"><td>whey</td><td>90°C</td><td>1</td><td>1</td><td>2</td><td>3</td></tr><tr class="UnEven"><td>dairy product</td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr class="Even"><td>-"- max.13% Fett</td><td> </td><td>1</td><td>1</td><td>2</td><td>2</td></tr><tr class="UnEven"><td>-"- 13-38% Fett</td><td> </td><td>2</td><td>1</td><td>2</td><td>2</td></tr><tr class="Even"><td>-"- > 38% Fett</td><td> </td><td>4</td><td>1</td><td>2</td><td>2</td></tr><tr class="UnEven"><td>butterfat 98%</td><td>80°C</td><td>4</td><td>1</td><td>2</td><td>2</td></tr><tr class="Even"><td>olive oil</td><td>80°C</td><td>4</td><td>1</td><td>2</td><td>1</td></tr><tr class="UnEven"><td>water, demin.</td><td>80°C</td><td>1</td><td>2</td><td>2</td><td>3</td></tr><tr class="Even"><td>hot water /vapor</td><td>150°C</td><td>1</td><td>2</td><td>2</td><td>4</td></tr><tr class="UnEven"><td>acetic acid</td><td>23°C</td><td>1</td><td>1</td><td>1-3</td><td>4</td></tr><tr class="Even"><td>acetic acid</td><td>80°C</td><td>1</td><td>3</td><td>1-3</td><td>4</td></tr><tr class="UnEven"><td>nitric acid</td><td>80°C</td><td>1</td><td>2</td><td>2</td><td>4</td></tr><tr class="Even"><td>CIP cleaning measures</td><td>80°C</td><td>1-2</td><td>2</td><td>2-4</td><td>3</td></tr><tr class="UnEven"><td>caustic soda</td><td>80°C</td><td>1</td><td>1</td><td>2</td><td>2</td></tr><tr class="Even"><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr class="UnEven"><td>ASTM Oil # 1</td><td> </td><td>5</td><td>1</td><td>2</td><td>1</td></tr><tr class="Even"><td>ASTM Oil # 2</td><td> </td><td>5</td><td>1</td><td>4</td><td>1</td></tr><tr class="UnEven"><td>ASTM Oil # 3</td><td> </td><td>5</td><td>3</td><td>4</td><td>1</td></tr><tr class="Even"><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td></tr><tr class="UnEven"><td>resistance<=150°C</td><td> </td><td>1</td><td>1</td><td>1</td><td>1</td></tr><tr class="Even"><td>cold flexibility</td><td> </td><td>1</td><td>3</td><td>2</td><td>3</td></tr><tr class="UnEven"><td>wear resistance</td><td> </td><td>2</td><td>1</td><td>4</td><td>2</td></tr><tr class="Even"><td>notch impact strength</td><td> </td><td>2</td><td>1</td><td>3</td><td>2</td></tr></tbody></table> Key:1 negligible2 minor influence3 medium influence4 major influence5 unsuitable <hr> EPDMEthylene-propylene-diene rubber color- black Operating temperature- Continuous operation from -40°C to 140°C- Steam sterilizable to 130°C typ. area of applicationgood 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 limitsnot for use with:- For plant and animal oils- Aliphatic, aromatic and chlorinated hydrocarbons- Mineral oils <hr> 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 applicationgood swelling resistance for:- Aliphatic hydrocarbons- Propane- Butane- Gasoline- Mineral oils- Mineral oil-based fats- Many diluted acids and bases (room temperature) Application limitsnot resistant for:- polar solvents- chlorinated hydrocarbons- Ketones- Aromatics (benzene)- Esters <hr> 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 limitshigh swelling for:- Low molecular weight esters and ethers- Aliphatic and aromatic hydrocarbons- Concentrated acids and alkalis <hr> 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 applicationgood swelling resistance for:- Mineral oils- Plant and animal oils- Fats (also certain additives)- Aliphatic and aromatic hydrocarbons- Fuels application limitsstrongly 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 <hr> PTFE(Polytetrafluorethylen z.B. Teflon) color- white operating temperature- continuous operation from -200°C to 230°C typ. area of applicationExtremely good chemical resistance to almost all media application limits- No elastic recovery- After applying pressure, the material stays deformed

material

measures and values

stocks and pricing

downloads

CAD

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

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unions

seals

unions seals

seal DIN 11851211

Product specification

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

measures and values

stocks and pricing

downloads

CAD

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

associated articles

Ask our experts