KLINGER C-4400

KLINGERSIL® C-4400

Higher safety for universal applications

KLINGERSIL® C-4400 is a universal material for safe and reliable sealing. It consists of a unique matrix, which offers an excellent combination of different properties.

Basis

Aramid fibers, bonded with NBR.

Areas of application

Resistant to oils, water, steam, gases, salt solutions, fuels, alcohols, moderate organic and inorganic acids, hydrocarbons, lubricants and refrigerants.

Key features

Universal high pressure gasket material
Dimensionally stable
Consistent material composition

Benefits

Excellent price/Performance ratio
Suitable for many different media
Very good resistance to refrigerants

Certificates & approvals

BAM tested
DIN-DVGW
DIN-DVGW W 270
DVGW VP 401
Elastomer-Guideline
ÖVGW Reg.No. G 1.912
DNV GL
TA-Luft (Clean air)
Fire-Safe acc. to DIN EN ISO 10497

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Typical technical data for thickness 2.0 mm

Compressibility ASTM F 36 J		%	11
Recovery ASTM F 36 J		%	55
Stress relaxation DIN 52913	50 MPa, 16 h / 175 °C 50 MPa, 16 h / 300 °C	MPa MPa	37 25
Stress relaxation BS 7531	40 MPa, 16 h / 300 °C	MPa	25
KLINGER cold/hot compression 50 MPa	thickness decrease at 23 °C thickness decrease at 300 °C	% %	10 20
Tightness	DIN 28090-2	mg/s x m	0.02
Specific leakrate λ	VDI 2440	mbar x l/s x m	1.64E-08
Thickness increase after fluid immersion ASTM F 146	Oil IRM 903: 5 h / 150 °C Fuel B: 5 h / 23 °C	% %	3 5
Density		g/cm3	1.6
Average surface resistance	ρO	Ω	1.4x10E12
Average specific volume resistance	ρD	Ω cm	1.2x10E12
Average dielectric strength	ED	kV/mm	21.6
Average power factor	50 Hz	tan δ	0.131
Average dielectric coefficient	50 Hz	εr	9.2
Thermal conductivity	λ	W/mK	0.42
Classification acc. to BS 7531:2006	Grade AY

ASME-Code sealing factors

for gasket thickness 1.0 mm

tightness class 0.1 mg / s x m

MPa

y 15

m 1.2

for gasket thickness 2.0 mm

tightness class 0.1 mg / s x m

MPa

y 15

m 1.6

for gasket thickness 3.0 mm

tightness class 0.1 mg / s x m

MPa

y 15

m 4.0

Dimensions of the standard sheets

Sizes	1000 x 1500 mm, 2000 x 1500 mm
Thicknesses	0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
Tolerances	Thickness acc. to DIN 28091-1 Length ±50 mm, Width ±50 mm

Other thicknesses, sizes and tolerances on request.

Function and durability

The performance and service life of KLINGER gaskets depend to a large extent on proper storage and fitting - factors beyond the manufactor’s control. We can, however, vouch for the excellent quality of our products. With this in mind, please also take note of our installation manual.