Technical Information: Pressure reductions

Pressure reductions - temperature dependant

Any usage beyond the permissible operating temperatures result in accordingly reduced pressure ratings.

The reduction of the pressure ratings depends on the material and the temperature.
The material of the fitting and the seal must be selected according to the operating temperature.

Fitting- Material	Temperature [° C]
Fitting- Material	-60	-40	-35	-25	+20	+50	+100	+120	+150	+175	+200	+250	+300	+400
Steel fitting		0%							11%	19%		28%
Steel tube		0%							19%			27%
Stainless Steel Fitting	0%							11%			20%		30%
Stainless Steel Tubes	0%					5.5%	11.5%	21.5%				29%		34%
Brass Fitting	35%
Seal Material NBR
Seal Material FKM
Seal Material EPDM¹

	Permissible operating temperature
	Permissible ambient temperature
	Temperature not permissible

¹ EPDM is not compatible with oil and it is not a standard product

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