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The determinant of choosing the gaskets

Temperature, pressure and the causticity of the material The maintenance of the working environment The requirement of environment Cost

The material of gaskets	yongdu	The maximal temperature (degF)	The maximal pressure(psi)	The maximal temperature * The maximal pressure(degF * PSI)	The maximal temperature (degC)	The maximal pressure (bar)	The maximal temperature * The maximal pressure(degC * bar)
Artificial rubbe	water,air	250	60	15 000	121	4	496
vegetable fibre	Oil	250	160	40 000	121	11	1 322
Artificial rubber (filled with fabric)	water��air	250	500	125 000	121	34	4 130
PTFE	Chemistry Industrial	500	300	150 000	260	20	5 320
Compress asbestus *	Most working environment	750	333	250 000	399	23	9 068
carbon steel	The liquid in the high pressure	750	2 133	1 600 000	399	145	58 036
stainless steel	The liquid with causticity in the high pressure	1200	2 500	3 000 000	649	171	110 636
enlace
stainless steel /PTFE	Chemistry Industrial	500	500	250 000	260	34	8 866
carbon steel/asbestuss *	Most working environment	750	333	250 000	399	23	9 068
stainless steel /asbestus *	causticity	1200	208	250 000	649	14	9 220
stainless steel /ceramic	Hot-gas	1900	132	250 000	1038	9	9 313

As for the reason of the environment, the asbestos is forbidden in several areas, unless the customers have the requirement for asbestos, or we will not recommend asbestos to the customers.

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