?÷òa??ê?2?êy￡oMain tehnial parameter

1?3??1á| Nominal Pressure (Mpa)	?ü·aê??é Seal test (Mpa)	???èê??é Strength test (Mpa)	1¤×÷???è Working Temperature (??)	êêó????ê Suitable medium	?a1?ê±???é μ÷?? Opening And losing Time an Adjust(s)	?a1????è
						?ì?a Fast open	?y1? Slow Close
1.0	1.1	1.5	?ü80	???￠óí?°???ü ·??ˉê′D?òoì? Water,oil and other Resist-onosion liquid	1.2-60	70???à 5	30???à 5

?÷òa2??t2?á?￡oMain parts material

á??t??3? Parts name	2? á? Material
	????D?èí?ü·aμ?·§ The Double eentric seal butterfly valve	èy??D?ó2?ü·aμ?·§ The tripl eentric flanged metal seal butterfly valve
·§ì??￠μ?°? Body?￠Disc	?ò?yìú?￠?òìú Cast iron?￠ductile Cast iron	ì??? Stainless steel
·§?á Shaft	2?Da?? Stainless steel	2?Da?? Stainless steel
·§ì??ü·aè| Boby sealing ring	?y?àí- Brozne	2?Da?? Stainless steel
μ?°??ü·aè| Disc sealing ring	?????íóí?e?o NBR	2?Da???′o?2?á? Nickeland hromium alloy asting
ì?á? Packing	?????íóí?e?o NBR	èáD?êˉ???￠?????e?o Soft graphite?￠NBr
D1???ê Leakage rate	GB/T13927?aISO5208

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