Renewable Seat Flanged Triple Offset Butterfly ValveDelivery term:The date of payment from buyers deliver within days
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ZFV renewable seat flanged triple offset butterfly valve. Valve shown in photo is PN16, DN1200, which is bi-directional sealing flaoting seat triple eccentric butterfly valve.
Bi-directional seal triple eccentric butterfly valve, is a new product designed in recent years as per the development needs of the using situation, no matter media come from which direction, bi-directional seal triple eccentric butterfly valve sealed butterfly valve can be sealed, comparing ordinary butterfly valve, which can only withstand uni direction of medium pressure, but when the media reverse flow, the butterfly valve will leak.
Now time many manufacturers produce bi-directional seal butterfly valve by same contruct design as normal uni directional seal butterfly valve, only thicker the stem diameter and increase the seal ring thickness, although this construct can be sealed, but only limited to small diameter valve, with small flow in pipeline; when the valve diameter is larger than DN300 , the bi-directional sealing performance is not stable.
ZFVALVE bi-directional sealing flaoting seat triple eccentric butterfly valve, use floating replaceable valve seat design, no matter media come from which direction, the valve seat can be self-adjustment due to the existence of floating space, so as to achieve the purpose of good sealing.
Now ZFV can produce valve PN6-25, DN80-1600, flange type, butt welding bi-direction sealed butterfly valve, positive and negative directional seal 1: 1 zero leakage.
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