Address: Wuxing Industrial Zone,Oubei Town,Wenzhou City,China
Tel: 0086-577-67138816
Fax: 0086-577-67138806
E-mail: sara@valvellv.com
Skype: saravalve
Pneumatic Butterfly Valve
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Triple offset Butterfly Valve
Products Range:
Size Rating: 3" ~ 112"(DN80 ~ DN2800)
Pressure Rating: ANSI 150lb ~ 900lb, PN6-PN160
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.
( WCB, LCB, 20GL,LC1,LCC,CF8, CF8M, CF3, CF3M, WC6,WC9,SS 2205 etc)
Disc Sealing:SS+PTFE, SS+Graphite Laminated, Matel to Matel etc
Operation Type: Lever, Gear, Electric, Pneumatic, Hydraulic
Design Features:
Triple eccentric or double eccentric design
Metal to metal seated
Bi-directional service
Frictionless closure
Blow-out proof shaft
Wafer, wafer-lug, double flange ends
ISO top flange
Our triple offset valve, also known in the industry as triple eccentric or triple offset butterfly valve, represents an important step forward compared to traditional process valves, such as gate, ball, globe and plug valves. Although LLV shares the same cone-to-cone principle with a globe valve, sealing is performed by applying quarter turn rotation instead.Three offsets against the symmetrical axes of the pipe/valve eliminate any possibility of rubbing:
Offset 1
The shaft is placed behind the plane of the sealing surface to provide a continuous seat path.
Offset 2
The shaft is placed to one side of the pipe/valve centerline to allow the displacement of the seal from the seat during the 90° opening.
Offset 3
The seat and seal cone centerlines are inclined in respect to the pipe/valve centerline. This third offset completely eliminates rubbing.
If you have any enquiry about quotation or cooperation,please feel free to email us at sara@valvellv.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.