DOUBLE OFFSET BUTTERFLY VALVE

美國ALSO艾索蝶閥（DOUBLE OFFSET BUTTERFLY VALVE ）

High performance double offset butterfly valve with bi-directional, bubble tight shut off in wafer or lug styles in sizes 3" to 24". Stocked in carbon by stainless and all stainless steel designs. ANSI rated retainer ring for dead end service. The double offset butterfly valve is rated to a full 285PSI working pressure.

Industrial double-offset butterfly valve  systems are of a special construction for storm water runoff.  Standard construction for the valve package.  EPDM seats and stem with available stainless steel disc.  Electric actuation  comes in various power supplies that include 12VDC, 24VDC, 24VAC, 120VAC, 240VAC and various others.  Double D shaft connection for valves 2" - 30" in size allows for easy mounting of handles, gearbox operator or actuators.  Mounting conforms to ISO 5211 for actuation mounting.

DOUBLE ECCENTRIC BUTTERFLY VALVE CONFIGURATION

• Available in lug or wafer style

• Bi-directional; bubble tight shut off

• Carbon steel with stainless steel options

• ANSI rated retainer ring

• Working pressure:  285PSI

• ISO 5211 top work mounting for manual or direct actuation

• Very low maintenance; durable valve

• ANSI B16.34 pressure and temperature rating

• End flange:  ANSI B16.5

• Shell/seat test:  API 598; body: 420PSI, seat hydro: 304PSI and seat air: 87PSI

• Designed with two offsets - first offset between the seat sealing surface and the center line of the valve stem.  The second offset is between the center line of the valve and the center live of the valve port.

The technical data butterfly valve:

The performance of U type butterfly valve

Product Information：
Concentric design of body, stem and disc
Compact structure and light weight
Blow out proof stem
Bi-directional and big CV
Reliable internal and external sealing
high performance-price ratio
Reliable internal and external sealing

Performance data：
Pressure Rating: CLASS150~CLASS900 (PN10~PN160)
Bore Siz: 2〞~96〞（DN50~DN2400）
Working Temperature: -196℃~150℃
Body Material: Cast Iron, Carbon Steel, Stainless Steel, other material optional
Disc Material: Cast Iron, Carbon Steel, Stainless Steel, Aluminium bronze, other material optional
Seat Material: PTFE, EPDM, NBR, Viton, Silicone other material optional
Operating Mode: Manual, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator

Our advantage of producing butterfly valve:

1. Newly developed facilities ensure high and stable quality

2. Enable to supply all kinds of butterfly valve

3. Excellent after-sale service to satisfy our customers

4. Ensure prompt delivery

5. Reasonable and stable price

6. Meet different countries standards