SPB Pneumatic Triple eccentric butterfly valve, high performance

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China

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Telegraphic Transfer (T/T)

SPB Pneumatic Triple eccentric butterfly valve, high performance, component by GTX-B series Double piston driven angle rack-and pinion pneumatic actuators and valve body. This series of electric triple eccentric butterfly valve is high in electric double eccentric butterfly valve on the basis of the modified products.The unique design can not only make this series butterflyvalve in high temperature and high pressure condition, but also has excellent sealing performance.
SPB Pneumatic Triple eccentric butterfly valve, high performance, compact structure, superior cutting and controling performance and long service life.
Can be widely used in chemical industry, electric power, metallurgy, textile, food, medicine, papermaking, etc.industrial departments and municipal engineering, water process control field,etc, reliably adjusting control for sewage, oil liquid or air, gas, natural gas, steam and various corrosive medium .
Body
Type full bore cast typeConcrete structures please see figure 1
Nominal diameter DN50 DN1200
Pressure GB PN 0.6,1.0,1.6,2.5,4.0DN50DN400,6.3DN50DN200 MPa
ANSI 150,300(DN50DN400)
End connection no flange wafer
Flange GB PN0.66.3Mpa according to HG20596-97MFM
ANSI CLASS150300 according to ANSI B16.5 RFHG/T20615-97
Flange distance wafer according to GB/T12221-1989 EN558:1995ISO5752-1982 basic series 16
Flange according to GB/T12221-1989 EN558:1995ISO5752-1982 basic series 14
Body MaterialPlease refer to table1 for Operated Temp. & Material contrast
Bonnet Typesame with body-45+400
Packing Material: V-type compound packinggraphite compound packing
graphite packing, Operating Temp. is shown in table 2
Body Seal GasketSpiral wound gasket, Graphite with metal gasket, Zigzag gasket, gasket,Specific materials and suitable temperature range
Packing Gland Bolts pressure type
Oil paint: Carbon steel shell surface required to paint, shell made of stainless steel and copper no painting .

Trim
Valve plug: Triple eccentric typePlease see to figure 3
Flow characteristics: Approx equal percentPlease see to figure 6 and table 5
Trim material:Standard material combination and suitable temperature range Rated Travel: Full open 90

Actuator
Type:GTX-B series angle travel pneumatic piston actuator
Material: Die- cast aluminum alloy
Function forms: DA dual function series:
SR Single function series (Spring return)opening and closing gas type
Structural style:double piston gear rack structure (dual function) or double piston Spring return rack-and pinion structureConcrete structures please see figure 4 and figure 35
Air pressure: double action 0.1~1.0Mpa
Single action 0.2~1.0Mpa
Temperature range: -20~+150
Angle adjustable scope:904
Singal interface:1/8GNAMUR1/4GNAMUR1/2G
Dynamic medium: clear dry non-corrosivity air and other gas.
External protection End cover and spring are coated by high strength epoxy resin, cylinder body anodic oxidation treatment after surface sand blast.

Optional accessories
Locator, filter relief-pressure valve, solenoid valve, limit switches,valve position transmitter, handwheel, Quick exhaust valce, Speed control valves, pneumatic by valves, etc

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