Pneumatic Through-Way Ball Valve
SPO Pneumatic through way ball valve is composed of GTX-B series pneumatic rack and pinion actuators and ball valve body assembly.The ball valves are offered in two basic structures,floating ball(below DN200) and trunnion mounted ball(above DN250).Special elastic lip seal structure not only ensure sealing is reliable, but also has good self-cleaning effect for viscosity medium when it coordinates with cylindrical flow path, especially has shearing and block-risistant functions to the fluids with fiber.
Full-port design , small fluid pressure loss and different metal and nonmetal combinations can guarantee reliably conveying and cutting while it being used under -29℃～450℃ working temperature.
SPO Pneumatic through-way ball valve is characterized by compact structure, effective handle , smooth operation and long lifetime. It can be widely used in petroleum, chemical, metallurgy, electric power, paper and sewage treatment etc industrial areas.
Standard Specifications
Body
Type : Two split through way cast ball valve ( as shown in figure 1 and figure 2)
Nominal diameter : DN15,20,25,32,40,50,65,80,100,125,150,200,250,300
Nominal Pressure : GB PN1.6, 2.5,4.0,6.3Mpa
ANSI CLASS150, 300
End connection: Flange
GB PN1.6, 2.5, 4.0,6.3Mpa according to HG20596-97M,FM
ANSI CLASS150,300 according to ANSI B16.5 RF and HG/T20615-97
Face to Face Dimension: PN1.6MPa according to GB/T12221-1989,EN558.1:1995,ISO5752-1982 basic series 12
PN2.5,4.0MPa according to GB/T12221-1989,EN558.1:1995,ISO5752-1982 basic series 4
PN6.3MPa according to GB/T12221-1989, EN558.1:1995, ISO5752-1982 basic series 5
CLASS150 RF according to ASME B 16.10 CLASS150 STEEL FLANGED basic series 18, EN558.2:1995 and ISO5752-1982 basic series 3(DN15-100) and basic series 12(DN125-300)
CLASS300RFaccording to ASME B 16.10 CLASS300 STEEL FLANGED basic series 7, EN558.2:1995 and ISO5752-1982 basic series 4
Body Material: Please refer to table1
Bonnet Type: Together with body
Packing Material: V-type compound packing, graphite compound packing,
graphite packing, Operating Temp.(as shown in table 2)
Seal Gasket: Spiral wound gasket, Graphite with metal gasket, Zigzag gasket, lat gasket.
Specific materials and operated temp. range as shown in table 3.
Packing Gland: Bolts impacted
Paint: Carbon steel shell surface required to paint, stainless steel or copper surface without paint .
Trim
Ball Type: Through-way full port ball (floating structure for DN15 to DN200, trunnion mounted structure for DN250 to DN300)
Flow Characteristics: Quickly opening
Trim Material: STD material assembly and operated Temp. shown in table 4
Rotary Angle: 90°
Actuator
Type: GTX-B series pneumatic rack and pinion actuators
Material: Cylinder body ,Extruded aluminum alloy
Caps and Piston,Die- cast aluminum alloy
Action: DA double acting
SR spring return,air to open or air to close
Structure: Double piston Double air-chamber rack and pinion(DA) , please refer to figure 4
Double piston Spring return rack-and pinion (SR),please refer to figure4 and figure 3.
Air Supply: DA 0.1~1.0Mpa
SR 0.2~1.0Mpa
Working Temperature: -20℃~+150℃
Angle Rotation Adjustable Scope:90°±4°
Signal Interface:1/8’G, NAMUR1/4’G, NAMUR1/2’G
Dynamic Medium: clear ,dry ,non-corrosive air or the other gas.
Surface Protection: Caps and springs ,Powder epoxy painted
Cylinder body, anodic oxidation treatment after sand blast.
Standard Configuration with Valve: please refer to table 5
Accessory
Positioner,Filter-regulator valve,Solenoid valve,Limit switch,
Valve position Transmitter,Handwheel,Booster relay,Air control valve,Pnumatic lock-valve,etc.
Performance
Travel time:please refer to table 5
Seat leakage: Metal seal according to ANSI B16.104 ClassⅣ,ClassⅤ,soft seal according to ANSI B16.104 Class VI
Rated Cv: As shown in table 5
Allowable pressure differential: As shown in table 6.1~6.4
Figure Size: Please refer to figure 5, table 7.1,7.2
Weight of product: Please refer to table 7.1,7.2
Special requests
Produced according to the requirements of customers, details as follows:
○Special inspection
Flow characteristic test，material test，low temperature test，steam test，non-damages test
○copper-free treatment
○completely oil-free,water-free treatment
○appointed coating
○special air piping and fitting
○dust and sand proof
○strong corrosion proof
○vacuum service
○stainless steel bolt and nut for exposed parts
○cold area proof
○tropical area proof
○Machining back of flange back
○With Sewage bolt
○Double packing
○Steam jacket
Send product request
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