HTSW Pneumatic Control Valve
China Pneumatic Control ValveManufacturer Shinjo Supplies HTSW Bellows Seal Globe Pneumatic Control Valve, DN40-DN200, Class 150, 300, 600 LB.HTSW bellows seal single seat control valve is a top guide structure regulating valve, the valve has the advantages of compact structure, fluid channel was streamlined S, the pressure drop, flow is large, wide adjustable range. The valve cover with bellows seal structure, can completely eliminate the possibility of the process medium leakage from the stem clearance, which is one of the significant characteristics of bellows seal valves. As the bellows element itself can be anti aging deformation and outstanding, this valve completely overcomes the packing seal valves are packing aging and sensitive temperature difference. Secondly, using the corrugated pipe -- packing a double seal structure, safety and reliability better, therefore, it is widely used in highly toxic, the automatic control system of strong corrosive, radioactive and other rare special medium. The spool oriented area, good vibration resistance, equipped with multi spring diaphragm actuator, which has the advantages of compact structure, large output force.Main technical parameters and performance:Valve body: Through single seat casting type ball valve.Nominal diameter:40 ~ 200mm.Nominal pressure:ANSI 150, 300, 600.JIS 10, 20, 30, 1.6, 4, 6.4MPa 40K PN.Allowable working pressure:1MPa, 2 MPa, 3.5 MPa.Connection flange type: RF and RJ.According to standard of JIS B2201 ANSI B16.5 JB/T79.1.PN 1.6MPa RF JB/T79.2 concave convex surface.Welding type: weld SW (40 ~ 50mm) butt welding of BW (65 ~ 200mm).Material:HT200,ZG25,ZG1Cr18Ni9, ZG0Cr17Ni12Mo2,1.25Cr0.5Mo,5.0Cr0.5Mo,SCPH21,SCPH61,Ti.The valve cover temperature: -17 ~ +230 ℃.Elongation type Ⅰ (E1): +230 ~ +350 ℃, -45 ℃ to -17 ℃Note: the working temperature must not exceed the allowable range of various materials.The gland type bolt clamp:Filler V PTFE, PTFE impregnated asbestos packing, asbestos braid packing.Valve components:Spool type,oriented single seat plunger type.Flow characteristics of flow characteristics of high capacity, (see Figure 2) the percentage of properties such as (%) and the linear characteristic (L) high accuracy flow characteristics (see Figure 1).The percentage of properties such as (%) and the linear characteristic (L) division Chatterley surfacing quick opening valve (QS)Material 0Cr17Ni12Mo2 and division Chatterley alloy welding.Bellows material 1Cr18Ni9.ActuatorType HA multi spring diaphragm actuatorEthylene propylene rubber clip nylon membraneSpring range 0.02 ~ 0.10 of 0.08 ~ 0.24MPaThe air pressure of 0.14 0.16 0.28 0.40MPaAn air supply joint Rc 1/4Ambient temperature is -30 ~ +70 ℃Note: the valve also can be equipped with VA5 or VA6 actuators.Valve type gas - gas - open or closedAccessory positioner, hand wheel, pneumatic valve position transmitter etc..LeakageMetal seat: meet the standard ANSI B16.104 grade IV, 0.01% less than the rated Cv.PTFE seat: meet the standard ANSI B 16.104 grade VI, less than the rated Cv10-7.Division Chatterley surfacing metal seat: less than the rated Cv 10-7.Back to the difference of 5% (not with a locator (locator) with 3%).Line of ± 11% (not with a locator) + 3% (band locator).Note: V PTFE using standard. The adjustable range of 50: 1Ordering instructions.
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