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當(dāng)前位置：首頁 >> >>V-type eccentric rotary valveZSHV V type pneumatic ball valve is a core seat with metal, rotating ball valve or metal to PTFE seal fit, it will be the best control characteristics of ball and butterfly valves are combined into a whole, can be used as a control valve, and also can be used as a cut-off valve.
Suitable for high viscosity, suspension, unclean paper pulp, fiber containing medium. Using direct connection is connected with the actuating mechanism, has the advantages of compact structure, small size, light weight, small resistance, stable and reliable. Actuator configured according to user requirements of UNIC, PSQ, HQ, DHL and other types of electronic electric actuator or GTX, AL and other gas actuator Pneumatic piston.
ZSHV V type pneumatic control valve performance:
| Nominal diameter of ND（mm）253240506580100125150200250300350400The rated flow coefficient Cv324378901602503606101120185029503700719511466Nominal pressure PN (MPa)1.6、2.5、4.0、6.4Flow characteristicsApproximate equal percentage (see the typical curve graph), linear characteristicThe valve plate angle (degrees)0°～至90°(adjustable)Allowable leakage levels: Soft seal zero leakage: Seal: ≤ rated Cv * 0.001%Soft sealing: level, microbubble VI metal seal: ≤ rated CV×0.065%Movement time (S)0.51.02.5～4.07.010Adjustable ratio250:1300:1ZSHV V type pneumatic ball valve technology parametersNominal diameter of DN (mm)25～400Nominal pressure PN(MPa)1.6～6.4Nominal pressure Ps (MPa)strength test2.4～9.6Seal test 1.76～7.0Material \\ codeCPRThe main partsThe valve bodyWCBZG1Cr18Ni9TiZGOCr18Ni12Mo2TiThe club2Cr13ZG1Cr18Ni9TiZG0Cr18Ni12Mo2TiThe valve stem2Cr131Cr18Ni9Ti0Cr18Ni12Mo2TiSealing ringPTFE, stainless steel, hard alloyFillerPTFE, flexible graphiteApplication conditionsApplicable mediumWater, steam, oilNitric acidAcetic acidSuitable temperature-28～425℃-28～500℃ActuatorModelGT series, AW series, SW series, BAW series, BRAY seriesAir pressure 0.4～0.7MPaConnection formOn the clip, flange, flange according to JB79-59 standardThe basic errorThe return differenceThe dead zoneInput signalAir interfaceElectrical signalsPneumatic signalThe whole trip.≤±2%The whole trip.≤±2%The whole trip.≤0.8%4～20mADC20～100KpaG1/8" G1/4"ZSHV V type pneumatic ball valve the maximum allowable pressure:Executing agency statusPN1.6,2.5,4.0,6.4/ANSI Class 150#, 300#/JIS10K,20K,30KPacking: PTFE asbestos2540506580100125150200250300GT65Close4.991.13 △P0.740.31 GT80Close4.994.994.992.801.33 △P1.720.830.530.300.16 GT90Close 4.994.992.802.62 △P 1.331.330.490.28 GT100Close 4.521.56 △P 0.480.16 GT125Close 4.524.502.311.43 △P 0.820.450.250.19 GT160Close 4.504.973.32 △P 0.810.520.401.13 AW17Close 4.953.210.132.741.91△P 0.900.693.710.420.31AW20Close 0.703.232.51△P 0.700.540.40 |
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