Advanced design: a fluid flow direction to open the valve action status, stability-oriented structure: spool valve cover, valve seats form the guiding role, high reliability and easy economy: three-way valve replacement two two-way valves, simplify tube road, cost-saving applications: merging and dividing, fins, to adapt to different ways positive effect control requirements, counter-seat structure Q confluence occasion technical parameters action, X shunt flow characteristic linear adjustable range of 30: 1 signal range Pr: 0.2 ~ 1bar , 0.4 ~ 2bar air pressure Ps: 1.4bar ~ 4bar seal level Ⅲ, Ⅳ, Ⅴ, Ⅵ ambient temperature of -30 ℃ ~ + 70 ℃ (Explosion proof See Locator parameters) Performance standards GB / T4213-92 basic error of ± 2.5 % hysteresis 1.5% off the signal valve fully open, fully closed electrical positioning parameters (not considered when user-supplied) Input signal 4 ~ 20mA DC, 0 ~ 10V DC input impedance of 300Ω, 250Ω, subject to the positioner output signal 4 ~ 20mA DC, 0 ~ 10V DC Explosion levels dIIBT4 / T5 / T6, dIICT4 / T5 / T6, intrinsically safe valve parameters Nominal PN16, PN25, PN40, PN64 flange connection, (special: Welding ) Body materials WCB, SS304, SS316, SS316L Spool Material SS, SS304, SS316, SS316L, Stellite surfacing sealing material PTFE, hard seal, a special high-temperature materials Bellows SS, SS304, SS316 Teflon packing, Flexible graphite putter liner rubber asbestos gaskets 2Cr13, 1Cr18Ni9Ti asbestos spiral wound gasket flange standard GB9113-88, JB / T79-94, GB2555-81 fluid temperature of ordinary type -60 ℃ ~ 250 ℃ heat type -60 ℃ ~ 450 ℃ features attachment options E- explosion-proof (explosion-proof electrical Locator grade optional: flameproof, intrinsically safe) X- band signal feedback S- band (electric positioner with feedback or reprovision position transmitter) Hand Q- completely cut-off wheel mechanism Accessories: Electrical locator, air filter regulator, air lock to secure his position valve, solenoid valve safe: no electric for the occasion, there is no external energy risks to save energy: the need for external energy use simplified system of piping, pressure regulator: No external control instruments, the system is simple, low cost simple operation: simply rotate the set to adjust the spring extension of the technical parameters of the operation mode control valve before U, D control valve after the pressure relief function of U or security, D regulator or valve seat structure P single-seat fast opening flow characteristic M sleeve adjustable range of up to 10: 1; min. 10: 8 seal level Ⅱ, Ⅳ, Ⅵ thin film actuator (setpoint ≤6bar), piston (> 6bar) performance standard JB / T regulation accuracy ± 5% solenoid valve www.electricvalve.cn fire way solenoid valve solenoid valve http://www.electricvalve.cn/xiaofangdiancifa/ http: // www.electricvalve.cn/santongdiancifa/ gas solenoid valve http://www.electricvalve.cn/ranqidiancifa/ stainless steel solenoid valve http://www.electricvalve.cn/buxiugangdiancifa/