ZZWP self-operated temperature control valve Overview: ZZW type Self-temperature regulating valve without external energy sources, energy use is adjusted to achieve the medium itself thermostat actuator products, nominal PN16,40,64; temperature adjustment range from 0 ~ 270 ° C; temperature controller connector for G1 "male thread; Flange Standard: PN16,40 by GB9113-88; PN64 by JB79.2-94, PN16 convex flange; PN40,65 concave flange, valve body concave main parts material body ZG230-45 ZG1Cr18Ni9Ti seat ZG1Cr18Ni12Mo2Ti Cr18Ni12Mo2Ti 1Cr18Ni9Ti Cr18Ni12Mo2Ti bellows valve sleeve 1Cr18Ni9Ti Cr18Ni12Mo2Ti balanced bellows bulb H62 1Cr18Ni9Ti 1Cr18Ni9Ti capillary H62 1Cr18Ni9Ti joint 35 1Cr18Ni9Ti main technical parameters and performance indicators nominal diameter DN (mm ) 13 20 25 3,240,506,580,100,125,150 200 250 Nominal pressure PN (Mpa) 1.6 4.0 Rated flow coefficient (KV) single-base 5 7 1,120,304,875,120,190,300 480 760 1100 two-seater 1222335353 1,322,093,305,288,361,210 sleeve 11 20 30 4,875,120,190,300,480,760 1100 rated travel (mm) 6 8 10 14 20 35 Maximum allowable pressure (Mpa) 1.6 1.5 0.5 Temperature adjustment range (℃) 0 ~ 70, 50 ~ 120,100 ~ 170,150 ~ 220,200 ~ 270 regulation accuracy (%) ± 5 allows the overload value (℃) were above the upper limit of the temperature adjustment range plus 50 ambient temperature (℃) -40 ~ + 80 installation fittings (M) G1 "capillary length (M) 3,5 allowable leakage hard seal (1 / h) two-seater, the sleeve: 5 × 10-3 × valve rated capacity (II level) single seat: 10-4 × valve Please specify the following when the rated capacity (IV) soft seal (m1 / min) 0.15 0.15 0.15 0.30 0.30 0.45 0.60 0.90 1.70 4.0 4.0 6.75 11.10 Ordering www-yjksd-com Inquiry and Order: ● If you have not selected models, please provide us with the use of technical parameters: 1, DN, CV values ??of 2, fluid properties: nominal pressure, temperature, viscosity or pH 3, connection type and size 4, valve and valve components materials, whether require hardening 5, the valve cover types 6, valve and valve characteristic 7, execution form institutions, whether with hand wheel, gas pressure 8, positive and negative effects (open air or air-to-close) 9, with or without attachment, annex models, so that we can correct for your selection 10, special requirements (to oil, copper and PTFE etc.) 11, the media name 12, the normal flow and maximum flow 13, media pressure, the valve is fully open and fully closed The valve inlet and outlet pressure 14, the temperature and specific gravity of the fluid medium 15, the viscosity of the fluid medium, whether it contains a suspension www-yjksd-com