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          Special high-voltage operated valve dual phase steel

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          所屬類別:Self-regulating valve

          Dual phase steel special high-voltage operated valve seat (ZZYP), sleeve (ZZYM), double (ZZYN), three kinds of structure; actuator diaphragm, piston type two; type of action with pressure relief valve pressure regulator (B) and pressure relief valve before the pressure regulator (K). Nominal grade products are PN16, 40, 64; body diameter range of DN20 ~ 300; leakage levels are II, IV grade and VI grade 3 flow characteristics; for quick opening pressure regulation; from 15 to 2500Kpa. According to meet user needs combination condition.
          Product features:
          ◇ self pressure regulating valve without any external energy, can in no electricity and no gas in the place of work, both for the convenience and save energy.
          ◇ pressure range and cross section thin, high accuracy of regulation.
          ◇ pressure set value during operation can be continuous set.
          Regulation of the pressure after the valve, the valve before the pressure and valve after the pressure ratio of 10:1 to 10:8.
          ◇ rubber diaphragm actuator detection, high measurement accuracy, sensitive action.
          Adopt the pressure balance mechanism, so that the valve is sensitive, accurate control.
          Materials of main parts:
          Body: ZG230-450, ZG1Cr18Ni9Ti, ZGCr18Ni12Mo2Ti
          ◇ spool: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
          ◇ seat: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
          ◇ stem: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
          ◇ film cover: A3, A3 steel coated with Teflon stainless steel
          ◇ packing: Ding Jing, Yi Bing, fluorine, oil resistant rubber
          Connection standard:
          ◇ flange standards: casting method according to BG9113-88, JB/79-94
          ◇ flange seal type: PN16 convex
          ◇ PN40, 64, the body is concave convex
          ◇ structure according to the length of BG12221-98
          ◇ actuator signal interface: internal thread M16 * 1.5

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