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              Location:PRODUCTS >> Control valve >> Pneumatic bellows control valve
              Pneumatic bellows control valve
              Model: ZJHPW
              Nominal diameter: DN10 ~ 50mm
              Nominal pressure: PN22,32MPa
              Ambient temperature: -30 ~ + 70 ℃
              Main material: forged steel, cast stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti), 316L other
              Suitable medium: corrosive liquid, clean liquid, liquid food
              Drive: aerodynamic
              Design criteria: GB / T17213
              Flange standard: GB / T9113, JB / T79 , HG20594 and other standard
              Inspection standards: GB / T4213
              Form connect: flange (FF RF RTJ), welding (SW BW), thread (for 1 "or less)

              ZJHPW bellows sealed pneumatic single-seat control valve for industrial process automation control system. It can automatically turn on or off when receiving the electric control signal, so as to realize the on-off or flow control of the fluid in the pipeline. This series of solenoid valve can be widely used in the production and R & D departments of textile, printing, chemical, plastics, rubber, pharmaceutical, food, building materials, machinery, electrical appliances, surface treatment and other facilities for people's daily life such as bathrooms, canteens and air conditioners. ZJHPW bellows sealed pneumatic single-seat control valve is mainly used for corrosive liquids, clean liquid and edible liquid medium control.
               

              First, the bellows seal pneumatic single-seat control valve technical parameters

              Working medium

              Corrosive liquid, clean liquid, food liquid 
                     ZBSF-1: ZBSF-1Y for gas: 
                     ZBSF-2 for liquid : ZBSF-2Y for gas: liquid

              Medium temperature ℃

              ZBSF-1 (1Y) ≤60 ℃ ZBSF-2 (2Y) ≤200 ℃

              Working pressure difference Mpa

              0 ~ 1.6

              voltage

              AC220V other specifications for special order

              Service life

              By JB / T7352-94 regulations

              Rated flow coefficient KV

              Leakage ml / min

              According to JB / T7352-94 · F regulations

              Power consumption

              40

              50


               Second, ZJHPW bellows pneumatic single-seat control valve seal Features Description

              ZJHPW bellows sealed pneumatic single-seat control valve, is a top-oriented structure of the control valve, compact body structure, the flow was S-streamline pipeline, pressure loss loss, flow, adjustable wide range. 
               The bonnet seal structure with corrugated pipe can completely eliminate the possibility of leakage of process media from the stem movement gap, which is one of the notable features of the bellows sealed valve. Due to their inherent deformability and outstanding aging resistance, the bellows valve completely overcomes the filler weathering and temperature-sensitivity issues commonly associated with packing valves. Second, the use of double bellows - packing seal structure, better safety and reliability. Therefore, it is widely used in the automatic control system of rare special media such as highly toxic, corrosive, radioactive and so on. Large spool guide area, good vibration resistance, with multi-spring film actuator, its compact structure, the output power.
               

              Three, ZJHPW bellows seal Pneumatic single-seat control valve Type  
               Nominal diameter: 10,15,25,32,40,50 mm 
               Nominal pressure: PN22, 32MPa 
               Flange standard: H12-67 
               Material: forged steel, cast stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti), 316L, etc. 
               Upper bonnet: Normal type: -40 ~ + 230 ℃, Radiator: + 230 ~ + 450 ℃ 
               Gland type: Bolt press type 
               packing: V type PTFE packing, asbestos braided packing, Graphite packing
               

              Fourth, ZJHPW bellows pneumatic single-seat control valve seal assembly

              Single-seat spool-type spool 
               flow characteristics: equal percentage characteristics and linear characteristics of 
               materials: stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 316L), 6YC1, stainless steel surfacing Division Tai Lai alloy
               

              Five, ZJHPW bellows seal pneumatic single seat control valve actuator
               spring range: 20 ~ 100 (standard), 40-200,80-240,20-60,60-100KPa 
               Diaphragm materials: rubber clip nylon cloth, ethylene propylene rubber Clip Nylon cloth 
               Supply pressure: 140 ~ 400KPa 
               Air supply interface: RC1 / 4 " 
               Ambient temperature: -30 ~ +70 ℃
               

              Sixth, bellows seal Pneumatic single-seat control valve installation size

              DN

              L

              H

              D

              D1

              D2

              b

              f

              nd

              10

              115

              153

              90

              60

              41

              14

              3

              4-φ14

              15

              115

              153

              95

              65

              46

              14

              3

              4-φ14

              20

              115

              153

              105

              75

              56

              16

              3

              4-φ14

              25

              125

              153

              115

              85

              65

              16

              3

              4-φ14

              32

              150

              176

              140

              100

              76

              18

              3

              4-φ18

              40

              165

              176

              150

              110

              84

              18

              3

              4-φ18

              50

              190

              192

              165

              125

              99

              20

              3

              4-φ18


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