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ZZYP-16C self operated pressure regulating valve self operated steam pressure reducing valve DN20

Widely used in gas, liquid and medium pressure regulation or automatic control of pressure relief and voltage stabilization.

price:USD$1650.00
discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 1155.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Product features
Product introduction: ZZY self operated pressure regulating valve does not need additional energy, and uses the energy of the adjusted medium as the power source to introduce the actuator to control the position of the spool, change the pressure difference and flow at the two ends, and stabilize the pressure before or after the valve. It has many advantages, such as sensitive action, good sealing, small pressure setting point wave power and so on. It is widely used in gas, liquid and steam medium pressure reduction, pressure regulation or automatic control of pressure relief and voltage stabilization.
This series of products have single seat (ZZYP), sleeve (ZZYM), double (ZZYN), three kinds of structure; actuator has film type, piston type two; action type has reduced pressure valve after pressure adjustment (B type) and relief valve before valve pressure regulation (K type). Nominal grade products are PN16, 40, 64; body diameter range of DN20 ~ 300; leakage levels are II grade, IV grade and VI grade three; quick opening flow characteristics; pressure regulation from 15 to 2500Kpa. Can be assembled according to the requirements to meet the user's working conditions.

Product features
The self operated pressure regulating valve does not need additional energy, and can work in the place without electricity and gas, which is convenient and saves energy.
The pressure section range is fine and cross each other, and the adjustment precision is high.
The pressure setting value can be set continuously during operation.
Adjustment of the valve after the pressure valve before the pressure valve after the pressure ratio and 10:1 ~ 10:8.
Rubber diaphragm type detection, the implementation of high precision measurement, sensitive action.
The pressure regulating mechanism is adopted to make the regulating valve sensitive and accurate.

Material of main parts
Valve body: ZG230-450, ZG1Cr18Ni9Ti, ZGCr18Ni12Mo2Ti
Spool: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
Valve seat: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
Stem: 1Cr18Ni9Ti, Cr18Ni12Mo2Ti
Cover: A3, A3 coated stainless steel PTFE
Packing: NBR, Bing, ethylene fluoride, oil resistant rubber
Product parameter specification

Main technical parameters and performance indexes

Nominal diameter DN (mm)20253240506580100125150200250300
Rated flow coefficient (KV)7112030487512019030048076011001750
Rated travel (mm)81014202540506070
Nominal pressure PN (Mpa)1.6、4.0、6.4
Pressure regulation range (MPa)15~50 40~80 60~100 80~140 120~180 160~220 200~260
240~300 280~350 330~400 380~450 430~500 480~560 540~620
600~700 680~800 780~900 880~1000 980~1500 1000~2500
Flow characteristics (DEG)Quick opening
Adjustment accuracy (%)±5
Service temperature (DEG)≤350
Allowable leakageHard seal (1/h)Single seat: less than 10 - 4 valve rated capacity (IV); two seater, sleeve: less than 5 x 10 - 3 valve rated capacity (II)
Soft sealing (m1/h)0.150.300.450.600.901.74.06.7511.1016.0
Decompression ratioMaximum10
Minimum1.25