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Commodity name:
ZZYP Self-Operated Pressure Regulating Valve
2. Product model of self-operated pressure regulating valve
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category
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model
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category
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model
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Single seat press closed type
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ZZYP-16～64B
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Single seat press closed type
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ZZYP-16～64K
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Double seat press closed type
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ZZYN-16～64B
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Double seat press closed type
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ZZYN-16～64K
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Sleeve press closed type
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ZZYM-16～64B
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Sleeve press closed type
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ZZYM-16～64K
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3. Main technical parameters of self-operated pressure regulating valve
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Nominal diameter DN (mm)
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20
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25
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32
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40
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50
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65
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80
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100
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125
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150
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200
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Valve seat diameter DN (mm)
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10
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12
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15
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20
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Rated flow coefficient Kv
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1.8
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2.4
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4.4
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4
|
11
|
20
|
30
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48
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75
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120
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190
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300
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480
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760
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Allowable pressure difference (MPa)
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2.5
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2.0
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1.6
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1.0
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Nominal pressure (MPa)
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1.6 4.0 6.4
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inherent flow characteristics
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Drive quickly
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Minimum pressure difference P (MPa) to ensure normal operation of the pressure regulating valve
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0.05
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Pressure segment range (KPa)
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15～50 40～80 60～100 80～140 120～80 160～220 200～260 240～300 280～350 330～400 380～450 430～500 480～560 540～620 600～700 680～800 780～900 800～1000 900～2000
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Working temperature℃
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Liquid ≤ 140; gas ≤ 80; with condenser and radiator ≤ 350
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Suitable for medium
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Gas, steam, low viscosity liquid
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Flange size and type
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PN10, 16, 40GB9113-88, PN64JB/T7-94; PN10, 16 convex type, PN40, 64 concave type or other standard flange types according to user requirements (such as: ANSI, JIS, DIN and other standards)
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Structure length
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According to GB12221-89 standard
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Available accessories
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Condenser (used when the medium is steam), heat sink, etc.
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Actuator signal interface
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Internal thread M16×1.5
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4. Notes on the main performance indicators of the self-operated pressure regulating valve
