Certification: | ISO, CE |
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Temperature: | High Temperature |
Connection: | Flange |
Valve Seat: | Single-Seat |
Structure: | Spring Diaphragm |
Material: | Cast Steel,Stainless Steel |
Customization: |
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Brief Introduction.
V230/V231 pressure regulating valve is a self-operating pressure regulating valve,there is no need for any external power source, it can use the medium's flow force to realize the function of pressure regulating automatically,is widely used in many industrial sectors like petrochemistry,metallurgy and light indutries,besides,in the civil field,city heating systems can also use this product for regulating pipe pressure.
Field of Application.
Product Name:V230/V231 Self Operated Pressure Regulating Valve.Material of Main Component.
Body | WCB | 304 | 316 |
Plug,Seat | 304 | 304 | 316 |
Stem | 304 | 304 | 316L |
Membrane | EPDM,FKM | ||
Packing | PTFE,Graphite | ||
Spring | 60Si2Mn |
DN | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 |
L | 185 | 200 | 205 | 222 | 254 | 276 | 298 | 352 | 410 | 451 | 600 | 670 |
H | 615 | 645 | 650 | 710 | 730 | 745 | 760 | 800 | 890 | 960 | 1050 | |
H1 | 52.5 | 57.5 | 67.5 | 72.5 | 80 | 90 | 97.5 | 107.5 | 122.5 | 140 | 167.5 | 225 |
Main Technical Parameters and Indexes of Performance.
Nominal Diameter | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | ||||||||||||||
Kv | 3.2 | 5 | 8 | 12.5 | 20 | 32 | 50 | 80 | 125 | 160 | 320 | 450 | 630 | ||||||||||||||
Z(noise) | 0.6 | 0.6 | 0.6 | 0.55 | 0.55 | 0.5 | 0.5 | 0.45 | 0.4 | 0.35 | 0.3 | 0.2 | 0.2 | ||||||||||||||
PN 16 ΔPmax(Mpa) | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.2 | 1.0 | 1.0 | ||||||||||||||
PN 40 ΔPmax(Mpa) | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 1.5 | 1.5 | 1.2 | 1.0 | 1.0 | ||||||||||||||
Regulating Precision | ±8% | ||||||||||||||||||||||||||
Maximum Temperature | V230 V231 |
Liquid≤ 140,Gas≤ 80. | |||||||||||||||||||||||||
V230 | With Isolation Tank≤200 | ≤300 | |||||||||||||||||||||||||
With Isolation Tank and Radiator≤350 | |||||||||||||||||||||||||||
Allowable Leakage | V230 | 4 x 10 -4 x Rated Value | |||||||||||||||||||||||||
V231 | 10 bubble/min | 20 bubble/min | 40 bubble/min | ||||||||||||||||||||||||
Pressure Balance Element | Bellows | Roll Memberance |
Effective Area(cm2) | 32 | 80 | 250 | 630 | 32 | 80 | 250 | 630 |
Pressure Regulating Range(Mpa) | DA3 | DA4 | ||||||
0.8~1.6 | 0.1~0.6 | 0.015~0.15 | 0.005~0.035 | 1.0~1.6 | 0.1~1.6 | 0.015~0.12 | 0.005~0.035 | |
0.3~1.2 | 0.05~0.3 | 0.01~0.07 | 0.05~0.25 | 0.05~0.25 | 0.01~0.06 | |||
Minimum Pressure Differential(Mpa) | ≥0.05 | ≥0.04 | ≥0.01 | ≥0.005 | ≥0.05 | ≥0.04 | ≥0.01 | ≥0.005 |
Maximum Pressure Differential(Mpa) | 2.0 | 1.25 | 0.4 | 0.15 | 2.0 | 1.25 | 0.4 | 0.15 |
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