Temperature: | Ordinary Temperature |
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Certification: | GS |
Media: | Gas, Oil, Water, Acid |
Standard: | Standard |
Connection Mode: | Flange |
Power: | Manual |
Customization: |
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Nominal diameter DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | |
Rated flow coefficient Kvs | 4 | 6.3 | 8 | 16 | 20 | 32 | 50 | 80 | 125 | 160 | 280 | 320 | 400 | |
Nominal pressure MPa | 1.6; 4.0 | |||||||||||||
Large flow at effective pressure (m3/h) | 0.02 MPa | 1.5 | 2.5 | 3.5 | 5.5 | 9.0 | 14 | 22 | 36 | 55 | 70 | 125 | 180 | 250 |
0.05MPa | 2.5 | 3.5 | 5.5 | 9.0 | 12 | 22 | 36 | 55 | 85 | 110 | 180 | - | - | |
Noise measurement factor Z value | 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 | |
Operating temperature ° C | 140 or less | |||||||||||||
Hard seal with isolation tank ≤200 | With isolation tank extension ≤200 |
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Pressure balancing element | Bellows | Rolling diaphragm | ||||||||||||
Flange standard | ANSI, JIS, DIN, GB, JB(available by user) | |||||||||||||
Body material | Cast iron; Cast steel; Cast stainless steel | |||||||||||||
Spool material | Stainless steel, soft seal for stainless steel inlay rubber ring | |||||||||||||
Working pressure | Nominal pressure (note △Pmax and the relationship between working pressure and working temperature) |
Effective area (cm2) | 250 | 630 |
Effective pressure (MPa) | 0.02; 0.05 | |
Allow differential pressure (MPa) between upper and lower membrane chambers | 0.4 | 0.15 |
Material | Film cover: steel galvanized; Diaphragm :EPDM or FKM clip fiber | |
Control lines, joints | Copper or steel pipe |
Control accuracy | ± 5% | |||
Allowable leakage (under specified test conditions) | Soft seal | 4 x 10-4 rated capacity | ||
Hard seal | DN15 to 50 | DN65 ~ 125 | DN150 ~ 250 | |
10 Bubbles /min | 20 bubbles /min | 40 bubbles /min |
Nominal diameter DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | |
Allowable differential pressure △P(MPa) | PN16 | 1.6 | 1.5 | 1.2 | 1.0 | |||||||||
PN40 | 2.0 |
Nominal diameter DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 |
L mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 |
B mm | 121 | 212 | 238 | 238 | 240 | 240 | 275 | 275 | 380 | 380 | 295 | 325 | 372 |
φR mm | 263 | 380 | |||||||||||
H mm | 150 | 520 | |||||||||||
About weight (kg) | 21 | 23 | 24 | 27 | 31 | 36 | 47 | 55 | 74 | 93 | 118 | 178 | 261 |
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