Essential positioning
A flange connected solenoid valve specifically designed for DN50 and above diameter pipelines, which remotely controls the on/off of large-diameter liquid/gas media (water, steam, compressed air, etc.) through electrical signals.
Core structural characteristics
Flange connection: Standard flange plates (such as ANSI/DIN) are installed at both ends of the valve body, and the pipeline is rigidly fixed with bolts to adapt to high-pressure conditions (10-40 bar) and prevent vibration and leakage.
Large caliber design: with a diameter of ≥ DN50 (maximum DN300), it meets the needs of high flow transportation (such as main pipeline control).
Dual use of liquid and gas: The valve core is made of stainless steel/corrosion-resistant alloy, and the sealing element is compatible with NBR/PTFE material, compatible with liquids (water, oil) and gases (steam, gas).
Core driving principle
Adopting a pilot piston structure: After the electromagnetic coil is energized, the main valve core is driven by the pressure of the medium itself, achieving low power consumption (15-30W) and fast opening and closing (≤ 1 second).







Part Name | valve body | valve cover | float ball | Leverage frame | lever | Stuffed head |
material | ductile cast iron | ductile cast iron | stainless steel | stainless steel | aluminum bronze | aluminum bronze |

Model | Overall dimensions | Flange size | ||||||
H | L | D | D1 | D2 | n-d | b | f | |
ZCS-25F | 130 | 140 | 115 | 85 | 65 | Φ4-14 | 16 | 3 |
ZCS-32F | 137 | 155 | 140 | 100 | 76 | φ4-18 | 18 | 3 |
ZCS-40F | 152 | 155 | 150 | 110 | 84 | Φ4-18 | 18 | 3 |
ZCS-50F | 152 | 175 | 165 | 125 | 99 | Φ4-18 | 20 | 3 |
ZCS-65F | 222 | 265 | 185 | 145 | 118 | φ4-18 | 20 | 3 |
ZCS-80F | 139 | 285 | 200 | 160 | 132 | φ8-18 | 20 | 3 |
ZCS-100F | 255 | 325 | 220 | 180 | 156 | φ8-18 | 22 | 3 |
ZCS-125F | 416 | 365 | 250 | 210 | 184 | Φ8-18 | 22 | 3 |
ZCS-150F | 440 | 405 | 285 | 240 | 211 | Φ8-22 | 24 | 3 |
ZCS-200F | 443 | 460 | 340 | 295 | 266 | Φ8-22 | 24 | 3 |
ZCS-250F | 493 | 520 | 395 | 350 | 319 | φ12-22 | 26 | 3 |
ZCS-300F | 549 | 575 | 445 | 400 | 370 | φ12-22 | 26 | 4 |
Note: The above data is for reference only. For details, please consult the company's sales department.
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