Description
Buy Industrial Gate Valve Z41F/Z541F PN0.6 & PN1.0 Cast Steel Flange Operated
The Z41/Z541 cast steel gate valve by VALVEHU is a robust and cost-effective solution designed for industrial shut-off applications in low-pressure systems. With its rising stem mechanism, flanged connection, and compatibility with both manual and electric actuation, this valve delivers reliable tight sealing and long service life in chemical, water treatment, and general industrial pipelines.
This valve features a full-bore straight-through design, minimizing flow resistance and pressure drop. It is constructed from WCB (carbon steel), which offers excellent mechanical strength and thermal resistance. The gate valve is available in pressure classes PN0.6 MPa and PN1.0 MPa, allowing users to adapt it to varying system needs. Dimensions and standards comply with GB/T specifications and the valve includes double flange ends for easy installation and secure sealing.
The Z41F model supports manual operation via handwheel, while the Z541F variant allows electric actuator mounting for remote and automated control. The rising stem design provides visual position indication and is suitable for above-ground installations.
VALVEHU has engineered this valve to offer superior performance in on-off control of corrosive and non-corrosive fluids. The internal components are precision-machined for smooth operation, and sizes range from DN15 to DN500, covering a broad range of industrial requirements.
If you are looking for a reliable shut-off valve with strong mechanical structure and verified sealing performance, this cast steel gate valve offers an ideal balance of quality and affordability. For expert advice and tailored selection for your project, contact the VALVEHU engineering team in China today.
Technical Specifications
- Valve Type: Gate Valve (Rising Stem)
- Model: Z41F (Manual), Z541F (Electric Actuator Compatible)
- Pressure Rating: PN0.6 MPa / PN1.0 MPa
- Body Material: WCB (Cast Carbon Steel)
- Connection Type: Flanged Ends
- Size Range: DN15 to DN500
- Stem Type: Rising Stem for visual position indication
- Operation: Handwheel or electric actuator (depending on model)
- Standard Compliance: GB/T standards for design and face-to-face dimensions
- Application: Water, chemical, low-pressure industrial flow shut-off
Main Connection Dimensions – Z41/Z541 Cast Steel Gate Valve (Standards: GB/T compliant | Units: mm | Pressure Ratings: PN0.6 MPa & PN1.0 MPa)
| DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | Z–Φd | D0 | H1 | H2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 140 | 80 | 55 | 40 | 2 | 12 | 4–Φ12 | 100 | 100 | 120 | |
| 20 | 152 | 90 | 65 | 50 | 2 | 14 | 4–Φ12 | 100 | 120 | 140 | |
| 25 | 1 | 165 | 100 | 75 | 60 | 2 | 14 | 4–Φ12 | 120 | 130 | 150 |
| 32 | 1 1/4 | 178 | 120 | 90 | 70 | 2 | 16 | 4–Φ14 | 120 | 156 | 185 |
| 40 | 1 1/2 | 240 | 130 | 100 | 80 | 3 | 16 | 4–Φ14 | 160 | 165 | 205 |
| 50 | 2 | 250 | 140 | 110 | 90 | 3 | 16 | 4–Φ14 | 160 | 350 | 400 |
| 65 | 2 1/2 | 270 | 160 | 130 | 110 | 3 | 16 | 4–Φ14 | 180 | 370 | 435 |
| 80 | 3 | 280 | 185 | 150 | 125 | 3 | 18 | 4–Φ18 | 180 | 430 | 510 |
| 100 | 4 | 300 | 205 | 170 | 145 | 3 | 18 | 4–Φ18 | 220 | 495 | 595 |
| 125 | 5 | 325 | 235 | 200 | 175 | 3 | 20 | 8–Φ18 | 220 | 610 | 735 |
| 150 | 6 | 350 | 260 | 225 | 200 | 3 | 20 | 8–Φ18 | 240 | 670 | 820 |
| 200 | 8 | 400 | 315 | 280 | 255 | 3 | 22 | 8–Φ18 | 240 | 815 | 1015 |
| 250 | 10 | 450 | 370 | 335 | 310 | 3 | 24 | 12–Φ18 | 240 | 965 | 1215 |
| 300 | 12 | 500 | 435 | 395 | 362 | 4 | 24 | 12–Φ23 | 280 | 1140 | 1440 |
| 350 | 14 | 550 | 485 | 445 | 412 | 4 | 28 | 16–Φ23 | 320 | 1275 | 1625 |
| 400 | 16 | 600 | 535 | 495 | 462 | 4 | 28 | 16–Φ23 | 320 | 1445 | 1845 |
| 450 | 18 | 650 | 590 | 550 | 518 | 4 | 28 | 16–Φ23 | 320 | 1530 | 1980 |
| 500 | 20 | 700 | 640 | 600 | 568 | 4 | 30 | 16–Φ23 | 360 | 1725 | 2225 |
| DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | Z–Φd | D0 | H1 | H2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 140 | 95 | 65 | 45 | 2 | 14 | 4–Φ14 | 100 | 110 | 125 |
| 20 | 3/4 | 152 | 105 | 75 | 55 | 2 | 16 | 4–Φ14 | 100 | 120 | 140 |
| 25 | 1 | 165 | 115 | 85 | 65 | 2 | 16 | 4–Φ14 | 120 | 132 | 155 |
| 32 | 1 1/4 | 178 | 135 | 100 | 78 | 2 | 18 | 4–Φ18 | 120 | 156 | 185 |
| 40 | 1 1/2 | 240 | 145 | 110 | 85 | 3 | 18 | 4–Φ18 | 160 | 167 | 210 |
| 50 | 2 | 250 | 160 | 125 | 100 | 3 | 20 | 4–Φ18 | 160 | 358 | 410 |
| 65 | 2 1/2 | 270 | 180 | 145 | 120 | 3 | 22 | 4–Φ18 | 180 | 375 | 440 |
| 80 | 3 | 280 | 195 | 160 | 135 | 3 | 22 | 4/8–Φ18 | 180 | 435 | 515 |
| 100 | 4 | 300 | 215 | 180 | 155 | 3 | 22 | 8–Φ18 | 220 | 500 | 600 |
| 125 | 5 | 325 | 245 | 210 | 185 | 3 | 24 | 8–Φ18 | 220 | 615 | 740 |
| 150 | 6 | 350 | 280 | 240 | 210 | 3 | 24 | 8–Φ23 | 240 | 675 | 825 |
| 200 | 8 | 400 | 335 | 295 | 265 | 3 | 26 | 8–Φ23 | 280 | 820 | 1020 |
| 250 | 10 | 450 | 390 | 350 | 320 | 3 | 28 | 12–Φ23 | 320 | 970 | 1220 |
| 300 | 12 | 500 | 440 | 400 | 368 | 4 | 28 | 12–Φ23 | 320 | 1145 | 1445 |
| 350 | 14 | 550 | 500 | 460 | 428 | 4 | 30 | 16–Φ23 | 360 | 1280 | 1630 |
| 400 | 16 | 600 | 565 | 515 | 482 | 4 | 32 | 16–Φ25 | 400 | 1450 | 1850 |
| 450 | 18 | 650 | 615 | 565 | 532 | 4 | 32 | 20–Φ25 | 500 | 1538 | 1988 |
| 500 | 20 | 700 | 670 | 620 | 585 | 4 | 34 | 20–Φ25 | 500 | 1730 | 2230 |
FAQ
What is the difference between Z41F and Z541F models?
Z41F is operated manually via handwheel, while Z541F supports electric actuators for automated control.
Is this valve suitable for corrosive media?
Yes, but it depends on the internal trim and sealing. For harsh corrosives, consider upgrading material or lining.
Can I use this valve in vertical pipelines?
Yes, gate valves can be installed vertically if the flow direction and stem orientation are considered.
What pressure ranges are available for this model?
This valve supports both PN0.6 MPa and PN1.0 MPa pressure ratings.
Does the rising stem provide any functional benefit?
Yes, it offers clear visual indication of valve position and is easier to maintain and operate in manual applications.
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