Description
Buy Knife Gate Valve PZ73 Series 1.0/1.6 MPa WCB Flanged Handwheel Operated
The VALVEHU Knife Gate Valve PZ73 Series is a robust and reliable industrial valve designed for handling various media such as slurry, wastewater, pulp, ash, and chemical fluids. Manufactured with precision and built to operate in demanding environments, this manual knife gate valve is engineered for shut-off applications requiring minimal pressure drop and bubble-tight sealing.
With pressure ratings of 1.0 MPa and 1.6 MPa, and maximum working temperatures up to 425°C depending on material configuration, this valve provides dependable performance across industrial systems. Available in WCB carbon steel and stainless steel body options, it is suitable for corrosive and abrasive service. The flanged connection ensures easy installation and maintenance in pipeline networks.
This model features a handwheel-operated design with precision-machined gate and sealing surfaces, ensuring a long cycle life. The rugged construction and material versatility make it an excellent solution for pulp & paper mills, mining, power plants, and chemical processing facilities.
Its compliance with industrial standards and wide range of size availability from DN50 to DN600 enables integration into both new projects and retrofit systems. The valve’s major components, including stem, gate, and seat, are built using corrosion-resistant materials like stainless steel and alloy seal options.
If you are looking for a dependable manual shut-off valve with strong sealing characteristics and extended service life, the PZ73 series is your ideal choice. For customized knife gate valves or any industrial valve requirements, feel free to reach out to VALVEHU experts in China. Our technical team is here to help you select the best solution for your application.
Technical Specifications
- Valve Type: Knife Gate Valve
- Model: PZ73H/Y/X/F/N
- Pressure Rating: 1.0 MPa and 1.6 MPa
- Body Material: WCB or Stainless Steel
- Connection Type: Flanged
- Operation Method: Manual Handwheel
- Media Compatibility: Slurry, wastewater, ash, pulp, chemicals
- Temperature Limit: Up to 425°C
- Sealing Material: Rubber, PTFE, Metal alloy
- Standards: Industrial grade, corrosion and wear-resistant
Main Performance Parameters
| Nominal Pressure (MPa) | Shell Test Pressure (MPa) | Seal Test Pressure (MPa) | Working Temperature (°C) | Applicable Media |
|---|---|---|---|---|
| 1.0 | 1.5 | 1.1 | Rubber ≤ 80°C | Sugar slurry, paper pulp, sewage, coal slurry |
| 1.6 | 2.4 | 1.8 | Hard Seal ≤ 425°C | Sugar slurry, paper pulp, sewage, coal slurry, ash, mixed slurry |
Main Component Materials
| Body & Bonnet | Gate | Stem | Sealing Surface |
|---|---|---|---|
| Stainless Steel, Carbon Steel | Carbon Steel, Stainless Steel | Stainless Steel | Rubber, PTFE, Stainless Steel, Hard Alloy |
Main Dimensions and Connection Sizes(Unit: mm)
| Nominal Pressure (MPa) | Nominal Diameter (DN) | L | D | D1 | D2 | H | N–M | D0 |
|---|---|---|---|---|---|---|---|---|
| 1.0 | 50 | 48 | 160 | 125 | 100 | 285 | 4–M16 | 180 |
| 65 | 48 | 180 | 145 | 120 | 298 | 4–M16 | 180 | |
| 80 | 50 | 195 | 160 | 135 | 315 | 8–M16 | 220 | |
| 100 | 50 | 215 | 180 | 155 | 365 | 8–M16 | 220 | |
| 125 | 52 | 245 | 210 | 185 | 405 | 8–M16 | 230 | |
| 150 | 57 | 280 | 240 | 210 | 475 | 8–M20 | 230 | |
| 200 | 60 | 335 | 295 | 265 | 540 | 8–M20 | 280 | |
| 250 | 70 | 390 | 350 | 320 | 630 | 12–M20 | 360 | |
| 300 | 76 | 440 | 400 | 368 | 780 | 12–M20 | 400 | |
| 350 | 89 | 500 | 460 | 428 | 885 | 16–M20 | 400 | |
| 400 | 98 | 565 | 515 | 482 | 990 | 16–M22 | 400 | |
| 450 | 110 | 615 | 565 | 532 | 1100 | 20–M22 | 530 | |
| 500 | 114 | 670 | 620 | 585 | 1200 | 20–M22 | 530 | |
| 600 | 114 | 780 | 725 | 685 | 1450 | 20–M27 | 600 | |
| 1.6 | 50 | 48 | 160 | 125 | 100 | 285 | 4–M16 | 180 |
| 65 | 48 | 185 | 145 | 120 | 295 | 4–M16 | 180 | |
| 80 | 50 | 200 | 160 | 135 | 315 | 8–M16 | 220 | |
| 100 | 50 | 220 | 180 | 155 | 365 | 8–M16 | 230 | |
| 125 | 52 | 250 | 210 | 185 | 400 | 8–M16 | 230 | |
| 150 | 57 | 285 | 240 | 210 | 475 | 8–M20 | 280 | |
| 200 | 60 | 340 | 295 | 265 | 540 | 12–M20 | 360 | |
| 250 | 70 | 405 | 355 | 320 | 630 | 12–M22 | 360 | |
| 300 | 76 | 460 | 410 | 375 | 780 | 12–M22 | 400 | |
| 350 | 89 | 520 | 470 | 435 | 885 | 16–M22 | 400 | |
| 400 | 98 | 580 | 525 | 485 | 990 | 16–M27 | 400 | |
| 450 | 110 | 640 | 585 | 545 | 1100 | 20–M27 | 530 | |
| 500 | 114 | 715 | 650 | 608 | 1200 | 20–M30 | 530 | |
| 600 | 114 | 840 | 770 | 718 | 1450 | 20–M36 | 600 |
FAQ
What industries typically use knife gate valves?
Knife gate valves are widely used in pulp and paper, wastewater treatment, mining, and chemical industries.
Can this valve handle high-temperature applications?
Yes, depending on materials, the valve can operate up to 425°C in industrial conditions.
What sizes are available for this knife gate valve?
The PZ73 series is available in sizes ranging from DN50 to DN600.
Is the valve suitable for slurry and abrasive media?
Absolutely, its robust design and metal seat options make it ideal for abrasive applications.
What is the difference between PZ73H and PZ73X models?
The letter variation refers to sealing and material configurations tailored to different fluid and temperature requirements.
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