Válvula de puerta de cuchillo manual de hierro fundido - DN200

Key Features

· Material: High-strength cast iron body with stainless steel (SS304/SS316) blade for superior wear and corrosion resistance.

· Size: DN200 (8") – compliant with ISO 6708 and ASME B16.10 standards.

· Pressure Rating: PN10/PN16, optimized for low-to-medium pressure systems.

· Sealing System: Resilient EPDM/NBR seals or optional metal-reinforced seals for tight shut-off in harsh conditions.

· Operation: Manual handwheel or lever actuator for easy, low-torque operation; non-rising stem design saves vertical space.

· Connection Type: Flanged ends (EN 1092-2, ASME B16.5, or customized to requirements).

· Blade Design: Ultra-thin, sharp-edged blade cuts through thick slurries and prevents particle buildup.

· Standards: ISO 16135, EN 12570, and tested per API 598 for leakage integrity.

Advantages

✔ Clog-Free Performance: Blade design minimizes blockage risk in slurry or fibrous media.

✔ Low Maintenance: Simple structure allows easy disassembly and seal replacement.

✔ Leak-Tight Shut-Off: Dual-directional sealing ensures reliability in pressurized systems.

✔ Durable Construction: Cast iron body with anti-corrosion coatings for extended service life.

Optional Customizations

· Stem Extensions for buried or elevated installations.

· Epoxy or PU Coating for enhanced chemical and abrasion resistance.

· Position Indicators for visual open/close status confirmation.

· Locking Device to prevent unauthorized operation.

Technical Specifications

· Max. Temperature: -20°C to +120°C (dependent on seal material).

· Face-to-Face: ISO 5752 Series 20 (standard).

· Testing: Hydrostatic shell test (1.5x PN), seat leakage test (ISO 5208 Rate A).

Applications

· Slurry and wastewater pipelines.

· Mining and mineral processing.

· Pulp and paper industries.

· Chemical and power plants.

Certifications and Global Reach

At WIVO VALVES, we prioritize quality assurance and regulatory compliance. Our Manual non-rising stem knife gate valves are rigorously tested and certified by prominent industry bodies to meet international safety and quality standards. We have earned a reputation for reliability and excellence, exporting our valves to clients across the globe. Our extensive certifications reflect our unwavering commitment to providing products that deliver outstanding performance and safety. With a strong global presence, WIVO VALVES is a trusted supplier for many leading brands and industries. Partnering with us ensures access to high-quality DIN Globe Valves backed by comprehensive support and service.

Contact Us

Whatsapp: +86 15963008926

Email: peter@wovalves.com

To learn more about WIVO VALVES' knife gate valves or for product inquiries and purchases, please feel free to contact us. We look forward to providing you with the best product solutions and an excellent service experience!