Zhejiang Lipin Valve Co., Ltd. has introduced its PN10 pneumatic wafer knife gate valve, designed for high-solid media such as pulp, sludge, crystalline slurry and pneumatic powders. The valve features a double-acting pneumatic cylinder and a hardened stainless steel knife-edge gate that cuts directly into the medium during closing, preventing seat packing. Its compact wafer-type body (PN10) and quick-change seat (EPDM, NBR, Viton or PTFE) allow in-line maintenance, making it suitable for pulp & paper, water treatment, chemical and pneumatic conveying industries as a cost-effective alternative to imports.
The double-acting pneumatic actuator powers both strokes for fast response and no spring fatigue, having passed one million cycle tests. Third-party tests confirm that after 30,000 cycles in 20% solids slurry, leakage remains below ISO 5208 Rate A. Many users report over 12 months of trouble-free service, compared to ordinary valves failing within two months. The valve holds CE certification, with ATEX and anti-static options available.
Standard sizes DN50-DN300 are kept in stock, with shipment within 7 working days after order confirmation; non-standard materials and connections can be customized with a lead time of 3 to 4 weeks. Our factory employs CNC machining, automatic welding and robotic assembly to ensure consistent quality and on-time delivery. For technical data, installation support, or to request a sample, please contact our sales team or visit www.lipvalve.com.
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