Industrial Manhole
Industrial Manhole manufactured by Cangzhou Huishang - 30-year professional manhole manufacturer. ISO 9001, CE certified. Durable design for industrial tanks and vessels....
Product Overview
Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd. manufactures high-quality Industrial Manhole with over 30 years of experience. Built with dual lifting handles and robust bolted construction, our industrial manholes provide dependable access for storage tanks, pressure vessels and industrial equipment in heavy-duty applications.
Technical Specifications
Standard: HG/T21516, ASME, DIN, EN, JIS, GB
Type: Industrial Manhole
Material: Carbon Steel (A105, Q345B), Stainless Steel (304, 304L, 316, 316L)
Pressure Rating: PN0.6-PN16, Class 150-900
Size Range: DN400-DN600 (16"-24")
Sealing: Gasket Sealed, Bolted Cover with Handles
Manufacturing & Quality
Manufactured with precision CNC machining and complete NDT testing (UT, MT, PT, RT), our industrial manholes deliver long service life in harsh environments. Sealing surface roughness Ra 3.2-6.3μm, flatness ≤0.1mm. Certified with ISO 9001:2015, CE (PED/CPR). Each batch comes with complete MTC traceability.
Applications
Widely used in oil storage tanks, chemical plants, pressure vessels, water treatment facilities, power plants, shipbuilding and mining equipment. Monthly capacity of 50 containers with 7-15 days standard delivery. Custom sizes and special materials available upon request.
