Carbon Steel Manhole
Carbon Steel Manhole manufactured by Cangzhou Huishang - 30-year professional manhole manufacturer. ISO 9001, CE certified. HG/T21516, ASME standards....
Product Overview
Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd. manufactures high-quality Carbon Steel Manhole with over 30 years of experience. Our carbon steel manholes combine rugged strength with reliable sealing performance, making them ideal for pressure vessels, storage tanks and industrial equipment in demanding applications.
Technical Specifications
Standard: HG/T21516, ASME, DIN, EN, JIS, GB
Type: Carbon Steel Manhole
Material: Carbon Steel (A105, Q345B, 20#)
Pressure Rating: PN0.6-PN16, Class 150-900
Size Range: DN400-DN600 (16"-24")
Sealing: Gasket Sealed, Bolted Cover with Hinge
Manufacturing & Quality
Manufactured with precision CNC machining and complete NDT testing (UT, MT, PT, RT), our carbon steel manholes provide dependable sealing performance. 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 chemical storage tanks, oil & gas facilities, pressure vessels, water treatment systems, power plants and marine equipment. Monthly capacity of 50 containers with 7-15 days standard delivery. Custom sizes and special materials available upon request.
