Stainless Steel Manhole
Stainless 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 Stainless Steel Manhole with over 30 years of experience. Our manholes are produced in strict compliance with international standards, ensuring reliable performance for pressure vessels, storage tanks and industrial equipment.
Technical Specifications
Standard: HG/T21516, ASME, DIN, EN, JIS, GB
Type: Stainless Steel Manhole
Material: 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 Hinge
Manufacturing & Quality
Machined from forged stainless steel with precision CNC processing, our manholes feature reliable gasket sealing surfaces, smooth bolted cover operation and complete NDT testing (UT, MT, PT, RT). Sealing surface roughness Ra 3.2-6.3μm. Certified with ISO 9001:2015, CE (PED/CPR). Each batch comes with complete MTC traceability.
Applications
Widely used in pressure vessels, chemical storage tanks, pharmaceutical equipment, food processing tanks, water treatment systems and marine equipment. Monthly capacity of 50 containers with 7-15 days standard delivery. Custom sizes and special materials available upon request.
