The DN470mm Carbon Steel Three-claw Manhole Cover, also known as external pressure manhole cover for bulk cement tanker, is installed on the top of the tank body. It serves as an access point for personnel, observation port for cargo inspection, and important loading port for tankers. The outer diameter of standard powder material tanker manholes is 520mm or 540mm.

• Manufactured, inspected and accepted according to national standard GB/21S17-200S
• Improved locking device with translation opening design for quick operation
• All components produced in strict compliance with technical drawings
• Welding without cracks, pores or defects - all welding gaps polished smooth
• Welding and acceptance performed according to NB/T-47003,1-2009 standard

About Hubei Huate Special Equipment Co., Ltd.

Hubei Huate Special Equipment Co., Ltd. is a multi-national global brand with more than 15 years of experience in manufacturing Tank Trucks, Sanitation Trucks, Refrigerated trucks and related parts. Since the new factory was put into operation in 2017, Huate has adopted flat management structure, utilizing advanced manufacturing equipment and quality control methods to enhance design, R&D capability, manufacturing level and quality control.

Through continuous R&D and customer focus, Huate develops and manufactures country-specific Special Vehicle products that meet regional requirements. Our goal is to provide global customers with comprehensive, extensive and stable products, delivering more refined and professional solutions with superior service.