SMC Manhole Cover & Other Kits

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Stainless Steel & Carbon Steel Non-Traffic Access Covers and Oil Discharge Boxes for Fuel Station Underground Tanks

Stainless Steel & Carbon Steel Non-Traffic Access Covers and Oil Discharge Boxes for Fuel Station Underground Tanks

The HBSSMC-XXXX series square manhole covers are specifically engineered for non-traffic areas above underground fuel tanks at petrol stations. These covers are available in stainless steel 304 with a smooth natural finish or carbon steel with a durable painted surface, allowing operators to select the ideal material based on local environmental conditions and durability requirements.

Featuring a pneumatic lifting system, the square covers provide safe and effortless access for inspection and maintenance. Their design ensures simple installation, reliable performance, and ease of operation, while the integrated structure removes the need for additional sealing in non-vehicular zones. Optional surface painting or logo customization allows stations to maintain aesthetic consistency and brand visibility.

The companion product, the HBSSLB-XXXX rectangular oil discharge port box, is designed for tank truck unloading areas. It is manufactured from the same stainless steel or carbon steel options, combining durability and corrosion resistance with lightweight, user-friendly operation. Pneumatic-assisted opening ensures quick and safe access for fuel transfer and maintenance tasks. Customizable colors and printed logos allow fuel stations to match branding and operational requirements.

Globally, these products are known under different names: in Egypt, the square cover is called stainless steel access hatch and the rectangular box fuel unloading box; in Nigeria, steel inspection hatch and tank truck discharge box; in Spain, tapa cuadrada de acero and caja rectangular de descarga de combustible; in Portugal, tampa quadrada de aço and caixa de descarga de combustível; in the United States, stainless/carbon steel access cover and fuel discharge port box; in Russia, нержавеющий или углеродный квадратный люк and прямоугольный короб для слива топлива. Despite regional naming differences, the main advantages remain: durable materials, safe operation, easy access, and suitability for non-traffic fuel station areas.

Together, the HBSSMC-XXXX and HBSSLB-XXXX series deliver a complete material-focused solution for underground fuel access and unloading zones. They combine stainless or carbon steel strength, corrosion resistance, operational convenience, and visual customization, providing modern fuel stations with a reliable, safe, and visually flexible access system.

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This square manhole cover is specially designed for non-traffic areas above underground fuel tanks at petrol stations.The entire unit can be manufactured from either carbon steel (with painted surface) or stainless steel 304 (with smooth natural finish) according to customer requirements.
Equipped with a pneumatic lifting system, the cover provides safe, effortless opening for maintenance access.
It features a lightweight structure, simple design, and easy installation, making it ideal for modern fueling facility applications.

Technical Specifications:
Load Class: Non-traffic type (for non-vehicular areas)
Frame Size: Standard model 1400 × 1400 mm, height approx. 230 mm (other sizes customizable upon request)
Material: Carbon steel (painted surface) or Stainless steel 304 (natural polished finish)
Lifting Mechanism: Pneumatic spring system
Sealing: Integrated structure; sealing not required for this load class
Color Options: Painted surface color customizable per customer preference
Operating Temperature: -40 °C to +100 °C

This rectangular fuel unloading box is specially designed for tank truck unloading zones at petrol stations.

The entire unit can be manufactured from carbon steel (with painted surface) or stainless steel 304 (with smooth natural finish) according to customer requirements. Equipped with a pneumatic lifting system, the cover provides safe, effortless access during fuel unloading and maintenance operations.The box features a lightweight design, simple structure, and easy installation, making it ideal for modern fuel station applications.

 Technical Specifications
Load Class: Non-traffic type (for non-vehicular areas)
Frame Size: Standard model 1000 × 700 × 700 mm (other sizes customizable upon request)
Material: Carbon steel (painted surface) or Stainless steel 304 (natural polished finish)
Lifting Mechanism: Pneumatic spring-assisted opening
Surface Color & Logo Options: Painted surface color and printed logo customizable per customer preference
Operating Temperature: -40 °C to +100 °C

About Haibo
Zhejiang Haibo Petroleum Equipment Co., Ltd.

Zhejiang Haibo Petroleum Equipment Co., Ltd., established in 2017, is a certified enterprise located in Yongjia County, Wenzhou City, Zhejiang Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
Our products are widely used in Fluid Control Systems, Energy Systems, Measurement Systems, Piping Systems, and Hydraulic Systems, serving petroleum companies, military units, oil depots, tank truck manufacturers, and petrol stations worldwide. Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
At Haibo, we are backed by a team of senior industry experts with more than 20 years of professional experience in the petroleum equipment and fluid control sectors. Their deep technical knowledge and industry insight ensure that every product and solution we deliver meets the highest standards of quality, reliability, and performance.

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