Food Grade Stainless Manhole Cover

Food Grade Stainless Manhole Cover
Details:
Our factory has 15 years of in-depth experience in fluid equipment manufacturing. This Food Grade Stainless Manhole Cover is a quick opening maintenance access tailored for food grade working conditions such as food, beverages, and dairy. It adapts to atmospheric and slight positive pressure tanks, fully complying with GMP, FDA, and 3A hygienic standards. It is an essential accessory for food grade tanks such as batching tanks, sterile tanks, and fermentation tanks.
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Description
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Product Description

 

Our factory has 15 years of in-depth experience in fluid equipment manufacturing. This Food Grade Stainless Manhole Cover is a quick opening maintenance access tailored for food grade working conditions such as food, beverages, and dairy. It adapts to atmospheric and slight positive pressure tanks, fully complying with GMP, FDA, and 3A hygienic standards. It is an essential accessory for food grade tanks such as batching tanks, sterile tanks, and fermentation tanks. The Food Grade Stainless Manhole Cover features dead-angle free hygienic design, avoiding the possibility of bacterial growth from structure to surface treatment. It also combines quick opening convenience, making it a core device for cleaning, maintenance, and feeding of food grade tanks, perfectly meeting the stringent hygienic requirements of food, beverage, and dairy processing. Every food grade manhole cover from our factory undergoes 100% full inspection before leaving the factory, with full inspection before packaging to ensure each unit meets food grade working condition requirements.

 

This Food Grade Stainless Manhole Cover has a body of 304/316L stainless steel, with internal and external mirror polishing reaching Ra≤0.4/0.6μm. It adopts a hinged quick opening plus handwheel locking structure, with no dead angles or retention. Seals are paired with food grade silicone, EPDM, and PTFE, preventing leakage and dust ingress, and facilitating CIP cleaning. The equipment supports non-standard customization, can be made in diameter, square, and oval structures as needed, and can also be equipped with sight glasses, adapting to the installation and usage needs of different food grade tanks. Operation requires no tools, with handwheel rapid opening and closing, reliable sealing, and corrosion resistance for easy cleaning. It is widely used in food grade tanks such as dairy, alcohol, beverages, and condiments, and is standard for atmospheric equipment in food working conditions. We support OEM/ODM and can manufacture based on technical drawings or prototypes. MOQ is not limited, and different models can be mixed.

 

Specifications

 

Item

Specification

Body Material

304 / 316L Stainless Steel (Food Grade)

Surface Roughness

Ra≤0.4/0.6μm (Internal and External Mirror Polished)

Hygienic Standard

GMP / FDA / 3A

Seal Material

Food Grade Silicone / EPDM / PTFE

Opening Method

Hinged Quick Opening + Handwheel Locking

Common Sizes

Customizable Round / Square / Oval

Pressure Range

Atmospheric to Slight Positive Pressure

Cleaning Method

Supports CIP Online Cleaning

 

Applications

 

Designed for food grade industries such as dairy processing, alcohol brewing, food and beverage, condiments, and health products. Suitable for maintenance, feeding and cleaning of various food grade tanks such as batching tanks, sterile tanks, fermentation tanks, storage tanks, and sterilization tanks.

 

Certifications

 

Our factory complies with local environmental regulations and holds complete production qualifications and environmental assessment procedures. Products are manufactured according to HG/T chemical industry standards and hygienic specifications; food grade models meet GMP, FDA, 3A and other hygienic standard requirements. 304/316L material certificates can be provided for raw materials, and seals use food grade contact materials. We accept third-party inspection, with costs borne by the requesting party, and can cooperate with customers to complete supplier audit processes.

 

FAQ

 

Q: Can food grade manhole covers be used for pressurized tanks?

A: The standard model is suitable for atmospheric and slight positive pressure conditions. If used for pressurized tanks, it is recommended to select a food grade pressure manhole cover with safety interlock.

Q: Can non-standard sizes and shapes be customized?

A: Yes, we support customization according to customer drawings. Round, square, and oval shapes are all available. The custom sample lead time is approximately 10 working days.

Q: What material are the seals? Do they meet food contact requirements?

A: The seals are made of food grade silicone, EPDM or PTFE, all of which meet food contact material safety standards. Relevant material certificates can be provided.

 

After-Sales Service

 

We provide a 12-month warranty period, excluding wearing parts such as sealing gaskets. Dedicated personnel handle pre-sales, in-sales, and after-sales services. Pre-sales personnel assist with model selection; production progress can be checked at any time during sales; after-sales has dedicated personnel to follow up on feedback and issue handling. If goods are damaged upon arrival, non-quality issues are the responsibility of the damaging party; if it is a quality issue, the manufacturer replaces it free of charge and is not responsible for logistics costs.

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