Product Description
Our factory has 15 years of fluid equipment manufacturing experience. This Sanitary Round Manhole Cover is a universal quick opening maintenance access for hygienic industries such as food, pharmaceuticals, and cosmetics. The round structure has uniform force distribution and stable sealing performance, complying with multiple hygienic standards including GMP, FDA, and 3A. It is dead-angle free and easy to clean, fundamentally eliminating contamination, and is a core accessory for various hygienic tanks. The Sanitary Round Manhole Cover balances hygiene and practicality. The quick opening structure makes maintenance and feeding more convenient, and the sealing design ensures tank cleanliness. It adapts to various hygienic tanks such as preparation tanks, fermentation tanks, and storage tanks, and is an essential device for hygienic working condition tanks. Every sanitary manhole cover from our factory undergoes 100% full inspection before leaving the factory, with full inspection before packaging to ensure each unit meets hygienic working condition requirements.
This Sanitary Round Manhole Cover has a body of 304/316L stainless steel, with internal and external mirror polishing of Ra≤0.4~0.8μm. The structure is seamless and retention-free. Seals use food grade silicone, EPDM, and PTFE. Opening is quick opening hinged plus handwheel locking, with pressure coverage of atmospheric, low pressure, and slight positive pressure. Round diameters are commonly DN400-DN600. The equipment supports comprehensive non-standard customization, and can also be equipped with sight glasses and pressure balance ports, adapting to the size and functional requirements of different hygienic tanks, and easily completing CIP/SIP cleaning. The equipment is corrosion and high temperature resistant, has leak-free sealing, a clean appearance, and convenient maintenance. It also supports drawing-based manufacturing, perfectly adapting to all hygienic fields such as food and beverage, bioengineering, and cosmetics. We support OEM/ODM and can manufacture based on technical drawings or prototypes. MOQ is not limited.
Specifications
|
Item |
Specification |
|
Body Material |
304 / 316L Stainless Steel (Food Grade) |
|
Shape |
Round |
|
Surface Roughness |
Ra≤0.4~0.8μm (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 |
DN400-DN600 |
|
Cleaning Method |
Supports CIP/SIP Online Cleaning and Sterilization |
Applications
Designed for hygienic industries such as food and beverage, dairy processing, beer brewing, pharmaceuticals, bioengineering, and cosmetics. Suitable for maintenance, feeding and cleaning of various round hygienic tanks such as preparation tanks, fermentation tanks, storage tanks, and sterile 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; sanitary 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 materials. We accept third-party inspection, with costs borne by the requesting party, and can cooperate with customers to complete supplier audit processes.
Customization
Sanitary Round Manhole Cover supports comprehensive OEM/ODM customization: material options of 304 or 316L; diameter can be customized per customer requirements; functional accessories such as sight glasses, pressure balance ports, and anti-fall nets can be added; surface polishing precision can reach Ra≤0.4μm as required. Customers only need to provide drawings or prototypes. We provide sample confirmation in 10 working days, and bulk order lead times are locked in through contracts. Samples can be provided before bulk orders; samples are fee-based, but small-value samples can be free.
Quality Control
Quality control for sanitary products is stricter than for ordinary industrial grade products. Our Sanitary Round Manhole Covers are managed from raw material warehousing. Each batch of steel plates has a material certificate, every production process is recorded, and 100% full inspection is conducted before packaging. We accept third-party inspection, with costs borne by the requesting party. There is a quality inspection process before shipment, and material certificates can be provided. 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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