DN200 To DN500 304 Stainless Steel Sanitary Manhole Cover - Quick-Open Welded/Flanged Access Door for Normal Pressure Systems | AOMITE

Product Description

Product Name: DN200 to 500 304 Stainless Steel Sanitary Manhole Cover - Quick-Open Welded/Flanged Access Door for Normal Pressure Systems | AOMITE

Product Overview

The Aomite  304 Stainless Steel Sanitary Manhole Cover is engineered for hygienic, corrosion-resistant access in food, pharmaceutical, and chemical processing systems. With a quick-open design and welded/flanged installation options, this manhole door ensures zero leakage under normal pressure (≤0.1 MPa) while meeting ASME BPE and EHEDG standards for cleanability.

Key Features

✅ 304 Stainless Steel Construction

• Resists pitting, oxidation, and chemical corrosion in acidic/alkaline environments.

• Electropolished (Ra ≤0.8μm) surface minimizes bacterial adhesion.

✅ Sanitary Quick-Open Mechanism

• Tool-free operation with dual safety locks – open/close in <15 seconds.

• Silicone gasket ensures airtight sealing.

✅ Flexible Installation

• Choose between welded (W/O 150#) or flanged (DN400 PN10) configurations.

• Compatible with tri-clamp, DIN, or SMS flange standards.

✅ Low-Maintenance Design

• Removable hinge pin allows full door removal for vessel cleaning.

• Replaceable gasket extends service life up to 1+ years.

Technical Specifications

Why Choose Aomitevalve?

• 25+ Years of Expertise: Trusted by 200+ clients overseas for sanitary fluid systems.

• Customization Ready: Modify dimensions, ports, or material grades (316L, 2205 Duplex) upon request.

• Fast Delivery: Local stock in Monterrey + 15-day lead time for OEM orders.

Applications

• CIP/SIP systems in dairy & beverage plants

• Bioreactor access ports in pharma facilities

• Mixing tank maintenance hatches in chemical processing

Request a   Sample or  Drawing:
Email: sales@wzamt.com | +86-17858487875
Visit: www.aomitevalve.com

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

FAQ

1. who are we?
We are based in Zhejiang, China, start from 1998,sell to Domestic Market(30.00%),Mid East(20.00%),North America(15.00%),South America(12.00%),Southeast Asia(5.00%),Oceania(5.00%),Eastern Europe(5.00%),South Asia(3.00%),Africa(3.00%),Eastern Asia(2.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
sanitary  valve,check valve,safety valve,pressure relief valve,pipe fitting

4. why should you buy from us not from other suppliers?
1.Best price & High quality 2.Fast delivery 3.20 years experience in manufacturing 4.Factory direct sale 5. Trustable and professional  sales team

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese