{"id":5919,"date":"2024-12-23T07:12:29","date_gmt":"2024-12-23T07:12:29","guid":{"rendered":"https:\/\/www.hongtaivalve.com\/?post_type=product&p=5919"},"modified":"2025-04-24T08:48:56","modified_gmt":"2025-04-24T08:48:56","slug":"hongtaivalve-stainless-steel-full-view-mirror-vertical-pressure-manhole-size-dn15-dn150-htv-pm001","status":"publish","type":"product","link":"https:\/\/www.hongtaivalve.com\/zh\/product\/hongtaivalve-stainless-steel-full-view-mirror-vertical-pressure-manhole-size-dn15-dn150-htv-pm001\/","title":{"rendered":"HongTaivalve-\u4e0d\u9508\u94a2\u5168\u89c6\u89d2\u955c\u9762\u7acb\u5f0f\u538b\u529b\u4eba\u5b54-\u5c3a\u5bf8 dn15-dn150-HTV-PM001"},"content":{"rendered":"
**Sanitary Stainless Steel Manhole Covers | Hygienic Access Ports for Tanks & Vessels**<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Product Overview**<\/div>\n
Sanitary manhole covers (hygienic access ports) are essential for maintaining cleanability and accessibility in food, pharmaceutical, and biotech tank systems. Crafted from **316L\/304 stainless steel**, these covers comply with EHEDG\/3-A standards, offering seamless integration with CIP\/SIP processes. Available in multiple configurations to suit diverse industrial needs.<\/div>\n
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—<\/div>\n
<\/div>\n
### **Types & Configurations**<\/div>\n
1. **By Shape**<\/div>\n
\u00a0 \u00a0– **Round**: Standard design (DN400\u2013DN600) for uniform pressure distribution.<\/div>\n
\u00a0 \u00a0– **Square\/Elliptical**: Space-saving solutions for tight installations or non-cylindrical tanks.<\/div>\n
2. **By Function**<\/div>\n
\u00a0 \u00a0– **Pressure-rated**: Reinforced flanges (up to 6 bar) for pressurized vessels.<\/div>\n
\u00a0 \u00a0– **Standard**: Non-pressurized tanks, fermentation units.<\/div>\n
\u00a0 \u00a0– **Sight Glass Manhole**: Integrated borosilicate glass window for visual inspection.<\/div>\n
\u00a0 \u00a0– **Double-Layer (Insulated)**: Thermal insulation for temperature-sensitive processes.<\/div>\n
\u00a0 \u00a0– **Vented**: Built-in exhaust valve (EPDM\/PTFE) to release pressure or vapors.<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Design & Customization**<\/div>\n
– **Opening Direction**: **Inward-opening** (external hinge) or **outward-opening** (internal hinge) to suit tank layout.<\/div>\n
– **Surface Finish**:<\/div>\n
\u00a0 – **Electropolished** (Ra \u22640.8\u00b5m): For high-purity applications (e.g., vaccine production).<\/div>\n
\u00a0 – **Bead-Blasted**: Non-reflective, anti-slip texture for industrial environments.<\/div>\n
– **Sealing**: FDA-grade EPDM\/Silicone gaskets, bolted or clamp-secured.<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Technical Specifications**<\/div>\n
| **Parameter**\u00a0 \u00a0 \u00a0 \u00a0| **Specification**\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |<\/div>\n
|———————-|——————————————–|<\/div>\n
| **Size Range**\u00a0 \u00a0 \u00a0 \u00a0| DN150\u2013DN800 (6″\u201332″)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|<\/div>\n
| **Pressure Rating**\u00a0 | Standard: 0\u20133 bar \/ Pressure-rated: 6 bar\u00a0 |<\/div>\n
| **Material**\u00a0 \u00a0 \u00a0 \u00a0 \u00a0| 316L\/304 SS, optional Hastelloy coatings\u00a0 \u00a0|<\/div>\n
| **Temperature**\u00a0 \u00a0 \u00a0 | -20\u00b0C to +150\u00b0C (EPDM) \/ +200\u00b0C (Silicone) |<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Tank System Integration**<\/div>\n
Sanitary manholes pair with:<\/div>\n
1. **Tank Accessories**<\/div>\n
\u00a0 \u00a0– **Hinges**: Heavy-duty SS hinges with self-lubricating pins.<\/div>\n
\u00a0 \u00a0– **Clamping Mechanisms**: Swing bolts, tri-clamp locks, or quick-release levers.<\/div>\n
\u00a0 \u00a0– **Gaskets**: Full-face or profile seals for leak-proof closure.<\/div>\n
2. **CIP Components**<\/div>\n
\u00a0 \u00a0– **Spray Balls**: Rotating\/fixed nozzles for internal tank cleaning.<\/div>\n
\u00a0 \u00a0– **Agitators**: Maintain homogeneity during cleaning cycles.<\/div>\n
\u00a0 \u00a0– **Sensors**: Pressure transmitters, temperature probes.<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Applications**<\/div>\n
– **Dairy**: Milk storage tanks, pasteurizers.<\/div>\n
– **Biopharma**: Bioreactors, buffer preparation vessels.<\/div>\n
– **Brewing**: Fermentation tanks, bright beer tanks.<\/div>\n
– **Chemical**: Mixing vessels with corrosive media.<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **Why Choose Our Manhole Covers?**<\/div>\n
– **Modular Design**: Retrofit existing tanks with custom flanges or sight glasses.<\/div>\n
– **Hygienic Compliance**: Crevice-free surfaces, CIP-ready seals.<\/div>\n
– **Explosion-Proof Options**: ATEX-certified designs for hazardous areas.<\/div>\n
<\/div>\n
—<\/div>\n
<\/div>\n
### **FAQ**<\/div>\n
**Q: Can manholes be customized for non-standard tank openings?**<\/div>\n
A: Yes \u2013 provide CAD drawings or tank specs for bespoke sizing\/shaping.<\/div>\n
<\/div>\n
**Q: How to prevent gasket degradation during steam sterilization?**<\/div>\n
A: Opt for high-temp silicone or PTFE-encapsulated seals.<\/div>\n
<\/div>\n
**Q: Are sight glass manholes compatible with abrasive cleaners?**<\/div>\n
A: Use tempered glass with protective SS guards.<\/div>\n
<\/div>\n
—<\/div>\n
\u00a0Sanitary Manhole Cover, Stainless Steel Tank Access Port, CIP-ready Manhole, Sight Glass Manhole, Pressure-rated Manhole, EHEDG-compliant Cover<\/div>\n
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 <\/p>","protected":false},"excerpt":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n
\u578b\u53f7<\/b><\/strong><\/td>\nHT-PM001<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
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