304 Stainless Steel Spring‑Assisted Quick Opening Pressure Manhole
SS304 Quick Open Manway, Spring Balanced Manhole Cover for Tank Vessel
304 Stainless Steel Spring‑Assisted Quick Opening Pressure Manhole
Spring balanced quick‑open manhole widely fitted on storage tanks, reactors and pressure vessels. Spring‑assist mechanism greatly reduces opening force. Multi‑bolt swing clamp structure ensures tight pressure sealing. Mainly used for personnel access, internal inspection, cleaning and material feeding. Sanitary polished finish optional for food, beverage and pharmaceutical industry.
✅ Material: SS304
✅ Opening Type: Spring‑assisted quick swing open ✅ Seal: Silicone / EPDM gasket ✅ Surface: Ra sanitary polish / industrial finish ✅ Application: Tank, pressure vessel, reactor access port ✅ Supporting Documents: EN10204 3.1 Material Test Certificate
Product Features
- Spring balance assist, labor‑saving opening operation
- Swing clamp locking structure, fast open & close
- Good pressure tightness, suitable for pressure vessel working condition
- Mirror polished surface, smooth for sanitary requirements
- Convenient for tank inspection, cleaning and material input
5.0
Pressure:
PN16
Size:
DN50
Material:
304
Brand:
SFTSS
MOQ:
1 PCS
Payment Terms:
T/T, L/C, D/P, PayPal
Delivery Time:
30 Days
Port of Loading:
NINGBO PORT
Certifications:
ISO,MTC,CE
design customization
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Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
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SS304 ANSI B16.5 Blind Flange, DN15 150LB Raised Face End Cap Flange
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