4" Vessel Closure (Universal, Top & Bottom Use)

✅ The 4" closure is designed to hermetically seal top or bottom openings in pressure vessels used in water treatment systems.
✅ In large vessels, a dual-flange design is common — one for a control valve on top, and a bottom port for drainage or servicing.
Description ...

15.00 €
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4" Vessel Closure (Universal, Top & Bottom Use)

⚙️ Purpose:
✅ The 4" closure is designed to hermetically seal top or bottom openings in pressure vessels used in water treatment systems.
✅ In large vessels, a dual-flange design is common — one for a control valve on top, and a bottom port for drainage or servicing.
????️ Use cases include:

  • Sealing unused or spare vessels

  • Covering bottom openings in dual-port systems

  • Protecting vessels during transport or storage

  • Temporary sealing during retrofits or equipment delays

✔️ Specifications:

  • Compatibility: all vessels with 4" threaded ports (top or bottom)

  • Thread type: 4" internal NPSM

  • Material: durable engineering plastic, chemical-resistant

  • Included: closure cap only (O-ring not included)

✔️ Advantages:

  • Universal fit for top and bottom use

  • Reliable seal, even under pressure

  • Tool-free installation