BROCHURE
Spirtovent VDN400FL 4" Combination Air & Dirt Separator w/ Drain Removable Head - Flanged
Standard Velocity / Steel
Includes a removable head and tube sheet construction. This allows access to the Spirotube bundle for inspection or cleaning.
ADVANTAGES TO THE SPECIFIER, INSTALLER AND OWNER
No bypass, isolating valves or replacement fi lters to clog and reduce flow
Dirt can be flushed while the system is in full operation.
Quiet operation
Minimum pressure drop; always constant
Increased component life
Reduced oxygen-based corrosion and pump cavitation
Provides optimum heat transfer
Optional removable head for bundle inspection
- The automatic air vent is guaranteed not to leak and can only be closed by the installer for a pressure test.
- Lifting eyes make installation easy.
- The air chamber has been designed so that dirt cannot reach the valve.
- Welded steel construction guarantees long life.
- Valve for releasing large amounts of air during filling and for skimming of floating dirt.
- The unique Spirotube is the core of the Spirovent. Designed to trap the smallest microbubble and microscopic dirt particle, yet it offers little resistance to flow.
- Threaded or flanged connections available.Threaded 2”-4” (not available on units with removable head) ; Flanged 2” and up. Large capacity collection chamber reduces the need for frequent draining.
- Drain valve for flushing out the dirt.