SKU: 25593074113

Membran - Antiheberventil MAV (stufenlos einstellbar von 1 bis 4m)

$32.48 $36.09
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Ships within 48 hours · Estimated delivery Sep 19 - Sep 24

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Description

Membran - Antiheberventil MAV (stufenlos einstellbar von 1 bis 4m)Das Membran Antiheberventil MAV ist eine Sicherungseinrichtung (Zulassungs. Nr. Z 65. 50 415) fr lfeuerungsanlagen bei denen ein Abschnitt der lfhrenden Leitung unterhalb des maximalen Tankfllstandes liegt. Bei einer Undichtheit der lfhrenden Leitung verhindert das Membran Antiheberventil MAV das Aushebern (Leerlaufen) des Tanks. Zugelassen fr lfhrende Rohrleitungen bei Hhenunterschied von max. 4 m zwischen MAV und tiefster Stelle der Saugleitung.

Das Membran-Antiheberventil MAV ist eine Sicherungseinrichtung (Zulassungs.- Nr. Z-65.50-415) für Ölfeuerungsanlagen bei denen ein Abschnitt der ölführenden Leitung unterhalb des maximalen Tankfüllstandes liegt. Bei einer Undichtheit der ölführenden Leitung verhindert das Membran-Antiheberventil MAV das Aushebern (Leerlaufen) des Tanks.

Zugelassen für ölführende Rohrleitungen bei Höhen­unter­schied von max. 4 m zwischen MAV und tiefster Stelle der Saugleitung. Anschlüsse beidseitig 3/8'' IG.

Zum Öffnen des Antiheberventils muss der Heizölverbraucher (z. B. Brennerpumpe) einen Unterdruck von mindestens 0,4 bar erzeugen.

Als Verbindungsstück zwischen MAV und der Ölleitung empfehlen wir flachdichtende Schneidring­ver­schrau­bungen zu verwenden.

Bei Einsatz im Domschacht empfehlen wir als bessere Alternative das  Kolben-Antiheberventil (KAV).

Shipping Notes
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SKU: 25593074113

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4.6 ★★★★★
Based on 27 reviews
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Product Reviews
A
Verified Purchase
Amanda Ostrom
Houston, US
★★★★★ 5
Easy portability & Strong umbrella support
Size: 19inch
Its exactly as advertized! Pros: • rolls well • medium sized (not a tripping hazard & corner fit under the edge of all my furniture) • holds tall (through center of table) umbrella while open in minor wind with water-filled option. • multiple size umbrella pole insert included • Clear instructions. • easy to use brakes (on 2 wheels for security...4 wheels would be annoying to use every day) Cons: • will still roll with brakes on with a little force when I'm being lazy...it should not be this easy (I usually have a corner of the stand tucked under a piece of furniture anyways) • I would call this "light heavy duty" rather than "sturdy heavy duty" with water-filled option. I'd imagine sand + water as suggested would actually be heavy duty. • re-design suggestion: base of umbrella could extend down below the water tank for sturdier hold, but this is the best I've found.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
R
Verified Purchase
Roger
Port Orchard, US
★★★★★ 5
Good buy
Size: 19inch
Filing it with sand (50 lbs) was a very slow process, but I got it done. The wheels are very convenient for moving the umbrella around, and the wheel locks seems to work well. So far I'm quite satisfied with the base.
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Reviewed in the United States on May 17, 2026
A
Verified Purchase
Amazon Customer Chris
Waukegan, US
★★★★★ 5
Great product
Size: 19inch
Excellent quality! Highly recommend. I love that you can wheel it around to other areas and the wheels lock in place.
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Reviewed in the United States on May 6, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Good umbrella stand
Size: 21inch
Works really well. I filled it with water and it works great. The wheels worked great on the pool deck. The umbrella stands upright even in the wind here in Florida. Worth the price. Multiple pole size inserts. 2 pole security screws.
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Reviewed in the United States on May 17, 2026
S
Verified Purchase
SAN
Phoenix, US
★★★★★ 5
As Advertised
Size: 19inch
The product seems well constructed and rolls easily when wheels are unlocked, even with full weight. Had windy conditions recently and the umbrella was held steady.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026

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