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コントロールユニット DeZurik APCO 100SRのPDF インストレーション、オペレーション、メンテナンスマニュアルをオンラインで閲覧またはダウンロードできます。DeZurik APCO 100SR 14 ページ。 Rubber flapper swing check valves

Maintenance-Spring Return

Disassembly Procedure:

1. Isolate the Rubber Flapper Valve from the system, and then relieve pressure on the discharge

side of the valve by loosening the cover bolts (4) and (5) approximately three full turns.

2. Completely unscrew all cover bolts and lift off Cover (2) including the spring mechanism

assembly. This will disconnect the Spring (63) from the Lower Spring Guide (51).

3. Remove Rubber Flapper (10) and check for cracks and tears and inspect body seat surface for

wear.

Assembly Procedure:

Replace Cover Gasket (3) if necessary.

Replace Rubber Flapper (10) and make certain it rests flat and centered against the body seat

surfaces.

3. Install Spring (63) over Lower Spring Guide (51).

4. Carefully replace Cover (2) over Flapper (10) making sure not to move Flapper from its seating

position.

5. Replace cover bolts (4) and (5) and tighten alternately opposite each other in rotation.

December 2012

APCO CRF Rubber Flapper Swing Check Valves

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DeZURIK

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