English to Dutch Tech/Engineering Mechanics / Mech Engineering uit een handleiding voor pompen & motoren

Context:

"Determine whether the cause is located on the casing of the pump, the
shaft seal, the suction pipe, the foot valve or the strainer, then, depending
on the situation:
• renew the pump casing joint
• seal the suction pipe
• recondition the foot valve
• clean the strainer"

Zie bijv. ook http://www.glossary.oilfield.slb.com/Display.cfm?Term=casing...

"Verbindingsstuk van de pompbehuizing" of zoiets?