Safety Precautions 1. Do not exceed temperature or pressure rating of the strainer assembly.
2. Do not loosen or remove any basket strainer cover swing bolts while the strainer is under pressure. 3. Do not attempt to pull wires or debris from the strainer basket with bare hands. Wires and metal shards can be extremely sharp. 4. Lockout supply pump(s) and other equipment in-line with the strainer during cleaning to prevent accidental operation when strainer is open. 5. Use protective gloves when removing strainer element and clearing debris from element. 6. Use only Sani-Matic replacement parts.
Installation & Operation Basket strainers are designed for flow in one direction. The proper orientation results in the particulates being collected on the inside of the strainer basket. Basket strainers are supplied only as ‘Side-Inlet’ flow, as indicated by the arrow on the side of the housing. Strainers should be installed with the housing in a vertical orientation (horizontal configuration options are available). The piping should be adequately supported so that the piping does not place excessive stress on the strainer fittings. If the strainers are to be installed with the housing in a horizontal orientation, the strainer basket must be supplied with support bars to hold the strainer basket concentric with the housing when it is assembled.
Figure 1: Vertical & Horizontal Basket Strainer Installation Methods with Flow Direction
To monitor the buildup of particulates in the strainer element during operation, pressure gauges may be installed on both sides of the strainer to measure differential pressure. When the strainer has been cleaned, it will have the minimum differential pressure at the operating flow rate. If the strainer starts to get plugged, this can be detected by an increase in the differential pressure. In addition, electronic signals from differential pressure sensors may be included to automatically detect and alarm the control system.
DM-0005_Basket Strainer_IOM_Rev3.0.docx
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