Tee-Line Strainer Installation, Operation, and Maintenance (IOM) Manual
Application The Tee-Line Strainer is installed in process and/or CIP lines typically upstream of a pump or other equipment that requires protection from occasional/accidental debris such as gasket material, small stainless-steel parts, nuts and bolts. The Tee-Line Strainer includes a perforated insert that captures particulates as small as 1/16” depending on the insert perforation size selected.
Operating Parameters
Table 1: Maximum Operating Pressures and Temperatures Body Size Tri-Clamp Type
Max. Pressure @ 250 °F
125 psi
1.5” – 4.0”
“Standard” (13MHHM)
6.0”
75 psi
200 psi 200 psi
1.5” – 4.0”
“High Pressure” (13MHP)
6.0”
Maximum Recommended Flow and Pressure Drop Table 2: Maximum Recommended Flow and Pressure Drop Body Size Max. Recommended Flow (gpm) Pressure Drop @ Max. Recommended Flow 1 (psi) 1.5” 55 3.9 2.0” 105 3.5 2.5” 165 1.8 3.0” 240 4.6 4.0” 430 4.7 6.0” 980 4.0 1 For 70 °F Water, ¼” Perforated Element
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Safety Precautions 1. Do not exceed temperature or pressure rating of strainer assembly. 2. Do not loosen or remove any clamps while the strainer is under pressure. 3. Lockout supply pump(s) and other equipment in-line with the strainer during cleaning to prevent accidental operation when strainer is open. 4. Use protective gloves when removing strainer element and clearing debris from element. 5. Use only Sani-Matic replacement parts.
Installation & Operation
Figure 1: Installation of Tee-Line Strainer (Transparent View; top clamp hidden for clarity)
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The Tee Line Strainer is installed as shown in Figure 2 – upstream of a centrifugal pump or other pump/critical equipment that requires protection. Ideally the strainer is installed with the element lying in a horizontal position as shown in Fig. 2 to enable full draining of the line when removing the insert and ensuring captured debris will fall out of the pipe when the insert is removed. Note that the handle is installed perpendicular (Figure 3) to the pipe and the concave side of the insert is facing towards the direction of flow.
Figure 2: Assembled Tee Strainer
If the Tee Line Strainer includes the alignment pin option, the pin will help the user align the insert correctly and ensure the insert is installed in the correct position every time. When installing the tee body within the process line, it is important to ensure the pin is on the side of the incoming flow as shown in Figure 4.
Figure 3: Tee Strainer with Alignment Pin
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Assembly The Tee Line Strainer component assembly contains four (4) sub-components:
1. Element Insert 2. Gasket 3. Clamp 4. Strainer Body
The element insert is inserted into the body with the gasket installed between the two; the two units are then clamped together. The concave side of the element must face the incoming flow.
Figure 4: Tee-Line Strainer Exploded View
Cleaning* 1. Turn off and lock out any pumps and/or equipment connected to the strainer process line. 2. Ensure that all pressure has been relieved from the system the strainer is installed on. 3. Close any available blocking / isolation valves.
4. Remove the strainer element insert. 5. Use a hose to spray the insert off with water to remove loose debris. For a tee- strainer, often times this will clean adequately with larger debris. 6. If additional cleaning is required, clean the insert and other
Figure 5: COP Parts Washer Cleaning
internals using a clean-out-of-place (COP) parts washer or other automated system running at an adequate temperature, chemical concentration, and amount of time to remove all soil residue. If automated cleaning is not available, manually clean soil residue off the element using a scrub device, water source, chemical and gloves. 7. Rinse with appropriate water supply and inspect all parts for cleanliness and damage. 8. Reassemble the strainer as described in the assembly section. The Tee Line strainer can be cleaned in place; however, it will require periodic inspection for physical removal of debris. Another solution is to attach a tri-clamp cap to the strainer body, which can then be cleaned-in-place (CIP) if desired during COP of the strainer element. *These are recommended cleaning instructions only. Follow any plant sanitation standard operating procedure (SSOP) that your facility may have in place.
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Maintenance During normal disassembly, cleaning, and reassembly, inspect the key areas of the strainer that may require maintenance: 1) Soil. Inspect for soil particulates or foreign matter caught in the element. Remove as necessary. 2) Tri-Clamp Gasket. Inspect for cuts, abrasions, tears, holes, deformity, or other visible damage. Replace as necessary or no longer than a recommended annual basis. 3) Element. Check for bent components, abnormal holes, or other wear and tear or damage. Replace as necessary.
Troubleshooting Table 3: Troubleshooting Problems
Solutions
1. Remove element insert and check for debris. 2. Check the sizing information and Cv value of tee-line strainer. The perforations may need to be upsized or a larger connection size strainer may be required if the problem continues. 1. If the debris is smaller than the perforation size, then a new element insert with smaller perforation holes will be required. 2. Ensure the element insert is installed with the t-handle perpendicular to the pipe. 3. Check the element insert for damage and replace if damage is discovered. 1. Tighten clamp. If leakage is still occurring replace gasket. 2. Check the system pressure to ensure the pressure is not exceeding the pressure ratings of the Tee strainer.
Flow Restriction
Debris is passing by the tee strainer
Leakage occurring at clamp connections
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