Manual Strainers

All Hellan Manual Strainers are manufactured to ISO-9001 and meet all codes: ASME, CE/PED, Lloyds Register, Navy Mil Specs, and others for industrial and marine environments.  Manufactured in sizes ranging from 1.5 inches to 20 inches in 5 available body styles to match application specific requirements.  All type AH, TSH, DH, QH and HH models are offered in iron, steel, stainless, super duplex stainless steel and bronze.

Flow Rate vs Pressure Drop Accessories  Video

 

Hellan Manual Strainers Type AH Angled Flow Body, Single Screen

Hellan Manual Strainers
Available in 2″, 2 1/2″, and 3″ models.  The “AH” Hellan Manual Strainers employ a single handwheel equiped rotating screen and a rigid scraper bar to remove solids from the surface area of the screen when the handwheel is rotated.  A solids collecting sump is also provided.

Cleaning of the type “AH” is accomplished by opening a valve on the sump flush connection and rotating the handwheel several times.  The cleaning cycle must be performed while the strainer is under positive pressure.  Type “AH” strainers are preferably installed in the vertical down-flow position as illustrated.

Size Operation Flow Type Catalog Pages
2″ Hand-Operated Angled AH  Hellan Manual Strainers
2 1/2″ Hand-Operated Angled AH  
3″ Hand-Operated Angled AH  Hellan Manual Strainers

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Hellan Manaul Strainers Type TSH In-Line Flow Body, Single Screen

Hellan Manual StrainersAvailable in 1 1/2″, 2″, 2 1/2″, and 3″ models.  The “TSH” Hellan Manual Strainers employ a single handwheel equiped rotating screen and a rigid scraper bar to remove solids from the surface area of the screen when the handwheel is rotated.  A solids collecting sump is also provided.

Cleaning of the type “TSH” is accomplished by opening a valve on the sump flush connection and rotating the handwheel several times.  The cleaning cycle must be performed while the strainer is under positive pressure.  Type “TSH” strainers are preferably installed in the horizontal position as illustrated.

Size Operation Flow Type Catalog Pages
1 1/2″ Hand-Operated In-Line TSH Hellan Manual Strainers
2″ Hand-Operated In-Line TSH Hellan Manual Strainers
2 1/2″ Hand-Operated In-Line TSH Hellan Manual Strainers
3″ Hand-Operated In-Line TSH Hellan Manual Strainers

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Hellan Manual Strainers Type DH In-Line Flow Body, Two Screen

Hellan Manual StrainersAvailable in 2 1/2″, 3″, 4″, 6″, 8″ 10″, and 12″ models.  The “DH” Hellan Manual Strainers employ two handwheel equipped rotating screens and  rigid scraper bars to remove solids from the surface area of the screens when the handwheels are rotated.  A solids collecting sump is also provided.

Cleaning of the type “DH” is accomplished by opening a valve on the sump flush connection and rotating the handwheel several times.  The cleaning cycle must be performed while the strainer is under positive pressure.  Type “DH” strainers can be installed in the vertical up-flow position as illustrated or in the horizontal flow position with both screens in the horizontal plane, and the sump flush connection preferably located at the bottom.

Size Operation Flow Type Catalog Pages
2 1/2″ Hand-Operated In-Line DH Hellan Manual Strainers
3″ Hand-Operated In-Line DH Hellan Manual Strainers
4″ Hand-Operated In-Line DH pdficonsmall
6″ Hand-Operated In-Line DH Hellan Manual Strainers
8″ Hand-Operated In-Line DH Hellan Manual Strainers
10″ Hand-Operated In-Line DH Hellan Manual Strainers
12″ Hand-Operated In-Line DH Hellan Manual Strainers

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Hellan Manual Strainers Type QH In-Line Flow Body, Four Screen

Hellan Manual StrainersAvailable in 14″ and 16″ models.  The “QH” Hellan Manual Strainers employ four handwheel equipped rotating screens and  rigid scraper bars to remove solids from the surface area of the screens when the handwheels are rotated.  A solids collecting sump is also provided.

Cleaning of the type “QH” is accomplished by opening a valve on the sump flush connection and rotating the handwheel several times.  The cleaning cycle must be performed while the strainer is under positive pressure.  Type “QH” strainers are preferably installed in the vertical up-flow position as illustrated.

Size Operation Flow Type Catalog Pages
14″ Hand-Operated In-Line QH Hellan Manual Strainers
16″ Hand-Operated In-Line QH Hellan Manual Strainers

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Hellan Manual Strainers Type HH In-Line Flow Body, Six Screen

Hellan Manual StrainersAvailable in 20″ model only.  The “HH” Hellan Manual Strainers employ six handwheel equipped rotating screens and  rigid scraper bars to remove solids from the surface area of the screens when the handwheels are rotated.  A solids collecting sump is also provided.

Cleaning of the type “HH” is accomplished by opening a valve on the sump flush connection and rotating the handwheel several times.  The cleaning cycle must be performed while the strainer is under positive pressure.  Type “HH” strainers are preferably installed in the vertical up-flow position as illustrated.

Size Operation Flow Type Catalog Pages
20″ Hand-Operated In-Line HH pdficonsmall

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