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 O&M Manual
Hellan Manual Strainers Type AH Angled Flow Body, Single Screen
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 |  |
| 2 1/2″ | Hand-Operated | Angled | AH | |
| 3″ | Hand-Operated | Angled | AH | |
Click HERE to download the latest version of Adobe Reader to view the PDF.
Hellan Manaul Strainers Type TSH In-Line Flow Body, Single Screen
Available 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 | |
| 2″ | Hand-Operated | In-Line | TSH | |
| 2 1/2″ | Hand-Operated | In-Line | TSH | |
| 3″ | Hand-Operated | In-Line | TSH | |
Click HERE to download the latest version of Adobe Reader to view the PDF.
Hellan Manual Strainers Type DH In-Line Flow Body, Two Screen
Available 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 | |
| 3″ | Hand-Operated | In-Line | DH | |
| 4″ | Hand-Operated | In-Line | DH | |
| 6″ | Hand-Operated | In-Line | DH | |
| 8″ | Hand-Operated | In-Line | DH | |
| 10″ | Hand-Operated | In-Line | DH | |
| 12″ | Hand-Operated | In-Line | DH | |
Click HERE to download the latest version of Adobe Reader to view the PDF.
Hellan Manual Strainers Type QH In-Line Flow Body, Four Screen
Available 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 | |
| 16″ | Hand-Operated | In-Line | QH | |
Click HERE to download the latest version of Adobe Reader to view the PDF.
Hellan Manual Strainers Type HH In-Line Flow Body, Six Screen
Available 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 | |
Click HERE to download the latest version of Adobe Reader to view the PDF.
