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Miller Leaman Helix HD-2NA Filter
Manufacturer: Miller Leaman
Model Number: HD-2NA
Date of Price: 1/13/2005
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Description:
Miller Leaman's Helix Disc Filter models are available in three sizes: 2", 2" Super and 3". The filters can be installed in any orientation; however, it is preferable to install them in the inverted position (3/4" flush port at bottom). This helps the filtration system work at its optimum. As water enters the filter housing, a high velocity centrifugal action occurs, spiraling heavier particles (sediment, scale, etc.) away from the disc cartridge, down to the base of the filter. These accumulated particles are then flushed from the filter via the 3/4" flush port connection at the base of the filter (valve not included).
THE BODY
The body contains one inlet and two outlets, allowing the filter to be installed at either 90 or 180-degrees. A threaded cap is supplied with the filter to terminate the outlet port not being used. Inlet/outlet connections are available in NPT or Victaulic. The body contains inlet and outlet pressure gauge ports (gauges not included). The gauges monitor the pressure differential across the filter disc which determines when the disc cartridge needs to be removed for maintenance.
THE CLOSURE
Manufactured in Type 316 Stainless Steel, the quick-release clamp assembly is strong and reliable. No tools are necessary to remove the clamp and filter cover when maintenance is required.
THE DISC
The three-dimensional disc is ideal for filtering hard particles (such as sediment and scale) and soft fibrous material (such as algae, bugs, cottonwood seed, etc.). The color-coded dics are available in a variety of micron sizes (50, 100, 130, 200-Micron).
THE LID
The lid is injection-molded, using an incredibly strong polyamide material. The centrifugal action, created by the Helix Element, spirals heavier particles down to the base of the filter. The particles are then flushed, either manually or automatically, from the 3/4" flush port at the lowest point in the lid.
UNIQUE FEATURES
Centrifugal Cleaning Action Minimizes Maintenance
Large Disc Surface Area, with Three-Dimensional Depth
Particles Can Be Flushed While Filter Is In Operation
Several Color-Coded Disc Options Available
Durable, Corrosion-Resistant, Injection Molded Housing
Easily Removable, Quick Clamp Lid Assembly
Pressure Gauge Ports Molded Into Housing
Mounting Bracket (sold separately)
HOW IT WORKS
Dirty Water Enters the Filter Housing Through the Inlet Connection
As Dirty Water Passes Through the Helix-Element, the Water Starts to Spin at High Velocity. This Centrifugal Action Spins the Particles Away From the disc media, Minimizing Manual Cleaning Frequency.
As Particles Are Spun Down to the Base of the Filter, They are Flushed Via the 3/4" Female Threaded Flush Port Connection.
The Dirty Water Passes From the Outside to the Inside of the disc. The grooves, molded into the surface of the three-dimensional discs, trap the remaining contaminants in the water. li>
After Passing Through the discs, the Filtered Water Flows Upward and Exits the Filter Through One of the Outlets. The Outlet Not Being Used is Terminated With a Threaded Cap.
TECHNICAL DATA
Flow Rates and Pressure Loss for a Single Filter Housing
2"/100 GPM Max.* @ 3.5 PSI Loss
2" Super/100 GPM Max.* @ 3 PSI Loss
3"/200 GPM Max.* @ 5 PSI Loss
Multiple pods are manifolded for higher flow rates
* Maximum flow rates should be derated for
high solids loading, particularly for finer
mesh sizes.
Pressure Rating
All Units Rated to 125 PSI
Temperature Rating
All Units Rated to 140° F
Inlet/Outlet Configurations
2" and 3" Models Available with NPT and/or
Victaulic Inlet/Outlet Connections
In-line and 90 Degree Configurations Standard
(Filter is supplied with a cap for outlet port not being used)
Construction Materials
Housing: Polyamide
Disc: Polypropylene
Gaskets: EPDM
Filter Pod Clamp: Stainless Steel (Type 316)
Micron Options Available
200 Micron (80 Mesh)
130 Micron (150 Mesh)
100 Micron (120 Mesh)
50 Micron (270 Mesh)
The HD-2NA is a regular model with 2" npt inlet and outlet with a 186 sq in filter surface area. It is rated for 125spi at 100gpm maximum flow.
 | | Model Number: | Unit Price | 1.800.752.0556 | | HD-2NA | Call For Quote | Request a Quote | |
Product Info - Inlet Size: 2" npt
- Outlet Size: 2" npt
- Range: 100 gpm
- Minimum Order Quantity: 1
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