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Circulating Screen
Screenguard
19000 Steel Series
Spin Clean
Orival
Thomas Strainer

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Netafim - Circulating Screen Filters

 The water enters the filter through a plate with four or six angular holes, directing the flow in a circular pattern along the length of the filter element. The water flows through the element screen openings while solid particles are collected at the lower section of the filter. These particles can be easily removed by opening the drain valve for a short period of time. The filters are supplied with 4-6 plugs enabling the use to adjust the number of holes to suit the filtering flow rate.

Applications:

• Well water containing small quantities of sand (< 3ppm)

Specifications:

• Recommended Head Loss: 4.5-7.5 psi
• Max Operating Pressure: 120 psi
• Max Pressure: 150 psi
• Circulation Plate: 6 directional holes and rubber stoppers for precise flow rate adjustment for 2, 3, 4, and 6 in. sizes (4 directional holes for 8 in. size)
• 2, 3, 4, and 6 in. end connections: Grooved
• 8 in. end connections: Flanged
• Screen Mesh Sizes: 080, 120, 150, 200
• Screen Thickness: 0.9 mm

Product Advantages:

• Maintains water flow without increased pressure loss
• Automatically removes residue from screen during filtration
• Adjusts to system's actual flow rate for effective filtration and trouble-free operation
• Filter element is a perforated PVC cylinder with a highly durable stainless-steel screen and dome shaped sedimentation tank
• Maximum anti-corrosion protection with a carbon steel epoxy coated filter body
• Optional automatic flush valve and timer available
• Large filtration area for maximum cleaning

 

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Netafim - ScreenGuard(TM)  Automatic Screen Filters

A coarse screen protects the finer screen from large particles and it can be periodically cleaned manually. Automatic flushing of the fine screen is activated once the pressure differential in the filter reaches a pre-determined value. During the flushing cycle, the backflush valve opens, pressure is released from the piston and debris laden water is discharged through the backflush valve. Pressure in the hydraulic  motor chamber and the dirt collector is significantly lowered causing the dirt collection nozzles to move along and rotate cleaning the whole internal screen surface. The flushing cycle takes 5 seconds. The backflush valve closes at the end of the cycle, pressure is reapplied, moving the nozzles back to their resting position and the filter is cleaned. During the whole process, water supply is uninterrupted.

Applications:

• Primary filtration for good quality well water with no organic matter
• Protects row and permanent crops from inorganic materials

Specifications:

• Min Operating Pressure: 30 psi
• Max Operating Pressure: 150 psi
• Max Water Temperature: 149 F (65 C)
• End Connections: Flanged
• Screen Mesh Sizes: 080, 120, 150, 200
• Sizes: 4, 6, 8, and 10 in.
• Control Voltage DC Latching
• Filter Housing: baked epoxy, carbon steel coated

 
Product Advantages:

• Ease of maintenance due to quick access to internal components and simple disassembly
• Proven and robust control structure included at no additional cost
• High quality construction and durability backed by the world's most trusted irrigation manufacturer
• 3-Layer, 316 stainless steel screen technology provides long life and high performance under even the most demanding conditions
• Externally mounted backflush valve for easy serviceability

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Netafim - 19000 Series Stainless Steel

Applications:

• Primary Filtration for well water
• Back-up filter for sand media filter batteries, sand separators and secondary filters next to each zone

Specifications:

• Screen Mesh Sizes: 080, 120, 150, and 200
• Sizes: 3, 4, 6, 8, 10 in.
• Filter Connections: Flanged

 
Product Advantages:

• Easy installation with flanged connections
• Angle configuration design eliminates the use of extra fittings
• Durable stainless steel wire mesh screen - supported by a PVC perforated element
• Manually purge the filter with ball valve installed in the cover plate
• Cover is easily removed for servicing and cleaning

 


 

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JAIN- Spin Clean

Plastic Spin-Clean® Filters unique screen filters that stay clean during operation. They effectively keep debris moving across the screen element towards the basin, where it is collected and can be drained to atmosphere.

Features:

• No moving parts
• Unique Spin Clean® action keeps the screen clean during operation 
• Engineered plastic construction is light in weight and resistant to corrosion and injected chemicals
• Two-piece threaded housing with O-ring seal for easy screen access and maintenance
• Pressure ratings of 80 psi and 150 psi available in 3/4" and 1" models, 150 psi rating for 1 1/2", 2" and 5E-40-1 1/2" models.
• Stong stainless steel screen elements available in 30, 50, 100, 150 (standard) and 200 mesh
• Vinyl screen collars prevent debris from by-passing filter area
• Available with vall valve for flushing devris basin
• Only 5-8 psi pressure loss required across filter to ensure best self-cleaning action

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Orival Screen Filters

The ORG Series are designed to provide efficient, reliable filtration while reducing the amount of backwash water required. This low water consumption makes it the ideal unit for a wide variety of applications. These filters have been used by JNM Technologies for large agricultural and industrial projects.

Features:

• Uses less water than conventional self-cleaning filters
• Available in sizes from 1 1/2" to 10"
• Multiple screen pattern options
• Few moving parts meaning low mechanical maintenance
• High- and low-pressure operation

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Miller Leaman - Thompson Strainer

• High Quality Stainless Steel
• Industry’s Lowest pressure Loss (less than 1-PSI at maximum flow, when clean)
• Unique patented, Low Maintenance Design
• Space Saving profile
• Flushes Debris While Strainer is in Service
• Accommodates a Wide Range of Flow Rates with Several Mesh/Micron Options Available
• Optional Instrumentation packages Available
• Reduces Capital Costs

Housing (all models):

• T304 Stainless Steel
• T316 Stainless Steel Available by Special Order

Filter Elements:

• Screen Frames: T304 Stainless Steel
• Screen Mesh: T316 Stainless Steel
• Perforated Sheet Metal: T304 Stainless Steel

Internal piping:

• 2" and 3" Models Use a Type 304 Stainless Steel Riser pipe
• 4" through 10" Models Use a PVC Elbow and Riser Pipe Assembly
• CPVC is Available by Special Order
• Stainless Steel is Also Available by Special Order

Gaskets:

• EPDM is Standard, Other Compounds are Available by Special Order
• Gaskets Include: Head Gasket, Disk Gasket and Filter Gasket (bottom gasket)

Lid Enclosure—Nut/Bolt Washer Assembly (bolted lid models only):

• Bolt, Washer and Nut: Grade 5

Band Clamp Assembly (clamped lid models only):

• Clamp and Handle: T304 Stainless Steel

Gauge Ports All Models:

• 1/4" FNPT T304 Stainless Steel Inlet & Outlet Gauge ports are Standard (gauges not included)

Thompson Strainer Quick Reference Chart