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Watts Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, Flanged, 5 3/4 in - Cast Iron Basket Strainers
WattsCast Iron Basket Strainers

Watts Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, Flanged, 5 3/4 in

The WATTS Basket Strainer is a cast iron basket strainer designed for water applications. It features a single, flanged design with a 0.062 in screen size made from 304 Stainless Steel and a Buna-N gasket material…

SKU 3G-OTH-443562

Also listed as: 4125F · 4-125F

Brand
Watts
Item
Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, Flanged, 5 3/4 in
Category
Cast Iron Basket Strainers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
4 125F
Type
Single, Flanged, 5 3/4 in
Ht
21 5/8 in
Screen Size
0.062 in
Gasket Material
Buna-N
Screen Material
304 Stainless Steel
Compatible Product Type
Water

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Basket Strainer is a cast iron basket strainer designed for water applications. It features a single, flanged design with a 0.062 in screen size made from 304 Stainless Steel and a Buna-N gasket material. The unit has dimensions of 5 3/4 in and a height of 21 5/8 in, with manufacturer part number 4 125F.

Frequently Asked Questions

What is a Watts basket strainer used for?

A Watts basket strainer is used to remove debris from water in industrial piping systems. It protects downstream equipment like pumps and valves by trapping particles in its 304 stainless steel screen. This cast iron, flanged model is suitable for water applications requiring reliable filtration.

What are the specifications of the Watts basket strainer 4 125F?

The Watts basket strainer 4 125F is a single, flanged cast iron unit with a 0.062 in screen size made of 304 stainless steel. It has a Buna-N gasket, height of 21 5/8 in, and is designed for water. The manufacturer part number is 4 125F.

Where to buy a Watts basket strainer worldwide?

3G Electric supplies the Watts basket strainer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this cast iron basket strainer to your facility. Contact us for availability and lead time on this model.

How to install a Watts basket strainer?

Install the Watts basket strainer with the flow arrow aligned to pipe direction. Use proper gasket sealing on flanged connections and ensure the screen is clean before startup. Regularly inspect and clean the 304 stainless steel screen to maintain performance in water systems.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts cast iron basket strainers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This Watts duplex basket strainer is constructed with a 304 stainless steel screen and a fluoroelastomer gasket. It features a 0.062 in screen size and 1 1/4 in NPT connections, with an overall height of 11 1/8 in. Designed for water applications, the dual-basket configuration allows continuous operation by enabling one basket to be cleaned while the other remains in service
Watts
This Watts duplex basket strainer is constructed with a 304 stainless steel screen and a fluoroelastomer gasket. It features a 0.062 in screen size and 1 1/4 in NPT connections, with an overall height of 11 1/8 in. Designed for water applications, the dual-basket configuration allows continuous operation by enabling one basket to be cleaned while the other remains in service
WATTS Inline Strainer: Copper Silicon Alloy, 1/4 in, NPT, Mesh, 0.025 in Screen Size, 2 7/8 in Ht (MPN 1/4 LF27)
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WATTS Inline Strainer: Copper Silicon Alloy, 1/4 in, NPT, Mesh, 0.025 in Screen Size, 2 7/8 in Ht (MPN 1/4 LF27)
WATTS Inline Strainer: Copper Silicon Alloy, 1/8 in, NPT, Mesh, 0.025 in Screen Size, 1 1/2 in Ht (MPN 1/8 LF27)
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WATTS Inline Strainer: Copper Silicon Alloy, 1/8 in, NPT, Mesh, 0.025 in Screen Size, 1 1/2 in Ht (MPN 1/8 LF27)
This inline strainer features a copper silicon alloy body with a 304 stainless steel screen (0.025 in mesh) and EPDM seal. It has 1/2 in NPT connections and a height of 2 5/8 in. Used in liquid pipelines to remove debris and protect downstream equipment such as valves, pumps, and meters
Watts
This inline strainer features a copper silicon alloy body with a 304 stainless steel screen (0.025 in mesh) and EPDM seal. It has 1/2 in NPT connections and a height of 2 5/8 in. Used in liquid pipelines to remove debris and protect downstream equipment such as valves, pumps, and meters
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.125 in Screen Size, Single, NPT, 8 1/4 in (MPN 6 125F)
MUELLER STEAM SPECIALTY
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.125 in Screen Size, Single, NPT, 8 1/4 in (MPN 6 125F)
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 4 1/2 in (MPN 3 125F)
MUELLER STEAM SPECIALTY
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 4 1/2 in (MPN 3 125F)

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WATTS Basket Strainer: Cast Iron, 0.062 in Screen Size, Dual, NPT, 1 1/4 in, 11 1/8 in Ht (MPN 11/2 791F-AH CI Duplex Strainer Flgd)
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