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MUELLER STEAM SPECIALTY 1/2 in NPT Stainless Steel Y Strainer - Stainless Steel Y Strainers
MUELLER STEAM SPECIALTYStainless Steel Y Strainers

MUELLER STEAM SPECIALTY 1/2 in NPT Stainless Steel Y Strainer

The MUELLER STEAM SPECIALTY Y Strainer is a stainless steel Y strainer with a 1/2 in NPT connection and a perforated 304 stainless steel screen with a 0.062 in screen size. This model, identified by manufacturer part…

SKU 3G-OTH-448577

Also listed as: 12581SSscrewedend · 1 2 581 SS screwed end · 1-2-581-SS-screwed-end

Brand
MUELLER STEAM SPECIALTY
Item
1/2 in NPT Stainless Steel Y Strainer
Part Number
1/2 581-SS screwed end
Category
Stainless Steel Y Strainers
Available to Order
Also known as:1/2 581-SS screwed endMUELLER STEAM SPECIALTY
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Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

MUELLER STEAM SPECIALTY
Manufacturer Part Number
1/2 581-SS screwed end
Series
581
Type
NPT, Perforated, Stainless Steel
Length
3 in
Pipe Size
1/2 in
Class
600
Height
4-3/8 in
UNSPSC
40142501
Standards
ASSE; CSA; FM; NSF; UL; ULC; USC; WQA
Screen Area
0.06 sq in
Screen Size
0.062 in
Catalog Page
N/A
Blow Off Port
1/4 in
Port 1 Gender
Female
Port 2 Gender
Female
Strainer Type
Perforated
Includes Screen
Screen Included
Screen Material
304 Stainless Steel
Compatible Media
Steam; Water
Housing Material
Stainless Steel
Country of Origin
China (subject to change)
Perforated Screen Size
0.062 in
Port 1 Connection Size
1/2 in
Port 1 Connection Type
NPT
Port 2 Connection Size
1/2 in
Port 2 Connection Type
NPT
Port 3 Connection Size
1/4 in
Port 3 Connection Type
NPT
Max. Operating Temperature
100 °F

Technical Documents

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MUELLER STEAM SPECIALTY Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MUELLER STEAM SPECIALTY Y Strainer is a stainless steel Y strainer with a 1/2 in NPT connection and a perforated 304 stainless steel screen with a 0.062 in screen size. This model, identified by manufacturer part number 1/2 581-SS screwed end, is designed for inline filtration in industrial piping systems.

Frequently Asked Questions

What is the MUELLER STEAM SPECIALTY Y Strainer used for?

This Y strainer is used for inline filtration in industrial piping systems, removing debris from steam, water, or other fluids to protect downstream equipment like valves and pumps.

What are the specifications of the MUELLER STEAM SPECIALTY Y Strainer?

This Y strainer has a 1/2 in NPT connection, a perforated 304 stainless steel screen with a 0.062 in screen size, and is identified by MPN 1/2 581-SS screwed end. It is designed for inline filtration in industrial piping systems.

Where to buy the MUELLER STEAM SPECIALTY Y Strainer worldwide?

3G Electric supplies the MUELLER STEAM SPECIALTY Y Strainer worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a MUELLER STEAM SPECIALTY Y Strainer?

Install the Y strainer with the screen facing downward to catch debris. Ensure flow direction matches the arrow on the body. Use thread sealant on NPT connections and tighten to standard torque. Always follow local piping codes.

Used in

Common applications for MUELLER STEAM SPECIALTY
Steam distribution systems — Carbon steel Y strainer (e.g., 2 1/2 in flanged, 304 SS screen) removes debris to protect steam traps and control valves.
Fuel oil handling — Stainless steel basket strainer (3/4 in NPT, 304 SS screen, fluoroelastomer gasket) filters fuel oil to safeguard burners and pumps.
Condensate return lines — Cast iron double-door wafer check valve (2 1/2 in to 8 in) prevents backflow and reduces water hammer in condensate piping.
Process water piping — Cast iron double-door wafer check valve (inline body, standard trim) maintains unidirectional flow in water systems.
General industrial fluid lines — Y strainers and basket strainers in carbon steel or stainless steel remove particulate matter from non-corrosive fluids.
Pump discharge protection — Double-door wafer check valve (cast iron, wafer style) installed between flanges to prevent reverse flow and protect pumps.
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MUELLER STEAM SPECIALTY Products

3G Electric supplies MUELLER STEAM SPECIALTY stainless steel y strainers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This Y strainer has a 1-1/4 in NPT connection and a perforated screen made of 304 Stainless Steel with 0.062 in openings. The stainless steel body and screen are suited for inline filtration in industrial piping systems to remove debris from steam, water, or other process fluids, protecting downstream equipment
MUELLER STEAM SPECIALTY
This Y strainer has a 1-1/4 in NPT connection and a perforated screen made of 304 Stainless Steel with 0.062 in openings. The stainless steel body and screen are suited for inline filtration in industrial piping systems to remove debris from steam, water, or other process fluids, protecting downstream equipment
This Y strainer features a 1/4 in NPT threaded connection and a perforated screen made of 304 Stainless Steel with 0.062 in openings. It is used to filter debris from steam, water, or other fluid systems in industrial piping, protecting downstream equipment such as valves and pumps
MUELLER STEAM SPECIALTY
This Y strainer features a 1/4 in NPT threaded connection and a perforated screen made of 304 Stainless Steel with 0.062 in openings. It is used to filter debris from steam, water, or other fluid systems in industrial piping, protecting downstream equipment such as valves and pumps

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