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MUELLER STEAM SPECIALTY Double Disc Check Valve: Double Disc, Inline Valve Body - Cast Iron Double-Door Wafer Check Valves
MUELLER STEAM SPECIALTYCast Iron Double-Door Wafer Check Valves

MUELLER STEAM SPECIALTY Double Disc Check Valve: Double Disc, Inline Valve Body

The MUELLER STEAM SPECIALTY Double Disc Check Valve is a cast iron double-door wafer check valve with an inline valve body and a 2 1/2 in pipe size (MPN 21/2 71AHB3H). This product is part of our broad industrial…

SKU 3G-OTH-431309

Brand
MUELLER STEAM SPECIALTY
Item
Double Disc Check Valve: Double Disc, Inline Valve Body
Category
Cast Iron Double-Door Wafer Check Valves
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Technical Specifications

MUELLER STEAM SPECIALTY
Manufacturer Part Number
21/2 71AHB3H
Type
Inline Valve Body
Pipe Size
2 1/2 in
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MUELLER STEAM SPECIALTY Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MUELLER STEAM SPECIALTY Double Disc Check Valve is a cast iron double-door wafer check valve with an inline valve body and a 2 1/2 in pipe size (MPN 21/2 71AHB3H). This product is part of our broad industrial supply across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is a MUELLER STEAM SPECIALTY Double Disc Check Valve used for?

This double disc check valve prevents backflow in piping systems handling steam, water, or other non-corrosive fluids. It is commonly used in industrial steam, HVAC, and process applications where reliable flow control and minimal pressure drop are required.

What are the specifications of the MUELLER STEAM SPECIALTY Double Disc Check Valve?

This valve is a cast iron double-door wafer check valve with a 2 1/2 inch pipe size and an inline valve body. The manufacturer part number is 21/2 71AHB3H. It is designed for horizontal or vertical installation and handles steam and water service.

Where to buy MUELLER STEAM SPECIALTY Double Disc Check Valve worldwide?

3G Electric supplies this MUELLER STEAM SPECIALTY double disc check valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a MUELLER STEAM SPECIALTY Double Disc Check Valve?

Install this valve between flanges with the flow arrow aligned to pipeline flow. Ensure gaskets are properly seated and bolts are torqued evenly. For vertical lines, confirm the disc hinge orientation allows free movement. Follow standard piping best practices for steam or water service.

Used in

Common applications for MUELLER STEAM SPECIALTY
Steam systems — Mueller Steam Specialty cast iron Y strainers (e.g., 2 758N) protect steam traps and control valves from pipe scale and debris.
Water treatment — Mueller Steam Specialty basket strainers (e.g., 3 155M-N) filter particulates in cooling water and process water lines.
Chemical processing — Mueller Steam Specialty stainless steel Y strainers (e.g., 6 782 SS) handle corrosive fluids in chemical transfer systems.
Petroleum refining — Mueller Steam Specialty carbon steel Y strainers (e.g., 2 582 CS) remove solids from hydrocarbon pipelines before pumps.
HVAC systems — Mueller Steam Specialty cast iron basket strainers (e.g., 6 125F) protect chillers and heat exchangers in building water loops.
Marine applications — Mueller Steam Specialty stainless steel duplex strainers (e.g., 2 792S-HH) provide continuous filtration in seawater cooling systems.

MUELLER STEAM SPECIALTY Products

3G Electric supplies MUELLER STEAM SPECIALTY cast iron double-door wafer check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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