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MUELLER STEAM SPECIALTY Double Disc Check Valve: Double Disc, Inline Valve Body, 8 in Pipe Size - 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, 8 in Pipe Size

The MUELLER STEAM SPECIALTY Double Disc Check Valve is a cast iron double-door wafer check valve with an inline valve body, Std type, designed for 8 in pipe size (MPN 8 71AHB3H). 3G Electric interprets your demand…

SKU 3G-OTH-431324

Also listed as: 871AHB3H · 8-71AHB3H

Brand
MUELLER STEAM SPECIALTY
Item
Double Disc Check Valve: Double Disc, Inline Valve Body, 8 in Pipe Size
Category
Cast Iron Double-Door Wafer Check Valves
Available to Order
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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

MUELLER STEAM SPECIALTY
Manufacturer Part Number
8 71AHB3H
Type
Inline Valve Body, Std
Pipe Size
8 in

Technical Documents

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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, Std type, designed for 8 in pipe size (MPN 8 71AHB3H). 3G Electric interprets your demand for this OEM-specified valve, sourcing it across our 14 industrial departments and backing it with specialist expertise in combustion, pumps, and controls.

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 industrial fluids. Its inline wafer design installs between flanges, making it suitable for HVAC, process piping, and boiler applications where reliable flow control is critical.

What are the specifications of the MUELLER STEAM SPECIALTY 8 71AHB3H?

This MUELLER STEAM SPECIALTY double disc check valve has an 8 in pipe size, inline cast iron body, and standard trim. It is a wafer-style valve designed for bidirectional flow prevention in steam and fluid systems. The MPN is 8 71AHB3H.

Where to buy a MUELLER STEAM SPECIALTY double disc check valve worldwide?

3G Electric supplies MUELLER STEAM SPECIALTY double disc check valves worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 8 71AHB3H or other sizes.

How to install a MUELLER STEAM SPECIALTY wafer check valve?

Install the wafer check valve between two flanges with proper gaskets, ensuring the flow arrow aligns with pipeline direction. Tighten bolts evenly to avoid distortion. For steam systems, follow ASME B31.1 piping code. Always consult the manufacturer's installation manual for torque values.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MUELLER STEAM SPECIALTY Y Strainer: 2 in, Flanged, Perforated, 0.062 in Screen Size, Cast Iron (MPN 2 77F-DI-125)
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MUELLER STEAM SPECIALTY Y Strainer: 2 in, Flanged, Perforated, 0.062 in Screen Size, Cast Iron (MPN 2 77F-DI-125)
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 1/2 in (MPN 11/2 125 CI Iron body screwed)
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MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 1/2 in (MPN 11/2 125 CI Iron body screwed)
This cast iron basket strainer is used to remove debris from water pipelines, protecting downstream equipment. It features a 304 stainless steel screen with 0.062 in openings, a Buna-N gasket, and a single 3/4 in NPT connection. Suitable for water applications in industrial and commercial systems
MUELLER STEAM SPECIALTY
This cast iron basket strainer is used to remove debris from water pipelines, protecting downstream equipment. It features a 304 stainless steel screen with 0.062 in openings, a Buna-N gasket, and a single 3/4 in NPT connection. Suitable for water applications in industrial and commercial systems
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 1/2 in (MPN 11/4 125 CI Iron body screwed)
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MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 1/2 in (MPN 11/4 125 CI Iron body screwed)
MUELLER STEAM SPECIALTY Y Strainer: 2 1/2 in, Flanged, Perforated, 0.062 in Screen Size, Cast Iron (MPN 21/2 758N Iron Body flanged)
MUELLER STEAM SPECIALTY
MUELLER STEAM SPECIALTY Y Strainer: 2 1/2 in, Flanged, Perforated, 0.062 in Screen Size, Cast Iron (MPN 21/2 758N Iron Body flanged)
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 3/4 in (MPN 3 155M-N Iron body flanged)
MUELLER STEAM SPECIALTY
MUELLER STEAM SPECIALTY Basket Strainer: Cast Iron, 0.062 in Screen Size, Single, NPT, 3/4 in (MPN 3 155M-N Iron body flanged)

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This MUELLER STEAM SPECIALTY check valve is a cast iron double-door wafer type with a 4 in pipe size and inline valve body, standard pressure rating. It prevents backflow in piping systems carrying steam, water, or other fluids. Typical applications include industrial steam, HVAC, and process systems where flow direction control is required
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