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MUELLER STEAM SPECIALTY Double Disc Check Valve: Double Disc, Inline Valve Body, 5 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, 5 in Pipe Size

SKU 3G-OTH-431318

Brand
MUELLER STEAM SPECIALTY
Item
Double Disc Check Valve: Double Disc, Inline Valve Body, 5 in Pipe Size
Category
Cast Iron Double-Door Wafer Check Valves
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Technical Specifications

MUELLER STEAM SPECIALTY
Manufacturer Part Number
5 71AHB3H
Type
Inline Valve Body, Std
Pipe Size
5 in
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Technical Documents

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

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 body installs between flanges, making it suitable for HVAC, boiler feed, and process lines where reliable flow control is critical.

What are the specifications of the MUELLER STEAM SPECIALTY 5 71AHB3H check valve?

This MUELLER STEAM SPECIALTY double disc check valve has a 5 in pipe size, inline wafer body, and cast iron construction. The manufacturer part number is 5 71AHB3H. It is designed for standard pressure applications in steam and fluid systems.

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

3G Electric supplies and delivers MUELLER STEAM SPECIALTY double disc check valves worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time on this 5 in model.

How to install a double disc wafer check valve?

Install the valve between two flanges with the flow arrow aligned to pipe direction. Ensure gaskets are seated on both sides and bolts are torqued evenly to manufacturer specifications. Do not use the valve to support pipe weight. Always verify disc movement is unobstructed.

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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MUELLER STEAM SPECIALTY Y Strainer: 2 in, Flanged, Perforated, 0.062 in Screen Size, Cast Iron (MPN 2 77F-DI-125). Key specifications — Brand: MUELLER STEAM SPECIALTY; Seal Material: Graphite; Manufacturer Part Number: 2 77F-DI-125; Screen Material: 304 Stainless Steel.
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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). Key specifications — Brand: MUELLER STEAM SPECIALTY; Seal Material: Graphite; Manufacturer Part Number: 2 77F-DI-125; Screen Material: 304 Stainless Steel.
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