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Grundfos Cast Iron Packaged Flange Set: 3 in, 91584912, 3 in NPT, Flange - Standard Flanges
GrundfosStandard Flanges

Grundfos Cast Iron Packaged Flange Set: 3 in, 91584912, 3 in NPT, Flange

The GRUNDFOS Cast Iron Packaged Flange Set (SKU 856AA4) is a standard flange set with a 3-inch NPT connection, ANSI Class 150 rating, and a cast iron body. It includes two gaskets made of aramid fiber/NBR…

SKU 3G-OTH-83294

Brand
Grundfos
Item
Cast Iron Packaged Flange Set: 3 in, 91584912, 3 in NPT, Flange
Category
Standard Flanges
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Technical Specifications

Grundfos
Manufacturer Part Number
91584912
Type
91584912, Flange, ANSI Class Class 150
NPT
3 in
Includes
(2) Gaskets
Body Material
Cast Iron
Gasket Material
Aramid Fiber/NBR
ANSI Flange Class
Class 150
View Full Spec Sheet

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

Product Description

The GRUNDFOS Cast Iron Packaged Flange Set (SKU 856AA4) is a standard flange set with a 3-inch NPT connection, ANSI Class 150 rating, and a cast iron body. It includes two gaskets made of aramid fiber/NBR (manufacturer part number 91584912).

Frequently Asked Questions

What is the Grundfos Cast Iron Packaged Flange Set used for?

This flange set is used to connect pipes and equipment in industrial water and fluid handling systems. It provides a leak-tight joint for ANSI Class 150 applications, commonly found in pumping stations, HVAC, and process plants. The set includes two aramid fiber/NBR gaskets for reliable sealing.

What are the specifications of the Grundfos 91584912 flange set?

The Grundfos 91584912 is a 3-inch NPT standard flange set with an ANSI Class 150 rating. It has a cast iron body and includes two gaskets made of aramid fiber/NBR. The manufacturer part number is 91584912, and the SKU is 856AA4. It is designed for industrial piping connections.

Where to buy Grundfos flange set 91584912 worldwide?

You can source the Grundfos 91584912 flange set from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time. We supply genuine Grundfos components for your projects.

How to install the Grundfos cast iron flange set?

To install, align the flanges and insert the aramid fiber/NBR gaskets between them. Tighten bolts evenly in a cross-pattern to the torque specified for ANSI Class 150 flanges. Ensure the mating surfaces are clean and free of debris. Always follow standard piping practices for leak-free operation.

Used in

Common applications for Grundfos
HVAC — Grundfos SI-30 condensate pump for air-conditioning installations up to 20 kW capacity
Industrial heating — GPS130NW pressure and suction units in oil burner fuel-supply circuits
Equipment maintenance — SUNP0400 charging and washing pump for descaling boilers and industrial equipment
Fuel accounting — VZO15 and VZO20 oil meters for flow measurement and consumption monitoring in oil-supply systems
Closed-loop heating systems — Double-acting expansion tank pump for pressure regulation and thermal stability
Building services — Grundfos pump range supporting HVAC, domestic heating, and pressure-boosting applications

Grundfos Products

3G Electric supplies Grundfos standard flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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