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ARMSTRONGStandard Flanges

ARMSTRONG Flange: 2 1/2 in, 805189-621k, 2 1/2 in NPT, Flange

The ARMSTRONG Standard Flanges (SKU 3G-OTH-83547) are a set of two flanges with a 2 1/2 in NPT connection, constructed with a stainless steel body and EPDM gasket material. This product is compatible with the…

SKU 3G-OTH-83547

Also listed as: 805189621k · 805189 621k

Brand
ARMSTRONG
Item
Flange: 2 1/2 in, 805189-621k, 2 1/2 in NPT, Flange
Category
Standard Flanges
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ARMSTRONG
Manufacturer Part Number
805189-621k
Type
805189-621k, Flange
NPT
2 1/2 in
Includes
Flanges
Body Material
Stainless Steel
Gasket Material
EPDM
Flanges Included
2
Compatible with Manufacturer Model Number
S-45

Technical Documents

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

Product Description

The ARMSTRONG Standard Flanges (SKU 3G-OTH-83547) are a set of two flanges with a 2 1/2 in NPT connection, constructed with a stainless steel body and EPDM gasket material. This product is compatible with the ARMSTRONG S-45 model and includes the flanges as specified by manufacturer part number 805189-621k.

Frequently Asked Questions

What is the ARMSTRONG 805189-621k flange used for?

The ARMSTRONG 805189-621k flange is used to connect piping in industrial fluid systems, specifically with the ARMSTRONG S-45 model. Its stainless steel body and EPDM gasket provide corrosion resistance and sealing for water or steam applications.

What are the specifications of the ARMSTRONG 805189-621k flange?

The ARMSTRONG 805189-621k flange set includes two flanges with a 2 1/2 in NPT connection. The body is stainless steel, the gasket is EPDM, and it is compatible with the ARMSTRONG S-45 model. The manufacturer part number is 805189-621k.

Where to buy ARMSTRONG 805189-621k flanges worldwide?

You can source ARMSTRONG 805189-621k flanges through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring compliance and timely arrival for your project.

How to install ARMSTRONG 805189-621k flanges?

To install ARMSTRONG 805189-621k flanges, align the flanges with the mating pipe, insert the EPDM gasket between them, and tighten bolts evenly in a cross pattern to the manufacturer's torque specification. Ensure the NPT threads are clean and sealed with appropriate thread sealant.

Used in

Common applications for ARMSTRONG
Hydronic heating systems — ARMSTRONG general-purpose inline circulator pump 182202-657 for potable water circulation
Pump motor replacement — ARMSTRONG pump motor 817025-007 for S&H 4-Series circulator pumps
Flange installation on E32.2HT pumps — ARMSTRONG flange hardware kit 810120-353K with steel bolts and rubber gaskets
Bearing replacement in H-32 series pumps — ARMSTRONG bearing assembly 816549MF-091 for in-line circulating pumps
Piping system connections — ARMSTRONG standard flanges 806074-621k for H-6 6 model with stainless steel and EPDM
Retrofit of pump flanges — ARMSTRONG flange 561100LF-001 for ASTRO EXPRESS 2 SYSTEM union-type connections

ARMSTRONG Products

3G Electric supplies ARMSTRONG 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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