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ARMSTRONG 810120-223 Bronze Union Set, 1/2 in FNPT x 1 1/4 in NPSM - Unions
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ARMSTRONG 810120-223 Bronze Union Set, 1/2 in FNPT x 1 1/4 in NPSM

The ARMSTRONG Union Set: 1/2 in is a bronze union designed for use with the ASTRO 220SSU pump. It includes a flange and features a 1/2 in FNPT connection with a 1 1/4 in NPSM pump connection type. The body is made of…

SKU 3G-OTH-81488

Also listed as: 810120223 · 810120 223

Brand
ARMSTRONG
Item
810120-223 Bronze Union Set, 1/2 in FNPT x 1 1/4 in NPSM
Part Number
810120-223
Category
Unions
Available to Order
Also known as:810120-223ARMSTRONG
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

ARMSTRONG
Manufacturer Part Number
810120-223
Type
810120-223, For NPSM Pump Connection Type
FNPT
1/2 in
NPSM
1 1/4 in
Includes
Flange
Body Material
Bronze
Gasket Material
EPDM
Compatible with Manufacturer Model Number
ASTRO 220SSU

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

Product Description

The ARMSTRONG Union Set: 1/2 in is a bronze union designed for use with the ASTRO 220SSU pump. It includes a flange and features a 1/2 in FNPT connection with a 1 1/4 in NPSM pump connection type. The body is made of bronze, and the gasket is constructed from EPDM material.

Frequently Asked Questions

What is the ARMSTRONG Union Set 810120-223 used for?

The ARMSTRONG Union Set 810120-223 is a bronze union designed to connect piping to an ASTRO 220SSU pump. It includes a flange and uses a 1/2 in FNPT connection with a 1 1/4 in NPSM pump connection, making it suitable for industrial fluid-handling systems.

What are the specifications of the ARMSTRONG Union Set 810120-223?

The ARMSTRONG Union Set 810120-223 has a 1/2 in FNPT connection and a 1 1/4 in NPSM pump connection. It includes a flange, with a bronze body and an EPDM gasket. It is compatible with the ASTRO 220SSU pump and carries manufacturer part number 810120-223.

Where to buy the ARMSTRONG Union Set 810120-223 worldwide?

3G Electric supplies the ARMSTRONG Union Set 810120-223 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this bronze union set to your facility, ensuring compliance with international shipping requirements.

How to install the ARMSTRONG Union Set 810120-223?

To install the ARMSTRONG Union Set 810120-223, first ensure the pump and piping are clean. Align the 1/2 in FNPT connection with the pipe thread and the 1 1/4 in NPSM side with the pump. Tighten the union nut by hand, then use a wrench for final seating. Avoid over-tightening to prevent damage to the EPDM gasket.

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
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ARMSTRONG Products

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

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