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ARMSTRONGStandard Flanges

ARMSTRONG Flange: 1 1/2 in, 816009-721k, 1 1/2 in NPT, Flange

The ARMSTRONG Standard Flange (SKU 3G-OTH-83589) is a 1 1/2 in NPT flange set, supplied as two flanges with EPDM gaskets. Its stainless steel body and compatibility with the ARMSTRONG H-53 model make it suitable for…

SKU 3G-OTH-83589

Also listed as: 816009721k · 816009 721k

Brand
ARMSTRONG
Item
Flange: 1 1/2 in, 816009-721k, 1 1/2 in NPT, Flange
Category
Standard Flanges
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARMSTRONG
Manufacturer Part Number
816009-721k
Type
816009-721k, Flange
NPT
1 1/2 in
Includes
Flanges
Body Material
Stainless Steel
Gasket Material
EPDM
Flanges Included
2
Compatible with Manufacturer Model Number
H-53

Technical Documents

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

Product Description

The ARMSTRONG Standard Flange (SKU 3G-OTH-83589) is a 1 1/2 in NPT flange set, supplied as two flanges with EPDM gaskets. Its stainless steel body and compatibility with the ARMSTRONG H-53 model make it suitable for industrial piping connections.

Frequently Asked Questions

What is the ARMSTRONG 816009-721k flange used for?

The ARMSTRONG 816009-721k flange is used for industrial piping connections, specifically to join pipes or connect equipment like the ARMSTRONG H-53 pump. Its stainless steel body and EPDM gaskets suit water, steam, or chemical applications where corrosion resistance and a reliable seal are required.

What are the specifications of the ARMSTRONG 816009-721k flange?

The ARMSTRONG 816009-721k flange has a 1 1/2 in NPT connection, stainless steel body, and EPDM gasket material. It includes two flanges per set and is compatible with the ARMSTRONG H-53 model. The manufacturer part number is 816009-721k.

Where to buy ARMSTRONG 816009-721k flanges worldwide?

3G Electric supplies the ARMSTRONG 816009-721k flange set worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this stainless steel flange with EPDM gaskets.

How to install the ARMSTRONG 816009-721k flange?

To install the ARMSTRONG 816009-721k flange, align the two flanges with the pipe ends, insert the EPDM gasket between them, and tighten bolts evenly in a cross pattern to the manufacturer's torque specification. Ensure the stainless steel faces are clean and free of debris before assembly.

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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