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TACO 110-251SF Stainless Steel Flange Union, 3/4 in NPT, 2 Flanges, 4 Bolts

The TACO 110-251SF is a stainless steel flange union with a 3/4 inch NPT connection, supplied as a set of two flanges. This product includes four bolts and is identified by manufacturer part number 110-251SF and SKU…

SKU 3G-OTH-81230

Also listed as: 110251SF · 110 251SF

Brand
TACO
Item
110-251SF Stainless Steel Flange Union, 3/4 in NPT, 2 Flanges, 4 Bolts
Part Number
110-251SF
Category
Unions
Available to Order
Also known as:110-251SFTACO
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TACO
Manufacturer Part Number
110-251SF
Includes
(4) Bolts
Body Material
Stainless Steel

Technical Documents

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

Product Description

The TACO 110-251SF is a stainless steel flange union with a 3/4 inch NPT connection, supplied as a set of two flanges. This product includes four bolts and is identified by manufacturer part number 110-251SF and SKU 110-251SF.

Frequently Asked Questions

What is the TACO 110-251SF flange union used for?

The TACO 110-251SF is a stainless steel flange union used to connect and disconnect piping in industrial HVAC and plumbing systems. It provides a secure, leak-resistant joint for 3/4 inch NPT connections, commonly applied in water circulation and heating loops where maintenance access is needed.

What are the specifications of the TACO 110-251SF?

The TACO 110-251SF is a 3/4 inch NPT flange union made of stainless steel. It includes two flanges and four bolts. The manufacturer part number is 110-251SF, and the SKU is 3G-OTH-81230. This set is designed for durable, corrosion-resistant connections in industrial piping systems.

Where to buy the TACO 110-251SF worldwide?

You can source the TACO 110-251SF flange union through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this TACO part to procurement teams internationally.

How to install the TACO 110-251SF flange union?

To install the TACO 110-251SF, align the two flanges over the pipe ends, insert the four included bolts, and tighten evenly in a cross pattern to ensure a uniform seal. Use a torque wrench to avoid over-tightening. Always follow standard piping practices for stainless steel connections.

Used in

Common applications for TACO
Hydronic heating systems — TACO 007 series circulator pumps for residential boiler water circulation.
Commercial HVAC — TACO 2400-60-3P inline pump for chilled water loops in large buildings.
Industrial process cooling — TACO 1630EAE10132096 pump for high-flow (110 gpm) cooling applications.
Zone control in radiant floor heating — TACO V075T2G2ZA024Q4A2 zone valve for regulating flow to individual zones.
Pump replacement and maintenance — TACO 007-045RP cartridge assembly for servicing existing 007 series pumps.
Piping connections in hydronic systems — TACO 110-251F-1 flange for joining pumps to pipework.
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TACO Products

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

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Isolation flange for hydronic heating and cooling systems, allowing pump or equipment isolation for maintenance without system drainage. Features 1 1/2 in FNPT connection, brass/steel body, PTFE gasket, and includes nut. Two flanges supplied per unit

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