We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SMITH-BLAIR Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration - Slide-On Carbon Steel Couplings
SMITH-BLAIRSlide-On Carbon Steel Couplings

SMITH-BLAIR Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration

The SMITH-BLAIR Bolted Coupling is a slide-on carbon steel coupling designed for vibration applications, featuring a 3 in x 3 in female flange connection and stainless steel bolts. With a maximum operating pressure…

SKU 3G-OTH-648771

Brand
SMITH-BLAIR
Item
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration
Category
Slide-On Carbon Steel Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SMITH-BLAIR
Manufacturer Part Number
422-03100420-031
Type
For Vibration
Bolt Material
Stainless Steel
For Movement Type
Vibration
Fitting Side B Type
Flange
Fitting Side B Gender
Female
Specific Fitting Shape
Coupling Body
Female Flange Connection
3 in 3 in
Maximum Operating Pressure
260 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SMITH-BLAIR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMITH-BLAIR Bolted Coupling is a slide-on carbon steel coupling designed for vibration applications, featuring a 3 in x 3 in female flange connection and stainless steel bolts. With a maximum operating pressure of 260 psi, this epoxy-coated coupling body (MPN 422-03100420-031) provides a reliable connection for industrial piping systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SMITH-BLAIR bolted coupling used for?

The SMITH-BLAIR bolted coupling is used to connect flanged pipe ends in industrial piping systems where vibration dampening is required. Its epoxy-coated carbon steel body and stainless steel bolts provide a durable, corrosion-resistant joint for water, wastewater, and process lines.

What are the specifications of the SMITH-BLAIR 422-03100420-031 coupling?

This coupling has a 3 in x 3 in female flange connection, a maximum operating pressure of 260 psi, and is designed for vibration movement. The coupling body is epoxy-coated carbon steel with stainless steel bolts. It is a slide-on style for quick installation.

Where to buy SMITH-BLAIR couplings worldwide?

3G Electric supplies SMITH-BLAIR bolted couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 422-03100420-031 or other SMITH-BLAIR flange coupling models.

How to install a SMITH-BLAIR slide-on coupling?

Slide the coupling over the prepared pipe end, align the flange faces, and tighten the stainless steel bolts evenly in a cross pattern to the manufacturer's torque specification. Ensure the gasket is seated properly and the joint is free of debris before pressurizing up to 260 psi.

SMITH-BLAIR Products

3G Electric supplies SMITH-BLAIR slide-on carbon steel couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SMITH-BLAIR

View all SMITH-BLAIR parts
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 12 in 6 in Female Flange Connection (MPN 422-06560760-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 12 in 6 in Female Flange Connection (MPN 422-06560760-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 4 in 2 in Female Flange Connection (MPN 422-02130295-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 4 in 2 in Female Flange Connection (MPN 422-02130295-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 2 in 4 in Female Flange Connection (MPN 422-04460560-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 2 in 4 in Female Flange Connection (MPN 422-04460560-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 10 in 8 in Female Flange Connection (MPN 422-08540985-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 10 in 8 in Female Flange Connection (MPN 422-08540985-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 10 in 8 in Female Flange Connection (MPN 421-08540985-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 10 in 8 in Female Flange Connection (MPN 421-08540985-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 6 in 4 in Female Flange Connection (MPN 421-04460560-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 6 in 4 in Female Flange Connection (MPN 421-04460560-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 1 1/2 in Fitting Side A Nominal Pipe Size (MPN 421-03100420-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Steel; Fitting Side A Gender: Female; Fitting Side A Type: Flange.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 1 1/2 in Fitting Side A Nominal Pipe Size (MPN 421-03100420-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Steel; Fitting Side A Gender: Female; Fitting Side A Type: Flange.
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 8 in 10 in Female Flange Connection (MPN 422-10641183-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.
SMITH-BLAIR
Bolted Coupling: Epoxy Coated Carbon Steel, For Vibration, 8 in 10 in Female Flange Connection (MPN 422-10641183-031). Key specifications — Fitting Side B Type: Flange; Fitting Side B Gender: Female; Maximum Operating Pressure: 260 psi; Specific Fitting Shape: Coupling Body; For Movement Type: Vibration; Bolt Material: Stainless Steel.