Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
SMITH EQUIPMENT Air & Inert Gas Regulator - Air & Inert Gas Regulators
SMITH EQUIPMENTAir & Inert Gas Regulators

SMITH EQUIPMENT Air & Inert Gas Regulator

<p>The SMITH EQUIPMENT Air & Inert Gas Regulator (MPN 121-2005) is a precision unit designed for air and inert gas service. It features a CGA 346 inlet connection and a 1/4" NPT male outlet, delivering a maximum…

SKU 3G-OTH-358155

Also listed as: 1212005 · 121 2005

Brand
SMITH EQUIPMENT
Item
Air & Inert Gas Regulator
Part Number
121-2005
Category
Air & Inert Gas Regulators
Available to Order
Also known as:121-2005SMITH EQUIPMENT
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

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

SMITH EQUIPMENT
Manufacturer Part Number
121-2005
Type
CGA 346 Inlet, 1/4" NPT M Outlet, 50 psig
Inlet Connection
CGA 346
Outlet Connection
1/4" NPT M
Diaphragm Material
Neoprene

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

Product Description

<p>The SMITH EQUIPMENT Air & Inert Gas Regulator (MPN 121-2005) is a precision unit designed for air and inert gas service. It features a CGA 346 inlet connection and a 1/4" NPT male outlet, delivering a maximum outlet pressure of 50 psig. The neoprene diaphragm ensures reliable performance and compatibility with a range of gases.</p><p>Ideal for industrial applications requiring accurate pressure control, this regulator is a dependable choice for procurement teams. As a Singapore-based supplier, 3G Electric offers this product with SGD quotes on request, GST handled for local buyers, and fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the inlet and outlet connections for this regulator?

The inlet is CGA 346, and the outlet is 1/4" NPT male.

What is the maximum outlet pressure and diaphragm material?

The maximum outlet pressure is 50 psig, and the diaphragm is made of neoprene.

Used in

Common applications for SMITH EQUIPMENT
Industrial fabrication — Smith Equipment SC940 48-inch 180° handheld cutting torch for heavy oxy-fuel cutting of ferrous metals.
Shipbuilding — Smith Equipment SC369 36-inch 90° handheld cutting torch for cutting in confined spaces and structural steel.
Welding and fabrication — Smith Equipment 31-50-580 flow gauge regulator for argon gas delivery in TIG welding applications.
Analytical laboratories — Smith Equipment 221-0209 high-purity two-stage regulator for gas chromatography with inert gases.
Maintenance and repair — Smith Equipment SC929 21-inch 90° handheld cutting torch for scrap processing and maintenance cutting.
Beverage and food processing — Smith Equipment 31-50-320 flow gauge regulator for carbon dioxide gas in dispensing and packaging systems.
Not sure this is the right part? Photo-identify it→

SMITH EQUIPMENT Products

3G Electric supplies SMITH EQUIPMENT air & inert gas regulators. 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 →

Compatible alternatives & equivalents

More from SMITH EQUIPMENT

View all SMITH EQUIPMENT parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first