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SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 346 Inlet, 1/4" NPT M Outlet - Air & Inert Gas Regulators
SMITH EQUIPMENTAir & Inert Gas Regulators

SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 346 Inlet, 1/4" NPT M Outlet

The SMITH EQUIPMENT High Purity Gas Regulator: Two Stage (MPN 121-2005) is an air and inert gas regulator featuring a CGA 346 inlet connection and a 1/4" NPT M outlet connection. It is equipped with a neoprene…

SKU 3G-OTH-358155

Also listed as: 1212005 · 121 2005

Brand
SMITH EQUIPMENT
Item
High Purity Gas Regulator: Two Stage, CGA 346 Inlet, 1/4" NPT M Outlet
Category
Air & Inert Gas Regulators
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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

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

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

Product Description

The SMITH EQUIPMENT High Purity Gas Regulator: Two Stage (MPN 121-2005) is an air and inert gas regulator featuring a CGA 346 inlet connection and a 1/4" NPT M outlet connection. It is equipped with a neoprene diaphragm and operates as a two-stage regulator.

Frequently Asked Questions

What is the SMITH EQUIPMENT High Purity Gas Regulator used for?

The SMITH EQUIPMENT High Purity Gas Regulator (MPN 121-2005) is used to reduce and stabilize pressure of air and inert gases in laboratory, analytical, or industrial gas systems. Its two-stage design ensures consistent delivery pressure, making it suitable for applications requiring precise gas flow control.

What are the specifications of the SMITH EQUIPMENT 121-2005 regulator?

The SMITH EQUIPMENT 121-2005 is a two-stage high purity gas regulator with a CGA 346 inlet connection and a 1/4" NPT M outlet connection. It features a neoprene diaphragm and delivers a maximum outlet pressure of 50 psig. This model is designed for air and inert gas service.

Where to buy the SMITH EQUIPMENT 121-2005 regulator worldwide?

3G Electric supplies the SMITH EQUIPMENT 121-2005 high purity gas regulator to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the SMITH EQUIPMENT two-stage gas regulator?

To install the SMITH EQUIPMENT two-stage regulator, first ensure the cylinder valve is closed. Connect the CGA 346 inlet to the cylinder, then attach the 1/4" NPT M outlet to your system. Tighten connections with a wrench, open the cylinder valve slowly, and check for leaks using a leak detection solution.

Used in

Common applications for SMITH EQUIPMENT
Metal fabrication shops — SMITH EQUIPMENT MC40 series cutting tips for propane/natural gas handheld cutting
Maintenance and repair operations — SMITH EQUIPMENT ST600 series heating tips for acetylene preheating applications
Field welding and cutting — SMITH EQUIPMENT Heavy Duty Combination Torch Outfit (HBA-30300) for portable acetylene service
Scrap metal processing — SMITH EQUIPMENT SC50 series heavy-duty cutting tips for rusty or scaled metals
Industrial gas distribution — SMITH EQUIPMENT two-stage acetylene regulator (35-15-510) for consistent pressure control in fixed installations
Pneumatic and inert gas systems — SMITH EQUIPMENT single-stage air regulator (30-150-320) for shop air or nitrogen supply lines

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 346 Inlet, 1/4" Tube Outlet, 25 psig (MPN 620-03050000)
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SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 346 Inlet, 1/4" Tube Outlet, 25 psig (MPN 620-03050000)
SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 510 Inlet, 9/16"-18 M LH Outlet, 15 psig (MPN 120-8407)
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SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 510 Inlet, 9/16"-18 M LH Outlet, 15 psig (MPN 120-8407)
SMITH EQUIPMENT High Purity Gas Regulator: Single Stage, CGA 346 Inlet, 1/4" Tube Outlet, 50 psig (MPN 211-0305)
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SMITH EQUIPMENT High Purity Gas Regulator: Single Stage, CGA 346 Inlet, 1/4" Tube Outlet, 50 psig (MPN 211-0305)
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SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 580 Inlet, 1/4" Tube Outlet, 50 psig (MPN 221-0209)
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SMITH EQUIPMENT High Purity Gas Regulator: Single Stage, CGA 590 Inlet, 1/4" Tube Outlet, 25 psig (MPN 610-03100000)
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SMITH EQUIPMENT High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" Tube Outlet, 100 psig (MPN 222-0306)

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