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

HARRIS High Purity Gas Regulator: Two Stage, CGA 500 Inlet, 1/8" Tube Outlet - High-Purity Air & Inert Gas Regulators
HARRISHigh-Purity Air & Inert Gas Regulators

HARRIS High Purity Gas Regulator: Two Stage, CGA 500 Inlet, 1/8" Tube Outlet

The HARRIS High Purity Gas Regulator: Two Stage is a high-purity air and inert gas regulator with a CGA 500 inlet and a 1/8" Tube outlet. It features a 302 Stainless Steel diaphragm and is identified by manufacturer…

SKU 3G-OTH-357642

Brand
HARRIS
Item
High Purity Gas Regulator: Two Stage, CGA 500 Inlet, 1/8" Tube Outlet
Category
High-Purity Air & Inert Gas Regulators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

HARRIS
Manufacturer Part Number
KH1125
Type
CGA 500 Inlet, 125 psig
Tube Outlet
1/8"
Inlet Connection
CGA 500
Outlet Connection
1/8" Tube
Diaphragm Material
302 Stainless Steel
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

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

Product Description

The HARRIS High Purity Gas Regulator: Two Stage is a high-purity air and inert gas regulator with a CGA 500 inlet and a 1/8" Tube outlet. It features a 302 Stainless Steel diaphragm and is identified by manufacturer part number KH1125.

Frequently Asked Questions

What is the HARRIS KH1125 high purity gas regulator used for?

The HARRIS KH1125 two-stage regulator is used for precise pressure control of high-purity air and inert gases in analytical instrumentation, laboratory gas systems, and industrial process lines where gas purity must be maintained.

What are the specifications of the HARRIS KH1125 regulator?

The HARRIS KH1125 is a two-stage high-purity regulator with a CGA 500 inlet and a 1/8" tube outlet. It features a 302 stainless steel diaphragm and is rated for 125 psig maximum delivery pressure. The manufacturer part number is KH1125.

Where to buy the HARRIS KH1125 regulator worldwide?

3G Electric supplies the HARRIS KH1125 regulator 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 HARRIS KH1125 two-stage regulator?

Ensure the CGA 500 inlet nut is clean and tightens onto the cylinder valve with a wrench. Connect the 1/8" tube outlet to your system using appropriate fittings. Always leak-test with inert gas before pressurizing. Follow HARRIS guidelines for safe operation.

Used in

Common applications for HARRIS
Gas welding and cutting — HARRIS fuel gas regulators (e.g., 25-15C-300) for acetylene supply control
High-purity gas handling — HARRIS single-stage regulators (e.g., KH1044) for inert gas distribution in labs
Brazing operations — HARRIS Safety-Silv 45 alloy for joining HVAC copper lines
Flame safety — HARRIS 88-5FBHF-RL flashback arrestors on oxy-fuel torch systems
Preheating metal — HARRIS 1390-HA Series heating tips for acetylene-based preheating in fabrication
Brazing flux application — HARRIS Stay-Silv White FB3-A flux for phos-copper brazing in refrigeration repair

HARRIS Products

3G Electric supplies HARRIS high-purity 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

Similar products

Matched by specification & description
HARRIS High Purity Gas Regulator: Two Stage, CGA 580 Inlet, 1/8" Tube Outlet, 50 psig (MPN KH1124). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1124; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/8" Tube; Inlet Connection: CGA 580.
HARRIS
HARRIS High Purity Gas Regulator: Two Stage, CGA 580 Inlet, 1/8" Tube Outlet, 50 psig (MPN KH1124). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1124; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/8" Tube; Inlet Connection: CGA 580.
HARRIS High Purity Gas Regulator: Single Stage, CGA 320 Inlet, 1/4" Tube Outlet, 15 psig (MPN KH1126). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1126; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 320.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 320 Inlet, 1/4" Tube Outlet, 15 psig (MPN KH1126). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1126; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 320.
HARRIS High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1138). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1138; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 350.
HARRIS
HARRIS High Purity Gas Regulator: Two Stage, CGA 350 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1138). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1138; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 350.
HARRIS High Pressure Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 1,500 psig (MPN KH1114). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1114; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS
HARRIS High Pressure Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 1,500 psig (MPN KH1114). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1114; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS High Pressure Gas Regulator: Single Stage, CGA 590 Inlet, 1/4" Tube Outlet, 1,500 psig (MPN KH1115). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1115; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 590.
HARRIS
HARRIS High Pressure Gas Regulator: Single Stage, CGA 590 Inlet, 1/4" Tube Outlet, 1,500 psig (MPN KH1115). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1115; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 590.
HARRIS High Pressure Gas Regulator: Single Stage, CGA 680 Inlet, 1/4" Tube Outlet, 3,000 psig (MPN KH1116). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1116; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 680.
HARRIS
HARRIS High Pressure Gas Regulator: Single Stage, CGA 680 Inlet, 1/4" Tube Outlet, 3,000 psig (MPN KH1116). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1116; Diaphragm Material: Urethane; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 680.

More from HARRIS

View all HARRIS parts
HARRIS High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1045). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1045; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1045). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1045; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS High Purity Gas Regulator: Single Stage, CGA 590 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1048). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1048; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 590.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 590 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1048). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1048; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 590.
HARRIS High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1131). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1131; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/4" Tube Outlet, 125 psig (MPN KH1131). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1131; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 580.
HARRIS High Purity Gas Regulator: Single Stage, 1/4" NPT F Inlet, 1/4" NPT F Outlet, 50 psig (MPN 723C050000D). Key specifications — Brand: HARRIS; Manufacturer Part Number: 723C050000D; Diaphragm Material: Stainless Steel; Outlet Connection: 1/4" NPT F; Inlet Connection: 1/4" NPT F.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, 1/4" NPT F Inlet, 1/4" NPT F Outlet, 50 psig (MPN 723C050000D). Key specifications — Brand: HARRIS; Manufacturer Part Number: 723C050000D; Diaphragm Material: Stainless Steel; Outlet Connection: 1/4" NPT F; Inlet Connection: 1/4" NPT F.
HARRIS High Purity Gas Regulator: Two Stage, CGA 320 Inlet, 1/4" Tube Outlet, 50 psig (MPN KH1053). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1053; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 320.
HARRIS
HARRIS High Purity Gas Regulator: Two Stage, CGA 320 Inlet, 1/4" Tube Outlet, 50 psig (MPN KH1053). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1053; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 320.
HARRIS High Purity Gas Regulator: Single Stage, CGA 540 Inlet, 1/4" Tube Outlet, 125 psig, Oxygen (MPN KH1075). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1075; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 540.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 540 Inlet, 1/4" Tube Outlet, 125 psig, Oxygen (MPN KH1075). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1075; Diaphragm Material: 316L Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 540.
HARRIS High Purity Gas Regulator: Single Stage, CGA 540 Inlet, 1/4" Tube Outlet, 15 psig, Oxygen (MPN KH1049). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1049; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 540.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 540 Inlet, 1/4" Tube Outlet, 15 psig, Oxygen (MPN KH1049). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1049; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/4" Tube; Inlet Connection: CGA 540.
HARRIS High Purity Gas Regulator: Single Stage, CGA 280 Inlet, 1/8" Tube Outlet, 50 psig (MPN KH1123). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1123; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/8" Tube; Inlet Connection: CGA 280.
HARRIS
HARRIS High Purity Gas Regulator: Single Stage, CGA 280 Inlet, 1/8" Tube Outlet, 50 psig (MPN KH1123). Key specifications — Brand: HARRIS; Manufacturer Part Number: KH1123; Diaphragm Material: 302 Stainless Steel; Outlet Connection: 1/8" Tube; Inlet Connection: CGA 280.