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PARKER PSG-5S Sweat Connection Sight Glass, Steel, 4-7/8 in L, 3.62 in Cut-Out - Sweat Connection Sight Glasses
ParkerSweat Connection Sight Glasses

PARKER PSG-5S Sweat Connection Sight Glass, Steel, 4-7/8 in L, 3.62 in Cut-Out

The PARKER PSG-5S is a sweat connection sight glass constructed from steel, measuring 4 7/8 inches in length with a 3.62-inch cut-out length. This industrial component allows visual inspection of fluid flow within…

SKU 3G-OTH-71877

Also listed as: PSG5S · PSG 5S

Brand
Parker
Item
PSG-5S Sweat Connection Sight Glass, Steel, 4-7/8 in L, 3.62 in Cut-Out
Category
Sweat Connection Sight Glasses
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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

Parker
Manufacturer Part Number
PSG-5S
Material
Steel

Technical Documents

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

Product Description

The PARKER PSG-5S is a sweat connection sight glass constructed from steel, measuring 4 7/8 inches in length with a 3.62-inch cut-out length. This industrial component allows visual inspection of fluid flow within piping systems.

Frequently Asked Questions

What is the PARKER PSG-5S sight glass used for?

The PARKER PSG-5S sight glass is used for visual inspection of fluid flow within industrial piping systems. It is commonly installed in HVAC, refrigeration, and process lines to monitor liquid level, flow presence, or contamination. The steel construction and sweat connection make it suitable for copper or steel pipe installations.

What are the specifications of the PARKER PSG-5S sight glass?

The PARKER PSG-5S is a sweat connection sight glass made of steel. It has an overall length of 4 7/8 inches and a cut-out length of 3.62 inches. The manufacturer part number is PSG-5S. This component is designed for permanent installation by brazing into copper or steel piping systems.

Where to buy the PARKER PSG-5S sight glass worldwide?

The PARKER PSG-5S sight glass is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on this component.

How to install a sweat connection sight glass like the PARKER PSG-5S?

To install the PARKER PSG-5S, cut the pipe to the required 3.62-inch cut-out length, clean both pipe ends and the sight glass connections, apply flux, and braze using a silver solder alloy. Allow the joint to cool naturally. Ensure the sight glass is oriented for clear visual access to the fluid stream.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker sweat connection sight glasses. 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
The Parker PSG-3MF is a flared swivel connection sight glass made of copper. It provides visual flow indication in industrial piping systems, commonly used in lubrication, hydraulic, and cooling circuits to confirm fluid movement and detect air or contamination
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The Parker PSG-3MF is a flared swivel connection sight glass made of copper. It provides visual flow indication in industrial piping systems, commonly used in lubrication, hydraulic, and cooling circuits to confirm fluid movement and detect air or contamination
Copper sight glass with sweat connections for permanent installation in copper piping systems. Overall length 7-7/8 inches, cut-out length 5.95 inches. Allows visual monitoring of fluid flow to detect blockages or confirm circulation in HVAC, refrigeration, and plumbing lines
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Copper sight glass with sweat connections for permanent installation in copper piping systems. Overall length 7-7/8 inches, cut-out length 5.95 inches. Allows visual monitoring of fluid flow to detect blockages or confirm circulation in HVAC, refrigeration, and plumbing lines
Copper sight glass for sweat (solder) installation into copper piping systems. Provides visual indication of fluid flow, color, and clarity without opening the line. Overall length 7 7/8 inches, cut-out length 5.2 inches. Suitable for HVAC, refrigeration, and industrial process applications
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Copper sight glass for sweat (solder) installation into copper piping systems. Provides visual indication of fluid flow, color, and clarity without opening the line. Overall length 7 7/8 inches, cut-out length 5.2 inches. Suitable for HVAC, refrigeration, and industrial process applications
This MUELLER sight glass is made of copper and features sweat connections for installation in copper piping systems. It allows visual monitoring of fluid flow, enabling operators to detect blockages or confirm circulation. Suitable for HVAC, refrigeration, and process lines
MUELLER
This MUELLER sight glass is made of copper and features sweat connections for installation in copper piping systems. It allows visual monitoring of fluid flow, enabling operators to detect blockages or confirm circulation. Suitable for HVAC, refrigeration, and process lines
This MUELLER sight glass is constructed of brass and features sweat connections for permanent copper-tube installation. It provides visual confirmation of fluid flow, level, or condition in a pipeline. Commonly used in HVAC, refrigeration, and industrial process systems to monitor refrigerant or liquid flow without opening the line
MUELLER
This MUELLER sight glass is constructed of brass and features sweat connections for permanent copper-tube installation. It provides visual confirmation of fluid flow, level, or condition in a pipeline. Commonly used in HVAC, refrigeration, and industrial process systems to monitor refrigerant or liquid flow without opening the line
This MUELLER sight glass is constructed of brass and features sweat connections for copper pipe installation. It allows visual inspection of fluid flow or level in piping systems without opening the line. Overall length is 5 3/4 inches with a 4.93-inch cut-out length. Suitable for use in HVAC, plumbing, and process lines
MUELLER
This MUELLER sight glass is constructed of brass and features sweat connections for copper pipe installation. It allows visual inspection of fluid flow or level in piping systems without opening the line. Overall length is 5 3/4 inches with a 4.93-inch cut-out length. Suitable for use in HVAC, plumbing, and process lines

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The Parker PSG-2S is a steel sight glass with sweat connections, designed for visual flow indication in piping systems. It measures 4 5/8 inches overall length with a 4.19-inch cut-out length, allowing confirmation of media presence, clarity, or movement without disassembly. Suitable for use in industrial fluid handling applications where monitoring process lines is required
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The Parker PSG-2S is a steel sight glass with sweat connections, designed for visual flow indication in piping systems. It measures 4 5/8 inches overall length with a 4.19-inch cut-out length, allowing confirmation of media presence, clarity, or movement without disassembly. Suitable for use in industrial fluid handling applications where monitoring process lines is required
The Parker PSG-4S is a sweat connection sight glass made of copper, designed for installation into copper or steel piping systems. It provides visual flow indication, allowing operators to confirm media presence, detect air pockets, or monitor flow clarity. With an overall length of 4-7/8 inches and a cut-out length of 3.87 inches, it is suitable for industrial fluid handling applications
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The Parker PSG-4S is a sweat connection sight glass made of copper, designed for installation into copper or steel piping systems. It provides visual flow indication, allowing operators to confirm media presence, detect air pockets, or monitor flow clarity. With an overall length of 4-7/8 inches and a cut-out length of 3.87 inches, it is suitable for industrial fluid handling applications
The PARKER PSG-3S is a steel sight glass with sweat connections for copper or steel piping. It has an overall length of 4 5/8 inches and a cut-out length of 4.12 inches. Used for visual monitoring of fluid flow, color, and clarity in industrial piping systems
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The PARKER PSG-3S is a steel sight glass with sweat connections for copper or steel piping. It has an overall length of 4 5/8 inches and a cut-out length of 4.12 inches. Used for visual monitoring of fluid flow, color, and clarity in industrial piping systems
The PARKER PSG-7S is a sweat connection sight glass constructed of steel. It has an overall length of 6 5/16 inches and a cut-out length of 4.73 inches. This component is used for visual flow monitoring in piping systems, allowing observation of fluid presence, clarity, and movement. Typical applications include HVAC, refrigeration, and fluid handling systems where copper or steel piping is employed
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The PARKER PSG-7S is a sweat connection sight glass constructed of steel. It has an overall length of 6 5/16 inches and a cut-out length of 4.73 inches. This component is used for visual flow monitoring in piping systems, allowing observation of fluid presence, clarity, and movement. Typical applications include HVAC, refrigeration, and fluid handling systems where copper or steel piping is employed