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Parker PSG-2S Sweat Connection Sight Glass - Sweat Connection Sight Glasses
ParkerSweat Connection Sight Glasses

Parker PSG-2S Sweat Connection Sight Glass

The PARKER PSG-2S is a sweat connection sight glass constructed from steel. This model has a length of 4 5/8 inches and a cut-out length of 4.19 inches, designed for visual flow indication in piping systems.

SKU 3G-OTH-71781

Also listed as: PSG2S · PSG 2S

Brand
Parker
Item
PSG-2S Sweat Connection Sight Glass
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-2S
Material
Steel

Technical Documents

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

Product Description

The PARKER PSG-2S is a sweat connection sight glass constructed from steel. This model has a length of 4 5/8 inches and a cut-out length of 4.19 inches, designed for visual flow indication in piping systems.

Frequently Asked Questions

What is the PARKER PSG-2S sight glass used for?

The PARKER PSG-2S sweat connection sight glass provides visual flow indication in steel piping systems. It is commonly used in industrial fluid handling applications to confirm media presence, clarity, or movement, helping plant engineers and maintenance technicians monitor process lines without disassembly.

What are the specifications of the PARKER PSG-2S sight glass?

The PARKER PSG-2S is a steel sight glass with sweat connections. It measures 4 5/8 inches in overall length with a cut-out length of 4.19 inches. The manufacturer part number is PSG-2S. These dimensions are critical for proper fit in copper or steel piping systems requiring visual flow indication.

Where to buy the PARKER PSG-2S sight glass worldwide?

3G Electric supplies the PARKER PSG-2S sight glass to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this genuine Parker component.

How to install a sweat connection sight glass like the PARKER PSG-2S?

Installation requires cutting the pipe to the specified cut-out length of 4.19 inches, cleaning both pipe ends, applying flux, and heating the sweat connections evenly until solder flows. Allow the joint to cool naturally before pressurizing the system. Always follow Parker's guidelines for proper sealing and orientation.

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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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
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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
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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 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
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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 brass sight glass features sweat connections for copper pipe installation, allowing visual inspection of fluid flow in piping systems. It is commonly used in HVAC, refrigeration, and industrial process lines to monitor liquid or gas movement, detect bubbles, or verify system charge without disassembly
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This brass sight glass features sweat connections for copper pipe installation, allowing visual inspection of fluid flow in piping systems. It is commonly used in HVAC, refrigeration, and industrial process lines to monitor liquid or gas movement, detect bubbles, or verify system charge without disassembly

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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
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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
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