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PARKER PSG-3S Sweat Connection Sight Glass - Sweat Connection Sight Glasses
ParkerSweat Connection Sight Glasses

PARKER PSG-3S Sweat Connection Sight Glass

The PARKER PSG-3S is a sweat connection sight glass made of steel, with a length of 4 5/8 inches and a cut-out length of 4.12 inches. This industrial component is designed for visual fluid monitoring in piping systems.

SKU 3G-OTH-71822

Also listed as: PSG3S · PSG 3S

Brand
Parker
Item
PSG-3S Sweat Connection Sight Glass
Category
Sweat Connection Sight Glasses
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Parker
Manufacturer Part Number
PSG-3S
Material
Steel

Technical Documents

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

Product Description

The PARKER PSG-3S is a sweat connection sight glass made of steel, with a length of 4 5/8 inches and a cut-out length of 4.12 inches. This industrial component is designed for visual fluid monitoring in piping systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PARKER PSG-3S sight glass used for?

The PARKER PSG-3S is a sweat connection sight glass used for visual fluid monitoring in industrial piping systems. It allows operators to observe flow, color, and clarity of liquids or gases in steel or copper lines, aiding in maintenance and process control.

What are the specifications of the PARKER PSG-3S sight glass?

The PARKER PSG-3S sight glass is made of steel with a sweat connection for copper or steel piping. It has an overall length of 4 5/8 inches and a cut-out length of 4.12 inches. The manufacturer part number is PSG-3S.

Where to buy the PARKER PSG-3S sight glass worldwide?

3G Electric supplies the PARKER PSG-3S sight glass worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a sweat connection sight glass like the PARKER PSG-3S?

To install the PARKER PSG-3S, ensure the piping is clean and dry. Apply flux to the sweat connection ends, insert into the line, and heat evenly with a torch until solder flows. Allow to cool naturally. Always follow standard brazing practices for steel or copper systems.

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 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
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
MUELLER
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
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 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
MUELLER
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-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-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
Steel sight glass with sweat connections for permanent brazed installation in copper or steel piping. Overall length 4-7/8 in, cut-out length 3.62 in. Provides visual monitoring of fluid flow, liquid level, or contamination in HVAC, refrigeration, and process lines
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Steel sight glass with sweat connections for permanent brazed installation in copper or steel piping. Overall length 4-7/8 in, cut-out length 3.62 in. Provides visual monitoring of fluid flow, liquid level, or contamination in HVAC, refrigeration, and process lines