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Parker PSG-3MF Flared Swivel Connection Sight Glass, Copper, 3 in Length - Flared Swivel Connection Sight Glasses
ParkerFlared Swivel Connection Sight Glasses

Parker PSG-3MF Flared Swivel Connection Sight Glass, Copper, 3 in Length

The PARKER Sight Glass (MPN PSG-3MF) is a flared swivel connection sight glass made of copper and steel, measuring 3 inches in length. This Parker component provides visual flow indication in industrial piping systems.

SKU 3G-OTH-71618

Also listed as: PSG3MF · PSG 3MF

Brand
Parker
Item
PSG-3MF Flared Swivel Connection Sight Glass, Copper, 3 in Length
Category
Flared Swivel 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-3MF
Material
Copper

Technical Documents

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

Product Description

The PARKER Sight Glass (MPN PSG-3MF) is a flared swivel connection sight glass made of copper and steel, measuring 3 inches in length. This Parker component provides visual flow indication in industrial piping systems.

Frequently Asked Questions

What is a Parker PSG-3MF sight glass used for?

The Parker PSG-3MF flared swivel sight glass provides visual flow indication in industrial piping systems. It is commonly used in lubrication, hydraulic, and cooling circuits to confirm fluid movement and detect air or contamination. The copper/steel construction suits oil and compatible fluid applications.

What are the specifications of the Parker PSG-3MF sight glass?

The Parker PSG-3MF is a flared swivel connection sight glass made of copper and steel. It measures 3 inches in length. The manufacturer part number is PSG-3MF. This component is designed for visual flow monitoring in industrial piping systems handling compatible fluids.

Where to buy a Parker PSG-3MF sight glass worldwide?

3G Electric supplies the Parker PSG-3MF flared swivel sight glass to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Parker component.

How to install a Parker flared swivel sight glass?

Install the Parker PSG-3MF by connecting the flared swivel ends to matching flare fittings in your piping system. Tighten the nut by hand, then use a wrench for final torque—avoid overtightening to prevent damage. Ensure the sight glass is oriented for clear fluid visibility and check for leaks before operation.

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 flared swivel 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-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
Parker
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-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
Parker
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-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
Parker
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
Parker
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
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
Parker
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
Steel hydraulic quick-connect coupling plug with 9/16-18 female O-ring boss (ORB) connection. Maximum flow rate 6 g/min. Used in hydraulic systems for rapid connection and disconnection of fluid lines in industrial machinery and mobile equipment
Parker
Steel hydraulic quick-connect coupling plug with 9/16-18 female O-ring boss (ORB) connection. Maximum flow rate 6 g/min. Used in hydraulic systems for rapid connection and disconnection of fluid lines in industrial machinery and mobile equipment

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