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RANCO RSG-4S Sweat Connection Sight Glass, Brass - Sweat Connection Sight Glasses
RANCOSweat Connection Sight Glasses

RANCO RSG-4S Sweat Connection Sight Glass, Brass

The RANCO Sight Glass is a sweat connection sight glass made of brass, with a length of 5 3/4 inches. This RANCO product, model RSG-4S, is designed for visual flow indication in industrial piping systems.

SKU 3G-OTH-71811

Also listed as: RSG4S · RSG 4S

Brand
RANCO
Item
RSG-4S Sweat Connection Sight Glass, Brass
Part Number
RSG-4S
Category
Sweat Connection Sight Glasses
Available to Order
Also known as:RSG-4SRANCO
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Technical Specifications

RANCO
Manufacturer Part Number
RSG-4S
Material
Brass

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

Product Description

The RANCO Sight Glass is a sweat connection sight glass made of brass, with a length of 5 3/4 inches. This RANCO product, model RSG-4S, is designed for visual flow indication in industrial piping systems.

Frequently Asked Questions

What is the RANCO RSG-4S sight glass used for?

The RANCO RSG-4S sight glass is used for visual flow indication in industrial piping systems. Its brass construction and sweat connection design make it suitable for refrigeration, HVAC, and process lines where confirming fluid presence or clarity is critical.

What are the specifications of the RANCO RSG-4S sight glass?

The RANCO RSG-4S is a sweat connection sight glass made of brass, with a length of 5 3/4 inches. The manufacturer part number is RSG-4S. It is designed for visual flow indication in industrial piping systems.

Where to buy the RANCO RSG-4S sight glass worldwide?

You can source the RANCO RSG-4S sight glass through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.

How to install a RANCO sweat connection sight glass?

Install the RANCO RSG-4S by brazing or soldering the sweat connections into the pipeline. Ensure the system is depressurized and clean. Position the sight glass vertically or horizontally for clear flow observation. Follow standard piping practices for brass components.

Used in

Common applications for RANCO
Commercial refrigeration — RANCO P30-3801 lube oil pressure control on Copeland compressors with 240V AC input and alarm circuit
Supermarket refrigeration racks — RANCO A30-2210 constant differential defrost control with 30°F cold-off and 42°F warm-on at 120V AC
Walk-in freezers and coolers — RANCO A30-261 defrost control with 32°F cold-off and 61°F warm-on at 277V AC
Packaged HVAC units — RANCO A22-2451 SPDT defrost control with 46°F cold-off and 81°F warm-on at 277V AC
Industrial process cooling — RANCO P30-5827 lube oil pressure control with 0–350 psi range and 120-second delay
Ice machines and display cases — RANCO A30-180 defrost control with -4°F cold-off and 38°F warm-on at 120/240V AC
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RANCO Products

3G Electric supplies RANCO 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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