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RANCO Sight Glass: Brass - Sweat Connection Sight Glasses
RANCOSweat Connection Sight Glasses

RANCO 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 product, identified by MPN RSG-5S, is designed for visual monitoring of fluid flow in industrial piping systems.

SKU 3G-OTH-71818

Also listed as: RSG5S · RSG 5S

Brand
RANCO
Item
Sight Glass: Brass
Category
Sweat Connection Sight Glasses
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Technical Specifications

RANCO
Manufacturer Part Number
RSG-5S
Material
Brass

Technical Documents

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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 product, identified by MPN RSG-5S, is designed for visual monitoring of fluid flow in industrial piping systems.

Frequently Asked Questions

What is a RANCO sight glass used for?

A RANCO sight glass allows visual monitoring of fluid flow, level, or clarity in industrial piping systems. The brass RSG-5S model is commonly used in HVAC, refrigeration, and process lines to detect bubbles, contamination, or flow interruptions without disassembling the system.

What are the specifications of the RANCO RSG-5S sight glass?

The RANCO RSG-5S is a sweat connection sight glass made of brass, with a length of 5 3/4 inches. It is designed for permanent installation in copper tubing systems, providing a clear view of fluid condition under operating pressures typical of refrigeration and HVAC circuits.

Where to buy a RANCO sight glass worldwide?

3G Electric supplies the RANCO RSG-5S sight glass worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass sweat connection sight glass.

How to install a RANCO sweat connection sight glass?

Install the RANCO RSG-5S by brazing or soldering it into a copper line using standard refrigeration practices. Ensure the sight glass is oriented vertically or horizontally as per system design, and avoid overheating the brass body. Always follow manufacturer guidelines for pressure and temperature limits.

Used in

Common applications for RANCO
Commercial refrigeration — RANCO A12-1506 constant differential defrost control for walk-in freezer defrost cycles
HVAC system protection — RANCO RHS-250150 high-limit pressure switch for overpressure safety in chillers
Industrial cooling — RANCO O12-1506 dual pressure control for monitoring suction and discharge pressures in refrigeration racks
Food storage — RANCO O10-1408 temperature control for maintaining -15°F to 40°F in cold storage rooms
Compressor protection — RANCO P30-3701 mechanical lube oil pressure control for Danfoss compressors in supermarket refrigeration
Refrigerant filtration — RANCO RBFD-163 liquid line filter drier for moisture removal in HCFC systems up to 50 tons

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This sweat connection refrigeration ball valve from RANCO features a 1 3/8 in female sweat connection and an access port. It has no relief port and is A2L compatible. With an operating temperature range of -40°F to 250°F, it is suitable for controlling refrigerant flow in HVAC and refrigeration systems
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This sweat connection refrigeration ball valve from RANCO features a 1 3/8 in female sweat connection and an access port. It has no relief port and is A2L compatible. With an operating temperature range of -40°F to 250°F, it is suitable for controlling refrigerant flow in HVAC and refrigeration systems
This sweat connection refrigeration ball valve features a 2 5/8 in female sweat connection and includes an access port. It has no relief port and is A2L compatible. The valve operates within a temperature range of -40°F to 250°F. Typical applications include flow control in HVAC and refrigeration systems
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This sweat connection refrigeration ball valve features a 2 5/8 in female sweat connection and includes an access port. It has no relief port and is A2L compatible. The valve operates within a temperature range of -40°F to 250°F. Typical applications include flow control in HVAC and refrigeration systems
RANCO Ball Valves: 1.9 Cv, 1/4 in Female Sweat, Access Port, No Relief Port, -40°F to 250°F (MPN RBVS-014)
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This sweat connection refrigeration ball valve features a 1 5/8 in female sweat connection and an access port for service access. It operates within a temperature range of -40°F to 250°F and is A2L compatible for use with low-flammability refrigerants. The valve has no relief port and is used for isolating or controlling refrigerant flow in HVAC and refrigeration systems
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This sweat connection refrigeration ball valve features a 1 5/8 in female sweat connection and an access port for service access. It operates within a temperature range of -40°F to 250°F and is A2L compatible for use with low-flammability refrigerants. The valve has no relief port and is used for isolating or controlling refrigerant flow in HVAC and refrigeration systems
This refrigeration ball valve features 7/8 in female sweat connections for brazed installation. It operates within a temperature range of -40°F to 250°F and is A2L compatible for use with low-flammability refrigerants. The valve has no access port and no relief port, providing a straightforward shut-off function in HVAC and commercial refrigeration systems
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This refrigeration ball valve features 7/8 in female sweat connections for brazed installation. It operates within a temperature range of -40°F to 250°F and is A2L compatible for use with low-flammability refrigerants. The valve has no access port and no relief port, providing a straightforward shut-off function in HVAC and commercial refrigeration systems
This sweat connection refrigeration ball valve features a 1 5/8 in female sweat connection and is A2L compatible. It has no access port or relief port and operates within a temperature range of -40°F to 250°F. Used in HVAC and refrigeration systems for isolating refrigerant flow
RANCO
This sweat connection refrigeration ball valve features a 1 5/8 in female sweat connection and is A2L compatible. It has no access port or relief port and operates within a temperature range of -40°F to 250°F. Used in HVAC and refrigeration systems for isolating refrigerant flow

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