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Watts Gate Valve: 2 1/2 in Nominal Valve Size, Cast Iron, Outside Screw and Yoke (OS&Y) - Cast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves
WattsCast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves

Watts Gate Valve: 2 1/2 in Nominal Valve Size, Cast Iron, Outside Screw and Yoke (OS&Y)

The WATTS Gate Valve (MPN OSY-RW-Gate21/2) is a 2 1/2 in nominal size cast iron Outside Stem & Yoke (OS&Y) general purpose gate valve. It features a cast iron wedge and cast iron bonnet, operated by a wheel. This…

SKU 3G-OTH-448960

Brand
Watts
Item
Gate Valve: 2 1/2 in Nominal Valve Size, Cast Iron, Outside Screw and Yoke
Category
Cast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves
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Technical Specifications

Watts
Manufacturer Part Number
OSY-RW-Gate21/2
Type
Cast Iron, Outside Screw and Yoke (OS&Y), Wheel
Wedge Material
Cast Iron
Bonnet Material
Cast Iron
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Gate Valve (MPN OSY-RW-Gate21/2) is a 2 1/2 in nominal size cast iron Outside Stem & Yoke (OS&Y) general purpose gate valve. It features a cast iron wedge and cast iron bonnet, operated by a wheel. This valve is designed for industrial flow control applications requiring a durable, non-rising stem configuration.

Frequently Asked Questions

What is the WATTS OSY-RW-Gate21/2 gate valve used for?

The WATTS OSY-RW-Gate21/2 is a 2 1/2 in cast iron outside stem and yoke (OS&Y) gate valve used for general-purpose industrial flow control. It is suitable for water, oil, and gas applications where a durable, non-rising stem configuration is required. The wheel-operated design allows reliable on/off service in piping systems.

What are the specifications of the WATTS OSY-RW-Gate21/2 gate valve?

The WATTS OSY-RW-Gate21/2 gate valve has a nominal size of 2 1/2 in, with a cast iron body, wedge, and bonnet. It features an outside screw and yoke (OS&Y) design and is operated by a wheel. The manufacturer part number is OSY-RW-Gate21/2. This valve is built for general-purpose flow control in industrial settings.

Where to buy the WATTS OSY-RW-Gate21/2 gate valve worldwide?

You can source the WATTS OSY-RW-Gate21/2 gate valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this WATTS cast iron OS&Y gate valve.

How to install the WATTS OSY-RW-Gate21/2 gate valve?

Install the WATTS OSY-RW-Gate21/2 gate valve by ensuring the pipeline is clean and the valve is oriented with the flow arrow. Use proper gaskets and torque bolts evenly to the manufacturer's specifications. The wheel-operated OS&Y design allows visual confirmation of the stem position. Always follow standard piping practices for cast iron valves.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts cast iron outside stem & yoke (os&y) general purpose gate valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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