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3G Electric
WATTS Cast Iron OS&Y Gate Valve, 2-1/2 in, Wheel Operated, OSY-RW-Gate21/2 - Cast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves
WattsCast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves

WATTS Cast Iron OS&Y Gate Valve, 2-1/2 in, Wheel Operated, OSY-RW-Gate21/2

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

Also listed as: OSYRWGate212 · OSY RW Gate21 2 · OSY-RW-Gate21-2

Brand
Watts
Item
Cast Iron OS&Y Gate Valve, 2-1/2 in, Wheel Operated, OSY-RW-Gate21/2
Part Number
OSY-RW-Gate21/2
Category
Cast Iron Outside Stem & Yoke (OS&Y) General Purpose Gate Valves
Available to Order
Also known as:OSY-RW-Gate21/2Watts
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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

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

Technical Documents

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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
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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