Nibco, Inc.
Nibco, Inc. S29 1 1/2 in. Bronze Gate Valve 200 psi
A bronze gate valve rated for 200 psi with sweat connections and a non-rising stem
- TypeDrain Components
- Bronze body resists corrosion for long service life
- 200 psi rating handles high-pressure water systems
- Non-rising stem saves space in tight installations
- Sweat connection ensures leak-free copper pipe joints
- Solid brass wedge provides reliable shut-off performance
Bronze Gate Valve for Water Systems
The Nibco S29 is a bronze gate valve designed for water supply lines in residential and light commercial plumbing. Its 200 psi pressure rating suits standard municipal and well-pump pressures. The non-rising stem keeps the handle height constant, which helps in tight spaces where a rising stem would hit framing or insulation.
Sweat Connection and Bronze Construction
Both ends use sweat connections for direct soldering to copper pipe, creating a permanent, leak-resistant joint without threaded adapters. The body and bonnet are cast bronze with a screw-in bonnet design, while the solid wedge and seat are brass with an EPDM seal. The bronze stem and wheel handle resist corrosion from water exposure over long service periods.
Full-Port Shutoff With No Flow Regulation
Gate valves like the S29 are built for fully open or fully closed service only; they do not throttle flow. The solid wedge design provides a tight shutoff when closed, but partial opening can cause vibration and seat wear. The 200 psi steam rating matches the water rating, though the valve is intended primarily for cold and hot water distribution rather than steam systems.
Highlights
- Bronze body resists corrosion for long service life
- 200 psi rating handles high-pressure water systems
- Non-rising stem saves space in tight installations
- Sweat connection ensures leak-free copper pipe joints
- Solid brass wedge provides reliable shut-off performance
Specifications
| Type | Drain Components |
|---|---|
| Brand | Nibco |
| Model | S29 1 1/2 |
Questions about this item
What does the 200 psi pressure rating mean for water and steam service?
The valve is rated for 200 psi maximum operating pressure for both water and steam applications.
What pipe preparation does the sweat connection require?
The sweat ends need clean, fluxed copper pipe that is soldered in place for a permanent joint.
How is the stem assembled, and what mistake damages the seal?
The non-rising bronze stem threads into the screw-in bonnet; over-tightening the bonnet can crush the EPDM seal.
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