

NIAGARA Gate Valve – Model GB1 & GB1LS
High-quality bronze gate valve with non-rising stem design. WRAS approved for potable water applications and built to BS EN 12288 standards for durability and reliable shut-off performance.
Technical Data | |
---|---|
End Connections | Taper threaded BS EN 10226 (formerly BS 21) |
Material: | Bronze |
Pressure Rating: | PN20 |
Pressure / Temperature: | 20 bar from -10°C to 100°C, 9 bar at 180°C, BS EN 12288 PN20 |
Size: | 1/4" to 4 |
Test Pressure: | Body: 6 bar – Seat: 6 bar (hydraulic), Hydraulic (2 1/2" to 4"): 21/2" to 4", Pneumatic (1/4" to 2"): 30 bar – Seat: 22 bar |

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- Description
- Additional information
Description
NIAGARA Gate Valve – Model GB1 & GB1LS
The GB1 and GB1LS models are robust and high-performance bronze gate valves designed for smooth flow control and secure shut-off in water systems.
Manufactured with integral seating surfaces and a non-rising stem, these valves ensure reliable operation in confined spaces.
They are Kitemarked to BS EN 12288 and WRAS approved for use with wholesome (potable) water in sizes from 1/2″ to 2″, making them ideal for domestic and commercial plumbing systems.
The bronze construction provides superior corrosion resistance, long service life, and suitability for a wide range of operating conditions.
Technical Specifications:
-
Size: 1/4″ to 4″
-
Pressure Rating: PN20
-
End Connections: Taper threaded BS EN 10226 (formerly BS 21)
-
Material: Bronze
-
Test Pressure:
-
Body: 6 bar – Seat: 6 bar (hydraulic)
-
Hydraulic (2 1/2″ to 4″): 21/2″ to 4″
-
Pneumatic (1/4″ to 2″): 30 bar – Seat: 22 bar
-
-
Pressure / Temperature:
-
BS EN 12288 PN20
-
9 bar at 180°C
-
20 bar from -10°C to 100°C
-
Additional information
Size: | 1/4" to 4 |
---|---|
Pressure Rating: | PN20 |
End Connections | Taper threaded BS EN 10226 (formerly BS 21) |
Material: | Bronze |
Test Pressure: | Body: 6 bar – Seat: 6 bar (hydraulic), Hydraulic (2 1/2" to 4"): 21/2" to 4", Pneumatic (1/4" to 2"): 30 bar – Seat: 22 bar |
Pressure / Temperature: | 20 bar from -10°C to 100°C, 9 bar at 180°C, BS EN 12288 PN20 |
Overview
NIAGARA Gate Valve – Model GB1 & GB1LS
The GB1 and GB1LS models are robust and high-performance bronze gate valves designed for smooth flow control and secure shut-off in water systems.
Manufactured with integral seating surfaces and a non-rising stem, these valves ensure reliable operation in confined spaces.
They are Kitemarked to BS EN 12288 and WRAS approved for use with wholesome (potable) water in sizes from 1/2″ to 2″, making them ideal for domestic and commercial plumbing systems.
The bronze construction provides superior corrosion resistance, long service life, and suitability for a wide range of operating conditions.
Technical Specifications:
-
Size: 1/4″ to 4″
-
Pressure Rating: PN20
-
End Connections: Taper threaded BS EN 10226 (formerly BS 21)
-
Material: Bronze
-
Test Pressure:
-
Body: 6 bar – Seat: 6 bar (hydraulic)
-
Hydraulic (2 1/2″ to 4″): 21/2″ to 4″
-
Pneumatic (1/4″ to 2″): 30 bar – Seat: 22 bar
-
-
Pressure / Temperature:
-
BS EN 12288 PN20
-
9 bar at 180°C
-
20 bar from -10°C to 100°C
-
Details
specifications | |
---|---|
End Connections | Taper threaded BS EN 10226 (formerly BS 21) |
Material: | Bronze |
Pressure Rating: | PN20 |
Pressure / Temperature: | 20 bar from -10°C to 100°C, 9 bar at 180°C, BS EN 12288 PN20 |
Size: | 1/4" to 4 |
Test Pressure: | Body: 6 bar – Seat: 6 bar (hydraulic), Hydraulic (2 1/2" to 4"): 21/2" to 4", Pneumatic (1/4" to 2"): 30 bar – Seat: 22 bar |
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