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

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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