Gate Valves

FGA_O20_RS21

Model FGA_O20_RS21
FGA_O20_RS21
FGA_O20_RS21

Summary Card

FunctionOn-Off isolation
Stem typeRising stem (OS&Y)
RangeDN 15 – 50
ConnectionISO 228
Material (Body)Bronze CC491K
Temperature range"-10 to 100 °C 7 bar at 170 °C"
Max. working pressure PN 20
MediaWater

Info

Use: On-off isolation

Avoid: Throttling and regulation

Why This Valve

Full flow isolation

Full flow isolation

Need content

Tight shut-off

Tight shut-off

Need content

Built for demanding systems

Built for demanding systems

Need content

Visible Position

Visible Position

Product Overview

The FIVC Bronze Gate Valve is designed for dependable full-flow isolation in potable water systems.
Its straight-through design ensures minimal pressure loss, while the solid bronze construction delivers long-term durability and tight shut-off performance. The rising stem design also provides clear visual confirmation of valve position while keeping critical threads outside the flow for improved reliability.

Technical Specifications

FunctionOn-Off isolation
Stem typeRising stem (OS&Y)
Bonnet typeScrewed bonnet
StandardBS EN 5154
ConnectionISO 228
External operationHandwheel
Testing standards"BS EN 12266-1 Shell test pressure: 3.0 MPa Sealing pressure: 2.2 MPa"

Materials

BodyBronze CC491K
BonnetBronze CC491K
WedgeBronze CC491K
StemDZR Brass CW602N
SeatBronze CC491K (integral in body)

Field of Application

Temperature range"-10 to 100 °C 7 bar at 170 °C"
Max. working pressure PN 20
MediaWater

Key Features

Corrossion resistanceOf durable materials, exhibiting excellent corrosion resistance.
Optimized flow efficiencyStraight-through bore minimizes pressure loss, supporting energy-efficient system operation.
Visible valve positionInstant visual confirmation of valve position while keeping critical threads outside the flow.
Secure shut-off Provides tight isolation for secure system operation.

Usage & Applications

UsageFlow isolation. Avoid throttling and regulation
ApplicationsHVAC, Plumbing, Chilled Water, Filtration, Irrigation, Water management

Declaration

ISO 228, WRAS

Full Technical Data

Quick Dimensions

FGA_O20_RS21

Size L H D Kg
15 43 112 55 0.37
20 49 125 63 0.56
25 54 143 70 0.84
32 62 170 70 1.07
40 65 198 80 1.43
50 75 233 90 1.97
FGA_O20_RS21

Name Material
1 Body Bronze CC491K BS EN 1982
2 Disc Bronze CC491K BS EN 1982
3 Bonnet bush Bronze CC491K BS EN 1982
4 Stem bush DZ Brass CW602N BS EN 12164
5 Stem packing PTFE
6 Ring Brass CW614N BS EN 12164
7 Packing nut DZ Brass CW614N BS EN 12164
8 Stem DZ Brass CW602N BS EN 12164
9 Handwheel Aluminium – black coated RAL 9005
10 Handwheel nut Aluminium
11 Handwheel nut Brass CW614N BS EN 12164
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