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Gate Valves

FGA_N25_NB231

Model FGA_N25_NB231
FGA_N25_NB231
FGA_N25_NB231

Summary Card

FunctionOn-Off isolation
Stem typeNon-rising stem (NRS)
RangeDN 40 – 400
ConnectionEN 1092-2 PN 25
DimensionsFace-to-Face EN 558-1 series 3
Material (Body)Ductile Iron GGG40
Temperature range-10 to 85 °C
Max. working pressure PN 25
MediaPotable water
Approval
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Info

Use: On-off isolation
Avoid: Throttling and regulation

Why This Valve

WRAS approved

WRAS approved

Ready for drinking water

Full flow isolation

Full flow isolation

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Tight shut-off

Tight shut-off

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Built for demanding systems

Built for demanding systems

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Product Overview

The FIVC Gate Valve is designed for dependable full-flow isolation in potable water systems.
Its straight-through design ensures minimal pressure loss, while the solid Ductile Iron construction delivers long-term durability and tight shut-off performance.

Technical Specifications

FunctionOn-Off isolation
Stem typeNon-rising stem (NRS)
Bonnet typeBolted bonnet
StandardBS 5163
ConnectionEN 1092-2 PN 25
DimensionsFace-to-Face EN 558-1 series 3
External operationHandwheel
Testing standardsBS EN 12266-1 Shell test pressure: 3.75 MPa Sealing pressure: 2.75 MPa

Materials

BodyDuctile Iron GGG40
BonnetDuctile Iron GGG40
WedgeDuctile Iron GGG40 + WRAS EPDM
StemStainless Steel 2Cr13
SeatDuctile Iron GGG40 (integral in body)

Field of Application

Temperature range-10 to 85 °C
Max. working pressure PN 25
MediaPotable water
Approval

Key Features

Corrossion resistanceOf durable materials, exhibiting excellent corrosion resistance.
WRAS-approvedCertified for potable water installations and compliant with drinking water regulations.
Optimized flow efficiencyStraight-through bore minimizes pressure loss, supporting energy-efficient system operation.
Reliable mechanical operationNon-rising stem design ensures secure operation in confined installations.
Secure shut-off Provides tight isolation for secure system operation.

Usage & Applications

UsageFlow isolation. Avoid throttling and regulation
ApplicationsPotable water, HVAC, Plumbing, Chilled Water, Filtration, Irrigation, Water management

Declaration

EN-1092-2-WRAS

Full Technical Data

Datasheet
Datasheet
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2D Drawing
2D Drawing
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Quick Dimensions

FGA_N25_NB231
Size L H D1 D0 n-ød Kg
40 178 210 110 160 4-ø19 7
50 178 236 125 160 4-ø19 9
65 190 249 145 160 8-ø19 11
80 203 275 160 180 8-ø19 13
100 229 322 190 200 8-ø23 18
125 254 377 220 250 8-ø28 35
150 267 424 250 250 8-ø28 40
200 292 500 310 300 12-ø28 67
250 330 591 370 350 12-ø31 102
300 356 695 430 400 16-ø31 140
350 381 785 490 500 16-ø34 190
400 406 895 550 500 16-ø37 277

Full Technical Data

Datasheet
Datasheet
Download
2D Drawing
2D Drawing
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FGA_N25_NB231
N° Component Material
1 Body Ductile Iron GGG40
2 Wedge Ductile Iron GGG40 + WRAS EPDM
3 Stem Stainless Steel 2Cr13
4 Stem nut Brass HMn58-2
5 Sealing ring WRAS EPDM
6 Bonnet Ductile Iron GGG40
7 Screw Gr.8.8
8 Gasket Brass C83600
9 Gland Brass HMn58-2
10 O-Ring WRAS EPDM
11 Dust ring WRAS EPDM
12 Hand Wheel Ductile Iron GGG40
13 Washer Stainless Steel SS304
14 Bolt Stainless Steel SS304
Frequently Asked Questions
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+45 69 15 25 00
mna@flowconivc.com
Need Help?

Get in touch with our experts

Your personal information will be processed in accordance with our Privacy Policy.
+45 69 15 25 00
mna@flowconivc.com