Underground Fire Hydrant

Underground Fire Hydrant

  • PN 16
  • Material
    Ductile iron
  • Nominal diameter
    DN250
  • Face to face standard
    -
  • Flange drilling
    BS EN 1092
Features

Ductile lron Construction.


Corrosion Resistant Construction.


Excellent Flow Characteristics.


Air valve at the top of the pipe section.


Universal Drilled Inlet Flange BS EN 1092-2.


Alarm Check Valves should be installed vertically.


Rated Working Pressure: PN 16.


Fusion Bonded Epoxy Coated Interior and Exterior to ANSl/AWWA C550 Standard.


Material

No.

Part

Material

1

Body

D.I. EN-GJS-500-7

2

Guide

D.I. EN-GJS-500-7

3

Bearing

Brass

4

Spring

Stainless Steel 304

5

Disc

Stainless Steel 304+EPDM

6

Seat

Copper Alloy CC331G

7

Stem

Stainless Steel 304

8

Driving Nut

Copper Alloy CC331G

9

Interface Bushing

Copper Alloy CC331G

10

Interface Cover

D.I. EN-GJS-500-7

11

Opening Screw Press Ring

Brass

12

Bonnet

D.I. EN-GJS-500-7

13

Operating Screw Press Ring Nut

Brass

14

Operating Screw

Stainless Steel 304

15
Flow Sensor
Stainless Steel 304+Engineering Plastic 
16
Outlet Pipe
D.I. EN-GJS-500-7
17
Hose Connection KWA65
D.I. EN-GJS-500-7+Brass
18
Air Valve
D.I. EN-GJS-500-7+Stainless Steel 304
19
Wafer Worm Gear Butterfly Valve
D.I. EN-GJS-500-7+EPDM
20
Connecting Pipe
D.I. EN-GJS-500-7
21
Pressure Sensor
Stainless Steel 304+Engineering Plastic

Main Dimention

  • DN
    L1
    L2
    H
    H1
    D
    D1
    A
    B
    C
    n-d
  • 250
    270
    270
    738
    727
    405
    355
    870
    764
    22
    12-28