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Internal hydrant with constant flow DN25

symbol dn25
symbol_Qconst
symbol ce

Internal hydrant with constant flow with semi-rigid hose 25 mm. Mounted on the wall (Z) or recessed (W). Nominal working pressure from 0.2 MPa to 1.2 MPa.

HYDRANT DIMENSION:
Height:900 mm
Width:700 mm
Depth:250 mm
RECESS DIMENSION:
Height:920 mm
Width:720 mm
Depth:260 mm
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HYDRANT DIMENSION:
Height:900 mm
Width:700 mm
Depth:250 mm
RECESS DIMENSION:
Height:920 mm
Width:720 mm
Depth:260 mm

Files to download

Specially developed solutions allow to install hdrant in the supply network with a pressure of up to 2.5 MPa.
Find out more about hydrants with constant flow.

Standard design:

  • hydrant cabinet STANDARD – steel sheet lacquered with Facade type polyester powder paint in red (RAL 3000) or white (RAL 9003) color; thanks to cover hinge cabinet door are opening for 180º
  • hydrant in a suspended (Z) or recessed (W) version. Recessed version supplied with foldable flange
  • 25 brass hydrant valve Supron 3 manufacturing
  • 25 ball valve
  • pressure control and adjustment device
  • fire hose reel in RAL 3000 color hinged for 180°, with water axis and brake for controlling the unwind force
  • φ25mm semi-rigid fire hose 20 m or 30 m length according to PN-EN 694, fixed connection to water axis by crimping the hose with aluminum sleeve
  • hydrant nozzle type PWh-25 according to PN-EN-671-1, fixed connection to fire hose by crimping the nozzle with aluminum sleeve
  • valve and water axis connection hose; all thread connections without hose clamps
  • Patent lock
  • marking: sign “Hydrant” according to PN-EN ISO 7010:2012 + information plate according to PN-EN 671-1
  • documentation: instruction of assembly and maintenance
  • instruction of change from right to left side, guarantee card
  • identification number

Code Type Hose length Lock Supports/bases *
[height x depth]
Number of
supports/bases
Technical drawing

Instruction
S-HQ25-Z30-XXXX mounted on the wall 30 m Patent S-C-PODSTAWA-550X250 2 pcs.
S-HQ25-Z20-XXXX mounted on the wall 20 m
S-HQ25-W30-XXXX mounted in a recess 30 m S-C-PODPORA-550X235 2 pcs.
S-HQ25-W20-XXXX mounted in a recess 20 m
XXXX – means a color from the RAL palette (red 3000 or white 9003)
* Bases or supports are additional equipment sold separately

Internal hydrants with constant flow have been tested by CNBOP-PIB in Józefów, testing report no 203/BS/13.

Test results of internal hydrant PN-EN 671-1[Z25/30]QConst with fixed setting of the output pressure (factory setting).

Water flow rate Type of water current Supply pressure values
Q [dm3/min] 0,5 MPa 1,0 MPa 1,5 MPa
Compact jet 62,3 61,9 62,1
Dispersed jet 63,8 63,6 63,5

Type of lock

Patent lock

Large quantity of cabinets can be opened with one key. The key for emergency opening is located behind the safety glass.

Euro lock

Twist lock adapted to put seal on.

Additional equipment

MCP

Fire Alarm Manual Call Point