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FOR CATEGORY 1 SYSTEMS

DN25 Fire Sprinkler Domestic Valve Set Manifold Riser

DMR25

DMR 1”/DN25 Fire Sprinkler Domestic Valve Set Riser Manifold complete with SIKA® VKF flow switch alarm for Category 1 Fire Sprinkler Domestic systems.

The Patent pending RiserTeQ™ DMR Fire Sprinkler Valve Set is focused on saving space within the specific environment for Fire Sprinkler Domestic valve set Riser Manifold in DN25 for applications also known at Category 1 systems.

The SIKA VKF fire sprinkler flow switch is approved with LPCB to EN12259-5 making it suitable for EN 16925:2018 installations and also BS9251:2021 from BSI.

DN25 Fire Sprinkler Domestic Valve Set USP’s:

  • The most compact fire sprinkler domestic valve set riser manifold on the market
  • One piece forging to reduce leak paths
  • Truly ambidextrous valve locking handle
  • No-Loss valve for pressure gauge removal in the field
  • O-ring grove for fire sprinkler flow switch to enhance leak protection
  • 25mm bore ball valves for high flow through put and low pressure loss
  • LPCB certified VKF SIKA Fire Sprinkler flow switch

The Fire Sprinkler valve set DMR25 system is specifically designed for tight spaces found in the Domestic category 1 fire sprinkler application. These locations can be in cupboards or under sinks in domestic houses, combined with the SIKA Fire Sprinkler flow switch this is the most compact Fire Sprinkler domestic valve set on the market today. The patent pending technology is the result of extensive research and development coupled with high quality components and finish. The DMR25 Fire Sprinkler valve set riser manifold is a major step into designing products suitable for Residential and Domestic fire sprinkler systems.

RiserTeQ is committed to designing and supplying high quality Fire Sprinkler Domestic valve sets which is also economical for the full service life of the product.

DMR technical data

Manifold

SizeDN25
Inlet connectionFemale G1”
Outlet connectionFemale G1”
Test point connectionFemale G1”
MediumWater
Medium temperature5 – 50 °C
Ambient temperature5 – 60 °C
Maximum pressure rating12 bar
Inlet valve internal boreDN25
Test point valve internal boreDN25

Pressure gauge

Size50mm
Pressure range0 – 16 bar
Accuracy1.6 FSD
StandardEN 837-1
Pressure scale0.2 bar
Pressure connectionG1/4″
Medium temperature5 – 50 °C
Ambient temperature5 – 60 °C

No-loss connector

Max pressure16 bar
Ambient temperatures5 – 60 °C
Process connectionsG1/4″ x 1/4″ BSPT

DMR pressure loss data

DN25

Dimensions

L1L2L3L4L5L6L7
225.091.023.552.599.599.556.5
D1D2D3D4D5F1
1″ BSPP ISO 2281″ BSPP ISO 2281″ BSPP ISO 228G1/4”G3/4 ISO 228ø6

Find Fire Sprinkler Domestic Valve Set Riser Manifold materials of construction and all product data in the datasheet..

VKF Fire Sprinkler Flow Switch

ModelVKF25 M2 Brass Fire Sprinkler Flow Switch
For RiserTeQ valve set sizeDN25
Max pressure rating12 Bar
Medium temperature-25 – 100 °C
Ambient temperature-25 – 70 °C
Setpoint (sensitivity)25 L/min*
Maximum surge5.5 m/s
MediumWater
* Water @ 20°C, Vertical Pipe (Flow Direction Upwards). Tolerance +/- 15%. Must be installed according to the manual.

Electrical specification

Electrical connectionPlug connector DN EN 175301-803-A inc. cable socket
Switch type1 x SPST
Electrical ratingMax. 26 VA, 20W
Switching voltageMax. 230 VAC, 48 VDC
Maximum rated current @ 230 VAC0.1 A
Maximum rated current @ 24 VAC0.8 A
Minimum rated current1 mA
Ingress protectionIP65
Protection class (EN 60730-1)Class II

Materials of construction

Body / HolderPPE+PS Noryl™ 30% GF
Paddle System / Disk / RivetBrass (CW614N, CW508L)
AxisStainless Steel 1.4571
MagentHard Ferrite

VKF approvals

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