FOR CATEGORY 2, 3 & 4 INSTALLATIONS

DN25 Residential Valve Set Manifold Riser

RMR25

RMR25 1”/DN25 Fire Sprinkler Residential Valve Set Manifold Riser complete with SIKA® VKF flow switch alarm for Category 2, 3 & 4 Residential Fire Sprinkler systems.

The SIKA VKF Fire Sprinkler flow switch manufactured by SIKA is approved with LPCB, CE, UKCA to EN 12259-5 making it suitable for BS9251:2021 from BSI and also European EN16925:2018 installations.

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DN25 Residential Valve Set Manifold Riser USP’s include:

One piece forging to reduce leak paths
Forged mounting positions for Valve Monitor giving robust installations
No-Loss valve for pressure gauge removal in the field
½” BSP female port for further accessories like Pressure Switch or Test Solenoid Valve
O-ring grove for flow switch to enhance leak protection
25mm Full bore valves for high flow rates
Ultra low pressure drop design unique to DN25 Fire Sprinkler Residential Valve Set
LPCB certified VKF SIKA flow switch
CE, UKCA and WRAS SIKA flow switch

The Patent pending RiserTeQ™ RMR25 DN25 Fire Sprinkler Residential Valve Set is focused on saving space within a Residential environment for DN25 Fire Sprinkler Residential Valve Set applications. It can come complete with a Dual Sensor Valve Monitor to monitor the position of the inlet ball valve for tamper monitoring.

The RMR25 DN25 Fire Sprinkler Residential Valve Set features an O-ring grove for the SIKA Fire Sprinkler flow switch which helps to make it robust and reliable across the full product lifetime and all pressure ranges.

Side view of RMR25 DN25 Fire Sprinkler Residential Valve Set Manifold Riser with Ball Valve Monitor

Right view of RMR25 DN25 Fire Sprinkler Residential Valve Set Manifold Riser with Ball Valve Monitor

RMR25 DN25 Fire Sprinkler Residential Valve Set technical data

Manifold

Size	DN25
Inlet connection	Female G1”
Outlet connection	Female G1”
Test point connection	Female G1”
Medium	Water
Medium temperature	5 – 50 °C
Ambient temperature	5 – 60 °C
Maximum pressure rating	12 bar
Inlet valve internal bore	DN25
Test point valve internal bore	DN25

Valve Monitor


Cable entries	2 x M20 Cable Glands – IP66 2 x Rubber Glands – IP66
EOL Resister Input	Yes
Flow Switch / Alarm Resister Input	Yes
Connector Type for Resisters	Removable 2 Pin
Ingress Protection	IP54
Maximum Voltage	24 VDC

Pressure gauge

Size	50mm
Pressure range	0 – 16 bar
Accuracy	1.6 FSD
Standard	EN 837-1
Pressure scale	0.5 bar
Pressure connection	G1/4″
Medium temperature	5 – 50 °C

No-loss connector


Max pressure	16 bar
Ambient temperatures	5 – 50 °C
Process connections	G1/4″ x 1/4″ BSPT

Pressure loss data – RMR DN25 Fire Sprinkler Residential Valve Set

DN25

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Dimensions

RMR25

L1	L2	L3	L4	L5	L6
344.5	162	178.5	270	143.5	112

D1	D2	D3	D4	D5	D6	F1
1″ BSPP ISO 228	1″ BSPP ISO 228	G3/4″ ISO 228	1″ BSPP ISO 228	G1/2″	G1/4″	ø6

Find Residential Riser Manifold materials of construction and all product data in the datasheet. Find the download below.

Download datasheet

VKF Fire Sprinkler Flow Switch

Model	VKF25 M2 Brass
For RiserTeQ valve set size	DN25
Max pressure rating	12 Bar
Medium temperature	-25 – 100 °C
Ambient temperature	-25 – 70 °C
Setpoint (sensitivity)	25 L/min*
Maximum surge	5.5 m/s
Medium	Water

* Water @ 20°C, Vertical Pipe (Flow Direction Upwards). Tolerance +/- 15%. Must be installed according to the manual.

Electrical specification


Electrical connection	Plug connector DN EN 175301-803-A inc. cable socket
Switch type	1 x SPST
Electrical rating	Max. 26 VA, 20W
Switching voltage	Max. 230 VAC, 48 VDC
Maximum rated current @ 230 VAC	0.1 A
Maximum rated current @ 24 VAC	0.8 A
Minimum rated current	1 mA
Ingress protection	IP65
Protection class (EN 60730-1)	Class II