R2..xx-S.. BELIMO HVAC Characterised control valve, 2-way, Internal thread

Type	kvs [ m³/h]	DN [ ]	Rp [”]	PN [ ]	n(gl) [ ]	Sv min. [ ]
R2015-P25-S1	0.25	15	1/2	40	3.2	50
R2015-P4-S1	0.4	15	1/2	40	3.2	50
R2015-P63-S1	0.63	15	1/2	40	3.2	50
R2015-1-S1	1	15	1/2	40	3.2	50
R2015-1P6-S1	1.6	15	1/2	40	3.2	50
R2015-2P5-S1	2.5	15	1/2	40	3.2	50
R2015-4-S1	4	15	1/2	40	3.2	100
R2015-6P3-S1	6.3	15	1/2	40	3.2	100
R2020-4-S1	4	20	3/4	40	3.2	100
R2020-6P3-S1	6.3	20	3/4	40	3.2	100
R2025-6P3-S2	6.3	25	1	40	3.2	100
R2025-10-S2	10	25	1	40	3.2	100
R2032-10-S2	10	32	1 1/4	25	3.2	100
R2032-16-S2	16	32	1 1/4	25	3.2	100
R2040-16-S2	16	40	1 1/2	25	3.2	100
R2040-25-S2	25	40	1 1/2	25	3.2	100
R2050-25-S3	25	50	2	25	3.2	100
R2050-40-S3	40	50	2	25	3.2	100

Technical data
Functional data	Media	Cold and warm water, water with glycol up to max. 50% vol.
	Medium temperature	-10...120°C Medium temperature note The allowed media temperature can be limited, depending on the type of actuator. Limitations can be found in the respective data sheets of the actuators.
	Closing pressure Δps	1400kPa
	Differential pressure Δpmax	350kPa
Differential pressure note 200kPa for low-noise operation
	Flow characteristic	Equal percentage (VDI/VDE 2178), optimised in the opening range
	Leakage rate	Leakage rate A, air-bubble-tight (EN 12266-1)
	Pipe connectors	Internal thread according to ISO 7-1
	Angle of rotation	90° (Operating range 15...90°)
	Installation position	Upright to horizontal (in relation to the stem)
	Maintenance	Maintenance-free
Materials	Housing	Brass body nickel-plated
	Closing element	Stainless steel
	Stem	Stainless steel
	Stem seal	O-ring EPDM
	Valve seat	PTFE, O-ring EPDM
	Characterising disc	TEFZEL