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2-PORT FLANGED SEAT VALVES PN 25 (1 ... 120 °C), PN 20 (120 ... 200 °C)

VS 2..

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APPLICATION

Control valves for plants with:

hot or superheated water max. 200 °C.
steam max. 6 bar.

With temperature above 130 °C use the actuator spacer ADS S12.

FEATURES

Body in cast iron GGG 40.3.
Seat and plug in stainless steel.
Flanged unions PN 25 (ISO 7005/2).
Equal percentage control.
Control ratio 50 : 1.
Let by: 0.05% Kvs.

Code		DN mm	Kvs ⁽¹⁾m³/h	Run mm.	Suitable actuators											Data sheet
Code		DN mm	Kvs ⁽¹⁾m³/h	Run mm.	CLE 16. 11s./mm		CLE 10. 7s./mm		CLF 16. 11s./mm		CLF 04. 3s./mm		CEF D16. ⁽⁵⁾ 3s./mm			Data sheet
				15	bar ⁽²⁾	s ⁽³⁾	bar ⁽²⁾	s ⁽³⁾	bar ⁽²⁾	s ⁽³⁾	bar ⁽²⁾	s ⁽³⁾	bar ⁽²⁾	bar ⁽⁴⁾	s ⁽³⁾
VS 211		15	0.63	15	25	165	9	105	25	165	25	45	22	6	165	M 951
VS 213		15	1.6	15	25	165	9	105	25	165	25	45	22	6	165
VS 215		15	4.0	15	17	165	9	105	25	165	20	45	16	6	165
VS 220		20	6.3	15	11	165	4	105	25	165	13	45	10	6	165
VS 225		25	10	15	6	165	2	105	16	165	8	45	5	5	165
VS 232		32	16	15	3	165	1	105	9	165	5	45	2.5	2.5	165
VS 240		40	25	15	2	165	–	–	6	165	3	45	2	2	165
VS 250		50	40	15	1	165	–	–	3	165	2	45	0.5	0.5	165

(1) : Kvs Flow coefficient: Flow in m³/h with valve open and pressure drop of 100 kPa. - 100 kPa = 10 mWG = 1 bar
(2) : bar Maximum pressure differential (∆p max) with hot or superheated water permitted by actuator.
(3) : s Time (seconds) necessary for actuator to make the complete valve run.
(4) : bar Maximum pressure differential (∆p max) with steam permitted by actuator.
(5) : actuator with emergency closure.

ACCESSORIES

Code Description

ADS S12 Actuator spacer (12 cm.) for VE 2.. valves with temperature > 130 °C

PRESSURE DROP IN VS 2.. SEAT VALVES