Control valve
Suitable in building and process engineering for various mediums. Suitable with stuffing box extension or stem seal with stainless steel bellow and for valves made of stainless steel from -30°C up to 350°C.
Technical description
Application:
Chilled and hot-water with max. 50% antifreeze and anti-corrosive compounds: glycol, ethyl alcohol glycol, mono ethyl alcohol, ethyl, methyl alcohol, glycerine, antifrogen® N+L, media based on mineral oil, steam, oil, acids and lye.
Function:
CV216/225/240S/240E: 2-way control valve
CV316/325/340S/340E: 3-way mixing or diverting valve with reduced closing pressure
Characteristics:
CV 216/225/240S/240E:
DN 15-50: equal % (option: linear)
DN 65-300: equal % mod. (option: linear)
Perforated plug: equal % (option: linear)
CV 316/325/340S/340E:
DN 15-40: A–AB equal % (option: linear), B–AB linear
DN 50-300: A–AB equal % mod. (option: linear), B–AB linear
Dimensions:
CV216: DN 125-300
CV316: DN 15-300
CV225/325: DN 15-200
CV240/340S, CV240/340E: DN 15-300
Pressure class:
CV216/316: PN 16
CV225/325: PN 16/25/40
CV225/325 (DN 150): PN 16/25
CV225/325 (DN 200): PN 16
CV240S/340S: PN 16/25/40
CV240E/340E: PN 16/25/40
Temperature:
Max. working temperature: 180°C
Min. working temperature: 0°C
For lower and higher temperatures (-30°C – 350°C) please contact TA Hydronics.
Material:
Body:
CV216/2161): Cast iron EN-JL1040
CV225/325: Spheroidal graphite EN-JS1024
CV240S/340S: Cast steel 1.0619+N
CV240E/340E: Stainless steel 1.4408
Plug: CrNi-steel 1.4057. CV240E/340E: CrNi-steel 1.4571.
Stem: CrMo-steel 1.4122. CV240E/340E: CrNi-steel 1.4571.
Stem sealing:
EPDM O-rings: 0 - 180°C (chilled and hot-water with max. 50% antifreeze and anti-corrosive compounds: glycol, ethyl alcohol glycol, mono ethyl alcohol, ethanol, methyl alcohol, glycerine, antifrogen® N+L).
FKM O-rings: 0 - 200°C (media based on mineral oil).
Fluoraz® O-rings: 0 - 200°C (hot water, steam, oil, acids and lye).
Graphite-packing2): 0 - 350°C (hot water, steam, oil, acids and lye).
Marking:
TA, PN, DN and flow direction arrow.
(in case of 3-way valves names of ports also - A, B, AB)
Connection type:
CV216/225/316/325: Flanges according to EN 1092-2 type 21.
CV240S/240E/340S/340E: Flanges according to EN 1092-1 type 21.
Face to face:
According to EN 558-1 basic series 1.
Leakage rate:
EN 1349 - seat-leakage IV L1 (≤ 0.01% of Kvs-value).
Max. lift of the control valve:
DN 15-40: 20 mm
DN 50-65: 30 mm
DN 80-100: 50 mm
DN 125-200: 60 mm
DN 250-300: 80 mm
Range ability:
≥50:1
Actuators:
MC103, MC163, MC253, MC403, MC503, MC1003 or MC1503.
1) Due to a change in material, we reserve the right to supply valves in higher grade spheroidal graphite EN-JS1024.
2) Only in combination with stuffing box extension or stem seal with stainless steel bellow.