These single seated valves are used for modulating control of hot / chilled water or steam in heating, ventilating and air conditioning systems.
The valves can be operated by linear actuators ML6420/ML6425 or ML7420/ML7425 or by pneumatic actuators MP953
FEATURES:
? Iron body with flanged end connections
? Low seat leakage rate
? High Close-off Pressure Rating (1000kPa)
? Metal to metal seating for long life span
? Self adjusting packing
? Accurate positioning to ensure state of the art temperature control
? Easy mounting of direct coupled electric and pneumatic actuators
? Approved according to DIN 32730
SPECIFICATIONS
Action Stem down to close
Nominal pressure rating PN16
Plug Pressure balanced plug
Flow characteristic Equal percentage, ngl = 3.4
Rangeability 50:1
Leakage rate less than 0.03 % of k VS
Stroke 20 mm
Valve body
End connections Flanged per ISO 7005-2
Material Cast iron (GG25)
Dimensions See Fig. 1
Trim
Seat Stainless steel, replaceable
Stem Stainless steel
Plug Stainless steel, skirt guided
Packing Spring loaded PTFE cone rings
Medium temperature
and pressure 2...120 C; max. 1600 kPa
120...150 C; max. 1400 kPa
150...170 C; max. 1370 kPa