ZTV ZTR

Revision 12 2015
— 3 —
ZTV/ZTR
Technical data
Application Heating systems, cooling systems, fan-coil units, ventilation systems
Pressure rating PN16
Connection, actuator M30 x 1.5
Connection BSP externally threaded according to ISO 228/1
Flow characteristics Equal percentage
Max. leakage 0 % of the kvs value
Media Hot water, cold water, glycol-mixed water (max. 30 % glycol)
Media temperature 1…110 °C (the valve has a max. temperature of 140°C, the RVAZ4 actuators have a max. temperature of 110°C)
Rangeability 50:1
Stroke 5.5 mm
Material
Body Brass CW614N
Seat Brass CW614N
Plug Brass CW614N
Stem Stainless steel 1.4305
Seat packing EPDM
O-rings EPDM
2-way valves
Article Nominal diameter Connection Kvs Max. diff. pressure Actuator
ZTV15-0,25 DN15 G1/2” 0.25 350 kPa RVAZ4
ZTV15-0,4 DN15 G1/2” 0.4 350 kPa RVAZ4
ZTV15-0,6 DN15 G1/2” 0.6 350 kPa RVAZ4
ZTV15-1,0 DN15 G1/2” 1.0 350 kPa RVAZ4
ZTV15-1,6 DN15 G1/2” 1.6 350 kPa RVAZ4
ZTV20-2,0 DN20 G3/4” 2.0 250 kPa RVAZ4
ZTV20-2,5 DN20 G3/4” 2.5 250 kPa RVAZ4
ZTV20-4,0 DN20 G3/4” 4.0 150 kPa RVAZ4
ZTV20-6,0 DN20 G3/4” 6.0 150 kPa RVAZ4
ZTV25-7,0 DN25 G1” 7.0 70 kPa RVAZ4
3-way valves
Article Nominal diameter Connection Kvs Max. diff. pressure Actuator
ZTR15-0,25 DN15 G1/2” 0.25 350 kPa RVAZ4
ZTR15-0,4 DN15 G1/2” 0.4 350 kPa RVAZ4
ZTR15-0,6 DN15 G1/2” 0.6 350 kPa RVAZ4
ZTR15-1,0 DN15 G1/2” 1.0 350 kPa RVAZ4
ZTR15-1,6 DN15 G1/2” 1.6 350 kPa RVAZ4
ZTR20-2,0 DN20 G3/4” 2.0 250 kPa RVAZ4
ZTR20-2,5 DN20 G3/4” 2.5 250 kPa RVAZ4
ZTR20-4,0 DN20 G3/4” 4.0 100 kPa RVAZ4
ZTR20-6,0 DN20 G3/4” 6.0 100 kPa RVAZ4
ZTR25-7,0 DN25 G1” 7.0 70 kPa RVAZ4
S
ystemair Sverige AB
Industrivägen 3 · SE-739 30 Skinnskatteberg
[phone] · [e-mail]