ZTVB ZTRB

ZTVB/ZTRB

Technical data

Pressure class PN16 (1.6 MPa)

Connection Internal pipe thread, see table on page 4

Flow characteristics Linear

Rangeabillity 50:1

Stroke 5 mm

Leakage control 0 % when the valve is closed

Media Hot or cold water. Also refrigerants (max. 30 % glycol).

Fluid temperature 1...110°C*

Material

Body Brass

Spindle Stainless steel

Plug Brass

Seat Brass

Packing box Brass with O-rings made of EPDM.

* The max. temperature is 140°C for the valves and 110°C for the RVAZ4 actuators.

Models

2-way valves Connection Kvs Max. diff.

pressure

ZTVB25-8

DN25 8 250 kPa

ZTVB32-15

DN32 15 250 kPa

ZTVB40-20

DN40 20 125 kPa

3-way valves Connection Kvs Max. diff.

pressure

ZTRB25-8

DN25 8 250 kPa

ZTRB32-15

DN32 15 250 kPa

ZTRB40-20

DN40 20 125 kPa

Suitable valve actuators

Valve actuator Supply voltage Control signal

RVAZ4-24

24 V AC 3-position

RVAZ4-24A

24 V AC 0...10 V