Polyethylene cross linked foam shells
Available for all main VIR valve series
Thickness 30mm
Thermal conductivity (lambda factor, kcal/mh°C)
● 0,0298 at 0°C
● 0,0303 at 10°C
● 0,0326 at 40°C
Working condizions: -60°C to +90°C

DZR brass ON/OFF terminal balancing valve
Misure da DN015 - 1/2" a DN020 - 3/4"
Threaded F/F (ISO 228/1)
Olive & nut kit (O/N) for European copper tubing on req.:
● DN015, kit for 15 mm pipe
● DN020, kit for 22 mm pipe
Tolerance on nominal Kv ±10%
(completely open, test according to BS7350)
Available on following versions:
● Fig. 9520, with plugged threaded drains (¼" ISO 7/1Rp)
(allow later mounting of test points)
● Fig. 9525, with test points
● Fig. 9526, with test points (high pressure TP with drain)

PN20 (Max 20bar up to 80°C, max 10bar at 130°C)
PN16 with O/N (Max 16bar up to 30°C, max 5bar at 120°C)

Working conditions:
● Water: -10°C to +130°C (120°C with O/N)
below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

Optional electric actuator
ON/OFF linear actuator for VIR valves series 9520
M30x1,5 threaded nut with fast connection
Stroke time: about 3 minutes
Stroke 4mm, thrust 100N
With 1m electric wire
Enclosure protection IP54
CE compliant
Power supply 50Hz or 60Hz
Versions for 230VAC or 24VAC available
Available in following versions:
● Nor. open (NO), opened by spring, closed by wax elem.
● Nor. closed (NC), closed by spring, opened by wax elem.
Working temperature: 0° to +60°C

Variable orifice cast iron double regulating valve Fig. 9555P
Flanged PN16 according to EN1092-2 (ex DIN2533)Lengths according to EN558-1 series 1 (ex DIN3202 F1)
Alkyd/acrylic single layer waterpaint coating (50-100μm)

Stainless steel wafer metering station Fig. 9450
For EN1092 PN16 flanges
Tolerance on nominal Kv ±5%
(completely open valve, test according to BS7350)

Diameters from DN065 - 2 1/2" to DN300 - 12"
Gost compliant

PN16

Working conditions:
● Water: -10°C to +120°
below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

Variable orifice cast iron double regulating valve
Diameters from DN065 - 2 1/2" to DN300 - 12"
Flanged PN16 according to EN1092-2 (ex DIN2533)Lengths according to EN558-1 series 1 (ex DIN3202 F1)
Alkyd/acrylic single layer waterpaint coating (50-100μm)
Tolerance on nominal Kv ±5%
(completely open valve, test according to BS7350)
Plugged threaded drains (¼" ISO 7/1Rp) for test points
Provided with test points (given unmounted)
Conforme Gost

PN16

Working conditions:
● Water: -10°C to +120°C
below 0°C only for water with added antifreezing fluid
over 100°C only for water with added anti-boiling fluids