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VIR Valvoindustria Ing. Rizzio S.p.A.

Balancing Valves

Balancing Valves

VIR Valvoindustria Ing. Rizzio S.p.A.

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Description

Fixed Orifice DZR Brass Double Regulating Valve

Threaded F/F (ISO 228/1 for DN15 and DN20, ISO 7/1 Rp above)

Also available with drain on high pressure test point (Fig. 9516)

Design according to BS7350

Tolerance on nominal Kvs +/- 3% (test according to BS7350)

PN25 (Max 25bar up to 110°C, max 20bar above)

Working Conditions :

Suitable for water -10°C to +130°C (120°C with O/N kit)

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

More from us

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More products by VIR Valvoindustria Ing. Rizzio S.p.A.

Trade fair innovation

PICV (Pressure Independent Control Valve)

DZR Brass Pressure Independent Control Valve (PICV)

Threaded M/M for union ends (ISO 228/1)

With differential pressure regulator for Dp up to 400kpA

Tolerance on nominal regulated flow +/- 15%

Available in the following versions :

9700 without test points (this does not allow the installation of test points)
9705 with test points

Flow modulation always use the whole valve stroke (independently from the presetting)

With threaded M30x1,5 connection for linear actuator

PN20 (Max 20bar up to 100°C, max 10bar at 130°C)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

By-Pass & Connection Kits for Terminal Unit

Valve for mounting on HVAC Terminal Units (fan coils, heat exchangers and so on)

Available in the following versions :

with four F threaded (ISO 228/1) mounted union ends
without union ends (unions can be ordered as option in any configuration)

Air testing according to EN12266-1

Available in 40mm or 80mm center to center version

One piece body with integral by-pass channel

Blow-out proof stems

PN25 (Max 25bar up to 110°C, max 20bar above)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

Ductile Iron Lug Butterfly Valve

For EN1092 PN16 flanges (also PN10 for DN150 and below)

Lengths according to EN558-1 series 20

Design according to EN593

Testing according to EN12266-1

Epoxy coating (min. 150um)

Available with nikel plated ductile iron disc or stainless steel disc

EPDM seat, EPDM stem O-rings, PTFE Bushing

With lever or manual gear

With ISO 5211 flange for electric or pneumatic actuator

PN16 (PN10 for DN350 or above)

Working conditions :

- Suitable for : water -10°C to +110°C

below 0°C only for water with added antifreeze fluids

- Not suitable for : gases group 1&2, liquids group 1 (Dir. 2014/68/EU)

Trade fair innovation

Full Port Brass Ball Valve with Reversible Handle

Nickel plated Full Port Brass Ball Valve

Threaded F/F (ISO 228/1)

Threads and internal parts not plated

Air testing according to EN12266-1

Chromium plated ball, PTFE seats

Blow-out proof stem, FKM + NBR stem O-rings

Reversible Handle

PN32 (Max 32bar up to 85°C, max 10bar at 130°C)

When used with air Max 20bar up to 110°C, max 10bar at 130°C

Working conditions :

Suitable for : water, 0°C to +130°C
Suitable for : air, -10°C to +130°C

Trade fair innovation

PICV (Pressure Independent Control Valve)

DZR Brass Pressure Independent Control Valve (PICV)

Threaded M/M for union ends (ISO 228/1)

With differential pressure regulator for Dp up to 400kpA

Tolerance on nominal regulated flow +/- 15%

Available in the following versions :

9700 without test points (this does not allow the installation of test points)
9705 with test points

Flow modulation always use the whole valve stroke (independently from the presetting)

With threaded M30x1,5 connection for linear actuator

PN20 (Max 20bar up to 100°C, max 10bar at 130°C)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

By-Pass & Connection Kits for Terminal Unit

Valve for mounting on HVAC Terminal Units (fan coils, heat exchangers and so on)

Available in the following versions :

with four F threaded (ISO 228/1) mounted union ends
without union ends (unions can be ordered as option in any configuration)

Air testing according to EN12266-1

Available in 40mm or 80mm center to center version

One piece body with integral by-pass channel

Blow-out proof stems

PN25 (Max 25bar up to 110°C, max 20bar above)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

Ductile Iron Lug Butterfly Valve

For EN1092 PN16 flanges (also PN10 for DN150 and below)

Lengths according to EN558-1 series 20

Design according to EN593

Testing according to EN12266-1

Epoxy coating (min. 150um)

Available with nikel plated ductile iron disc or stainless steel disc

EPDM seat, EPDM stem O-rings, PTFE Bushing

With lever or manual gear

With ISO 5211 flange for electric or pneumatic actuator

PN16 (PN10 for DN350 or above)

Working conditions :

- Suitable for : water -10°C to +110°C

below 0°C only for water with added antifreeze fluids

- Not suitable for : gases group 1&2, liquids group 1 (Dir. 2014/68/EU)

Trade fair innovation

Full Port Brass Ball Valve with Reversible Handle

Nickel plated Full Port Brass Ball Valve

Threaded F/F (ISO 228/1)

Threads and internal parts not plated

Air testing according to EN12266-1

Chromium plated ball, PTFE seats

Blow-out proof stem, FKM + NBR stem O-rings

Reversible Handle

PN32 (Max 32bar up to 85°C, max 10bar at 130°C)

When used with air Max 20bar up to 110°C, max 10bar at 130°C

Working conditions :

Suitable for : water, 0°C to +130°C
Suitable for : air, -10°C to +130°C

Trade fair innovation

PICV (Pressure Independent Control Valve)

DZR Brass Pressure Independent Control Valve (PICV)

Threaded M/M for union ends (ISO 228/1)

With differential pressure regulator for Dp up to 400kpA

Tolerance on nominal regulated flow +/- 15%

Available in the following versions :

9700 without test points (this does not allow the installation of test points)
9705 with test points

Flow modulation always use the whole valve stroke (independently from the presetting)

With threaded M30x1,5 connection for linear actuator

PN20 (Max 20bar up to 100°C, max 10bar at 130°C)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

By-Pass & Connection Kits for Terminal Unit

Valve for mounting on HVAC Terminal Units (fan coils, heat exchangers and so on)

Available in the following versions :

with four F threaded (ISO 228/1) mounted union ends
without union ends (unions can be ordered as option in any configuration)

Air testing according to EN12266-1

Available in 40mm or 80mm center to center version

One piece body with integral by-pass channel

Blow-out proof stems

PN25 (Max 25bar up to 110°C, max 20bar above)

Working Conditions :

Suitable for water -10°C to +130°C

below 0°C only for water with added antifreeze fluids
over 100°C only for water with added anti-boiling fluids

(Ethylene glycol or propylene glycol mixtures up to 50% may be used)

Trade fair innovation

Ductile Iron Lug Butterfly Valve

For EN1092 PN16 flanges (also PN10 for DN150 and below)

Lengths according to EN558-1 series 20

Design according to EN593

Testing according to EN12266-1

Epoxy coating (min. 150um)

Available with nikel plated ductile iron disc or stainless steel disc

EPDM seat, EPDM stem O-rings, PTFE Bushing

With lever or manual gear

With ISO 5211 flange for electric or pneumatic actuator

PN16 (PN10 for DN350 or above)

Working conditions :

- Suitable for : water -10°C to +110°C

below 0°C only for water with added antifreeze fluids

- Not suitable for : gases group 1&2, liquids group 1 (Dir. 2014/68/EU)

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ISH 2025 Contactor – Products, Exhibitors, Contacts

Balancing Valves

Balancing Valves

VIR Valvoindustria Ing. Rizzio S.p.A.

Description

More from us

More products by VIR Valvoindustria Ing. Rizzio S.p.A.

Full Port Brass Ball Valve with Reversible Handle

PICV (Pressure Independent Control Valve)

By-Pass & Connection Kits for Terminal Unit

More information about ISH

About ISH

Events of ISH

Building. Technology. Solutions.