ZL31A

3-way flanged motorized globe valves

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ZL31A FOR MORE INFO

• DESCRIPTION
• TECHNICAL SPECIFICATION
• HOMOLOGATION AND INSTALLATION
• TECHNICAL LITERATURE

• DESCRIPTION
  0

  Globe valves for water flow rate control, with equal percentage feature, in ventilation, air-conditioning and
  heating systems.

   

  General features

  • Controlled fluid: cold and hot water with max 50% glycol volume.
  • Controlled fluid temperature 5 ÷ 120 ° C.
  • High closing point (▲).
  • Stainless steel shutter.
  • Stem in stainless steel.
  • EPDM O-ring stem seal.
  • Flow rate characteristic: – regulation port A – AB: equal percentage (VDI / VDE 2173) n (gl) = 3, bypass B – AB: linear (VDI / VDE 2173);
  • Leakage rate: adjustment port A – AB: max 0.05% Kvs, bypass B – AB: max. 1% of the value of kvs.
  • PN 16 flanges (according to ISO 7005-2);
  • GG25 valve.
  • Nominal pressure 1600 kPa.
  • Differential pressure ∆pmax 400 kPa.

  Electric features

  • Power supply: 230V 50/60Hz.
  • Power consumption:
    – from DN25 to DN50 – 6VA;
    – from DN65 to DN150 – 10VA.
  • Power supply cable 1m – 4×0,75 mm².
  • Tolerance range AC 198…264 V.
• ADVANTAGES
  0

  Globe valves for water flow rate control, with equal percentage feature, in ventilation, air-conditioning and
  heating systems.

   

  Advantages
• TECHNICAL SPECIFICATION

  CODE	KV	DN	RATED TRACE mm	ps (kPa)	∆pmax [kPa]	SUITABLE FOR	WEIGHT KG
  ZL31AA	10 m³/h	25	15	1600	400	O35A	4.7
  ZL31AB	16 m³/h	32	15	1600	400	O35A	7.2
  ZL31AC	25 m³/h	40	15	1600	400	O35A	9.2
  ZL31AD	40 m³/h	50	15	1600	400	O35A	12.2
  ZL31AE	58 m³/h	65	18	1600	400	O35A	19
  ZL31AF	90 m³/h	80	18	1600	400	O35A	24
  ZL31AG	145 m³/h	100	30	1600	400	O35A	34
  ZL31AH *	220 m³/h	125	40	1600	400	O35A	54.4
  ZL31AI *	320 m³/h	150	40	1600	400	O35A	72.6
  * delivery time and minimum purchase quantity upon request

• HOMOLOGATION AND INSTALLATION
  Homologation

  • Compliance with EN 60534-1:2005

  Installation and use

  • Vertical or horizontal mounting position.

  • Globe valves are operated by a O35A servocontrol with bidirectional rotation.
  • Suitable for hot and cold water, antifreeze up to 50% of the volume.
• TECHNICAL LITERATURE
  • Dichiarazione UE di conformità - Conformity EU declaration
• FAQS