Water Meter Spare Parts Non Return Valve Dn13-25

Non return valve  for water meters from DN15-50,include multi jet and single jet
plastic material
prevent the water flow back


Multi-jet Dry Type Vane Wheel Water Meter
It is a multi-jet super dry water meter for residential 
application in sizes 15mm-20mm for cold  and hot meter.

Features
Compact design with smaller meter body.
Brass body is only 570g weight for save cost
45° inclined register, hot wire tamper proof.
Magnetic drive mechanism with anti-magnetic protection.
External regulation device

Standards Compliance 

Directive 2004/22/EC on measuring instruments; 
the European  Standard EN14154+A1+A2: Water Meter; 
the International  Organization of Legal Metrology OIML R-49: 2006(E)

Optional Features 
Several lengths and connections available on request
Non return Valve
Reed switch option

Working Conditions
Water temperature: ≤50ºC for cold water meter  
                                    ≤90ºC for  hot water meter 
Water pressure:   ≤1MPa or 1.6MPa optional
                  (10bar or 16bar option)

Accessories
Each meter has one set coupling optional: 2pcs coupling, 2pcs coupling nuts and 2pcs washers.

Installation requirements
The meter should be installed in horizontal position with the direction of the flow as 
indicated by the arrow cast in the meter body with the register face upwards.
Pipeline must be flushed before installation.
The meter should be constantly full of water during operation.

Maximum Permissible Error
In the lower zone from Qmin inclusive up to but excluding Qt is ±5%.
In the upper zone from Qt inclusive up to and including Qs is: cold water meter ±2%.

 

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