Seeders.A planting machine that uses crop seeds as the object of sowing. Planters used for a certain type or crop are often named with the name of the crop type, such as grain drills, corn drills, cotton seeders, forage spreaders, etc. Agricultural Seeders,High Performance Planter Seed Machine,Vegetable Seeder Machine,Farm Machinery Seed Planter Machine Jiangsu Minnuo Group Co.,Ltd , https://www.js-minnuomachinery.com
It is a volumetric rotary piston water meter for residentialÂ
application in sizes 15mm-40mm for cold meter.
Features
Ensures high sensitivity and accurate registration throughout a wide flow range Â
Mechanical transmission movement equates to maximum reliability. Â
Corrosion resistant body
Liquid sealed register, easy reading and long time clear reading
Low starting flow rate.
Internal non return valve, internal strainer
Install in any position
Standards ComplianceÂ
Directive 2004/22/EC on measuring instruments;Â
the European  Standard EN14154+A1+A2: Water Meter;Â
the International  Organization of Legal Metrology OIML R-49: 2006(E)
Optional FeaturesÂ
Several lengths and connections available on request
Non return Valve
Reed switch option
Working Conditions
Water temperature: ≤50ºC for cold water meter Â
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 asÂ
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%.
 
DN(mm)
15
20
25
40
Size(inch)
1/2"
3/4"
1â€
1-1/2"
Q4(m³/h)
3.125
5
7.875
20
Q3(m³/h)
2.5
4
6.3
16
R160
Q2(l/h)
22.5
40
63
160
Q1(l/h)
15.62
25
39.37
100
R200
Q2(l/h)
20
32
50.4
128
Q1(l/h)
12.5
20
31.5
80
Max.Reading (m³)
9999
99999
Min.Reading (Liter)
0.02
02
Max.Pressure (bar)
16
Pressure Loss (ΔP)
63
Max.Temperature
T30 or T50
Pulse Output OptionÂ
MID Certificated Volumetric Piston Brass Water Meter
Model NO.: PD-A
Principle: Volumetric Meter
Medium Pressure: General Water Meter
Work Environment: Wet Water Meter
Stucture: Traditional
Material: Brass
Type: Volumetric Rotary Piston Type
Size: 15mm-50mm
Temperature: 0 Degrees Celsius to 50 Degrees Celsius
Working Pressure: 16 Bar
Dial Reading: 0.02L to 99999 Cubic Meter
Pressure Loss: 63
Connecting Standard: Bsp & NPT
Trademark: Aimei
Specification: Export Standard
Origin: China
HS Code: 9028201000
Volumetric Rotary Piston Water MeterVmax=24V,Imax=100mA,Pmax=2W
Â