172-65634MAJ-03 (A-DR20) 6 Oct 2021
4
Specifications
Install properly and DO NOT use this product outside the recommended
operating pressure, temperature and other specification ranges.
Improper use may result in such hazards as damage to the product or
malfunctions which may lead to serious accidents. Local regulations
may restrict the use of this product to below the conditions quoted.
CAUTION
Use only under conditions in which no freeze-up will occur. Freezing
may damage the product, leading to fluid discharge, which may cause
burns or other injury.
CAUTION
Refer to the product nameplate for detailed specifications.
* Valve No. is displayed for products with options. This item is omitted from the nameplate
when there are no options.
Acceptable Operating Range
Model
A-DR20-2
A-DR20-6
A-DR20-10
Primary Pressure Range
0.2
– 1.0 MPaG
(30
– 150 psig)
0.6
– 1.0 MPaG
(85
– 150 psig)
Pressure Adjustable Range
0.014
– 0.2 MPaG
(2
– 30 psig)
(but limited to
1
/
30
of
primary pressure)
0.18 - 0.6 MPaG
(27
– 85 psig)
0.54
– 0.9 MPaG
(76
– 125 psig)
No more than a maximum of 90% of the primary pressure
Maximum Operating
Temperature
100 °C (212
F)
Minimum Adjustable Flow
Rate
5% of the rated flow rate
(1 MPa = 10.197 kg/cm
2
)
Model
Nominal Diameter
Maximum Operating
Temperature
Valve No.*
Secondary Pressure
Adjustable Range
Primary Pressure
Range
Production Lot No.
