172-65613A-03 (DR8-3P/DR8-3EP/DR8-6P/DR8-6EP) 11 Jun 2020
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 indications on the spring housing for detailed specifications.
Connection Standard No.
CNo.**
Production
Lot No.
Inner Diameter
Primary Pressure Range
Secondary Pressure Adjustable Range
Connection Standard
Nominal Diameter
Maximum Allowable
Pressure/Temperature*
Maximum Operating
Pressure/Temperature
Model
*Maximum allowable pressure (PMA) and maximum
allowable temperature (TMA) are PRESSURE SHELL
DESIGN CONDITIONS,
NOT
OPERATING CONDITIONS.
**CNo. (Charge/Mill No.) is displayed for products with
options. This item is omitted when there are no options.
Acceptable Operating Range
Model
DR8-3P/DR8-3EP
DR8-6P/DR8-6EP
Primary Pressure Range
0.2 to 0.4 MPaG
(30 to 60 psig)
0.4 to 0.8 MPaG
(60 to 115 psig)
Adjustable Pressure Range
0.018 to 0.3 MPaG
(2.5 to 45 psig)
0.27 to 0.6 MPaG
(40 to 85 psig)
No more than a maximum of 75% of the primary pressure
(1MPa = 10.197 kg/cm
2
)
