Reid Vapor Pressure Cylinder

ASTM D323 IP 69 ISO 3007 VAPOR PRESSURE OF PETROLEUM PRODUCTS (REID METHOD)
This test method covers procedures for the determination of vapor pressure (see Note 1) of gasoline, volatile crude oil, and other volatile petroleum products.
Procedure A is applicable to gasoline and other petroleum products with a vapor pressure of less than 1,8 bar/26 psi/180 kPa.
Procedure B may also be applicable to these other materials, but only gasoline was included in the interlaboratory test program to determine the precision of this test method.
Procedure C is for materials with a vapor pressure of greater than 1,8 bar/26 psi/180 kPa.
Procedure D for aviation gasoline with a vapor pressure of approximately 0.5 bar/7 psi/50 kPa.
This test method is not applicable to liquefied petroleum gases or fuels containing oxygenated compounds other than methyl t-butyl ether (MTBE).

REID VAPOR PRESSURE CYLINDER >26Reid vapor pressure cylinder

For a pressure above 26 psi (180 kPa). Made of chromiumplated brass consisting of a liquid chamber with two valves:
one valve ½” BSP male coupling with vapor chamber and one valve ¼” BSP male for inlet line and vapor chamber with two ½” BSP female for coupling with the liquid chamber and pressure gauge.
Tested at 220 psi (1520 kPa).

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