ASME B40.100 PDF

Must be ASME B compliant. 9. The manufacturer is to provide a 5 year product warranty. Pressure gauges to be Winters P3S Series or approved. Buy ASME B Pressure Gauges and Gauge Attachments (B – ) from SAI Global. Buy ASME B (R) PRESSURE GAUGES AND GAUGE ATTACHMENTS from SAI Global.

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Pressure Test Gauge ASME B

Ordering Parameters asms Related Standards. These diaphragms are soft and may sag when the liquid is poured. The purpose of this construction is to exclude ambient corrosives or protect the internals from damage caused by severe vibration or pulsation.

The fill fluid must be compatible with all materials asje contacts such as O-rings, gaskets, diaphragms, pressure elements, and housings.

The maximum pressure shall be maintained for at least 10 min. A third method is to install the diaphragm seal directly in the process flow line. This type of seal consists of an elastomeric bladder installed within the connection of a pressure instrument or within an adapter axme see Fig.

Materials readily susceptible to sea water corrosion damage for example, brass, aluminum, beryllium copper, mild steel shall not be used for threaded fasteners or washers. The user shall take proper precautions so that cleanliness levels for socket and pressure element are maintained after the gauge is removed from its package for installation. A venting device must be used to completely reduce the pressure to zero before unlocking covers, removing fittings, or performing other similar activities.


Pointer adjustment can only be used to match the indication to a reference pressure at one point on the scale and should not be depended upon to recalibrate the gauge. Feet shall indicate feet depth of seawater. Find a contact asje your vicinity. For applications requiring mounting in other than this position, consult the supplier. Digital Transformation may be defined in a number of different ways asmf analysts or enterprise software vendors.

These assemblies can be filled as a unit using the procedures described in para. Aasme drawings are not intended to show design detail. Sanitary application, such as food processing require diaphragm seals to be easily cleaned after use. In addition, consideration should be given to environmental effects such as corrosion of the external portions of the diaphragm seal.

Some examples of this type of adjustment are qsme pointers, rotatable dials, rotatable movements, and other similar items.

To ensure conformance to the standard grade to which the pressure gauge was manufactured, it should asmf checked before use. Persons wishing to attend any meeting should contact the Secretary of the B40 Standards Committee.

Several methods may be employed to fasten the upper, mid, and lower housing together. The frequency of such testing will depend on their demonstrated ability to retain accuracy 21 5. If the cleanliness requirements of the intended application are not covered in Table 2, the user should so advise the manufacturer. Above this pressure, azme The difference between the first set of readings at each test point and the latest set of readings at each test point is fatigue b40.100 at this point.

For higher ranges, the percentage of error becomes proportionately less. Glycerin or silicone fill fluids are not suitable for all applications.


Gauges used on oxygen regulators shall comply with cleanliness Level IV or better. Graduations shall not extend beyond the calibrated portion of the scale.

It should also include the equivalent saturation temperature scale markings on the dial. Process media should not be sufficiently viscous, or of the type that will solidify in the takeoff pipe or the lower housing of the diaphragm seal within the limits of the ambient and process temperatures.

These fluids must be avoided where strong oxidizing agents including, but not limited to, oxygen, chlorine, nitric acid, and hydrogen peroxide are involved. Except as otherwise specified in the contract or purchase order, the manufacturer may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the purchaser.

The gauge shall then be allowed to stabilize at room temperature and then be checked for accuracy, in accordance with para. Gauges contaminated with hydrocarbon pressure media shall not be used on oxygen regulators.

8008A Pressure Gauge meets EN837-1 and ASME B40.100 standards.

For this reason, more accurate gauges are generally made in larger sizes see Table 1. Test fluids containing hydrocarbons should not be used when the medium is oxygen or other oxidants. Such an adjustment could cause a significant error at pressures above or below the setting point.