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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More than two pressure cycles may be desirable. The following is a list of compound pressure: The filled capillary is then assembled to the instrument and seal in the same manner as the seal and instrument assembly described in para. Pressure Connection O-ring union? International Organization for Standardiza?

This test applies only to sealed cases, without venting. The diaphragm flatness should be checked in the same manner as ase in para. The consequences of incompatibility can range assme contamination to explosive failure.

Find a contact in your vicinity. It is usually expressed as a percentage of span per unit of time. Connection location shall be at the lower back or bottom of the case. A barometric pressure SI Abbreviation bar bar kPa? Dual scale dials are useful where gauges are employed on equipment that may be used internationally, or where users plan to convert from one unit of measure to another over a period of time.

Gauges that are obviously not working or indicating erroneously should be immediately valved off or removed from service to prevent further damage. The accuracy, after a zero adjustment is made, shall meet the requirements of para. Two gauges of each design, size, range, and elastic element style shall be subjected to the qualification inspection. These gauges indicate in terms of absolute pressure, but will be in error by the difference between the ambient pressure and Gauges used on regulators are stem mounted and have 1?


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

The following factors must be considered when remote mounting is required: Duplex indicator pointers shall be orange left and green right.

The entire set of upscale and downscale readings shall then be repeated.

Accuracy error includes hysteresis and repeatability errors, but not friction error. The fill fluid should not support bacteriological growth or react with the materials of the diaphragm seal or the instrument.

ASME B Archives – Impact Industrial Sales

Diaphragm seals with Teflon? By joining you are opting in to receive e-mail. The pressure connection shall asmee in accordance with Table C The former metric units, which are being replaced by the SI units. Sealed systems contain fixed volumes of liquid. Process pressure is the maximum and minimum medium pressure that will be applied to the diaphragm seal.

The error is constant over the entire scale, and if the temperature is stable, within limits, it can assme corrected by resetting the pointer. Sometimes a material more corrosion resistant than that of the heavier bottom housing or associated piping should be considered.

ASME B Pressure Gauges and Gauge Attachments – Free Download PDF

Pressure indicated by the height of the liquid column, measured at the meniscus. The difference in readings at each test point between room temperature and the maximum operating temperature is the high temperature error. In the case of surface or flush mounting, the panel shall be sufficiently rigid to ensure that its motion will be essentially the same as the motion of the platform of the vibration machine.


Pressure regulators, diaphragm chemical seals, pulsation dampers or snubbers, syphons, and other similar items, are available for use in these potentially hazardous systems. The calibration fluid must be compatible with the medium. The upper housing with its welded diaphragm is separated from the retainer flange. A psi Grade 3A gauge, with errors of 0. Click Here to join Eng-Tips and talk with other members! The user should become familiar with all sections of this Standard, as all aspects of safety cannot be covered in this section.

Pressure gauge testing standards and procedures are discussed in section 6.

ASME B40.100

Removal of the connection between the mid-housing and the lower housing permits access to the process side of the diaphragm without loss of the seal between the upper housing and the diaphragm. Under these conditions, the stated accuracy does not necessarily apply.

B4.0100 Groove Detail Fig. Dials shall indicate the units in which the scale is graduated. This capillary may be enclosed in a protective armor.

Fill fluid is placed in the reservoir. It is expressed as a percentage of span. Conti, Dresser Industries J.