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The Model 1981 and 1981 Advantage 4-1/2" Process Gauges have all 316L stainless steel wetted surfaces with a seamless bourdon tube. The 1981 Advantage includes a dampened movement option to provide users with some of the benefits of liquid filling. These gauges have a PET turret style case for chemical and petrochemical processing applications. The PET material gives this case superior impact strength and a broad spectrum of chemical resistance. They are available dry, with a dampened movement, or liquid filled from the factory or your local stocking distributor, liquid fill kit, or the E-Z Fill design to facilitate filling in the field without special tools.
The Model 1981 and 1981 Advantage 4-1/2" SOLFRUNT gauges are supplied in 30 vacuum, compound, and pressure ranges from 30" Hg vacuum through 11,600 psi. The lowconnected PET turret case can be easily liquid filled in the field using the appropriate conversion kit.
Span adjustments can be accomplished from rear of case without disturbing the gauge internals. Pointer adjustments are easily made by removing ring and window.
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