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The XR-Series from US Gauge starts with a Model 1981 process gauge and welds that to a XR diaphragm seal. All the components of the diaphragm seal are welded together internally and the seal is welded to the socket of the pressure gauge. This removes any leak paths traditionally found in a threaded pressure gauge and diaphragm seal combinations.
The XR-81 is an all 316L model with a 1981 Solid Front Process Gauge, and the XR-86 is an all Monel combination with a 1986 gauge. The XR seal is also available with a Hastelloy C diaphragm seal, or with a 4” Model 656 stainless steel gauge.
Gauge sizes: 4 ½”, 4”
| Gauge | Model 1981 with 316L SST socket and 316L SST seamless Bourdon tube, or Model 1986 with MONEL socket and MONEL seamless Bourdon tube |
| Ranges | From 0 to 15 psi to 0 to 3000 psi |
| Process Connection | 1/2 NPT male connection standard, other connections available upon request |
| Seal Wetted Parts | 316L stainless steel, MONEL, HASTELLOY C bodies; 316L stainless steel, MONEL, HASTELLOY C and Tantalum diaphragms; other wetted materials may be available upon request |
| Seal Fill Fluid | DC 200 silicone standard; other fills available upon request |
| Options | Orifice restrictors on gauge; flush port on seal, Sta-Kool™ cooling element, shatter-resistant window on gauge, and capillaries |
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