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A combination pressure gauge and diaphragm seal forming one unique instrument schaeffer gauge that used for low pressure corrosive media where diaphragm seal protection is needed. Process where low or high temperature will affect seal fill fluid. Specifications For SCHAEFFER GAUGE
Dial 4" (100mm), 6" (150mm) Case AISI 304 Stainless Steel Diaphragm AISI 316 stainless Steel Diaphragm and Socket Filling Food Grade Glycerin Filled Internal Stainless Steel Connection 1/2" or 1/4" NPT Stainless Steel, Welded Range 0-10" water/oz ... 0-15psi/kpa ... 0/300psi/kpa Accuracy Lower pressure 1.5%, pressure 1.0%