Harris Regulator Pressure Gauge 63 mm 400 PSI / 2800 kPa - 9007250 NR-311 preheat to 200–300°F (93–149°C) improves

preheat to 200–300°F (93–149°C) improves fusion and reduces porosity by driving off surface moisture

Whether working on standard or specialty projects

Lincoln OEM RATING PLATE S31444-5 - 9SS31444-5

additional flux paste may help

Harris Regulator Pressure Gauge 63 mm 400 PSI / 2800 kPa - 9007250 NR-311 preheat to 200–300°F (93–149°C) improvesHarris Regulator Pressure Gauge 63 mm 400 PSI 2800 kPa 9007250 Harris 400 PSI 2800 kPa 63mm replacement pressure gauge has a gold metallic painted steel case, polycarbonate clear threaded one piece lens, steel dial and brass lower mount male stem with 1 4 in. NPT thread connection. The dual scale red and black markings on a white background makes it easy to read. This gauge is ideal for gas distribution to denote the pressure levels on Regulators