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Home > Welch Pump Fittings
Welch Pump Fittings
Brass; Use with ISO to female pipe adaptors; Hose Barb 1/4; Thread 1/4 NPT; Hose I.D. 3/16 and 3/8
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Stainless steel; Centering Ring w/O-Ring; Replaceable Viton o-ring seal; NW 40; A = 1.575; Replacement O-Ring B = 0.210 C = 1.600
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Condenser with fittings for Capture Vapor Recovery System; Condensor system.
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Filters to 0.3 micron size; reduces pump noise; screw-in type; easy replacement of element; diameter 5.0 height 9.0
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Use when pumping continuously above 1 Torr; separates oil mist from the exhaust and actively returns the oil to the pump via a gas ballast connection
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Exhaust silencer for 2012, 2022, 2030, 2015, 2017Installed in the exhaust port to filter out noise.
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Exhaust Silencer for 2581 is installed in the exhaust port to filter out noise.
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Stainless Steel constuction; Borosilicate microfiber element; Flouroelastomer gaskets; Prevents corrosive vacuum pump exhaust gases from escaping into the room
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Aluminum; Closure by wing and nut bolt; ISO NW 16; Clamp Width 0.612; A = 2.612; B = 1.625
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Aluminum; Closure by wing and nut bolt; ISO NW 40; Clamp Width 0.625; A = 3.735; B = 2.600
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For adding an exhaust line; Hose ID 7/16; For pump models 1405 and 1402
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Fits O.D. 1-5/8" red vacuum hose
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Stainless Steel; Makes differing sizes of ISO flanges; ISO F1 NW 40, ISO F2 NW 25
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Replacement Sensor Tube; For Thermocouple Vacuum Gauge PN 1515
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ISO NW to rubber vacuum hose; Aluminum; NW 40; Hose I.D. 1-5/8; A = 1.63; B = 2.17
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For Welch Pump Models 1399,1400,8905,8890
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Welch Inlet-Exhaust ISO NW 25 Connector 1393G for Pump Models 1402,1380,1376,8920,8925,8907,8912,8917,1405
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