WGI Thermowells This device is used to protect a thermometer / thermocouple / rtd from any pressure in the process, and allows replacement of the instrument without shutting down the system. Specifications Standard Bore Sizes 0.260”, 0.385” & 0.702” Process Connections NPT threaded or Flanged (RF, FF & RTJ) Standard Materials 316 SS Optional Materials Brass or naval brass, aluminum, carbon steel, Chrome-moly, 304SS, 316LSS, alloy-20, inconel, Monel, nickel, titanium, hastelloy B or C & Teflon Optional Lagging Extensions, Stainless steel plug and chain, full penetration weld on flange, Teflon or Kynar coating, MTR test reports & hydrostatic internal testing Available Stem Lengths 2½” through 36” Process Connections 1/2”, 3/4” & 1” threaded NPT, 150#, 300# & 600# flanged 900# RTJ & 150# RTJ Process Connection Part Number Stem Length Insertion “U” Bore Size Overall Length ½-025-316 2 ½” 1 3/8” .260 2 ¾” ½-040-316 4” 2 ½” .260 4 ¼” ½-060-316 6” 4 ½” .260 6 ¼” ½” Male NPT ½-090-316 ST 9” 7 ½” .260 9 ¼” Process Connection Part Number Stem Length Insertion “U” Bore Size Overall Length ¾-025-316 2 ½” 1 3/8” .260 2 ¾” ¾-025-316-385 2 ½” 1 3/8” .385 2 ¾” ¾-025-316-702 2 ½” 1 3/8” .702 2 ¾” ¾-035-316-702 2 ½” 2” .702 2 ¾” ¾-040-316 4” 2 ½” .260 4 ¼” ¾-040-316-385 4” 2 ½” .385 4 ¼” ¾-040-316-702 4” 2 ½” .702 4 ¼” ¾-045-316-702 4 ¼” 3” .702 4 ¼” ¾-050-316-702 5” 3 ½” .702 5 ¼” ¾-060-316 6” 4 ½” .260 6 ¼” ¾-060-316-385 6” 4 ½” .385 6 ¼” ¾-060-316-702 6” 4 ½” .702 6 ¼” ¾-090-316 9” 7 ½” .260 9 ¼” ¾” Male NPT ¾-120-316 12” 10 ½” .260 12 ¼” Process Connection Part Number Stem Length Insertion “U” Bore Size Overall Length 1-025-316 2 ½” 1 3/8” .260 2 ¾” 1-025-316-702 2 ½” 1 3/8” .702 2 ¾” 1-035-316-702 2 ½” 2” .702 2 ¾” 1-045-316-702 4 ¼” 3” .702 4 ¼” 1-040-316 4” 2 ½” .260 4 ¼” 1-060-316 6” 4 ½” .260 6 ¼” 1-090-316 9” 7 ½” .260 9 ¼” 1” Male NPT 1-120-316 12” 10 ½” .260 12 ¼”
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