<p>Sight glass fitting</p><table class="techDescTable"><thead><tr><th><b>DN</b></th><th><b>D</b></th><th><b>k</b></th><th><b>&#216;</b></th></tr> </thead><tbody><tr class="Even"><td>25</td><td>115</td><td>85</td><td>63</td></tr><tr class="UnEven"><td>40</td><td>150</td><td>110</td><td>80</td></tr><tr class="Even"><td>50</td><td>165</td><td>125</td><td>100</td></tr><tr class="UnEven"><td>80</td><td>200</td><td>160</td><td>125</td></tr><tr class="Even"><td>100</td><td>220</td><td>180</td><td>150</td></tr><tr class="UnEven"><td>125</td><td>250</td><td>210</td><td>175</td></tr><tr class="Even"><td>150</td><td>285</td><td>240</td><td>200</td></tr><tr class="UnEven"><td>200</td><td>340</td><td>295</td><td>250</td></tr></tbody></table><p><span class="tDescSmall">&#216; = dia. of sight glass plate</span></p><br><p><b>Standart version</b></p><p>- Base and cover flange according to DIN 28120</p><p>- made out of stainless steel material 1.4571, 14404 (block flange), with WAZ EN 1024-3.1 AD-W2</p><p>- cover flange made of stainless steel 1.4301/ 1.4541</p><p>- with stud bolt and hex-head nuts</p><p>- with Klingersil seal</p><p>- with Borosilicate glass plate according to DIN 7080</p><br><p><b>Options</b></p><p>- Materials 1.4435 BN2, 1.4539, 1.4529, 1.4462, 1.4429, etc.</p><p>- deviating standards</p><p>- different glas-materials</p>