| back to product range |
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| Sight-glasses | Welding-in sight glasses |
| in
straight-through type, angle type and multiple-way type with flange
connection, welding ends and threaded ends |
in round and
rectangular type DIN
28120/28121 |
| Material: | cast iron | GG-25 | (EN-JL 1040) | |||
| ductile iron | GGG-40.3 | (EN-JS 1049) | ||||
| red iron | Rg5 | (2.1096.01) | ||||
| steel | Hll | (1.0425) | ||||
 |
RSt37-2 | (1.0038) | ||||
| cast steel | GS-C25 | (1.0619) | ||||
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| stainless steel casting | (1.4408) | |||||
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| stainless steel | (1.4571) | |||||
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| nominal diameter: | DN 3/8" - 2", DN 15 - 250 | |||||
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| nominal pressure: | PN 10 - 40 | |||||
