106 8’’WPS® 80 8’’WPS® 100 8’’WPS® 130 8’’WPS® 150 Material specification Technical Data 8’’WPS® Pos. Component Material 8’’WPS® Material Code 8’’WPS®N Material Code 8’’WPS®NE Material Code 1 Discharge Chamber Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 2 Valve Cone Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 3 Valve Seat Stainless Steel/Rubber AISI 316 -1.4401 / NBR AISI 316 -1.4401 / NBR PTFE 4 Valve seat Retainer Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 5 Top Bearing Rubber NBR NBR PTFE 6 Top Diffuser Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 7 Impeller Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 8 Wear Ring Impeller Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 9 Nut for Conical Bush Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 10 Conical Bush Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 11 Diffuser Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 12 Neck Ring Stainless Steel/Rubber AISI 316 -1.4401 / NBR AISI 316 -1.4401 / NBR PTFE 13 Intermediate Bearing Rubber NBR NBR FTFE 14 Bottom Diffuser Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 15 Uptrust Washer Teflon PTFE PTFE PTFE 16 Nut Conical Bush for first Impeller Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 17 Suction Interconnector Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 18 Strainer Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 19 Shaft Stainless Steel AISI 431 - 1.4057 AISI 316 - 1.4401 AISI 316 - 1.4401 20 Coupling Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 21 Cable Guard Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 22 Strap Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 23 Nut Stainless Steel AISI 316 - 1.4401 AISI 316 - 1.4401 AISI 316 - 1.4401 24 Spring Stainless Steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401
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