44 1 4 2 0 1 9 1 7 1 8 1 6 1 5 2 2 2 1 1 0 5 9 1 1 1 2 1 3 8 7 4 6 3 1 2 1 5 1 9 2 0 1 7 1 8 1 6 9 1 0 5 1 4 2 1 2 2 4 1 3 1 2 1 1 8 7 6 2 3 1 Material specification Technical Data 4’’WPS® 1,5 4’’WPS® 2,5 4’’WPS® 4 4’’WPS® 7 4’’WPS® 13 4’’WPS® 20 Pos. Component Material 4’’ WPS® Material Code 4’’ WPS®N Material Code 4’’ 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 304 - 1.4301/NBR AISI 316 - 1.4401/NBR AISI 316 - 1.4401/FKM 4 Retainer for Valve Seat Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 5 Hook Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 6 Top Diffuser Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 7 Top Spacer Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 8 Top Bearing Stainless steel/Rubber AISI 304 - 1.4301/NBR AISI 316 - 1.4401/NBR AISI 316 - 1.4401/FKM 9 Nut M8 Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 10 Washer 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 Impeller Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 13 Neck ring Teflon PTFE PTFE PTFE 14 Indermediate Bearing Rubber NBR NBR FKM 15 Bottom Diffuser Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 16 Suction Interconnector Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 17 Strainer Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 18 Bottom Spacer Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 19 Shaft with NEMA coupling Stainless steel AISI 304 - 1.4301 AISI 904L - 1.4539 AISI 904L - 1.4539 20 Cable Guards Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 21 Strap Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 22 Nut M8-M10 Stainless steel AISI 304 - 1.4301 AISI 316 - 1.4401 AISI 316 - 1.4401 23 Up-trust Washer Teflon PTFE PTFE PTFE 1 4 2 0 1 9 1 7 1 8 1 6 1 5 2 2 2 1 1 0 5 9 1 1 1 2 1 3 8 7 4 6 3 1 2 1 5 1 9 2 0 1 7 1 8 1 6 9 1 0 5 1 4 2 1 2 2 4 1 3 1 2 1 1 8 7 6 2 3 1 4’’WPS®
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