Catalog excerpts
Perchè impiegare valvole a farfalla? Economicità. Tenuta idraulica al 100%. Bassa perdita di carico. Superiore tenuta con minor sforzo di manovra. Installazione semplificata. Facile manutenzione e lunga durata. Why butterfly valve? Economical. 100% tight shut off and no leakage. Low pressure loss. More strength with less weight. Simple installation and mounting. Easy repair / maintenance and long service life. Dove usare le valvole a farfalla? Linee acqua fredda/calda. Acidi alcalini, in condizione di alta salinità. Liquidi viscosi. Industria idroelettrica. Impianti di depurazione. Impianti...
Open the catalog to page 2Esatta installazione / Right Installation 1) Distanziare le flange ed inserire la valvola in posizione semichiusa / Space the flanges and place the butterfly valves with disc in semiclosed position. 2) La posizione semichiusa evita danneggiamenti al disco ed interferenze dell’elastomero / Semiclosed position avoids damages on the disc and elastomer interferences. 3) Aprire completamente la valvola prima di serrare definitivamente tutti i dadi / Open completely the valve before fastening bolts and nuts. Errata installazione / Wrong Installation 4) La tubazione non sufficientemente aperta può...
Open the catalog to page 3FEATURES MATERIALS Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Sede / Seat Viton / Silicone Epoxy / Rilsan Corpo / Body AISI 304 EN 1.430/AISI 316 EN 1.4401 Alluminium Bronze AL-Bz 1982P32 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Nichel / Rilsan / PTFE / FPE Disco / Disc Albero / Stem Boccola / Bushing O - Ring Spina / Pin Alluminium Bronze AL-Bz 1982P32 AISI 416 EN 1.4029/AISI 316 EN 1.4401 Bronze or Composite EPDM/NBR/Viton AISI 304 EN 1.4301/AISI 316 EN 1.4401 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Tappo / Plug Epoxy / Rilsan Alluminium Bronze AL-Bz 1982P32 La ditta si riserva...
Open the catalog to page 4FEATURES MATERIALS Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Sede / Seat Viton / Silicone Epoxy / Rilsan Corpo / Body AISI 304 EN 1.430/AISI 316 EN 1.4401 Alluminium Bronze AL-Bz 1982P32 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Nichel / Rilsan / PTFE / FPE Disco / Disc Albero / Stem Boccola / Bushing O - Ring Spina / Pin Alluminium Bronze AL-Bz 1982P32 AISI 416 EN 1.4029/AISI 316 EN 1.4401 Bronze or Composite EPDM/NBR/Viton AISI 304 EN 1.4301/AISI 316 EN 1.4401 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Tappo / Plug Epoxy / Rilsan Alluminium Bronze AL-Bz 1982P32 Bulloneria /...
Open the catalog to page 5La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to modify dimensions without any notice. La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to modify dimensions without any notice.
Open the catalog to page 6FEATURES MATERIALS Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Sede / Seat Viton / Silicone Epoxy / Rilsan Corpo / Body AISI 304 EN 1.430/AISI 316 EN 1.4401 Alluminium Bronze AL-Bz 1982P32 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Nichel / Rilsan / PTFE / FPE Disco / Disc Albero / Stem Boccola / Bushing O - Ring Spina / Pin La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to modify dimensions without any notice. Alluminium Bronze AL-Bz 1982P32
Open the catalog to page 7TYPE VALVE Albero / Stem Spina / Set Screw Sede / Seat Boccola / Bushing O-Ring Disco / Disc MATERIALS COATINGS Cast Iron GJL250 Epoxy / Rilsan Ductile Iron GJL 400 -18 Epoxy / Rilsan AISI 416 EN 1.4029/AISI 316 EN 1.4401 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Nichel / Rilsan / PTFE / FPE AISI 304 EN 1.4301/AISI 316 EN 1.4401 PTFE / FPE Alluminium Bronze AL-Bz 1982P32 AISI 304 EN 1.4301/AISI 316 EN 1.4401 NBR/EPDM/VITON Bronze or Composite EPDM/NBR/VITON La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to mo
Open the catalog to page 8FLANGED VALVES ITEM DESCRIPTION 1 Corpo / Body 2 3 Albero / Stem Spina / Set Screw Sede / Seat Boccola / Bushing O-Ring Disco / Disc MATERIALS COATINGS Cast Iron GJL250 Epoxy / Rilsan Ductile Iron GJL 400 -18 Epoxy / Rilsan AISI 416 EN 1.4029/AISI 316 EN 1.4401 Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Nichel / Rilsan / PTFE / FPE AISI 304 EN 1.4301/AISI 316 EN 1.4401 PTFE / FPE Alluminium Bronze AL-Bz 1982P32 AISI 304 EN 1.4301/AISI 316 EN 1.4401 NBR/EPDM/VITON Bronze or Composite EPDM/NBR/VITON La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to...
Open the catalog to page 9ATTACCO RAPIDO DESCRIPTION Boccola / Bushing O - Ring Albero / Stem Spina / Set Screw FEATURES MATERIALS Corpo / Body Cast Iron GJL 250 / Ductile Iron GJS 400 -18 Epoxy / Rilsan Alluminium Bronze AL-Bz 1982P32 Disco / Disc Cast Iron GJL 250 / Ductile Iron GJS 400 -18 La ditta si riserva di apportare modifiche senza alcun preavviso. Our firm has the right to modify dimensions without any notice.
Open the catalog to page 10DESCRIPTION Premistoppa / Stuffing Box Baderna / Packing Corpo / Body Albero / Shaft Disco / Disc Perno / Pin Boccola / Bushing Tappo / Plug CARATTERISTICHE / PERFORMANCES Temperatura Max / Max Temperature 250° 0.3 MPa Pressione Max / Max Pressure Le valvole in questa sezione sono realizzate su specifiche e dimensioni fornite dal cliente. Valves in this section are manufactured on specification and dimensions on customer demand. VALVOLE MULTIPORTA PER FUMI / MULTIDOOR VALVES FOR FUMES A ITEM DESCRIPTION 1 Telaio / Frame 2 Ventola / Gate 3 Leva / Lever 4 Boccola / Bushing 5 Bulloneria /...
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