Type 578 Lug Style Butterfly Valve

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Type 578 Lug Style Butterfly Valve

The Type 578 Butterfly Valve shall be lug style compatible with ANSI B16.5 150 lb flange pattern.  The operation shall utilize double eccentric design principles.  The shaft shall be non-wetted by a bushing assembly with double o-ring seals.  The face seal shall be a Q-ring compatible with flat and serrated flange adapters.  The face, disk, and shaft seals shall operate independently.  The wetted body and disk shall be of like materials.  The outer body shall be glass-filled polypropylene with over-molded 316 stainless steel lug inserts.  Valves shall be rated for bidirectional use.  All valves shall be tested in accordance with ISO9393 and designed to ISO16136 standards.  All valves shall be manufactured under ISO9001 for Quality and ISO14001 for Environmental Management.  Following assembly, every valve shall be tested and certified bubble-tight exceeding Class VI standards.


General:

•    Size:  2”–12”
•    Outer Body: Glass-filled PP
•    Material:  PVC, CPVC, PROGEF® Standard PP, ABS,  SYGEF® Standard PVDF
•    Seals:  EPDM, FPM, PTFE/FPM
    Stem:  316 Stainless steel
•    Lugs: 316 Stainless steel
•    Connection: ANSI 150
•    Operation:  Bare shaft, lever, gear


Optional Features:

•    Actuation:  Electric, pneumatic
•    Limit Switches: Mechanical, inductive
•    Handle: Find adjustment lever (1º), stem extension
•    Shaft: Titanium, Hastelloy-C
•    Operation: Chain operator, square operating nut
•    Gear Operator: Stainless steel housing
•    Connection: DIN 2501
    Hardware: Alternatives available upon request
    Cleaned: Silicone-free/ oil-free

Key Certification:

•    NSF 61: PVC and CPVC
•    FDA CFR 21 177.1520: PP and PVDF
•    FDA CFR 21 177.2600:  EPDM and FPM
•    FDA CFR 21 177.1550:  PTFE
•    USP Class VI (physiological non-toxic): EPDM, FPM, PTFE, PP, and PVDF