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SKU: BOBB671

4″ butterfly valve

35.0QR

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Care information

Keep your products in top condition: Furniture – dust regularly, avoid sunlight, and clean spills fast. Electronics – keep dry, use a microfiber cloth, and protect from power surges. Building materials – store dry, handle safely, and avoid chemicals. Kitchenware – wash gently, use mild detergents, and store properly

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Description

Parameter	Typical / Options
Size	4 inch (≈DN100)
End Connection Styles	Wafer, Lug, Flanged, Semi-Lug
Body Material Options	Cast Iron, Ductile Iron (GGG40, QT450), Carbon Steel, Stainless Steel
Disc/Trim Material	Stainless Steel, Carbon Steel, Cast Iron
Seat/Sealing Material	EPDM, PTFE, Viton, Neoprene
Pressure Rating	Class 150 LB / PN16 typical; also versions up to Class 300/600
Temperature Range	Examples: -10 °C to +120 °C for some; higher for metal seats
Standards	API 609, EN 593, AWWA C504 etc.
Operation	Manual lever, worm gear, pneumatic actuator, electric actuator
Typical Applications	Water supply, HVAC, industrial fluid control, chemical service
Features	Compact, good flow with low pressure drop, quick quarter-turn operation