3 in. Ductile Iron Flanged Swing Check Valve with Lever & Weight
Backordered at the manufacturer — available to order; shipping date is not currently confirmed.
Freight item — ships LTL (Lower 48)- Flat-rate freight: $199 per order
- Orders $4,999+: quoted freight — priced for your dock, liftgate, and timeline
Buying several, or need a liftgate or jobsite delivery? Request an exact freight quote — usually answered the same business day.
The 3 in. Ductile Iron Flanged Swing Check Valve with Lever & Weight (#96203LW) is a ductile iron swing check valve with an external lever and weight for controlled, non-slam closure. It allows flow in one direction and automatically prevents reverse flow (backflow) to protect pumps and equipment. Built for reliable, low-maintenance service.
Availability: In stock — ships in 2–3 business days.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (MPN) | 96203LW |
| Nominal Size | 3 in. |
| Type | Swing Check Valve (Lever & Weight) |
| Body Material | Ductile Iron |
| Connection | Flanged |
Key Features
- External lever and weight for controlled, non-slam closure
- Automatic backflow prevention
- Ductile Iron construction
- Flanged connection
Common Applications
Water distribution and treatment, HVAC, pump discharge lines, irrigation, and general industrial flow systems requiring dependable backflow prevention.
Technical Resources
Expert Guides for This Product
- Check Valve Orientation & Installation — flow direction and mounting rules
- Check Valve Sizing Guide — why line size isn't valve size
- Slamming & Water Hammer — causes and fixes
- Check Valve Leaking? — diagnose and fix it
- Check Valve Chattering — the sizing problem nobody checks
- Buna vs. Viton Seats — which elastomer fits your media