- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
Register
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order LookupAll Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics & Batteries
- Fasteners
- Fleet & Vehicle Maintenance
- Furnishings, Appliances & Hospitality
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paints, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order Lookup
Check Valves
Available2 products
Check valves allow single-direction flow of liquids or gases. Also called one-way or non-return valves, they prevent backflow of downstream media into pumps, residential plumbing systems, and industrial process applications.
Brand
Cast Iron Check Valves
Cast iron check valves have heavy-duty bodies that withstand high temperatures.
Inline Double Disc
Flange x Flange Connection Type
| Loading... | |||||||
Inline Silent
Flange x Flange Connection Type
| Loading... | |||||||
Inline Swing
FNPT x FNPT Connection Type
| Loading... | |||||||
Flange x Flange Connection Type
| Loading... | |||||||
Inline Swing Flex
Flange x Flange Connection Type
| Loading... | |||||||
Inline Triple Duty
Flange x Flange Connection Type
| Loading... | |||||||
Inline Wafer
Flanged Wafer x Flanged Wafer Connection Type
| Loading... | |||||||
Slip Union
Slip x Slip Connection Type
| Loading... | |||||||