Brass Check Valve 3/8" FPT Inlet/Outlet 1200 PSI – OEM Replacement Part
Part Number: 3448
Category: Pressure Washer Components → Check Valves → Plumbing & Fluid Control Components
Type: Brass Check Valve 3/8" FPT Inlet & Outlet
The Brass Check Valve 3/8" FPT x 3/8" FPT is a durable one-way flow control valve designed to prevent reverse flow in pressure washer systems, chemical injection systems, water transfer applications, and industrial fluid handling equipment. Engineered with a brass body, stainless steel spring, and O-ring sealed poppet, this check valve helps maintain proper system operation while protecting pumps and components from backflow-related damage.
Key Features & Benefits
- Durable brass body construction
- Stainless steel spring for reliable operation
- O-ring sealed poppet design for improved sealing
- Prevents reverse flow and system backpressure
- Helps control chemical flow in injection systems
- Can be used as an inline check valve or backflow preventer
- 3/8" FPT inlet and outlet connections
- Rated for pressures up to 1200 PSI
- Corrosion-resistant materials for long service life
- Suitable for commercial and industrial applications
Technical Specifications
Product Type: Check Valve
Material: Brass
Spring Material: Stainless Steel
Seal Type: O-Ring Poppet Seal
Inlet Connection: 3/8" FPT
Outlet Connection: 3/8" FPT
Thread Type: Female Pipe Thread (FPT)
Maximum Working Pressure: 1200 PSI
Maximum Temperature: 180°F
Flow Direction: One-Way
Typical Applications
- Pressure washer plumbing systems
- Chemical injection systems
- Chemical line foot valves
- Pressure-actuated unloader systems
- Inline backflow prevention
- Water transfer systems
- Agricultural spray equipment
- Industrial fluid handling applications
Performance Advantages
- Prevents reverse flow and equipment damage
- Helps maintain consistent chemical injection performance
- Protects pumps and plumbing components from backpressure
- Stainless steel spring ensures dependable valve operation
- O-ring poppet design improves sealing efficiency
- Brass construction resists corrosion and wear
- Supports reliable fluid flow control
- Improves overall system efficiency and safety
- Ideal for commercial and industrial applications
Maintenance Recommendations
- Inspect the valve regularly for leakage or restricted flow.
- Verify proper flow direction during installation.
- Flush contaminants from the system to reduce internal wear.
- Inspect the spring and O-ring seal during routine maintenance.
- Replace worn or damaged valves immediately.
- Ensure all connected fittings are rated for system pressure requirements.
