Midland Industries
Midland Italian Brass In-Line Check Valve NBR
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
Midland Italian Brass In-Line Check Valve NBR
Midland Italian Brass In-Line Check Valves with NBR seals are designed to provide dependable one-way flow control in compatible plumbing, water, air, oil, and general fluid handling systems.
These compact spring-loaded check valves automatically open with forward flow and close when flow stops or reverses, helping protect pumps, compressors, piping, and connected equipment from backflow. Forged brass construction and NBR sealing components make them well suited for many general-purpose applications.
Product Highlights
- Italian-manufactured Midland brass in-line check valve
- NBR sealing material
- Spring-loaded poppet design
- Automatic reverse-flow prevention
- Female NPT threaded connections
- Forged brass body construction
- Compact inline configuration
- Suitable for many water, air, and oil applications
- Available in sizes from 1/4" through 4"
- No external controls or manual operation required
Technical Specifications
| Product Type | In-Line Check Valve |
|---|---|
| Brand | Midland |
| Manufacturing Style | Italian |
| Body Material | Forged Brass |
| Connection Type | Female NPT |
| Check Mechanism | Spring-Loaded Poppet |
| Seal Material | NBR |
| Operation | Automatic |
| Primary Function | Reverse Flow Prevention |
| Available Sizes | 1/4" through 4" |
| Typical Media | Water, Air, Oil, and Other NBR-Compatible Media |
Valve Configuration
Spring-Loaded Poppet
The internal poppet opens with sufficient forward pressure and closes automatically when flow decreases or reverses.
Female NPT Ends
Female threaded connections on both ends provide straightforward installation into compatible threaded piping systems.
NBR Seal
NBR sealing material is commonly used for general-purpose water, air, oil, and other compatible fluid applications.
Construction Details
The valve body is manufactured from durable forged brass to provide dependable strength and corrosion resistance in compatible piping systems.
An internal spring-loaded check mechanism opens in the direction of normal flow and closes promptly when forward flow stops or reverses.
NBR sealing components provide dependable performance for many general-purpose applications where the media and operating conditions are compatible with nitrile rubber.
Why Choose the NBR Version?
General-Purpose Service
- Well suited for many water applications
- Commonly used with compressed air
- Useful for compatible oil service
- Provides dependable sealing
- Suitable for a wide range of general fluid systems
Compact Automatic Protection
- Automatic check operation
- No manual operator required
- Helps prevent reverse flow
- Compact inline body
- Helps protect pumps and equipment
NBR vs. Viton Seal Options
NBR Seal
NBR is commonly selected for general-purpose water, air, oil, and similar compatible fluid applications.
Viton Seal
Viton versions are typically selected where greater temperature or chemical resistance is required. Choose the sealing material based on the actual media and operating conditions.
Typical Applications
Commercial & Plumbing
- Water piping
- Utility lines
- General plumbing systems
- Pump discharge piping
- Equipment protection
Industrial Fluid Handling
- Compressed air systems
- Oil service
- Fluid transfer systems
- Process support piping
- Compatible general-purpose media
Our valve, fitting, and industrial product specialists can help review your valve size, FIP connection requirements, pressure rating, handle configuration, media compatibility, and application before you order.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What seal material does this version use?
This listing is for the NBR seal version of the Midland Italian brass in-line check valve.
What material is the valve body?
The supplied product information identifies a durable forged brass body.
What type of connections does it use?
The valve uses female NPT threaded connections.
How does the valve operate?
A spring-loaded internal poppet opens with forward flow and closes automatically when flow stops or reverses.
What sizes are available?
The supplied product information identifies sizes from 1/4" through 4".
What media is NBR commonly used with?
The supplied product information identifies many general-purpose water, air, and oil applications as suitable uses for NBR models.
When would a Viton version be preferred?
Viton versions may be preferred where improved temperature or chemical resistance is required, subject to application compatibility.
Does installation direction matter?
Yes. Install the valve with the flow direction indicated on the valve body aligned with normal system flow.
What should I verify before ordering?
Confirm valve size, NPT thread compatibility, NBR media compatibility, operating pressure, temperature, and flow direction.
Important Ordering & Installation Notes
- This listing is for Midland Italian Brass In-Line Check Valves with NBR seals.
- Available sizes range from 1/4" through 4".
- Confirm the required nominal valve size before ordering.
- Verify female NPT thread compatibility with the intended piping system.
- Install with the valve flow arrow pointing in the intended direction of system flow.
- Verify NBR compatibility with the intended media.
- NBR models are intended for many general-purpose water, air, oil, and similar compatible applications.
- Use a Viton-seal model where the application specifically requires the properties of Viton.
- Confirm system pressure and operating temperature requirements before installation.
- Use an appropriate thread sealant where permitted.
- Avoid excessive installation torque that could damage the brass body or threaded connections.
- Support connected piping to prevent excessive mechanical load on the valve.
- Check operation after installation to confirm proper forward flow and reverse-flow closure.
- Fully isolate and depressurize the system before maintenance or replacement.
- Follow applicable plumbing or mechanical codes and manufacturer recommendations.
