National Fire Products NFP141702K Brass Grooved Check Valve Instructions
- June 13, 2024
- National Fire Products
Table of Contents
National Fire Products NFP141702K Brass Grooved Check Valve
Product Information
The product is a Check Valve with the model number Figure 141702 and part numbers NFP141702K (Size 2) and NFP141702M (Size 4). It is designed to allow fluid flow in one direction and prevent backflow in the opposite direction. The check valve has various components made of different materials, including brass, rubber, and stainless steel.
Features & Benefits
-
Prevents backflow of fluid
-
Durable construction with brass and stainless steel
components -
Easy installation with approved practices
-
Provides reliable performance
Technical Data
| Part # | Size | A | B | C |
|---|---|---|---|---|
| NFP141702K | 2 | 3.150 | 5.669 | 1.772 |
| NFP141702M | 4 | 5.433 | 7.953 | 2.992 |
Installation
- Follow approved installation practices for check valve installation.
- Ensure that the proper lubricant is applied to the groove coupling gaskets as needed.
- Refer to the product manual for detailed installation instructions.
Material Chart
| No. | Description | Material |
|---|---|---|
| 1 | Upper Body | Brass C85700 |
| 2 | Lower Body | Brass C37700 |
| 3 | Disc | Brass C36000 |
| 4 | Washer | Rubber |
| 5 | Hinge Pin | Stainless Steel (SS304) |
| 6 | Spring | Stainless Steel (SS304) |
| 7 | Plug | Brass C36000 |
| 8 | O-Ring | NBR (Rubber) |
| 9 | Lock Washer | Brass C36000 |
| 10 | Lock Nut | Brass C36000 |
DIMENSION
Features & Benefits
- Available sizes: 2″ and 4″
- Connection type: Groove x Groove
- Horizontal or vertical installation
- 1/2″ IPS tapped body for additional equipment if needed
- Finish: Rough brass
- Material: Brass C85700
Technical Data
- Complies with UL 312 and FM 1210 (4″ is the only size that complies)
- Grooved to ANSI/AWWA C606-87
- Working pressure: 250lbs
- Testing pressure = 100%, 125lbs
Installation
Install with approved installation practices. Ensure that the proper lubricant is applied to the groove coupling gaskets as needed.
Material Chart
Not for use in potable systems
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