NATIONAL FIRE PRODUCTS NFP1302D Orifice Union Instructions
- June 13, 2024
- National Fire Products
Table of Contents
NATIONAL FIRE PRODUCTS NFP1302D Orifice Union
Product Information
- Figure: 1302
- Model: NFP1302D
- Part #: NFP1302D
- Size: 1/2
- End to End Dimension (inches): 1.63
- Orifice Dimension (inches): 3/32
Features & Benefits
- Size: 1/2″ IPS with 3/32″ orifice
- Working pressure: 200 psi WOG
- Designed for use in pressure sensing lines for fire pump systems
- The union is fitted with a 3/32″ orifice that will provide adequate pressure drop in the sensing line without allowing unnecessary pump starts due to major pressure fluctuations
- Material: Brass
Technical Data
- Testing pressure:
- Body 80 PSI air
- Seat 80 PSI air
Installation
Install the pressure sensing line according to the pump manufacturer’s recommendations. Make sure excess thread sealants are not introduced inside the union. Excess sealants will clog the 3/32″ orifice, preventing proper sensing line function.
CAUTION
- DO NOT OVERTIGHTEN THREADS.
- OVERTIGHTENING MAY CAUSE VALVE FAILURE.
Material Chart
NO. /PART NAME /MATERIAL
- Connector /Brass B16 C36000
- Union nut /Brass B16 C36000
- Orifice /Brass B16 C36000
Dimension (inches)
| Part # | Size | End to End | Orifice |
|---|---|---|---|
| NFP1302D | 1/2″ | 1.63 | 3/32 |
©2022 Ferguson Enterprises, LLC
References
Read User Manual Online (PDF format)
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