NATIONAL FIRE PRODUCTS NFP21XXX Specflex SH and SHP Flexible Connections Installation Guide
- June 15, 2024
- National Fire Products
Table of Contents
NATIONAL FIRE PRODUCTS NFP21XXX Specflex SH and SHP Flexible Connections
Product Information
NFP21XXX and NFP22XXX Figure Numbers
SpecflexTM SH and SHP Flexible Connections are designed to provide a reliable and flexible connection for sprinkler drop systems. These connections are compatible with NFP brackets and are suitable for various applications.
Specifications
- Compatible with NFP brackets
- Torque range: 50 to 58 ft-lbs
- Required system parts: Flexible Hose (Braided), Compatible NFP bracket
- Required tools: Pipe Wrench, Screwdriver, PTFE Tape
Product Usage Instructions
Pre-Installation
Before installing the SpecflexTM Flexible Connections, please follow these steps:
- Inspect the Specflex sprinkler drop system components for any sign of physical damage. Make sure all components are included and in the proper order.
- Disconnect the inlet nipple and outlet reducer from the flexible hose and check that each sealing gasket is in place properly. Reconnect the outlet reducer to the flexible hose.
- Ensure that both end threads are clean without any damage. Apply PTFE tape to the inlet nipple threads.
Installation
To install the SpecflexTM Flexible Connections, follow these steps:
- Use a pipe wrench to connect the inlet nipple to the branch line. Ensure a secure connection.
- Use a pipe wrench to connect the flexible hose to the inlet nipple. Apply torque within the range of 50 to 58 ft-lbs.
Note: Do not use PTFE tape on the inlet nipple thread to connect to the flexible hose.
For more detailed installation instructions and information, please refer to the user manual available at ferguson.com/nfp.
Frequently Asked Questions
- Q: What are the required system parts?
- A: The required system parts include a Flexible Hose (Braided) and a Compatible NFP bracket.
- Q: What tools are required for installation?
- A: You will need a Pipe Wrench, Screwdriver, and PTFE Tape for installation.
- Q: What is the recommended torque range for connecting the flexible hose?
- A: The recommended torque range is a minimum of 50 ft-lbs and a maximum of 58 ft-lbs.
WARNING
- You must read and understand all instructions and warnings before attempting to install any Specflex sprinkler drop system components.
- Failure to follow these instructions can lead to improper operation, resulting in serious injury, death or property damage.
- We recommend wearing safety glasses or goggles, a hard hat and shoes with foot protection during installation.
REQUIRED PARTS AND TOOLS
REQUIRED system parts
- Flexible Hose (Braided)
- Compatible NFP bracket
REQUIRED Tools
- Pipe Wrench, Screwdriver
- PTFE Tape
Installation instructions
- Inspect the Specflex sprinkler drop system components for any sign of physical damage. Make sure all components are included and in the proper order.
- Disconnect the inlet nipple and outlet reducer from the flexible hose and check that each sealing gasket is in place properly. Reconnect outlet reducer to the flexible hose.
- Ensure that both end threads are clean without any damage. Apply PTFE tape to the inlet nipple threads. Use a pipe wrench to connect the inlet nipple to the branch line.
- Use a pipe wrench to connect the flexible hose to the inlet nipple. Torque range should be a minimum of 50 to a maximum of 58 ft-lbs.
WARNING: DO NOT use PTFE tape on the inlet nipple thread to connect to the flexible hose.
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