In-Line Check Valves 1-1/4 in. for Fire Protection Systems
This 1-1/4 in. NPT durable cast brass In-Line Check Valve is ready for service in water-based systems, specifically fire protection/fire sprinkler systems and standpipes. With a rated working water pressure of 200 PSI, this valve provides a watertight defense against pollution & contamination caused by backflow. This check valve can be installed vertically or horizontally on a supply line or fire department connection (FDC) in accordance with NFPA code and local fire code. It features two 1-1/4 in. NPT (National Pipe Thread) connections, with a stainless-steel clapper that only opens when water flow exceeds the manufacturer minimum pressure of 2 PSI.
Fire Protection In-Line Check Valve Options & Additional Information
This In-Line Check Valve is available in a Brass finish in four different NPT x NPT sizes:
1 in., 1-1/4 in., 1-1/2 in., 2 in.
This product is not specifically listed by cULus, FM, or any other listing(s) organization – we recommend consulting with your local fire marshal or other authority having jurisdiction before installing.
NOTE: This product has a lead-free version available by special order.
QRFS SKU: |
70-LN-INLN-170000 |
Manufacturer: |
Lansdale |
Valve Type: |
In-Line Check Valve |
Number of Connections: |
2 Connections |
Connection Type: |
National Pipe Thread (NPT) |
Body Material: |
Cast Brass |
Other Material: |
Stainless Steel Clapper |
Clapper: |
Single |
Size: |
1-1/4 in. |
Size Detail: |
1-1/4 in. NPT x 1-1/4 in. NPT |
UL Listed: |
No |
FM Approved: |
No |
Rated Working Water Pressure: |
200 PSI |
Finish: |
Brass |
Installation: |
Vertical or Horizontal |
Lead Free: |
No |
Length: |
3.62 in. (91.95 mm) |
Width: |
2.13 in. (54.1 mm) |
Height: |
2.13 in. (54.1 mm) |
Weight: |
1.15 lb. (0.52 kg) |
Box/Pack Quantity: |
5 |