Cart
0
Product
Products
(empty)
No products
To be determined
Shipping
$0.00
Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart.
There is 1 item in your cart.
Total products
Total shipping
To be determined
Total
Reduced price!
View larger
View larger
UL 1739
New product
UL 1739 6th Edition, April 28, 2017 UL Standard for Safety Pilot-Operated Pressure-Control Valves for Fire-Protection Service
More info
Description / Abstract:
These requirements cover pilot-operated pressure-control valves intended to reduce the water pressure in the supply piping for standpipe systems, or sprinkler systems, or both.
The valves covered by these requirements are intended for use in:
a) Standpipe systems installed in accordance with the Standard for Installation of Standpipe and Hose Systems, NFPA 14; or
b) Sprinkler systems installed in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13.
The valves covered by these requirements are intended to be inspected, tested, and maintained in accordance with the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, NFPA 25.
The valves covered by these requirements are intended for use in:
a) Standpipe systems installed in accordance with the Standard for Installation of Standpipe and Hose Systems, NFPA 14; or
b) Sprinkler systems installed in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13.
The valves covered by these requirements are intended to be inspected, tested, and maintained in accordance with the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, NFPA 25.