VAN MỘT CHIỀU



     
SPECIFICATION

The NIBCO® flanged cast iron horizontal swing check valve is designed with renewable seat and disc. Swing check valves prevent backflow by automatically closing when fluid reverses direction. This valve is generally installed between the Siamese connections and the riser to prevent backflow. The check valve is recommended for automatic fire sprinkler systems and is UL/ULC listed and FM approved.

  • Class 125 flanged end connections
  • 175 psi/12.1 bar non-shock water working pressure (WWP)
  • Iron body, bronze mounted trim (IBBM)
  • Bolted bonnet
  • Renewable seat and disc
  • All sizes tapped ¾” at location “C” for ball drip assembly
  • Flanged end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to MSS SP-71
  • Listed by Underwriters Laboratories of US and Canada (UL/ULC)
  • FM Approved
  • Approved by New York City BSA 143-69-SA
  • Size range 2½” to 12”
SPECIFICATION

The Reliable cast iron swing check valve is distributed by NIBCO. The valve is spring actuated and has a grooved end. Check valves prevent backflow by automatically closing when fluid reverses direction. This valve is generally installed between the Siamese connections and the riser to prevent backflow. The check valve is recommended for automatic fire sprinkler applications where space is a premium.

  • 250 psi/17.2 bar non-shock water working pressure (WWP)
  • Spring actuated
  • Renewable disc
  • Drilled and tapped for ball drip outlet
  • Bronze seat
  • Stainless steel disc
  • EPDM seal
  • Grooved end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to ANSI/AWWA C606 for steel IPS pipe
  • Listed by Underwriters Laboratories of US and Canada (UL/ULC)
  • FM Approved
  • Approved by New York City MEA 258-93-E
  • Size range 2½” to 6”

SPECIFICATION

The NIBCO® cast iron silent check valve reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for automatic fire sprinkler applications where space is a premium.

  • 250 psi/17.2 bar non-shock water working pressure (WWP)
  • Spring actuated
  • Renewable disc
  • Grooved end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to ANSI/AWWA C606 for steel IPS pipe
  • Listed by Underwriters Laboratories of US and Canada (UL/ULC)
  • FM Approved
  • Size range 2½” to 12”
DOWNLOAD CATALOGUES

F908WFP.pdf
DOWNLOAD CATALOGUES

G917WFP2.pdf
DOWNLOAD CATALOGUES

KG900WFP3.pdf.pdf
 





 





 




SPECIFICATION

The NIBCO® cast iron, spring actuated silent check valve reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for automatic fire sprinkler applications (especially higher pressure systems such as hi-rise buildings) where space is a premium.

  • 350 psi/24.1 bar non-shock water working pressure (WWP) UL
  • Spring actuated
  • Bronze disc
  • Renewable disc
  • Grooved end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to ANSI/AWWA C606 for steel IPS pipe
  • Listed by Underwriters Laboratories of US and Canada (UL/ULC)
  • Size range 2½” to 12”
SPECIFICATION

The NIBCO® bronze horizontal swing check valve has a Y-pattern design with renewable Buna-N seat and disc. The swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve is recommended for fire protection trim valve service.

  • 200 psi/13.8 bar non-shock water working pressure (WWP)
  • Y-pattern
  • Renewable disc
  • Regrindable seat
  • Class 125 threaded end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to MSS SP-80
  • Size range ¼” to 1½”
SPECIFICATION

The NIBCO® cast iron, wafer style check valve is spring actuated which reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for automatic fire sprinkler applications where space is a premium.

  • 250 psi/17.2 bar non-shock water working pressure (WWP)
  • Spring actuated
  • Renewable disc
  • Rubber seat
  • Double door
  • To be installed between standard Class 125 flanges
  • Wafer connection
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Listed by Underwriters Laboratories of US and Canada (UL/ULC)
  • FM Approved
  • Size range 2½” to 16”
DOWNLOAD CATALOGUES

KG900W350FP4.pdf
DOWNLOAD CATALOGUES

KT403WFP5.pdf
DOWNLOAD CATALOGUES

KW900WFP6.pdf






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