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Youngjin Flex Co., Ltd.

93, Dangjaebong-ro
Jori-eup
Paju-si
Gyeonggi-do
10949
Republic of Korea

Tel: +82-31-432-9772 • Fax: +82-31-945-3765
Email: yj1991@yjflex.com • Web: www.yjflex.com


Certificate No 1254a to LPS 1261


Youngjin YJ28 – 28mm Braided & Unbraided Flexible Sprinkler Hose

Product

Length (mm)

Nominal Size /

Connection Supply

Nominal Size /

Connection Outlet

Maximum Working Pressure (bar)

LPCB
Ref. No.
YJ28-S-700

700

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/01
YJ28-S-1000

1000

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/01
YJ28-S-1200

1200

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/01
YJ28-S-1500

1500

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/01
YJ28-S-1800

1800

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/01
YJ28-SB-700

700

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/02
YJ28-SB-1000

1000

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/02
YJ28-SB-1200

1200

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/02
YJ28-SB-1500

1500

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/02
YJ28-SB-1800

1800

1" BSPT/NPT external thread

1¼" BSPT/NPT external thread

½" BSPT/NPT internal thread

¾" BSPT/NPT internal thread

14

1254a/02

 

These products have been approved as a Type 2 hose of moderate flexibility in accordance with LPS 1261. These may be used in applications where little or no differential movement between the two ends is expected after installation (e.g. supply to single sprinklers in suspended ceilings).
1)    Youngjin YJ28-S (unbraided) sprinkler hose connections are approved for use in the following applications:  

  
        Youngjin YJ28-SB (braided) sprinkler hose connections are approved for use in the following applications:  
    
All pipework supplying Youngjin sprinkler connection assemblies in pre-calculated systems shall be sized as distribution mains
*up to 1 x 90˚ bends, with or without a 90˚ elbow reducer
**up to 2 x 90˚ bends, with or without a 90˚ elbow reducer
***up to 3 x 90˚ bends, with or without a 90˚ elbow reducer
  2)    In suspended ceilings Youngjin YJ28 sprinkler connection must be installed in accordance with the Youngjin installation instructions MNL_SP00 dated 10/20/2014.
3)    In suspended ceilings the outlet reducer must be secured to the ceiling support system with brackets supplied. For other applications the installer must supply brackets to ensure sprinkler is secure.
  

 


 

To read the Red Book section introduction click here.

 

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