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Double ball rubber joints

Model: KST-F type
Nominal diameter: DN50 ~ 600mm, NPS2 "~ 24"
Nominal pressure: PN1.0 ~ 2.5MPa
Temperature: -15 ~ 115 ℃, special up to -30 ~ 250 ℃
Medium: Air , compressed air, water, sea water, hot water, oil, acids, alkalis and other chemicals

flange: BG4216.3 ~ 4216.5


Project Nominal diameter DN (mm) 200 to 300 (8 to 12 ") 50 to 150 (2-6 ")
JGD-A (1) JGD-A (2) JGD-A (3)
Working pressure MPa (kgf / cm 2) 1.0 (10) 1.6 (16) 2.5 (25)
Bursting pressure MPa (kgf / cm 2) 2.0 (20) 3.0 (30) 4.5 (45)
Degree of vacuum KPa (mm / Hg) 40 (300) 53.3 (400) 86.7 (650)
Applicable temperature ℃ -15 ~ 115 ℃, especially up to -30 ~ 250 ℃
Suitable media Air, compressed air, water, seawater, hot water, oil, acids, alkalis and other chemicals


Nominal diameter DN Length L
Flange
thickness b 

Number
of bolts 

Bolt hole   diameter 

The center
bolt hole 
circle diameter
Axial displacement mm Horizontal displacement
Deflection angle 
(a 1 + a 2)
mm inch elongation compression
50 2 165 18 4 17.5 125 30 50 45 35 °
80 3 175 20 8 17.5 160 35 50 45 35 °
100 4 225 22 8 17.5 180 35 50 40 35 °
125 5 230 24 8 17.5 210 35 50 40 35 °
150 6 325 24 8 22 240 35 50 40 35 °
200 8 325 24 8 22 295 35 50 40 35 °
250 10 325 28 12 22 350 35 60 35 30 °
300 12 325 28 12 22 400 35 60 35 30 °
350 14 330 28 16 22 460 38 65 30 30 °
400 16 330 28 16 26 515 38 65 30 30 °
450 18 330 28 20 26 565 38 65 30 30 °
500 20 340 28 20 26 620 40 70 25 30 °
600 24 400 34 20 30 725 45 75 25 30 °
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai

Hotline:+86-21-69755076   59755666   69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075     E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.        cpw887.cn
HuICP No. 11031085-3    No.31011802002466    Technical support:Fengsheng technology
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai
Hotline:+86-21-69755076   59755666
     +86-21-69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075   E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.
cpw887.cn
HuICP No. 11031085-3
No.31011802002466
Technical support:Fengsheng technology