Double ball rubber joints

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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
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ProjectNominal 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 mediaAir, compressed air, water, seawater, hot water, oil, acids, alkalis and other chemicals

 

Nominal diameter DNLength L
Flange
thickness b 

Number
of bolts 

Bolt hole   diameter 

The center
bolt hole 
circle diameter
Axial displacement mmHorizontal displacement
Deflection angle 
(a 1 + a 2)
mminchelongationcompression
50216518417.512530504535 °
80317520817.516035504535 °
100422522817.518035504035 °
125523024817.521035504035 °
15063252482224035504035 °
20083252482229535504035 °
2501032528122235035603530 °
3001232528122240035603530 °
3501433028162246038653030 °
4001633028162651538653030 °
4501833028202656538653030 °
5002034028202662040702530 °
6002440034203072545752530 °