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YOSHITAKE AL-4ST Safety and Relief Valve

Made in Japan
Manufacturer: Yoshitake
Model: AL-4ST

  • Ductile cast iron body and stainless steel trim with PTFE disc
  • Maximum pressure 2.0MPa

Specifications

FeaturesFor air and water, ductile cast iron, Max. 2.0MPa
TypeSafety relief valve
SpecificationsProduct typeSafety valve/Relief valve
Nominal size65A (2-1/2″) – 100A (4″)
ApplicationAir, water, oil
End connectionJIS 20KFF flanged
Working pressure0.05 – 2 MPa (*1)
Max. temperature150 degree(C)
MaterialBodyDuctile cast iron (*2)
Spring caseDuctile cast iron
Valve and valve seatStainless steel + PTFE disc

Remarks

*1 When working pressure is more than 1.2 MPa (for 65A and 80A) or 1.0 MPa (for 100A and 125A), a metal-to-metal seating is incorporated in.
*2 Available with stainless steel made.


Dimensions and Weights

SizeL (mm)H1 (mm)Weight (kg)
65A(2 1/2)13512520
80A(3)13513522
100A(4)16015044

About flow rate

Capacity table

Dimensional drawing

Dimensional drawing

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