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YOSHITAKE AL-4T Safety and Relief Valve

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

Ductile cast iron body and PTFE Disc

Specifications

FeaturesDuctile cast iron, closed cap, PTFE disc
TypeSafety relief valve
SpecificationsProduct typeSafety valve/Relief valve
Nominal size65A (2-1/2″) – 150A (6″)
ApplicationAir, water, oil
End connectionJIS 10K FF flanged, JIS16K FF
Working pressure0.05 – 1.5 MPa (MAX.1.0Mpa for bronze trim)
Max. temperature150 degree(C)
MaterialBodyDuctile cast iron
Spring caseDuctile cast iron
Valve and valve seatBronze + PTFE or stainless steel + PTFE

Remarks

*1 Maximum working pressure for 150A is 0.8 MPa (connection: JIS 10K FF flanged).
*2 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.
*3 JIS 16K FF flanged is used when working pressure is more than 1.0 MPa.


Dimensions and Weights (JIS 10K FF flanged)

SizeL (mm)H1 (mm)Weight (kg)
65A(2 1/2)12012020
80A(3)13013022
100A(4)16015044
125A(5)20020588
150A(6)210215113

Dimensions and Weights (JIS 16K FF flanged)

SizeL (mm)H1 (mm)Weight (kg)
65A(2 1/2)12012020
80A(3)13013022
100A(4)16015044
125A(5)20020588

About flow rate

Capacity table

Dimensional drawing

Dimensional drawing

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