Safety and Relief Valve AL-4T | Yoshitake Inc.

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Safety and Relief Valve

AL-4T

* Simple structure and easy maintenance
* Tight seal because of PTFE disc
* Line-up of body material: ductile cast iron and stainless steel
Image:AL-4T

Feature Lift type / Flanged / Ductile iron / Soft seat
Category Safety relief valve
Type Lift type
Specifications Application Air , Oil , Cold and hot water , Other non-dangerous fluids
Pressure range 0.05 - 1.5MPa("(*1) (*2) Refer to setting pressure range table.")
Connection JIS 10K FF flanged , JIS 16K FF flanged (*3)
Max. temperature 150 degree(C)
Material Valve case Ductile cast iron
Spring case Ductile cast iron
Valve Cast bronze or Stainless steel (PTFE disc incorporated)
Valve seat Cast bronze or Stainless steel (PTFE disc incorporated)
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.

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JIS 10K FF flanged
Size L (mm) H1 (mm) Weight (kg)
65A(2 1/2) 120 120 20
80A(3) 130 130 22
100A(4) 160 150 44
125A(5) 200 205 88
150A(6) 210 215 113

JIS 16K FF flanged
Size L (mm) H1 (mm) Weight (kg)
65A(2 1/2) 120 120 20
80A(3) 132 130 22
100A(4) 162 150 44
125A(5) 202 205 88


[About flow rate]


Selection data: Set pressure range 

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Dimensional drawing
Dimensional drawing:AL-4T

Data Downloading
Drawing 16K (100 KB)
Drawing 10K (140 KB)
Drawing 10K 要ス (118 KB)

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