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MODEL AL-32, AL-32T, AL-32ML, AL-32TML
SAFETY RELIEF VALVE
Thank you very much for choosing the Yoshitake's product. To ensure the correct and safe use of the product,
please read this manual before use. This manual shall be kept with care for future references.
The symbols used in this manual have the following meanings.
Warning
Caution
1. Usage of the Product·················································· 1
2. Specifications ··························································· 1
3. Dimensions and Weight ·············································· 2
4. Structure ································································ 3
5. Operation ······························································· 3
6. Nominal Size Selection Table ······································· 4
7. Installation ······························································· 5
8. Maintenance ···························································· 6
PRODUCT MANUAL
This symbol indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
This symbol indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury or may result in only property damage.
6.1 For steam (at saturated temperature) ······················· 4
6.2 For air (at 20 C) ··················································· 4
6.3 For water (at 20 C, accumulation: 25%) ···················· 4
7.1 Piping example ··················································· 6
8.1 Daily inspection ··················································· 7
8.2 Monthly inspection ··············································· 7
8.3 Troubleshooting ·················································· 7
Table of Contents
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■EPDT-322b■
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Summary of Contents for Yoshitake AL-32
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Page 1: Table Of Contents
SAFETY RELIEF VALVE PRODUCT MANUAL Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product, please read this manual before use. This manual shall be kept with care for future references. -
Page 2: Usage Of The Product
* The maximum temperature is 150 C when the fluid is liquid. Warning 1. Do not apply the AL-32 and the AL-32ML to devices which do not allow any valve seat leakage. * The AL-32 and the AL-32ML has allowable valve seat leakage and does not close completely (valve seat leakage cannot be zero). -
Page 3: Dimensions And Weight
3. Dimensions and Weight AL-32 AL-32T AL-32ML AL-32TML Fig.1 Dimensions Dimensions [mm] Weight (kg) Blowout Nominal area Flange A Flange B AL-32 AL-32ML size AL-32 AL-32ML AL-32T AL-32TML (Inlet) (Outlet) AL-32T AL-32TML 20.1 JIS10K 15A JIS10K 20A 34.6 JIS10K 20A JIS10K 25A 53.0... -
Page 4: Structure
4. Structure Part name Spring case Valve seat Valve O-ring Spindle AL-32T AL-32TML AL-32ML, AL-32TML Spring Bottom spring plate Top spring plate Adjusting screw 10 Lock nut 11 Cap 12 Gasket 13 Gasket 14 Name plate 15 Lever 16 Spring pin 17 O ring 18 Connecting rod 19 Spring pin... -
Page 5: Nominal Size Selection Table
6. Nominal Size Selection Table 6.1 For steam (at saturated temperature) : AL-32 Capacity <Pressure vessel structure standard> [kg/h] Blowout Set pressure [MPa] Nominal area size 0.05 20.1 34.6 53.0 93.3 135.2 208.2 1025 1126 6.2 For air (at 20 C) Capacity <Pressure vessel structure standard>... -
Page 6: Installation
7. Installation Warning 1. Do not install any closing device such as a stop valve at inlet or outlet sides of the product. * Failure to follow this notice may result in damage to the pressure vessel because such closing device may hamper the blowout of the safety relief valve. -
Page 7: Piping Example
Cleaning the inside of the piping 1. Please clean the inside of the pipe thoroughly and remove any dust or scales before installing the product. Please note that all repairs for disorders due to foreign substances shall be charged. Pipe mount 1. -
Page 8: Daily Inspection
3. The product does not keep the 3. The set pressure needs to be readjusted. accuracy of its set pressure. Please contact us. *AL-32 and AL-32ML have allowable valve seat leakage and does not close completely (valve seat leakage cannot be zero). ■EPDT-322b■... - Page 9 4. The pressure reducing valve needs to be The product is installed at outlet repaired. If it is Yoshitake’s product, side of pressure reducing valve please contact us. which is out of order, and the reduced pressure of the valve is getting higher than expected.
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Page 10: Warranty Information
Fire, flood, earthquake, thunder and other natural disasters. Consumable parts such as O-ring, gasket, diaphragm and etc. Yoshitake is not liable for any damage or loss caused by malfunction or defect of the product. INTERNATIONAL DEPT. 955-5, Miyamae, Irukadeshinden, Komaki, Aichi, 485-0084, Japan...