Yoshitake AF-7 Instruction Manual

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Thank you very much for purchasing our safety valves.
Please read this instruction manual thoroughly before using the safety valve, so that
you may do so correctly and safely. Please carefully store this manual in a handy place.
－－－－－－The following safety symbols are used in this manual.－－－－－
    Warnings
    Cautions
Overview･･･････････････････････････････････････････････1
1 . F e a t u r e s ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 1
2 . S p e c i f i c a t i o n s ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 1
3 . D i m e n s i o n s a n d w e i g h t s ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 2
4 . S t r u c t u r e ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 3
5 . O p e r a t i o n ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 4
6.Size selection table .
6.1 For Steam (Pressure vessel structure specifications
・ B o i l e r s t r u c t u r e s p e c i f i c a t i o n s ) ･ ･ ･ ･ ･ 4
6.2 For Air (Pressure vessel structure specifications )･･････4
7 . I n s t a l l a t i o n
7 . 1 E x a m p l e o f p i p i n g ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 5
7.2 Warnings and cautions of product installation････････5～6
8 . M a i n t e n a n c e
8 . 1 D a i l y i n s p e c t i o n ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ ･ 6
8.2 Operational inspection････････････････････････････････ 7
8.3 Pe riodic inspe ction･ ･････ ･･････････････････ ･･･････････ 7
8.4 Troubleshooting ･･････････････････････････････････････ 7
A f t e r s a l e s s e r v i c e
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ＢＯＲＥ ＳＡＦＥＴＹ
ＢＯＲＥ ＢＯＲＥ
Instruction 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. ("Caution" may also be used to indicate other unsafe
practices or risks of property damage.)
Contents
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