Detailed drawing of air operating valve
Components of the spare parts set
No. ⑩ Fluid regulator PR-5B・PR-5BN
・○ marked parts are consumable parts
・☆ marked parts differ among PR-B5, PR-B5N respectively
Note) No 8 Main body: it is Stainless steel for PR-5BN
No. Parts name Qty Size
１ Piston set ４
Supplied as a set
of spare parts
２ Spool packing １２
３ O ring ２
Supplied as a set
of O-ring
４ O ring ２
５ Bolt with hex. hole ４ Ｍ４×２０Ｌ
No. Parts name Qty No. Parts name Qty
1 Joint 1 13 Diaphragm stopper 1
2 Valve spring 1 14 O ring 1
○ 3 Tungsten carbide ball 1 15 Spring washer 1
○ 4 O ring 1 16 Hex. Nut 1
○ 5 Tungsten carbide seat 1 17 Bolt with hex hole 6
○ 6 Packing 1 18 Adj. spring 1
7 Jam nut 1 19 Diaphragm cap 1
☆ 8 Main body 1 20 Spring holder 1
9 Joint 1 21 Hex. Nut 1
○ 10 Diaphragm bolt 1 22 Handle set 1
11 Diaphragm holder 1 23 Rising pipe 1
○ 12 Diaphragm 1 24 Pressure gauge 1
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