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1、 JA-3剪銷安全閥 JA-3 SHEAR RELIEF VALVE 使用說明 Operation Introduction JA-3剪銷安全閥 JA-3 Shear Relief Valve JA-3剪銷安全閥法蘭接頭 JA-3 Shear Relief Valve Flange Union Joint Item No. (1) (2) (3) (4) (5) (6) 規(guī)格說明Description 接頭 Unio

2、n Joint 擋圈 Snap Ring 活塞總成Piston assy. 閥體 Valve Body 活塞桿 Piston rod 緩沖墊 Cushion pad Item No. (7) (8) (9) (10) (11) (12) 規(guī)格說明Description 圓柱銷 Column pin 縮緊彈簧 Lock spring 安全蓋 Safety cover 剪切板 Shear board 剪切銷 Shear pin 警告牌 Warning plate Item No. (13) (14) (15) (

3、16) (17) (18) 規(guī)格說明Description 銷軸 Pin shaft 鋼絲擋圈 Steel wire snap ring 銘牌 Name plate 銷軸 Cotter pin 螺母 Nut M4 螺釘 Screw nail M416 Item No. (19) (20) (21) 規(guī)格說明Description 螺栓 Bolt M10110 螺母 Nut M10 螺栓 Screw nail M38 法蘭接頭 Flange Union Joint JA-3剪銷安全閥結(jié)構(gòu)如上圖所示。當(dāng)壓力

4、高出額定知時(shí)，（3）活塞升起，頂起剪切板（10）以剪短剪切銷（11）從而快速排空壓力。 JA-3剪銷安全閥靠改變剪切銷的位置進(jìn)而達(dá)到排出壓力的效果，操作簡(jiǎn)單。 所標(biāo)示的壓力被可在剪切板上。當(dāng)要調(diào)節(jié)壓力時(shí)，只要把剪切銷插到相對(duì)應(yīng)的孔里即可。注意，一個(gè)剪切銷只允許插入一個(gè)剪切板中。缸套尺寸同剪銷安全閥壓力變化相關(guān)。禁止使用鐵絲，焊條或替他物質(zhì)代替。那將安全閥壓力受到影響而引發(fā)事故。 The structure of JA-3 shear relief valve is showed above. When the pressure is more than the rated data, t

5、he piston⑶ raises, jacks up the shear board⑽ to break off the shear pin⑾ so as to empty the sap flow promptly. JA-3 shear relief valve change the leaked pressure with the poison movement of shear pin. It operates simply. Pressure level mark is carved on the shear board. You only need insert the sh

6、ear pin into the relative hole when you want to adjust the operation pressure. Note, only one shear pin is allowed to insert in shear board. Liner size is changed relatively adjust the relief valve pressure. The use of steel wire, welding rod or other materials is forbidden. That will effect pressure of relief valve and cause the accident.