AS-R 自力式安全切断阀
概要: 安全切断阀由出口压力来控制 指挥器(导阀)动作,从而实现切断 气体向下游输送的功能。“超压切 断 ”功能即当安全切断阀下游信号 采集点处的压力超出弹簧所设定的 范围后 ,集点处的压力信号反馈给 指挥器(导阀),使指挥器(导阀)活 塞向上移动,从而使拉杆脱扣,重锤 向下冲击撞针 ,撞针向下移动使得 挂钩与翻板脱开 ,翻板向下关闭阀
亚威华——高端燃气设备制造商 热线电话:0755-25887166,25887137 。亚威华公司从1995年成立至今,本着“燃气设备、质量过关”的企业宗旨,以工匠精神造高端设备,为三大石油长输管线分输站,央企首钢、中电投、中石油、中石化、中海油以及各大石油院校提供多批高质量的天然气输配设备:
安全切断阀由出口压力来控制 指挥器(导阀)动作,从而实现切断 气体向下游输送的功能。“超压切 断 ”功能即当安全切断阀下游信号 采集点处的压力超出弹簧所设定的 范围后 ,集点处的压力信号反馈给 指挥器(导阀),使指挥器(导阀)活 塞向上移动,从而使拉杆脱扣,重锤 向下冲击撞针 ,撞针向下移动使得 挂钩与翻板脱开 ,翻板向下关闭阀 门,从而切断气体向下游的输送,保 护下游设备及管线的安全。
公称尺寸 Nominal size |
NPS1~ 12 |
公称压力 Nominal pressure |
Class150~900 |
执行标准 Standard |
EN 14382 |
阀体材料 Body material |
A352 LCC ,WCB |
关断时间 On-off time |
≤0.5s (取决于操作压力,阀门公称尺寸) ≤0.5s (Depending on the operating pressure, the valve diameter) |
设定偏差 Setting variability |
±2.5% |
适用介质 Suitable medium |
天然气及非腐蚀性气体 Natural gas and non-corrosive gases |
适用温度 Suitable temperature |
-29℃ ~+60℃ ;-46℃ ~+60℃ |
应 用 Application |
长输管线输气站、城市燃气调压站、工业用气等压力控制系统中 的安全装置 Safety device for long-distance pipeline gas station, city gas pressure regulating stations, industrial gas pressure control system |
@ 工作原理 / Working principle
安全切断阀由出口压力来控制 指挥器(导阀)动作,从而实现切断 气体向下游输送的功能。“超压切 断 ”功能即当安全切断阀下游信号 采集点处的压力超出弹簧所设定的 范围后 ,集点处的压力信号反馈给 指挥器(导阀),使指挥器(导阀)活 塞向上移动,从而使拉杆脱扣,重锤 向下冲击撞针 ,撞针向下移动使得 挂钩与翻板脱开 ,翻板向下关闭阀 门,从而切断气体向下游的输送,保 护下游设备及管线的安全。
“ 欠压切断 ”功能即当安全切断 阀下游信号采集点处的压力低于弹 簧所设定的范围后,采集点处的压力 信号反馈给指挥器(导阀),使指挥器 (导阀)活塞向下移动,从而使拉杆脱 扣,重锤向下冲击撞针,撞针向下移 动使得挂钩与翻板脱开,翻板向下关 闭阀门 ,从而切断气体向下游的输 送,保护下游设备及管线的安全。
Safety on-off valve is controlled by the outlet pressure pilot (pilot valve) action, so as to cut off gas to the downstream transport."Super-pressure on-off" feature that is, when the safety on-off valve downstream signal acquisition point pres-sure exceeds the range set by the spring collection point at the pressure signal back to the pilot (pilot valve), the pilot (pilot valve) piston moving up, so that the trolley trip, hammer down the impact of the firing pin and firing pin moves down makes disengage the hook and flap, flap valve is closed down, there- by cutting off gas to the downstream transport, protection of downstream equipment and pipeline safety.
"Undervoltage lockout" function safety on-off valve down-stream signal acquisition at the point of pressure is lower than the range set by the spring collection point at the pres-sure signal back to the pilot (pilot valve), the pilot (pilot valve) the piston moves down, so that the trolley trip, hammer downthe impact of the firing pin and firing pin moves down makes disengage the hook and flap, flap valve is closed down,thereby cutting off the gas to the downstream conveyor to prevent energy waste and not safe transport, protection ofdownstream equipment and pipeline safety.
@ 产品技术参数 / Product technical parameter
指挥器型号
Controller model
弹簧编号及颜色
Spring number and color
超压切断
Overrun close
欠压切断
Lower limit close
切断精度 Accuracy
序号 Number
颜色 Color
设定范围(MPa) Setting range
设定范围(MPa) Setting range
AG
AS-R-G1xx
1
2
3
4
5
6
红 Red
橙 Orange
黄Yellow
绿 Green
蓝 Blue
紫 Purple
0.1~ 1
0.5~2
1.5~4.5
4 ~7
6~9
8~ 11
-
20/ 10
5/2.5
2.5/1
1
1
1
7
8
黑 Black
白 White
0.01~0.3
0.1~0.5
20/ 10
AS-R-G2xx
1
2
3
4
5
红 Red
橙 Orange
黄 Yellow
绿 Green
蓝 Blue
1~4
3~6
5~8
7~ 10
9~ 11
2.5/1
1
1
1
1
6
银灰
Silver-gray
-
0.1~0.5
20/ 10
@ 主要零部件材料 / Material of main part
@ 相关尺寸 / Dimensions
Class150( RF )
NPS |
L |
L1 |
L2 |
o1 |
o2 |
H |
连接螺栓 Connecting bolts |
|
规格 Pecification |
数量 Quantity |
|||||||
1″ |
170 |
2 |
12.7 |
79.4 |
110 |
330 |
M14 |
4 |
2″ |
230 |
2 |
17.5 |
120.7 |
150 |
360 |
M16 |
4 |
3″ |
280 |
2 |
22.3 |
152.4 |
190 |
420 |
M16 |
4 |
4″ |
320 |
2 |
22.3 |
190.5 |
230 |
460 |
M16 |
8 |
6″ |
430 |
2 |
23.9 |
241.3 |
280 |
720 |
M20 |
8 |
8″ |
725 |
2 |
27.0 |
298.5 |
345 |
750 |
M20 |
8 |
10″ |
730 |
2 |
28.6 |
362.0 |
405 |
810 |
M24 |
12 |
12″ |
850 |
2 |
30.2 |
431.8 |
485 |
880 |
M24 |
12 |
Class300(RF)
NPS |
L |
L1 |
L2 |
o1 |
o2 |
H |
连接螺栓 Connecting bolts |
|
规格 Specification |
数量 Quantity |
|||||||
1″ |
170 |
2 |
15.5 |
88.9 |
125 |
330 |
M16 |
4 |
2″ |
230 |
2 |
20.4 |
127.0 |
165 |
360 |
M16 |
8 |
3″ |
290 |
2 |
27.0 |
168.3 |
210 |
420 |
M20 |
8 |
4″ |
330 |
2 |
30.2 |
200.0 |
255 |
460 |
M20 |
8 |
6″ |
440 |
2 |
35.0 |
269.9 |
320 |
720 |
M20 |
12 |
8″ |
725 |
2 |
39.7 |
330.2 |
380 |
750 |
M24 |
12 |
10″ |
775 |
2 |
46.1 |
387.4 |
445 |
810 |
M27 |
16 |
12″ |
850 |
2 |
49.3 |
450.8 |
520 |
880 |
M30 |
16 |
Class600(RF)
NPS |
L |
L1 |
L2 |
o1 |
o2 |
H |
连接螺栓 Connecting bolts |
|
规格 Specification |
数量 Quantity |
|||||||
1″ |
180 |
7 |
17.5 |
88.9 |
125 |
330 |
M16 |
4 |
2″ |
250 |
7 |
25.4 |
127.0 |
165 |
360 |
M16 |
8 |
3″ |
310 |
7 |
31.8 |
168.3 |
210 |
420 |
M20 |
8 |
4″ |
350 |
7 |
38.1 |
215.9 |
275 |
470 |
M24 |
8 |
6″ |
470 |
7 |
47.7 |
292.1 |
355 |
730 |
M27 |
12 |
8″ |
725 |
7 |
55.6 |
349.2 |
420 |
770 |
M30 |
12 |
10″ |
775 |
7 |
63.5 |
431.8 |
510 |
840 |
M33 |
16 |
12″ |
900 |
7 |
66.7 |
489.0 |
560 |
900 |
M33 |
20 |
Class900(RJ)
NPS |
L |
L1 |
L2 |
o1 |
o2 |
H |
环号 |
连接螺栓 Connecting bolts |
|
规 格 Specification |
数 量 Quantity |
||||||||
2″ |
368 |
7.92 |
38.1 |
165.1 |
215 |
385 |
R24 |
M24 |
8 |
3″ |
381 |
7.92 |
38.1 |
190.5 |
240 |
435 |
R31 |
M24 |
8 |
4″ |
457 |
7.92 |
44.5 |
235.0 |
290 |
480 |
R37 |
M30 |
8 |
6″ |
610 |
7.92 |
55.6 |
317.5 |
380 |
745 |
R45 |
M30 |
12 |
8″ |
813 |
7.92 |
63.5 |
393.7 |
470 |
800 |
R49 |
M36 ×3 |
12 |
10″ |
838 |
7.92 |
69.9 |
469.9 |
545 |
860 |
R53 |
M36 ×3 |
16 |
12″ |
965 |
7.92 |
79.4 |
533.4 |
610 |
930 |
R57 |
M36 ×3 |
20 |
@ 压力取样点配管连接尺寸 / Pressure sampling point pipe connection size
NPS |
指挥器型号 Controller model |
配管材料 Piping material |
配管直径 mm Pipe diameter |
1″ |
AS-R-G1xx |
不锈钢管 Stainless steel pipe |
φ 10 × 1.5 |
2″~ 6″ |
φ 12 × 1.5 |
||
6″~ 12″ |
AS-R-G2xx |
φ 12 × 1.5 |
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