点击图片查看原图日本SMC弯头型调速阀AS1211F-M5E-04A,AS2200-0212
调节节流阀的开度，便可改变气缸的运动速度。
这种控制方式，活塞运行稳定，是zui常用的回路。
排气节流阀常带有，可降低排气噪声20dB以上。
这种节流阀在不洁净的环境中，能防止通过排气孔污染气路中的元件。
速度控制阀在回路中的两种连接方式，
左边的回路为排气节流方式，换向阀通电后，
气缸进气侧的单向阀开启，向气缸无杆腔快速充气，
有杆腔的气体只能经排气侧的节流阀排气。
而右侧的回路则为进气节流方式，进气侧单向阀关闭，
排气侧单向阀开启。进气流量小，
进气腔压力上升缓慢，排气迅速，排气腔压力很低。
主要靠压缩空气的膨胀使活塞前进，
故这种节流方式很难控制气缸的速度达到稳定。
一般只用于单作用气缸、夹紧缸和低摩擦力气缸的速度控制。.
一般用于换向阀与气缸之间不能安装速度控制阀的场合及带阀气缸上。
与速度控制阀的调速方法相比由于控制容积增大，
控制性能变差。特别对座阀式换向阀和带单向密封圈的滑阀，
使用排气节流阀会引起背压增大或密封圈摩擦力增大
可能使换向阀动作不良，使用时要注意。
在中位止回式电磁阀的排气口上不能使用带的排气节流阀阀ASN2。
日本SMC弯头型调速阀AS1211F-M5E-04A,AS2200-0212
| CDQMA50TF-25 | AC30C-F02G-1 | CM2RA32-50 |
| CDQMA50TF-50 | AC30C-F02G-2 | CM2RB25-N3618-80 |
| CDQMB100TF-100 | AC30C-F02G-6 | CM2UZ20-60 |
| CDQMB100TF-20 | AC30C-F02G-8 | CM2UZ20-60Z |
| CDQMB100TF-50 | AC30C-F02G-J | CP95SDB32-50 |
| CDQMB100TF-75 | AC30C-F02G-N | CQ2B12-10S |
| AS1201F-M3-23 | AC30C-F02G-R | CQ2B12-30D |
| CDQMB12-30 | AC30C-F02G-V | CQ2B12-5D |
| CDQMB12-5 | AC30C-F02G-V-1 | CQ2B20-10DZ |
| CDQMB16-10 | AC30C-F02G-V-2 | CQ2B20-15D |
| CDQMB16-15 | AC30C-F02G-V-6 | CQ2B20-5D |
| CDQMB16-20 | AC30C-F02G-V-8 | CQ2B25-10D |
| CDQMB16-25 | AC30C-F02G-V-J | CQ2B25-10DZ |
| CDQMB16-30 | AC30C-F02G-V-N | CQ2B25-15DZ |
| AS1211F-M5-04 | AC30C-F02G-V-R | CQ2B25-25D-XB9 |
| AS1211F-M5-04T | AC30C-F02G-V-W | CQ2B25-30D |
| AS1211F-M5-06 | AC30C-F02G-W | CQ2B32-20DZ |
| AS1211F-M5-23 | AC30C-F02-J | CQ2B32-30DZ |
| AS1211F-U10/32-03 | AC30C-F02-N | CQ2B32-5DZ |
| AS1211F-M5-04K | AC30C-F02-R | CQ2B40-10DMZ |
| AS1211F-M5E-04A | AC30C-F02-V | CQ2B40-15D |
| AS2201-01-F06S-X737 | AC30C-F02-V-1 | CQ2B40-25DMZ |
| AS2201-01-F08S-X737 | AC30C-F02-V-2 | CQ2B40-30DCMZ |
| AS2201-02-F06S-X737 | AC30C-F02-V-6 | CQ2D12-5DM |
| AS2201-02-F08S-X737 | AC30C-F02-V-8 | CQ2D50-15DMZ-XC26 |
| AS2201-02-F10S-X737 | AC30C-F02-V-J | CQ2F50-100DCM |
| AS2211-01-F06S-X737 | AC30C-F02-V-N | CQ2KB20-20D |
| AS2211-01-F08S-X737 | AC30C-F02-V-R | CQ2kB32-15DMZ |
| AS2211-02-F06S-X737 | AC30C-F02-V-W | CQ2WB12-5D |
| AS2211-02-F08S-X737 | AC30C-F02-W | CQ2WB25-35D |
| AS2211-02-F10S-X737 | AC30C-F03 | CQMA32-15 |
| AS3201-03-F08S-X737 | AC30C-F03-1 | CQMB12-20 |
| AS3201-03-F10S-X737 | AC30C-F03-2 | CQMB20-15 |
| AS3211-03-F08S-X737 | AC30C-F03-6 | CQMB20-30 |
| AS3211-03-F10S-X737 | AC30C-F03-8 | cqsb12-30dm |
| AS1301F-M5-04 | AC30C-F03C | CQSB12-5DC |
| AS1301F-M5-04T | AC30C-F03C-1 | CQSB20-35D-XB6 |
| AS1301F-M5-06 | AC30C-F03C-2 | CQSB25-10D |
| AS1301F-M5-23 | AC30C-F03C-6 | CQSB25-10DC |
| AS1301F-U10/32-03 | AC30C-F03C-8 | CQSB25-15DC |
| AS1311F-M5-04 | AC30C-F03C-J | CQSB25-35DM |
| AS1311F-M5-04T | AC30C-F03C-N | CQSB25-90DC |
| AS1311F-M5-06 | AC30C-F03C-R | CQSF12-30D |
| AS2201F-01-04S | AC30C-F03C-V | CQSWB20-10DM |
| AS2201F-01-04ST | AC30C-F03C-V-1 | CRB1BW50-180S |
| AS2201F-01-06S | AC30C-F03C-V-2 | CRB2BW10-180SZ |
| AS2201F-01-06ST | AC30C-F03C-V-6 | CRB2BW10-90SE |
| AS2201F-01-08S | AC30C-F03C-V-8 | CRB2BW10-90SZ |
| AS2201F-01-08ST | AC30C-F03C-V-J | CRB2BW15-90SZ |
| AS2201F-01-10S | AC30C-F03C-V-N | CRB2BW20-180SEZ |
| AS2201F-01-23S | AC30C-F03C-V-R | CRB2BW20-180SZ |
| AS2201F-02-04S | AC30C-F03C-V-W | CRB2BW20-90s |
| AS2201F-02-06S | AC30C-F03C-W | CRB2BW30-180SZ |
| AS2201F-02-06ST | AC30C-F03D | CRB2BW40-270SZ |
| AS2201F-02-08S | AC30C-F03D-1 | CS1BQ180-300-X1463 |
| AS2201F-02-08ST | AC30C-F03D-2 | CS1CN160-200 |
| AS2201F-02-10S | AC30C-F03D-6 | CS1D160-DCG5781G-300 |
| AS2201F-N01-07S | AC30C-F03D-8 | CS1T125-700 |
| AS2201F-N02-07S | AC30C-F03DG-12R | CS2-125A-PS |
| AS2211F-01-04S | AC30C-F03D-J | CU20-5D |
| AS2211F-01-06S | AC30C-F03D-N | CUJB10-15D |
| AS2211F-01-08S | AC30C-F03D-R | CUJB12-15D |
| AS2211F-01-10S | AC30C-F03D-V | CUJB8-4D |
| AS2211F-02-04S | AC30C-F03D-V-1 | CUK20-40D |
| AS2211F-02-06S | AC30C-F03D-V-2 | CX2N25-50 |
| AS2211F-02-08S | AC30C-F03D-V-6 | CXSJL10-75 |
| AS2211F-02-10S | AC30C-F03D-V-8 | CXSJL6-10 |
| AS2301F-01-04S | AC30C-F03D-V-J | CXSJM10-10 |
| AS2301F-01-06S | AC30C-F03D-V-N | CXSJM10-30 |
| AS2301F-01-06ST | AC30C-F03D-V-R | CXSJM10-75 |
| AS2301F-01-08S | AC30C-F03D-V-W | CXSL20-100A |
| AS2301F-02-04S | AC30C-F03D-W | CXSL20-50A |
| AS2301F-02-06S | AC30C-F03E | CXSL20-90A |
| AS2301F-02-08S | AC30C-F03E-1 | CXSL25-25-Y59A |
| AS2301F-02-10S | AC30C-F03E-2 | CXSM10-10 |
| AS2311F-01-04S | AC30C-F03E-6 | CXSM-10-30 |
| AS2311F-01-06S | AC30C-F03E-8 | CXSM10-30 |
| AS2311F-02-06S | AC30C-F03E-J | CXSM10-40 |
| AS2311F-02-08S | AC30C-F03E-N | CXSM10-50-Z73 |
| AS3201F-02-06S | AC30C-F03E-R | CXSM15-10 |
| AS3201F-02-08S | AC30C-F03E-V | CXSM15-15 |
| AS3201F-02-10S | AC30C-F03E-V-1 | CXSM15-150-XB11 |
| AS3201F-02-12S | AC30C-F03E-V-2 | CXSM15-40 |
| AS3201F-03-06S | AC30C-F03E-V-6 | CXSM15-70 |
| AS3201F-03-08S | AC30C-F03E-V-8 | CXSM15-75 |
| AS3201F-03-08ST | AC30C-F03E-V-J | CXSM15-90 |
| AS3201F-03-10S | AC30C-F03E-V-N | CXSM20-10 |
| AS3201F-03-10ST | AC30C-F03E-V-R | CXSM20-100 |
| AS3201F-03-12S | AC30C-F03E-V-W | CXSM20-20 |
| AS3211F-02-08S | AC30C-F03E-W | CXSM20-30 |
| AS3211F-03-06S | AC30C-F03G | CXSM20-40 |
| AS3211F-03-08S | AC30C-F03G-1 | CXSM20-70-Z73 |
| AS3211F-03-10S | AC30C-F03G-2 | CXSM25-10 |
| AS3211F-03-12S | AC30C-F03G-6 | CXSM25-100 |
| AS3301F-02-06S | AC30C-F03G-8 | CXSM25-20 |
| AS3301F-02-08S | AC30C-F03G-J | CXSM25-30 |
| AS3301F-02-10S | AC30C-F03G-N | CXSM25-40 |
| AS3301F-03-06S | AC30C-F03G-R | CXSM25-50 |
| AS3301F-03-08S | AC30C-F03G-V | CXSM25-80 |
| AS3301F-03-10S | AC30C-F03G-V-1 | CXSM32-60 |
| AS3301F-03-12S | AC30C-F03G-V-2 | CXSM6-10 |
| AS3311F-03-10S | AC30C-F03G-V-6 | CXSM6-20 |
| AS4201F-04-10S | AC30C-F03G-V-8 | CXSWM10-150-Z73 |
| AS4201F-04-12S | AC30C-F03G-V-J | CXWL16-100 |
| AS4211F-04-10S | AC30C-F03G-V-N | CY1L15H-50B-A73 |
| AS4211F-04-12S | AC30C-F03G-V-R | CY1L20H-150B-A73 |
| AS4301F-04-10S | AC30C-F03G-V-W | CY1L25H-300 |
| AS4301F-04-12S | AC30C-F03G-W | CY1SG10-250BZ-A93V |
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