PFCL201CD-20.0 3BSE029774R20 20.0 (4500)
PFCL201CE-20.0 3BSE027062R20 20.0 (4500)
PFCL201C-50.0 3BSE027070R50 50.0 (11250)
PFCL201CD-50.0 3BSE029774R50 50.0 (11250)
PFCL201CE-50.0 3BSE027062R50 50.0 (11250)
勵磁單元 PFVI401 3BSE018732R1
控制單元 PFXA401 3BSE024388R1
隔離放大器 PXUB201 3BSC630149R1
匹配單元 PFVO142 3BSE023732R1
匹配單元 PFVO143 3BSE023150R1
操作單元 PXAH401 3BSE017235R1
操作單元 PXAH402 3BSE017236R1
控制單元 PFVA401 3BSE024389R1
PFEA 113, IP 65
PFEA 111-20
PFEA 112-20
PFEA 113-20
PFEA 111-65
PFEA 112-65
PFEA 113-65
PFEA 113-65.1PXV
PFEA 113-65.2PXV
PFEA 113-65.3PXV
PFEA 113-65.4PXV
PFEA 113-65.1PXC
PFEA 113-65.2PXC
ALLEN BRADLEY 140-GS2125 / 140GS2125 (RQANS1)
ALLEN BRADLEY 705-TOD23 / 705TOD23 (USED TESTED CLEANED)
ALLEN BRADLEY JA1N056S505UA / JA1N056S505UA (NEW IN BOX)
ALLEN BRADLEY 40768-490-08 / 4076849008 (USED TESTED CLEANED)
ALLEN BRADLEY 599-SS09OJ / 599SS09OJ (RQANS1)
ALLEN BRADLEY 1-L01 / 1L01 (USED TESTED CLEANED)
ALLEN BRADLEY 889N-U8AF-5 / 889NU8AF5 (USED TESTED CLEANED)
ALLEN BRADLEY JA1N056S153UA / JA1N056S153UA (USED TESTED CLEANED)
ALLEN BRADLEY 800R-2HW4R-41577 / 800R2HW4R41577 (NEW IN BOX)
ALLEN BRADLEY 1771-OM / 1771OM (USED TESTED CLEANED)
ALLEN BRADLEY 85-A81 / 85A81 (USED TESTED CLEANED)
ALLEN BRADLEY 800H-HR2BP / 800HHR2BP (NEW IN BOX
ALLEN BRADLEY 365-A387238-1 / 365A3872381 (USED TESTED CLEANED)
ALLEN BRADLEY 141A-SM54-RS45 / 141ASM54RS45 (USED TESTED CLEANED)
ALLEN BRADLEY 190-N2 / 190N2 (USED TESTED CLEANED)
ALLEN BRADLEY 21A244 / 21A244 (RQANS2)
ALLEN BRADLEY 505-BOD-A2G / 505BODA2G (USED TESTED CLEANED)
ALLEN BRADLEY 700-RM220A1 / 700RM220A1 (NEW NO BOX)
ALLEN BRADLEY Z-36608 / Z36608 (USED TESTED CLEANED)
ALLEN BRADLEY JA1N200P101UA / JA1N200P101UA (NEW IN BOX)
ALLEN BRADLEY 700-PSTA1 / 700PSTA1 (NEW IN BOX)
ALLEN BRADLEY P7 / P7 (NEW NO BOX)
ALLEN BRADLEY B7615 / B7615 (USED TESTED CLEANED)
ALLEN BRADLEY 42SMP-7320 / 42SMP7320 (USED TESTED CLEANED)
ALLEN BRADLEY 2112B-BA-BD25J / 2112BBABD25J (NEW NO BOX)
ALLEN BRADLEY HA-060 / HA060 (USED TESTED CLEANED)
ALLEN BRADLEY 6189V-25HDDST100 / 6189V25HDDST100 (NEW IN BOX)
ALLEN BRADLEY 194R-HSG1 / 194RHSG1 (NEW IN BOX)
ALLEN BRADLEY 702-TAD92 / 702TAD92 (USED TESTED CLEANED)
ALLEN BRADLEY 1415-N50 / 1415N50 (USED TESTED CLEANED)
ALLEN BRADLEY 1012 / 1012 (USED TESTED CLEANED)
ALLEN BRADLEY 855T-B20DN3 / 855TB20DN3 (USED TESTED CLEANED)
為什么雙座閥小開度工作時容易振蕩?對單芯而言,當介質是流開型時,閥穩(wěn)定性好;當介質是流閉型時,閥的穩(wěn)定性差。雙座閥有兩個閥芯,下閥芯處于流閉,上閥芯處于流開,這樣,在小開度工作時,流閉型的閥芯就容易引起閥的振動,這就是雙座閥不能用于小開度工作的原因所在。為什么雙密封閥不能當作切斷閥使用?雙座閥閥芯的優(yōu)點是力平衡結構,允許壓差大,而它突出的缺點是兩個密封面不能同時良好接觸,造成泄漏大。如果把它人為地、強制性地用于切斷場合,顯然效果不好,即便為它作了許多改進(如雙密封套筒閥),也是不可取的。