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安装止回阀时，应特别注意介质流动方向，应使介质正常流动方向与阀体上指示的箭头方向相一致，否则就会截断介质的正常流动。底阀应安装在水泵吸水管路的底端。
止回阀关闭时，会在管路中产生水锤压力，严重时会导致阀门、管路或设备的损坏，尤其对于大口管路或高压管路，故应引起止回阀选用者的高度注意。
止回阀只供防止各类管路或设备上流体介质逆流的单向启闭阀
单向阀类型 Z1S
Z1S 10 A1-3X/V W4
Z1S 10 A2-3X/V
Z1S 10 A3-3X/V
Z1S 10 B1-3X/V
Z1S 10 B3-3X/V
Z1S 10 C1-3X/V
Z1S 10 C1-3X/V SO30
Z1S 10 C1-3X/V W4
Z1S 10 C2-3X/V
Z1S 10 C3-3X/V
Z1S 10 D1-3X/V
Z1S 10 D1-3X/V W4
Z1S 10 D2-3X/V
Z1S 10 D3-3X/V
Z1S 10 E1-3X/V
Z1S 10 E1-3X/V W4
Z1S 10 E2-3X/V
Z1S 10 E3-3X/V
Z1S 10 F1-3X/V
Z1S 10 F2-3X/V
Z1S 10 F2-3X/V SO68
Z1S 10 F3-3X/V
Z1S 10 P1-3X/V
Z1S 10 P1-3X/V SO113
Z1S 10 P1-3X/V SO30
Z1S 10 P1-3X/V SO68
Z1S 10 P1-3X/V W4
Z1S 10 P2-3X/V
Z1S 10 P2-3X/V SO1
Z1S 10 P3-3X/V
Z1S 10 P3-3X/V SO1
Z1S 10 T1-3X/V
Z1S 10 T1-3X/V SO30
Z1S 10 T1-3X/V W4
Z1S 10 T2-3X/V
Z1S 10 T2-3X/V SO30
Z1S 10 T3-3X/V
Z1S 10 T3-3X/V SO105
Z1S 16 A1-1X/V
Z1S 16 C1-1X/V
Z1S 16 E1-1X/V SO4
Z1S 16 F1-1X/V
Z1S 16 P1-1X/
Z1S 16 P1-1X/V
Z1S 16 P1-1X/V SO68
Z1S 16 T1-1X/V
Z1S 16 T2-1X/
Z1S 16 T3-1X/V
Z1S 22 P1-1X/
Z1S 22 P1-1X/V
Z1S 22 T1-1X/V
Z1S 22 T3-1X/
Z1S 22 T3-1X/V
Z1S 4 E1-1X/V
Z1S 4 E3-1X/V
Z1S 4 T3-1X/V
Z1S 6 A1-3X/V
Z1S 6 A2-3X/V
Z1S 6 B1-3X/V
Z1S 6 B2-3X/V
Z1S 6 B3-3X/V
Z2FS 10-3-3X/V
Z2FS 10-5-3X/ SO30
Z2FS 10-5-3X/JV
Z2FS 10-5-3X/V
Z2FS 10-5-3X/V SO30
Z2FS 10-5-3X=V=PL
Z2FS 10-7-3X/V
Z2FS 10A3-3X/S2V
Z2FS 10A3-3X/SV
Z2FS 10A5-3X/S
Z2FS 10A5-3X/S2
Z2FS 10A5-3X/S2V
Z2FS 10A5-3X/SV
Z2FS 10A7-3X/S2V
Z2FS 10A7-3X/SV
Z2FS 10B3-3X/S2V
Z2FS 10B3-3X/SV
Z2FS 10B5-3X/S2V
Z2FS 10B5-3X/SV
Z2FS 10B5-3X/V SO11
Z2FS 10B7-3X/S2V
Z2FS 10B7-3X/SV
Z2FS 16-3X/S
Z2FS 16-3X/S SO3
Z2FS 16-3X/S2
Z2FS 16-3X/S2 SO3
Z2FS 16-3X/S2J
Z2FS 16-3X/S2V
Z2FS 16-3X/SJ
Z2FS 16-3X/SV
Z2FS 16-3X/SV=LB
Z2FS 22-3X/S
Z2FS 22-3X/S SO2
Z2FS 22-3X/S SO3
Z2FS 22-3X/S2
Z2FS 22-3X/S2 SO2
Z2FS 22-3X/S2 SO3
Z2FS10-3-3X/V
Z2FS10-5-3X/SO30
Z2FS10-5-3X/JV
Z2FS10-5-3X/V
Z2FS10-5-3X/VSO30
Z2FS10-5-3X=V=PL
Z2FS10-7-3X/V
Z2FS10A3-3X/S2V
Z2FS10A3-3X/SV
Z2FS10A5-3X/S
Z2FS10A5-3X/S2
Z2FS10A5-3X/S2V
Z2FS10A5-3X/SV
Z2FS10A7-3X/S2V
Z2FS10A7-3X/SV
Z2FS10B3-3X/S2V
Z2FS10B3-3X/SV
Z2FS10B5-3X/S2V
Z2FS10B5-3X/SV
Z2FS10B5-3X/VSO11
Z2FS10B7-3X/S2V
Z2FS10B7-3X/SV
Z2FS10-5-3X/V
Z2FS10A5-3X/SV
Z2FS10A5-3X/S2V
Z2FS10-3-3X/V
Z2FS10-7-3X/V
Z2FS10
Z2FS10.-3X/
Z2FS10-1.1/V
Z2FS10-11
Z2FS10-2.0
Z2FS10-20/V
Z2FS10-21+22+23/V
Z2FS10-2X
Z2FS10-3X/V
Z2FS10-3X
Z2FS10-3X/V
Z2FS10-3-3X/V
Z2FS10-5-3X/
Z2FS10-5-3X/JV
Z2FS10-5-3X/MT
Z2FS10-5-3X/SO30
Z2FS10-5-3X/V
Z2FS10-5-3X/VSO30
Z2FS10-5-3X=V
Z2FS10-5-3X=V=LB
Z2FS10-5-3X=V=PL
Z2FS10-7-3X/V
Z2FS10A3-3X/S2V
Z2FS10A3-3X/SV
Z2FS10A5-3X/S/V
Z2FS10A5-3X/S2
Z2FS10A5-3X/S2/V
Z2FS10A7-3X/S2V
Z2FS10A7-3X/SV
Z2FS10B3-3X/S2V
Z2FS10B3-3X/SV
Z2FS10B5-3X/S/V
Z2FS10B5-3X/S2/V
Z2FS10B5-3X/S2VSO30
Z2FS10B5-3X/SVSO30
Z2FS10B7-3X/S2V
Z2FS10B7-3X/SV
型号Z2FSK
叠加式双单向节流阀 210bar系列
规格6和10
安装面按DIN 24340 A 型和ISO 4401
用于限制一个或两个工作油口的主流量或控制油量
用于进口节流或出口节流控制参考
型号如下：
DICHTSATZ Z2FSK 10-1X/V DICHTSATZZ2FSK10-1X/V
DICHTSATZ Z2FSK 6-1X/V DICHTSATZZ2FSK6-1X/V
Z2FSK 10-2-1X/2QV Z2FSK10-2-1X/2QV
Z2FSK 6-2-1X/2QV Z2FSK6-2-1X/2QV
DICHTUNGSSATZ Z2FSK 6.-1X/V
DICHTUNGSSATZ Z2FSK 10.-1X/V
POC.JT/Z2FSK10-1X/V
POC.JT/Z2FSK6.-1X/V
POC.JT/Z2FSK6-1X/V
Z2FSK10-2-1X/2Q/V
Z2FSK6-2-1X/2QV
Z2FSK6-5-1X/2QV