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询价QQ: 3206749044     橡胶垫圈密封是利用阀板与阀座间压紧橡胶垫圈，依靠橡胶弹性变形填塞表面不平来实现的密封DZ30-2-52/200,DZ30-2-5X/200Y,ZDC10P-2X/M,ZDC32P-2X/M,ZDB6VA1-4X/315,ZDB6VA2-42/100V,ZDB6VA2-4X/200,ZDB6VA2-4X/200,

ZDB6VB2-42/200V,ZDB6VP1-4X/200,ZDB6VP2-4X/50V,ZDB6VP2-42/315V,Z2DB6VC2-4X/100V,Z2DB6VC2-4X/315,ZDB10VA2-4X/315,

ZDB10VB2-4X/200V,ZDB10VP1-40/200,Z2DB10VC2-35/100,ZDB10VP1-4X/50V,ZDB10VP1-4X/100V,ZDB10VP2-41/315V,ZDBK10VP2-1X/210V,

ZDR6DA2-43/75Y,ZDR6DB2-4X/75YM,ZDR6DPO-45/40YMW80,ZDR6DP1-4X/150YM,ZDR6DP1-4X/210YM,ZDR6DP2-4X/25YM,ZDR6DP2-4X/75YM,

ZDB6DP2-4X/100V,ZDR6DP2-43/150YM,ZDR6DP2-43/210YM,ZDR10DP2-54/75YM,ZDR10DP2-4X/210YM,ZDR10DP2-54/210YM,ZDR10VP5-3X/315YM,。目前真空阀门的胶垫密封归纳起来有6种，如图18所示。前4种用于较大口径的阀门，后2种用于较小口径的阀门。a种是早期采用的结构Z2S10-2-3X/

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Z2S6A3-6X

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Z2S10-4-3X

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Z2S32-1-1X

Z2S10B1-20

Z2S10-20

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Z2S10-1-5X/V

Z2S22-1-5X

Z2S16A1-5X

Z2S10-1-5X

Z2S6-2-6X/

Z2S6-1-64/V

Z2S10-1-3X/

Z2S16A-1-5X/V

Z2S16-1-51

Z2S6-1-60

Z2S32-30

Z2S10-3-3X/S2

Z2S6-1-3X

Z2S10-1-3X

Z2S10-3-3X/S2

Z2S16-1-5X

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Z2S6-1-6X

Z2S10-4-3X

Z2S22-4-5X

Z2S10-4-3X

Z2S6-1-64

Z2S10-3-3X/S2

Z2S16A1-5X

Z2S10B1-3X

Z2S16-1-5X

Z2S6-1-6X

Z2S6A1-6X/

Z2S6-2-6X/

Z2S16A-30

Z2S16-1-5X

Z2S10A2-3X/V

Z2S10-2-3X/

Z2S10-1-2X

Z2S6-2-4X

Z2S10-1-2X

Z2S6-2-4X

Z2S10-3-3X/S2，为了便于加工阀座上的密封槽，必须把阀座与阀壳设计成可拆卸的，这就在结构上增加了一道真空密封。现在绝大多数阀门都采用阀板上带密封圈的结构。DG4V-3-0C-M-U-H-7-60 DG4V-3-2AL-MU-h-7-60

DG4V-3-2AL-MU-P-7-60,DG4V-3-2A-MU-H-7-60

DG4V-3-2AV-MU-SA-7-60,DG4V-3-2C-M-D-6-60

DG4V-3-2C-M-U-H-7-60,DG4V-3-32A-M-U-D6-60

DG4V-3-33B-MU-H7-60,DG4V-3-6C-MU-D6-60

DG4V-3-6C-MU-H7-30,DG4V-3-6C-M-U-H-7-60

DG4V-3-7C-M-U-H-7-60,DG4V-3-8C-M-U-H-7-60

DG4V-3S-0AL-MU-H5-60,DG4V-3S-0A-MU-H5-60

DG4V-3S-0A-MU-H5-60,DG4V-3S-2AL-MU-H5-60

DG4V-3S-2A-M-U-H5-60,DG4V-3S-2A-MU-H5-60

DG4V-3S-2BL-MU-H5-60,DG4V-3S-2B-MU-H5-60

DG4V-3S-2C-MU-H5-60,DG4V-3S-2N-M-U-H5-60

DG4V-3S-31C-MU-H5-20,DG4V-3S-6C-MU-H5-60

DG4V-3S-7C-MU-H5-60,DG4V-3S-OAL-MU-H5-60

DG4V-3S-OA-VM-U-H5-60,DG4V-3S-OB-M-U-H5-60

DG4V-3S-OC-MU-H5-60,DG4V-5-0AL-MU-H5-20

DG4V-5-0A-MU-H5-20,DG4V-5-22A-M-U-ED6-20

DG4V-5-2AJ-MU-H5-20,DG4V-5-2AJ-MU-H6-20

    选择真空阀门的密封结构时应注意以下几点：a.尽可能减少阀板下高真空侧的放气因素，例如选用放气率小的密封垫材料等.b.关阀后密封圈截面上有最大的压缩变形.c.结构力求简单;d.制造方便;e.密封元件便于拆卸和修理。R900961568 4WE 10 J4X/CG24N9DKL/V

R900961573 DBEP 6 A01-1X/45AG24NK4M

R900961574 DBEM 20-5X/315XYG24NK4M-2

R900961580 P2GF2/016+GF2/006RE01+N01E4

R900961583 4WEH 16 Q7X/6EG24N9EK4/B10

R900961598 4WEH 22 E7X/6EG24N9ETS2DKL/B10

R900961602 LFA 50 DBEM74-7X/315 

R900961614 H-4WEH 25 E6X/6EG24EK4QMBG24/B10D3

R900961617 DBEMT-3X/315YG24NK4

R900961626 DBW 10 B2-5X/50-6EW110N9K4

R900961651 ABHAG-0100S40/A10VSO18/132S/S /010E812A

R900961653 4WE 6 Y6X/EG24NK4/V

R900961695 HSZ 10 A216-3X/S315M01

R900961700 LFA 63 D-7X/FX18

R900961711 LC 40 DB40E7X/V-104

R900961712 DBW 30 B2-5X/200YS6EG24N9K4R12

R900961722 4WRZ 25 W3-325-5X/6A24NEK4/M

R900961728 ZDR 6 DA2-4X/150-100Y

R900961733 DB 20 G2-5X/350Y

R900961749 4WEH 16 HD7X/OF6EG24ETK4/B08V

R900961763 LFA 40 DBW2-7X/315/12

R900961764 LFA 16 DBU2A2-7X/315A100

R900961782 4WE 10 D4X/CG110N9DL

R900961795 3WE 6 A6X/EG24N9K4/B08

R900961811 4WRZ 10 W50-5X/6A24N9ETK4/M

R900961820 3DREP 6 C-2X/25EG24NJK31/V

R900961825 DB3U 30 H2-5X/315-6EW230N9K4

R900961827 4WEH 16 Y7X/6EW230N9TS2K4

R900961832 4WEH 16 J2-7X/6EW230N9TS2K4

R900961833 4WEH 32 H6X/6EG205N9ETSK4/B10

R900961834 4WEH 32 E6X/6EG205N9ETSK4/B10

R900961850 Z1SRA 15 F1-1X/M SO5

R900961862 4WS2EM10-4X/10B2ET315K8BV-52

R900961869 4WRDU 16 V200L-5X/6L24K9/M

R900961872 4WE 10 D4X/CW230DL

R900961880 DBEE 6-1X/200G24NK31M

R900961889 4WRH 25 E325-7X//M

R900961896 LFA 50 EWA-7X/CA20DQMG24

R900961899 4WE 6 J6X/EG24NK4/B10V

R900961901 LFA 32 KWA-7X/A10P12

R900961914 4WEH 16 T7X/6EG24N9S2K4

R900961918 4WEH32Q6X/6EG24N9ETK4/B10

R900961974 4WRZ 16 E150-7X/6EG24N9ETK4/V

    阀门关闭的密封性能好坏决定于密封垫填塞阀座表面不平的程度。影响这种填塞程度的因素有二方面：a.密封垫材料的硬度和压紧程度;b.阀座表面的粗糙度。Z2FS6-2-4X-20V

Z2FS16/5-3X/V

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Z2FS16-3X/S2

Z2FS16-3X/S2

Z2FS6-2-4X

Z2FS6-2-4X/ZQV/60

Z2FS22-3X/S2

Z2FS6-2-4X/2QV

Z2FS16-3X/S2

Z2FS6--2-4X/2QV

Z2FS6-2-4X/1QV

Z2FS6-2-43/2Q

Z2FS16-3X/S2

Z2FS6-2-4X/1QV

Z2FS6-2-43/2QV

Z2FS6-2-4X/2QV

Z2FS6-2-43/2QV

Z2FSK10-2-11/2QV yong Z2FS10-5-3X/V

Z2FS16-1-5X/

Z2FS10-1-3X/

Z2FS16-5-3X/V含带指示灯插头

Z2FS16-3X/V

Z2FS10-5-3X/V

Z2FS6-3-4X/2QV

Z2FS6-2-4X/2QV

Z2FSK6-2-12/2QV 用 Z2S6-2-4X/2QV

Z2FS6-6-4X/2QV

Z2FS10-5-3X

Z2FS10-5-31/V

Z2FS10-5-3X/V

Z2FS16-31/S2

Z2FS6-2-4X/2Q

Z2FS6-4X/2Q

Z2FS10-3X

Z2FS10-3X

Z2FS6-5-44/ZQV通常阀座表面的粗度都高于3.2/Δ，密封垫的硬度都在邵氏硬度55～75之间。密封垫的压紧程度，VICKERS??线圈507848、507826、507834、617476、617471、616780、02-101728、02-178049?

阀565477、529762、859175、859172、859163、616776、616772、867323、867339、857580、02-348943?

DG4V-3-2A-M-U-D6-60、DG4V-3-2A-M-U-H7-60、DG4V-3-2C-M-U-C6-60、DG4V-3-2C-M-U-D6-6、DG4V-3-2N-M-U-H7-60、DG4V-3-2N-M-U-C6-60、DG4V-5-2CJ-M-U-H6-20、DG4V-5-2NJ-M-U-H6-20、DGMPC-5-ABK-30、MFB5-UY-21、PVH57C、PVQ10、PVQ20、PVQ40AR01、PVH057R、DGMC-3-PT-GW-41、DG4V-5-6CJ-M-U-H6-20根据试验结果，当橡胶的硬度在邵氏硬度50以上，而表面没有任何擦伤时，橡胶垫的高度压缩比在15%以上就能达到漏气率小于1.33×10-7Pa·L/s·cFn。的密封性能。如果考虑到制造精度上允许的偏差·把压缩比适当提高一些是必要的。因此建议真空阀门密封垫的相对压缩比通常取为15%～25%。DBW20A1-52/200-6EG24N9K4,DBW20A1-52/200-6EG24N9K4,DBW20A2-5X/315-6EG24N9K4,DBW20B1-52/200-6EG24N9K4,

DBW20B1-52/350-6EW230N9K4,DBW20B2-52/100-6EW230N9K4,DBW20B2-5X/100G24N9K4,DBW20B2-52/315U6EG24N9K4,

DBW20B2-52/3156EG24N9K4,DBW20B2-52/3156EG24N9K4,DBW20B2-52/200-6EG24N9K4,DBW30A2-52/315-6EG24N9K4,

DBW30B1-52/350-6EW230N9K4,DBW30B1-5X/315-6EG24N9K4,DBW30B2-52/100U6EG24N9K4,DBW30B2-5X/315-6EG24N9K4,

DBW30B2-5X/350-6EG24N9K4,DA6VA2-4X/100-17M,DA6VA2A5X/100FSM,DA6VA2A5X/200FSM,DB6K2-44/315YV,DB10-1-5X/50,DB10-1-5X/50,

DB10-1-4X/200-W65,DB10-1-52/100,DB10-1-50/315,DB10-1-5X/350X,DB10-2-50/200,DB10-2-50/315,DB10-7-5X/350,DB20-1-5X/200,DB20-1-5X/315,

DB20-1-5X/315,DB20-1-5X/350,DB20-2-52/50,DB20-2-5X/100,DB20-2-5X/315,DB20K1-4X/50Y,DB20K2-1X/100Y,DB30-2-5X/315,DB30G2N-54/90E,

DR6DP1-5X/150Y,DR6DP2-5X/75YV,DR6DP2-53/75YM,DR6DP2-5X/150YM,DR10DP2-4X/150YM,DR10DP2-43/210YM,DR10K5-31/200YM,DR10-4-5X/100Y,

DR10-4-5X/100Y,DR10-4-52/315YM,DR10-5-5X/100YM,DR10-5-5X/200YM,DR20-4-45/200YM,DR20-4-52/200YM,DR20-5-52/100Y,DR20-5-52/315Y,

DR20-5-52/315YM,DR30-5-52/100Y,DR30-5-52/315YM,DRC4-52/100Y,DRC4-52/200Y,DZ10

   胶垫密封闷板的密封力计算，多数可按0形环在矩形槽中受压缩的密封力进行近似地计算RZMO-A-010/100

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RZMO-A-010/210/18 20

RZMO-A-010/315

RZMO-A-010/315/18

RZMO-A-010/315/24

RZMO-A-010/315/6

RZMO-A-010/350

RZMO-A-010/50

RZMO-A-010/50/18

RZMO-A-010-315-20

RZMO-A-030/100

RZMO-A-030/100 20

  RZMA-A-010/250/M 21

    RZMA-A-030/180/M/7 21

    RZMO-A-010/100

    RZMO-A-010/210

    RZMO-A-010/210/18 20

    RZMO-A-010/315

    RZMO-A-010/315/18

    RZMO-A-010/50

    RZMO-A-010/50/18

    RZMO-A-030/100 20

    RZMO-A-030/210 20

    RZMO-A-030/210/18

    RZMO-A-030/315

    RZMO-AE-010/315 10

    RZMO-AE-030/100 40

    RZMO-P1-010/100/18/MC 20

    RZMO-P1-010/210

    RZMO-P3-010/100/AM1NSA

    RZMO-P3-010/100/I/AM1NSA