V規格(Oリングと溝の寸法表)

Oリング(オーリング)V規格とは、日本工業規格(JIS B2401)が真空フランジ用Oリングの為に定めた寸法規格です。但し、一般にはJISの規定寸法に準ずる派生寸法(内径が規定の中間や延長に位置する寸法)もV規格とされ、区別されることは殆どありません。高温や高真空で使用されることの多い規格の為、材質はFKM-70(4D)が広く選択されています。V規格のOリング、及びV規格のOリングに推奨される溝の寸法は、下表のとおりです。

規格の一覧(早見表)
寸法の選び方(ガイド)
呼び番号 線径
(太さ)
内径 呼び径 G1 G1
許容差
G2 G G
許容差
S S
許容差
V104.0±0.109.5±0.2010+1.0/0205.0+1.0/03.00/-0.20
V114.0±0.1010.5±0.2011+1.0/0215.0+1.0/03.00/-0.20
V124.0±0.1011.5±0.2012+1.0/0225.0+1.0/03.00/-0.20
V144.0±0.1013.5±0.2014+1.0/0245.0+1.0/03.00/-0.20
V154.0±0.1014.5±0.2015+1.0/0255.0+1.0/03.00/-0.20
V164.0±0.1015.5±0.2416+1.0/0265.0+1.0/03.00/-0.20
V184.0±0.1017.5±0.2418+1.0/0285.0+1.0/03.00/-0.20
V204.0±0.1019.5±0.2420+1.0/0305.0+1.0/03.00/-0.20
V214.0±0.1020.5±0.2421+1.0/0315.0+1.0/03.00/-0.20
V224.0±0.1021.5±0.2422+1.0/0325.0+1.0/03.00/-0.20
V244.0±0.1023.5±0.241024+1.0/0345.0+1.0/03.00/-0.20
V254.0±0.1024.5±0.3325+1.0/0355.0+1.0/03.00/-0.20
V264.0±0.1025.5±0.3326+1.0/0365.0+1.0/03.00/-0.20
V284.0±0.1027.5±0.3328+1.0/0385.0+1.0/03.00/-0.20
V304.0±0.1029.5±0.3330+1.0/0405.0+1.0/03.00/-0.20
V324.0±0.1031.5±0.3332+1.0/0425.0+1.0/03.00/-0.20
V344.0±0.1033.5±0.332034+1.0/0445.0+1.0/03.00/-0.20
V354.0±0.1034.5±0.3735+1.0/0455.0+1.0/03.00/-0.20
V364.0±0.1035.5±0.3736+1.0/0465.0+1.0/03.00/-0.20
V384.0±0.1037.5±0.3738+1.0/0485.0+1.0/03.00/-0.20
V404.0±0.1039.5±0.372540+1.0/0505.0+1.0/03.00/-0.20
V424.0±0.1041.5±0.4942+1.0/0525.0+1.0/03.00/-0.20
V444.0±0.1043.5±0.4944+1.0/0545.0+1.0/03.00/-0.20
V454.0±0.1044.5±0.4945+1.0/0555.0+1.0/03.00/-0.20
V464.0±0.1045.5±0.4946+1.0/0565.0+1.0/03.00/-0.20
V484.0±0.1047.5±0.4948+1.0/0585.0+1.0/03.00/-0.20
V504.0±0.1049.5±0.4950+1.0/0605.0+1.0/03.00/-0.20
V534.0±0.1052.5±0.4953+1.0/0635.0+1.0/03.00/-0.20
V554.0±0.1054.5±0.494055+1.0/0655.0+1.0/03.00/-0.20
V564.0±0.1055.5±0.6156+1.0/0665.0+1.0/03.00/-0.20
V584.0±0.1057.5±0.6158+1.0/0685.0+1.0/03.00/-0.20
V604.0±0.1059.5±0.6160+1.0/0705.0+1.0/03.00/-0.20
V634.0±0.1062.5±0.6163+1.0/0735.0+1.0/03.00/-0.20
V654.0±0.1064.5±0.6165+1.0/0755.0+1.0/03.00/-0.20
V674.0±0.1066.5±0.6167+1.0/0775.0+1.0/03.00/-0.20
V704.0±0.1069.0±0.615070+1.0/0805.0+1.0/03.00/-0.20
V754.0±0.1074.0±0.7275+1.0/0855.0+1.0/03.00/-0.20
V804.0±0.1079.0±0.7280+1.0/0905.0+1.0/03.00/-0.20
V854.0±0.1084.0±0.726585+1.0/0955.0+1.0/03.00/-0.20
V904.0±0.1089.0±0.8390+1.0/01005.0+1.0/03.00/-0.20
V954.0±0.1094.0±0.8395+1.0/01055.0+1.0/03.00/-0.20
V1004.0±0.1099.0±0.8380100+1.0/01105.0+1.0/03.00/-0.20
V1054.0±0.10104.0±0.97105+1.0/01155.0+1.0/03.00/-0.20
V1104.0±0.10109.0±0.97110+1.0/01205.0+1.0/03.00/-0.20
V1154.0±0.10114.0±0.97115+1.0/01255.0+1.0/03.00/-0.20
V1204.0±0.10119.0±0.97100120+1.0/01305.0+1.0/03.00/-0.20
V1254.0±0.10124.0±0.97125+1.0/01355.0+1.0/03.00/-0.20
V1304.0±0.10129.0±1.18130+1.0/01405.0+1.0/03.00/-0.20
V1354.0±0.10134.0±1.18135+1.0/01455.0+1.0/03.00/-0.20
V1404.0±0.10138.5±1.18140+1.0/01505.0+1.0/03.00/-0.20
V1454.0±0.10143.5±1.18145+1.0/01555.0+1.0/03.00/-0.20
V1504.0±0.10148.5±1.18125150+1.0/01605.0+1.0/03.00/-0.20
V1554.0±0.10153.0±1.36155+1.0/01655.0+1.0/03.00/-0.20
V1604.0±0.10158.0±1.36160+1.0/01705.0+1.0/03.00/-0.20
V1654.0±0.10163.0±1.36165+1.0/01755.0+1.0/03.00/-0.20
V1704.0±0.10168.0±1.36170+1.0/01805.0+1.0/03.00/-0.20
V1754.0±0.10173.0±1.36150175+1.0/01855.0+1.0/03.00/-0.20
V1804.0±0.10178.0±1.53180+1.0/01905.0+1.0/03.00/-0.20
V1854.0±0.10183.0±1.53185+1.0/01955.0+1.0/03.00/-0.20
V1904.0±0.10188.0±1.53190+1.0/02005.0+1.0/03.00/-0.20
V1954.0±0.10193.0±1.53195+1.0/02055.0+1.0/03.00/-0.20
V2004.0±0.10198.0±1.53200+1.0/02105.0+1.0/03.00/-0.20
V2054.0±0.10203.0±1.70205+1.0/02155.0+1.0/03.00/-0.20
V2104.0±0.10208.0±1.70210+1.0/02205.0+1.0/03.00/-0.20
V2154.0±0.10213.0±1.70215+1.0/02255.0+1.0/03.00/-0.20
V2204.0±0.10218.0±1.70220+1.0/02305.0+1.0/03.00/-0.20
V2256.0±0.15222.5±1.70200225+1.0/02418.0+1.0/04.50/-0.20
V2306.0±0.15227.5±1.95230+1.0/02468.0+1.0/04.50/-0.20
V2356.0±0.15232.5±1.95235+1.0/02518.0+1.0/04.50/-0.20
V2406.0±0.15237.5±1.95240+1.0/02568.0+1.0/04.50/-0.20
V2456.0±0.15242.5±1.95245+1.0/02618.0+1.0/04.50/-0.20
V2506.0±0.15247.5±1.95250+1.0/02668.0+1.0/04.50/-0.20
V2556.0±0.15252.5±2.02255+1.0/02718.0+1.0/04.50/-0.20
V2606.0±0.15257.5±2.02260+1.0/02768.0+1.0/04.50/-0.20
V2656.0±0.15262.5±2.02265+1.0/02818.0+1.0/04.50/-0.20
V2706.0±0.15267.5±2.02270+1.0/02868.0+1.0/04.50/-0.20
V2756.0±0.15272.0±2.02250275+1.0/02918.0+1.0/04.50/-0.20
V2806.0±0.15277.0±2.27280+1.0/02968.0+1.0/04.50/-0.20
V2856.0±0.15282.0±2.27285+1.0/03018.0+1.0/04.50/-0.20
V2906.0±0.15287.0±2.27290+1.0/03068.0+1.0/04.50/-0.20
V2956.0±0.15292.0±2.27295+1.0/03118.0+1.0/04.50/-0.20
V3006.0±0.15297.0±2.27300+1.0/03168.0+1.0/04.50/-0.20
V3056.0±0.15302.0±2.34305+1.0/03218.0+1.0/04.50/-0.20
V3106.0±0.15307.0±2.34310+1.0/03268.0+1.0/04.50/-0.20
V3156.0±0.15312.0±2.34315+1.0/03318.0+1.0/04.50/-0.20
V3206.0±0.15317.0±2.34320+1.0/03368.0+1.0/04.50/-0.20
V3256.0±0.15321.5±2.34300325+1.0/03418.0+1.0/04.50/-0.20
V3306.0±0.15326.5±2.51330+1.5/03468.0+1.0/04.50/-0.20
V3356.0±0.15331.5±2.51335+1.5/03518.0+1.0/04.50/-0.20
V3406.0±0.15336.5±2.51340+1.5/03568.0+1.0/04.50/-0.20
V3456.0±0.15341.5±2.51345+1.5/03618.0+1.0/04.50/-0.20
V3506.0±0.15346.5±2.51350+1.5/03668.0+1.0/04.50/-0.20
V3556.0±0.15351.5±2.68355+1.5/03718.0+1.0/04.50/-0.20
V3606.0±0.15356.5±2.68360+1.5/03768.0+1.0/04.50/-0.20
V3656.0±0.15361.5±2.68365+1.5/03818.0+1.0/04.50/-0.20
V3706.0±0.15366.5±2.68370+1.5/03868.0+1.0/04.50/-0.20
V3756.0±0.15371.5±2.68375+1.5/03918.0+1.0/04.50/-0.20
V3806.0±0.15376.0±2.68350380+1.5/03968.0+1.0/04.50/-0.20
V3856.0±0.15381.0±2.83385+1.5/04018.0+1.0/04.50/-0.20
V3906.0±0.15386.0±2.83390+1.5/04068.0+1.0/04.50/-0.20
V3956.0±0.15391.0±2.83395+1.5/04118.0+1.0/04.50/-0.20
V4006.0±0.15396.0±2.83400+1.5/04168.0+1.0/04.50/-0.20
V4056.0±0.15401.0±2.99405+1.5/04218.0+1.0/04.50/-0.20
V4106.0±0.15406.0±2.99410+1.5/04268.0+1.0/04.50/-0.20
V4156.0±0.15411.0±2.99415+1.5/04318.0+1.0/04.50/-0.20
V4206.0±0.15416.0±2.99420+1.5/04368.0+1.0/04.50/-0.20
V4256.0±0.15421.0±2.99425+1.5/04418.0+1.0/04.50/-0.20
V4306.0±0.15425.5±2.99400430+1.5/04468.0+1.0/04.50/-0.20
V4356.0±0.15430.5±3.15435+1.5/04518.0+1.0/04.50/-0.20
V4406.0±0.15435.5±3.15440+1.5/04568.0+1.0/04.50/-0.20
V4456.0±0.15440.5±3.15445+1.5/04618.0+1.0/04.50/-0.20
V4506.0±0.15445.5±3.15450+1.5/04668.0+1.0/04.50/-0.20
V4556.0±0.15450.5±3.30455+1.5/04718.0+1.0/04.50/-0.20
V4606.0±0.15455.5±3.30460+1.5/04768.0+1.0/04.50/-0.20
V4656.0±0.15460.5±3.30465+1.5/04818.0+1.0/04.50/-0.20
V4706.0±0.15465.5±3.30470+1.5/04868.0+1.0/04.50/-0.20
V4756.0±0.15470.5±3.30475+1.5/04918.0+1.0/04.50/-0.20
V48010.0±0.30475.0±3.30450480+1.5/050412.0+1.0/07.00/-0.20
V49010.0±0.30485.0±3.60490+1.5/051412.0+1.0/07.00/-0.20
V50010.0±0.30494.5±3.60500+1.5/052412.0+1.0/07.00/-0.20
V51010.0±0.30504.5±3.60510+1.5/053412.0+1.0/07.00/-0.20
V52010.0±0.30514.5±3.60520+1.5/054412.0+1.0/07.00/-0.20
V53010.0±0.30524.5±3.60500530+1.5/055412.0+1.0/07.00/-0.20
V54010.0±0.30534.0±3.92540+1.5/056412.0+1.0/07.00/-0.20
V55010.0±0.30544.0±3.92550+1.5/057412.0+1.0/07.00/-0.20
V56010.0±0.30554.0±3.92560+1.5/058412.0+1.0/07.00/-0.20
V57010.0±0.30564.0±3.92570+1.5/059412.0+1.0/07.00/-0.20
V58010.0±0.30574.0±3.92580+1.5/060412.0+1.0/07.00/-0.20
V58510.0±0.30579.0±3.92550585+1.5/060912.0+1.0/07.00/-0.20
V59010.0±0.30584.0±4.24590+1.5/061412.0+1.0/07.00/-0.20
V60010.0±0.30593.0±4.24600+1.5/062412.0+1.0/07.00/-0.20
V61010.0±0.30603.5±4.24610+1.5/063412.0+1.0/07.00/-0.20
V62010.0±0.30613.5±4.24620+1.5/064412.0+1.0/07.00/-0.20
V63010.0±0.30623.5±4.24630+1.5/065412.0+1.0/07.00/-0.20
V64010.0±0.30633.5±4.24600640+1.5/066412.0+1.0/07.00/-0.20
V65010.0±0.30643.0±4.54650+2.0/067412.0+1.0/07.00/-0.20
V66010.0±0.30653.0±4.54660+2.0/068412.0+1.0/07.00/-0.20
V67010.0±0.30663.0±4.54670+2.0/069412.0+1.0/07.00/-0.20
V68010.0±0.30673.0±4.54680+2.0/070412.0+1.0/07.00/-0.20
V69010.0±0.30683.0±4.54650690+2.0/071412.0+1.0/07.00/-0.20
V70010.0±0.30692.5±4.83700+2.0/072412.0+1.0/07.00/-0.20
V71010.0±0.30702.5±4.83710+2.0/073412.0+1.0/07.00/-0.20
V72010.0±0.30712.5±4.83720+2.0/074412.0+1.0/07.00/-0.20
V73010.0±0.30722.5±4.83730+2.0/075412.0+1.0/07.00/-0.20
V74010.0±0.30732.5±4.83700740+2.0/076412.0+1.0/07.00/-0.20
V75010.0±0.30742.0±5.12750+2.0/077412.0+1.0/07.00/-0.20
V76010.0±0.30752.0±5.12760+2.0/078412.0+1.0/07.00/-0.20
V77010.0±0.30762.0±5.12770+2.0/079412.0+1.0/07.00/-0.20
V78010.0±0.30772.0±5.12780+2.0/080412.0+1.0/07.00/-0.20
V79010.0±0.30782.0±5.12750790+2.0/081412.0+1.0/07.00/-0.20
V80010.0±0.30791.5±5.44800+2.0/082412.0+1.0/07.00/-0.20
V81010.0±0.30801.5±5.44810+2.0/083412.0+1.0/07.00/-0.20
V82010.0±0.30811.5±5.44820+2.0/084412.0+1.0/07.00/-0.20
V83010.0±0.30821.5±5.44830+2.0/085412.0+1.0/07.00/-0.20
V84010.0±0.30831.5±5.44840+2.0/086412.0+1.0/07.00/-0.20
V84510.0±0.30836.5±5.44800845+2.0/086912.0+1.0/07.00/-0.20
V85010.0±0.30841.5±6.06850+2.0/087412.0+1.0/07.00/-0.20
V86010.0±0.30851.5±6.06860+2.0/088412.0+1.0/07.00/-0.20
V87010.0±0.30861.5±6.06870+2.0/089412.0+1.0/07.00/-0.20
V88010.0±0.30871.5±6.06880+2.0/090412.0+1.0/07.00/-0.20
V89010.0±0.30881.5±6.06890+2.0/091412.0+1.0/07.00/-0.20
V90010.0±0.30891.0±6.06900+2.0/092412.0+1.0/07.00/-0.20
V91010.0±0.30901.0±6.06910+2.0/093412.0+1.0/07.00/-0.20
V92010.0±0.30911.0±6.06920+2.0/094412.0+1.0/07.00/-0.20
V93010.0±0.30921.0±6.06930+2.0/095412.0+1.0/07.00/-0.20
V94010.0±0.30931.0±6.06940+2.0/096412.0+1.0/07.00/-0.20
V95010.0±0.30940.5±6.06900950+2.0/097412.0+1.0/07.00/-0.20
V96010.0±0.30950.5±6.67960+2.0/098412.0+1.0/07.00/-0.20
V97010.0±0.30960.5±6.67970+2.0/099412.0+1.0/07.00/-0.20
V98010.0±0.30970.5±6.67980+2.0/0100412.0+1.0/07.00/-0.20
V99010.0±0.30980.5±6.67990+2.0/0101412.0+1.0/07.00/-0.20
V100010.0±0.30990.5±6.671000+2.0/0102412.0+1.0/07.00/-0.20
V101010.0±0.301000.0±6.671010+2.0/0103412.0+1.0/07.00/-0.20
V102010.0±0.301010.0±6.671020+2.0/0104412.0+1.0/07.00/-0.20
V103010.0±0.301020.0±6.671030+2.0/0105412.0+1.0/07.00/-0.20
V104010.0±0.301030.0±6.671040+2.0/0106412.0+1.0/07.00/-0.20
V105010.0±0.301039.0±6.671050+2.0/0107412.0+1.0/07.00/-0.20
V105510.0±0.301044.0±6.6710001055+2.0/0107912.0+1.0/07.00/-0.20

※ 溝寸法は参考値です。