Back-up Ring

Introduction

$E:\鍥劇墖1.png$

一、Back-up Ring - Japanese standards(JIS)

1、Product structure characteristics

When the working pressure is greater than 10MPa, or large gap between the case,
the use of gear ring to prevent O-ring early damage and squeeze into the gap, to extend the service life.

2、Working conditions

$E:\鏈懡鍚?.PNG$

3、Structure drawing

$E:\鍥劇墖1.png$

4、JIS Specification Table

S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
P3	3	6	1.25	P12	12	16	1.25
P4	4	7	1.25	P12.5	12.5	16.5	1.25
P5	5	8	1.25	P14	14	18	1.25
P6	6	9	1.25	P15	15	19	1.25
P7	7	10	1.25	P16	16	20	1.25
P8	8	11	1.25	P18	18	22	1.25
P9	9	12	1.25	P20	20	24	1.25
P10	10	13	1.25	P21	21	25	1.25
P10A	10	14	1.25	P22	22	26	1.25
P11	11	15	1.25	P22A	22	28	1.25
P11.2	11.2	15.2	1.25	P22.4	22.4	28.4	1.25


S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
P24	24	30	1.25	P75	75	75	1.9
P25	25	31	1.25	P80	80	80	1.9
P25.5	25.5	31.5	1.25	P85	85	85	1.9
P26	26	32	1.25	P90	90	90	1.9
P28	28	34	1.25	P95	95	95	1.9
P29	29	35	1.25	P100	100	100	1.9
P29.5	29.5	35.5	1.25	P102	102	102	1.9
P30	30	36	1.25	P105	105	105	1.9
P31	31	37	1.25	P110	110	110	1.9
P31.5	31.5	37.5	1.25	P112	112	112	1.9
P32	32	38	1.25	P115	115	115	1.9
P34	34	40	1.25	P120	120	120	1.9
P35	35	41	1.25	P125	125	125	1.9
P36	36	42	1.25	P130	130	130	1.9
P38	38	44	1.25	P132	132	132	1.9
P39	39	45	1.25	P135	135	135	1.9
P40	40	46	1.25	P140	140	140	1.9
P41	41	47	1.25	P145	145	145	1.9
P42	42	42	1.25	P150	150	160	1.9
P44	44	44	1.25	P150A	150	165	2.75
P45	45	45	1.25	P155	155	170	2.75
P46	46	46	1.25	P160	160	175	2.75
P48	48	48	1.25	P165	165	180	2.75
P49	49	49	1.25	P170	170	185	2.75
P50	50	50	1.25	P175	175	190	2.75
P48A	48	48	1.9	P180	180	195	2.75
P50A	50	50	1.9	P185	185	200	2.75

S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
P245	245	260	2.75	G25	25	30	1.25
P250	250	265	2.75	G30	30	35	1.25
P255	255	270	2.75	G35	35	40	1.25
P260	260	275	2.75	G40	40	45	1.25
P265	265	280	2.75	G45	45	50	1.25
P270	270	285	2.75	G50	50	55	1.25
P275	275	290	2.75	G55	55	60	1.25
P280	280	295	2.75	G60	60	65	1.25
P285	285	300	2.75	G65	65	70	1.25
P290	290	305	2.75	G70	70	75	1.25
P295	295	310	2.75	G75	75	80	1.25
P300	300	315	2.75	G80	80	85	1.25
P315	315	330	2.75	G85	85	90	1.25
P320	320	335	2.75	G90	90	95	1.25
P335	335	350	2.75	G95	95	100	1.25
P340	340	355	2.75	G100	100	105	1.25
P355	355	370	2.75	G105	105	110	1.25
P360	360	375	2.75	G110	110	115	1.25
P375	375	390	2.75	G115	115	120	1.25
P385	385	400	2.75	G120	120	125	1.25
				G125	125	130	1.25
				G130	130	135	1.25
				G135	135	140	1.25
				G140	140	145	1.25
				G145	145	150	1.25
				G150	150	160	1.9
				G155	155	165	1.9
				G160	160	170	1.9
				G165	165	175	1.9
				G170	170	180	1.9
				G175	175	185	1.9
				G180	180	190	1.9
				G185	185	195	1.9
				G190	190	200	1.9
				G195	195	205	1.9
				G200	200	210	1.9
				G210	210	220	1.9
				G220	220	230	1.9
				G230	230	240	1.9
				G240	240	250	1.9

二、Back-up Ring - American Standard(AS)

1、Product structure characteristics

When the working pressure is greater than 10MPa, or large gap between the case,

the use of gear ring to prevent O-ring early damage and squeeze into the gap, to extend the service life.

2、Working conditions

未命名.PNG

3、Structure drawing

圖片1.png

4、AS Specification Table

S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
AS001	5	7.6	1.4	AS041	19	27.8	1.9
AS002	5	9.1	1.4	AS042	20	24.1	1.4
AS003	5	10.7	1.4	AS043	21	23.6	1.4
AS004	6	8.6	1.4	AS044	21	25.1	1.4
AS005	7	9.6	1.4	AS045	21	26.7	1.4
AS006	7	11.1	1.4	AS046	21	29.8	1.9
AS007	7	12.7	1.4	AS047	22	26.1	1.4
AS008	8	10.6	1.4	AS048	22	27.7	1.4
AS009	8	12.1	1.4	AS049	22	30.8	1.4
AS010	8	13.7	1.4	AS050	23	25.6	1.4
AS011	9	13.1	1.4	AS051	23	27.1	1.4
AS012	9	17.8	1.9	AS052	24	26.6	1.4
AS013	10	12.6	1.4	AS053	24	28.1	1.4
AS014	10	14.1	1.4	AS054	24	29.7	1.4
AS015	10	15.7	1.4	AS055	24	32.8	1.9
AS016	11	13.6	1.4	AS056	25	30.7	1.4
AS017	11	15.1	1.4	AS057	25	33.8	1.9
AS018	11	16.7	1.4	AS058	26	28.6	1.4
AS019	11	19.8	1.9	AS059	26	30.1	1.4
AS020	12	16.1	1.4	AS060	27	29.6	1.4
AS021	13	15.6	1.4	AS061	27	31.1	1.4
AS022	13	17.1	1.4	AS062	27	32.7	1.4
AS023	13	18.7	1.4	AS063	27	35.8	1.9
AS024	13	21.8	1.9	AS064	29	31.6	1.4
AS025	14	18.1	1.4	AS065	29	33.1	1.4
AS026	14	19.7	1.4	AS066	29	34.7	1.4
AS027	14	22.8	1.4	AS067	29	37.8	1.9
AS028	15	17.6	1.4	AS068	30	32.6	1.4
AS029	15	19.1	1.4	AS069	30	34.1	1.4
AS030	16	18.6	1.4	AS070	30	35.7	1.4
AS031	16	20.1	1.4	AS071	30	38.8	1.9
AS032	16	21.7	1.4	AS072	32	34.6	1.4
AS033	16	24.8	1.9	AS073	32	36.1	1.4
AS034	17	21.1	1.4	AS074	32	37.7	1.4
AS035	17	25.8	1.9	AS075	32	40.8	1.9
AS036	18	20.6	1.4	AS076	33	41.8	1.9
AS037	18	22.1	1.4	AS077	34	36.6	1.4
AS038	19	21.6	1.4	AS078	34	38.1	1.4
AS039	19	23.1	1.4	AS079	34	39.7	1.4
AS040	19	24.7	1.4	AS080	35	37.6	1.4

S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
AS081	35	39.1	1.4	AS121	54	58.1	1.4
AS082	35	40.7	1.4	AS122	55	60.7	1.4
AS083	36	44.8	1.9	AS123	56	58.6	1.4
AS084	37	39.6	1.4	AS124	56	60.1	1.4
AS085	37	41.1	1.4	AS125	56	61.7	1.9
AS086	37	42.7	1.4	AS126	56	64.8	1.4
AS087	38	40.6	1.4	AS127	57	61.1	1.4
AS088	38	42.1	1.4	AS128	58	63.7	1.4
AS089	39	44.7	1.4	AS129	59	61.1	1.4
AS090	40	42.6	1.4	AS130	59	63.1	1.4
AS091	40	44.1	1.4	AS131	59	64.7	1.4
AS092	40	45.7	1.4	AS132	61	65.1	1.4
AS093	40	48.8	1.9	AS133	61	66.7	1.4
AS094	42	46.1	1.4	AS134	62	64.6	1.4
AS095	42	47.7	1.4	AS135	62	66.1	1.4
AS096	43	45.6	1.4	AS136	62	67.7	1.4
AS097	43	47.1	1.4	AS137	62	70.8	1.9
AS098	43	48.7	1.4	AS138	63	68.7	1.4
AS099	43	51.8	1.9	AS139	64	68.1	1.4
AS100	44	49.7	1.4	AS140	64	69.7	1.4
AS101	45	49.1	1.4	AS141	65	67.7	1.4
AS102	45	50.7	1.4	AS142	65	69.1	1.4
AS103	46	48.6	1.4	AS143	65	70.7	1.4
AS104	46	50.1	1.4	AS144	65	73.8	1.9
AS105	46	51.7	1.4	AS145	66	71.7	1.4
AS106	46	54.8	1.9	AS146	67	71.1	1.4
AS107	47	52.7	1.4	AS147	67	72.7	1.4
AS108	48	52.1	1.4	AS148	68	73.7	1.4
AS109	48	53.7	1.4	AS149	68	76.8	1.9
AS110	49	53.1	1.4	AS150	69	71.6	1.4
AS111	49	54.7	1.4	AS151	69	73.1	1.4
AS112	49	57.8	1.9	AS152	69	74.7	1.4
AS113	50	52.6	1.4	AS153	70	74.1	1.4
AS114	50	55.7	1.4	AS154	70	75.7	1.4
AS115	51	55.1	1.4	AS155	71	79.8	1.9
AS116	51	56.7	1.4	AS156	72	74.6	1.4
AS117	52	60.8	1.9	AS157	72	76.1	1.4
AS118	53	55.6	1.4	AS158	72	77.7	1.4
AS119	53	57.1	1.4	AS159	73	77.1	1.4
AS120	53	58.7	1.4	AS160	74	79.7	1.4

S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
AS161	74	82.8	1.9	AS201	103	108.7	1.4
AS162	75	77.6	1.4	AS203	103	111.8	1.9
AS163	75	79.1	1.4	AS204	106	114.8	1.9
AS164	75	80.7	1.4	AS205	107	109.6	1.4
AS165	75	83.8	1.9	AS205	107	111.1	1.4
AS166	77	81.1	1.4	AS206	107	112.7	1.4
AS167	78	80.6	1.4	AS207	109	117.8	1.9
AS168	78	83.7	1.4	AS208	110	112.6	1.4
AS169	78	86.8	1.9	AS209	110	115.7	1.4
AS170	79	87.8	1.4	AS210	113	115.6	1.4
AS171	80	84.1	1.4	AS211	113	117.1	1.4
AS172	81	83.6	1.4	AS212	113	118.7	1.4
AS173	81	85.1	1.4	AS213	113	121.8	1.9
AS174	81	86.7	1.4	AS214	113	124.7	2.5
AS175	81	89.8	1.9	AS215	114	125.7	2.5
AS176	83	87.1	1.4	AS216	116	118.6	1.4
AS177	84	86.6	1.4	AS217	116	121.7	1.4
AS178	84	89.7	1.4	AS218	116	124.8	1.9
AS179	84	92.8	1.9	AS219	116	127.7	2.5
AS180	87	92.7	1.4	AS220	119	121.6	1.4
AS181	87	95.8	1.9	AS221	119	123.1	1.4
AS182	88	90.6	1.4	AS222	119	124.7	1.4
AS183	88	92.1	1.4	AS223	119	127.8	1.9
AS184	89	97.8	1.9	AS224	119	130.7	2.5
AS185	90	98.8	1.9	AS225	120	128.8	1.9
AS186	91	93.6	1.4	AS226	122	124.6	1.4
AS187	91	96.7	1.4	AS227	122	127.7	1.4
AS188	94	96.6	1.4	AS228	122	130.8	1.9
AS189	94	98.1	1.4	AS229	122	133.7	2.5
AS190	94	99.7	1.4	AS230	123	131.8	1.9
AS191	94	102.8	1.9	AS231	124	135.7	2.5
AS192	97	99.6	1.4	AS232	125	136.7	2.5
AS193	97	102.7	1.4	AS233	126	128.6	1.4
AS194	97	105.8	1.9	AS234	126	130.1	1.4
AS195	99	107.8	1.9	AS235	126	131.7	1.4
AS196	100	102.6	1.4	AS236	126	134.8	1.9
AS197	100	104.1	1.4	AS237	128	130.6	1.4
AS198	100	105.7	1.4	AS238	129	134.7	1.4
AS199	100	108.8	1.9	AS239	129	137.8	1.9
AS200	103	105.6	1.4	AS240	129	140.7	2.5


S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
AS241	132	134.6	1.4	AS281	157	159.6	1.4
AS242	132	136.1	1.4	AS282	157	161.1	1.4
AS243	132	137.7	1.4	AS283	157	162.7	1.4
AS244	132	140.8	1.9	AS284	157	165.8	1.9
AS245	132	143.8	2.5	AS285	157	168.7	2.5
AS246	134	145.7	2.5	AS286	159	170.7	2.5
AS247	135	137.6	1.4	AS287	160	162.6	1.4
AS248	135	140.7	1.4	AS288	160	168.8	1.9
AS249	135	143.8	1.9	AS289	161	172.7	2.5
AS250	135	146.7	2.5	AS290	163	165.6	1.4
AS251	136	144.8	1.9	AS291	163	171.8	1.9
AS252	138	140.6	1.4	AS292	163	174.7	2.5
AS253	138	142.1	1.4	AS293	164	168.1	1.4
AS254	138	143.7	1.4	AS294	164	169.7	1.4
AS255	138	146.8	1.9	AS295	166	177.7	2.5
AS256	138	149.7	2.5	AS296	167	169.6	1.4
AS257	139	147.8	1.9	AS297	167	175.8	1.9
AS258	141	143.6	1.4	AS298	167	178.7	2.5
AS259	141	146.7	1.4	AS299	170	172.6	1.4
AS260	141	149.8	1.9	AS300	170	174.1	1.4
AS261	141	152.7	2.5	AS301	170	175.7	1.4
AS262	142	150.8	1.9	AS302	170	178.8	1.9
AS263	144	146.6	1.4	AS303	170	181.7	2.5
AS264	144	152.8	1.9	AS304	173	175.6	1.4
AS265	144	155.7	2.5	AS305	173	181.8	1.9
AS266	145	149.1	1.4	AS306	174	185.7	2.5
AS267	145	150.7	1.4	AS307	176	180.1	1.4
AS268	145	153.8	1.9	AS308	176	181.7	1.4
AS269	147	149.6	1.4	AS309	176	184.8	1.9
AS270	148	153.7	1.4	AS310	176	187.7	2.5
AS271	148	156.8	1.9	AS311	180	191.7	2.5
AS272	148	159.7	2.5	AS312	183	187.1	1.4
AS273	151	153.6	1.4	AS313	183	188.7	1.4
AS274	151	155.1	1.4	AS314	183	191.8	1.9
AS275	151	156.7	1.4	AS315	183	194.7	2.5
AS276	151	159.8	1.9	AS316	186	197.7	2.5
AS277	151	162.7	2.5	AS317	189	193.1	1.4
AS278	154	156.6	1.4	AS318	189	194.7	1.4
AS279	154	162.8	1.9	AS319	189	197.8	1.9
AS280	155	166.7	2.5	AS320	189	200.7	2.5



S/N	Specification			S/N	Specification
S/N	d	D	T	S/N	d	D	T
AS321	193	204.7	2.5	AS371	290	298.8	1.9
AS322	195	200.7	1.4	AS372	290	301.7	2.5
AS323	195	203.8	1.9	AS373	291	296.7	1.4
AS324	195	206.7	2.5	AS374	297	308.7	2.5
AS325	196	200.1	1.4	AS375	303	308.7	1.4
AS326	199	210.7	1.4	AS376	303	311.8	1.9
AS327	202	206.1	1.4	AS377	303	314.7	2.5
AS328	202	207.7	1.4	AS378	310	321.7	2.5
AS329	202	210.8	1.9	AS379	316	327.7	2.5
AS330	202	213.7	2.5	AS380	322	333.7	2.5
AS331	208	212.1	1.4	AS381	329	334.7	1.4
AS332	208	213.7	1.4	AS382	329	337.8	1.9
AS333	208	216.8	1.9	AS383	329	340.7	2.5
AS334	208	219.7	2.5	AS384	335	346.7	2.5
AS335	214	219.7	1.4	AS385	341	352.7	2.5
AS336	214	222.8	1.9	AS386	354	359.7	1.4
AS337	214	225.7	2.5	AS387	354	362.8	1.9
AS338	214	219.1	1.4	AS388	354	365.7	2.5
AS339	215	225.1	1.4	AS389	367	378.7	2.5
AS340	221	226.7	1.4	AS390	379	387.8	1.9
AS341	221	229.8	1.9	AS391	379	390.7	2.5
AS342	221	232.7	2.5	AS392	380	385.7	1.4
AS343	227	231.1	1.4	AS393	392	403.7	2.5
AS344	227	232.7	1.4	AS394	404	409.7	1.4
AS345	227	235.8	1.9	AS395	404	412.8	1.9
AS346	227	238.7	2.5	AS396	404	415.7	2.5
AS347	233	241.8	1.9	AS397	417	428.7	2.5
AS348	233	244.7	2.5	AS398	430	435.7	1.4
AS349	234	238.1	1.4	AS399	430	438.8	1.9
AS350	234	239.7	1.4	AS400	430	441.7	2.5
AS351	240	244.1	1.4	AS401	442	453.7	2.5
AS352	240	245.7	1.1	AS402	455	460.7	1.4
AS353	240	248.8	1.9	AS403	455	463.8	1.9
AS354	240	251.7	2.5	AS404	455	466.7	2.5
AS355	246	250.1	1.4	AS405	468	479.7	2.5
AS356	246	251.7	1.4	AS406	480	488.8	1.9
AS357	246	254.8	1.9	AS407	480	491.7	2.5
AS358	246	257.7	2.5	AS408	493	504.7	2.5
AS359	252	260.8	1.9	AS409	506	514.8	1.9
AS360	252	263.7	2.5	AS410	506	517.7	2.5
AS361	253	258.7	1.4	AS411	531	539.8	1.9
AS362	259	270.7	2.5	AS412	531	542.7	2.5
AS363	265	270.7	1.4	AS413	557	565.8	1.9
AS364	265	273.8	1.9	AS414	557	568.7	2.5
AS365	265	276.7	2.5	AS415	582	590.8	1.9
AS366	271	282.7	2.5	AS416	582	593.7	2.5
AS367	278	283.7	1.4	AS417	607	615.7	1.9
AS368	278	286.8	1.9	AS418	607	618.7	2.5
AS369	278	289.7	2.5	AS419	632	640.8	1.9
AS370	284	295.7	2.5	AS420	632	643.7	2.5
				AS421	658	666.8	1.9

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Date：2018-3-24 16:54:30

Related Products: U-ring Support Ring; Back-up Ring; Rotary Spring energized Seal; Guide sleeve(JFAT)

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Back-up Ring