YX-S-2

YX-S-2

Technical features:

· Unbalanced

· Single spring

· Bi-directional

· Elastomer deaphragm

· Equivalent to John Crane type 21

Operating limits:

· p1=1.6MPa

· T= - 40 to 205℃

· Vg=15m/s

Materials:

· Seal faces: carbon graphite,silicon carbide,tungsten carbide

· Staionary seats: alumina ceramic, silicon carbide,tungsten carbide

· Bellows:NBR, EPDM,FPM

· Springs:AISI304,316,316Ti

· Secondary seals: NBR,FPM,EPDM

YX-S-2-A:

Shaft size(mm)	d	D	D1	L	L1
8	8	17.5	21	13.9	5
10	10	23.5	24	16.5	6.5
11	11	23.5	24	16.5	6.5
12	12	26	26	17.5	6.5
14	14	28	28	18	7
15	15	28	28	18	7
16	16	30	32	20	7
18	18	32.5	35	19	7
19	19	32.5	35	18	8
20	20	35.5	38	19.5	8.5
22	22	37.5	40	20	8
25	25	42	44	20	9
28	28	45.5	46	21	9
30	30	48	50	22	9
32	32	50	54	24	9
35	35	54.5	58	26	10
38	38	58.5	60	27	10
40	40	62.5	64	28	10
45	45	66.5	66	30	10
50	50	72.5	72	32	10

YX-S-2-B:

Shaft size(inch)	d	D	D1	L	L1
3/8”	9.53		22.2	22.2	6.3
1/2”	12.7	23	25.4	22.2	8
5/8”	15.88	26.5	31.8	22.2	10.3
3/4”	19.05	30.5	35	22.2	10.3
7/8”	22.23	34	38.1	24	10.3
1”	25.4	40	41.3	25.4	11
1-1/8”	28.58	44.5	44.5	27	11
1-1/4”	31.75	46.5	47.7	27	11
1-3/8”	34.93	51.5	50.8	28.5	11
1-1/2”	38.1	54	54	28.5	11
1-5/8”	41.28	58	60.3	35	12.7
1-3/4”	44.45	61.5	63.5	35	12.7
1-7/8”	47.63	65.5	66.7	38	12.7
2”	50.8	70.5	69.9	38	12.7
2-1/8”	53.98	75	76.2	43	14.3
2-1/4”	57.15	79	79.4	43	14.3
2-3/8”	60.33	82	82.6	46	14.3
2-1/2”	63.5	86	85.7	46	14.3
2-5/8”	66.68	91.5	85.7	49	16
2-3/4”	69.85	91.5	88.9	49	16
2-7/8”	73.03	99	95.3	52.5	16
3”	76.2	99	98.4	52.5	16

YX-S-2-C:

Shaft size(mm)	d	D	D1	L	L1
16	16	26.5	27	25.7	10.3
18	18	30.5	33	27.2	10.3
20	20	34	35	27.2	10.3
22	22	34	37	27.2	11
24	24	40	39	29	11
25	25	40	40	29	11
28	28	44.5	43	31.5	11
30	30	46.5	45	31.5	11
32	32	46.5	48	31.5	11
33	33	50.5	48	31.5	11
35	35	51.5	50	31.5	11
38	38	54	56	34	11
40	40	58	58	32.3	12.7
43	43	61.5	61	32.3	11
45	45	61.5	63	32.3	11
48	48	65.5	66	32.3	11
50	50	70.5	70	34.8	11
53	53	74	73	33.3	13.5
55	55	76	75	33.3	14.2
58	58	79	78	38.3	14.2
60	60	82	80	38.3	14.2
63	63	87	83	38.3	14.2
65	65	85	85	36	16
68	68	91.5	90	36	16
70	70	91.5	92	44	16
73	73	99	93	44	16
75	75	99	97	44	16

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