Wenzhou Dongsheng Mechanical Seals Factory.

Pump Seals

Other

Install&Used Usage Instruction

Home > Products > 没械芊

DMU202 Series

YM U202 series seal is a modified type of 102 series, which is of multi-spring, double face and non-equilibrium structure. Only using a set of springs, it is of compact structure and can be easily installed. It is applicable for rotary shaft seal in pump which conveys corrosive and crystallized mediums containing granules or fiber. The seal cavity should have recycleliquid and cooling liquid inside so as to lubricate the friction ring and the pressure should be less than 1 MPa.

Applicable range:
◇ Medium: Common corrosive mediums, such as water, oil
◇ Pressure:≤1.0 MPa
◇ Temperature:-20~180℃
◇ Speed:≤3000 rpm

1、Stationary seat 2、Stationary O ring 3、Stationary 4、Moving ring 5、Collar
6、Moving seat 7、Spring 8、Fixed seat 9、Moving O ring

Model	d	d1	D	D1	D2	L	L1	L2	L3
U202-20	20	21	29	35	38	77	19	19	7
U202-25	25	26	34	40	43	77	19	19	7
U202-30	30	31	39	45	48	80	19	19	7
U202-35	35	36	44	50	53	80	20	20	7
U202-40	40	41	51	58	61	85	20	20	7
U202-45	45	46	56	63	66	85	20	20	7
U202-50	50	51	62	70	73	88	21	21	7
U202-55	55	56	67	75	78	88	21	21	7
U202-60	60	61	72	80	83	100	22	22	7
U202-65	65	66	77	85	88	100	22	22	7
U202-70	70	71	83	92	95	108	25	25	7
U202-75	75	76	88	97	100	108	25	25	7
U202-80	80	81	95	105	108	108	25	25	7
U202-85	85	86	100	110	113	108	26	26	7
U202-90	90	91	105	115	118	108	26	26	7
U202-95	95	96	110	120	123	108	26	26	7
U202-100	100	102	115	125	128	108	26	26	7