size	d	d3	d4	d7	L1	L3
7L-12S	12	28.55	32	25/26	9.5	8
7L-12M	12	30	35	25/26	9.5	8
7L-12L	12	33.4	38	25/26	10.8	6.7
7L-13	13	30	35	25/26	10	8
7L-15	15	36.45	41.5	30.5	12.5	8
7L-16	16	36.45	41.5	30.5	12.5	8
7L-16S	16	36.45	41.5	28	11.5	8.5
7L-16M	16	36.45	41.5	31.5	11.5	9
7L-16L	16	38.1	43.5	30.5	12.5	8
7L-16LD	16	38.1	43.5	28.5	12.5	8
7L-20	20	38/40	43.8	37	12.5	9.5
7L-20S	20	40	43.8	37	12.5	9.5

Operation Conditions：

Temperature：-20℃~ 200℃
Pressure：≦5 ㎏ / c㎡
Speed：≦15 m/s
Medium：Clean water, Warm water lubricant, Turbid water

Standard Materials：

Stationary Ring ：Carbon / SIC / TC
Rotary Ring：Ceramic / SIC
Secondary Seal：NBR / EPDM / VITON / HNBR
Metal parts：S.S / SUS 304 / SUS316

Applications：

◆ Auto cooling pump
◆ Household pump
◆ General pump
◆ Small-typed centrifugal pump

Specification:

Temperature：- 20℃~200℃
Pressure：≦ 5 kg/c㎡
Speed：≦15m/sec
Medium：Clean water, Warm water lubricant