Specifications

KSDF Flexible Valve
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kSDF  Rubber Check Valv

•  be made in our company hve been constanly receiving repution not only at home but overseas.
• This valve is our special product ,and it is used for draining sewage .In such foreign countries  as Spain or America,it is usually named as duckmouth-shaped valve .We are continuoully doing our best to make this valve more practical and more perfect .The valve can be matched with straight pipement ,flange pipe ,cement pipe .At the same time ,they may be widely used on the coast,seasands,reservoirs,and so on in order to dispose the sewage or to dredge the floods.Indeed,it is enviromentally -friendly valve.

  technical conditions :

item	type	KSD341X-1	KSD341X-2	KSD341X-3
working pressure MPa （kgf/cm2）		1.0	1.6	2.5
burst pressure MPa （kgf/cm2）		2.0	3.0	3.6
vacuumKPa (mm/Hg)		53.3 (400)	86.7 (650)	95
applicable temperature`C		-15`C ～+90`C
applicable media		air ,water ,oill,acid,alkali,sea water ,hot water

 

Main connecting  dimension

 

 

nominal diameter DN		length  L(mm)	out  diameter of flange (mm)	diameter  of the centra of the bolt D1(mm)	flange  thickness  B(mm)	the quality of the bolt   n	bolt  hole diameter   (mm)	axijal  displacement		horizontal displacement  mm	deflesion angul a1+a2
mm	inch  in							extension mm	compression mm
40	1.5	140	145	110	16	4	18	6	10	9	7.5°
50	2	150	160	125	18	4	18	7	10	10	7.5°
65	2.5	170	180	145	18	4	18	7	13	11	7.5°
80	3	190	195	160	20	4	18	8	15	12	7.5°
100	4	200	215	180	20	8	18	10	19	13	7.5°
125	5	200	245	210	22	8	18	12	19	13	7.5°
150	6	210	280	240	22	8	23	12	20	13	7.5°
200	8	230	335	295	22	8	23	16	25	14	7.5°
250	10	250	390	350	24	12	23	16	25	22	7.5°
300	12	270	440	400	26	12	23	16	25	22	7.5°
350	14	290	500	460	26	16	23	16	25	22	7.5°
400	16	310	565	515	28	16	25	16	25	22	7.5°
500	20	350	670	620	32	20	25	16	25	22	7.5°
600	24	390	780	725	36	20	30	16	25	22	7.5°