Composite Materails Round Flap Swing Check Valve Size From DN300 to DN3000

Composite Materails Round Flap Valve By Swing Type Size From DN300 to DN3000

 

 

 

 

 

 

1.Caliber side: round DN300mm~2000mm square 300mm~3000mm

2.Working medium: with a ph of industrial, domestic sewage, seawater, river water, with a weak acid alkali industry, domestic sewage, seawater

3.Working temperature : ≤60°C, and according to use requirement , the maximum temperature resistance of flap valve can be designed to reach 100°C

4.Working pressure : normal pressure to 0.25Mpa

5.Seal type :lip-shape seal , hollow round pipe seal

6.Open angle of flap valve cover : ＞75°

7.Open when the water level inside flap valve cover is higher than outside water level by 50mm~250mm ( related to flap valve obliquity , weight and caliber size ) , and it can be designed according to the demand of the customer.

8.hardness : ≥40

9.Specific gravity: 1.6~1.9

10.Use life: more than thirty years

 

 

 

 

 

Notice: the nominal diameters DNand flange bolt hole distance D1,hole number, hole diameter etc.

In this table can be designed based on the demand of the customer.

Take * number specification for non-standard products.

 

Model	DN	D	D1	L	b	d	n-c
KQ-HDPE-Y-4-0.25-300	300	440	400	300	30	23	8-M16
KQ-HDPE-Y-4-0.25-400	400	560	515	350	30	23	8-M16
KQ-HDPE-Y-4-0.25-500	500	670	620	400	35	23	8-M16
KQ-HDPE-Y-4-0.25-600	600	780	725	450	35	23	10-M16
KQ-HDPE-Y-4-0.25-700	700	895	840	450	40	23	12-M16
KQ-HDPE-Y-4-0.25-800	800	1010	950	500	40	280	12-M16
KQ-HDPE-Y-4-0.25-900	900	1110	1050	500	45	28	14-M18
KQ-HDPE-Y-4-0.25-1000	1000	1220	1160	550	45	28	14-M18
KQ-HDPE-Y-4-0.25-1100	1100	1320	1260	550	50	28	16-M18
KQ-HDPE-Y-4-0.25-1200	1200	1450	1380	600	50	28	16-M18
KQ-HDPE-Y-4-0.25-1300	1300	1560	1485	600	55	28	18-M18
KQ-HDPE-Y-4-0.25-1400	1400	1675	1590	650	55	28	18-M18
KQ-HDPE-Y-4-0.25-1500	1500	1775	1690	700	60	28	20-M18
KQ-HDPE-Y-4-0.25-1600	1600	1915	1820	750	60	32	20-M22
KQ-HDPE-Y-4-0.25-1700	1700	2015	1870	800	65	32	22-M22
KQ-HDPE-Y-4-0.25-1800	1800	2115	2020	850	65	32	22-M22
KQ-HDPE-Y-4-0.25-1900	1900	2220	2135	900	70	32	22-M22
KQ-HDPE-Y-4-0.25-2000	2000	2325	2230	950	70	32	22-M22

 

 

 

 

 

 

 

DN(size)		D	D1	hole(n-d)
DN300	12"	440	400	12-23
DN400	16"	560	510	16-27
DN500	20"	670	620	20-27
DN600	24"	780	725	20-30
DN700	28"	895	840	24-30
DN800	32"	1010	950	24-33
DN900	36"	1110	1050	28-33
DN1000	40"	1220	1160	28-36
DN1100	44"	1320	1265	32-39
DN1200	48"	1450	1380	32-39
DN1300	52"	1560	1475	36-42
DN1400	56"	1675	1590	36-42
DN1500	60"	1775	1700	40-48
DN1600	64"	1915	1820	40-48
DN1700	68"	2015	1920	44-48
DN1800	72"	2115	2020	44-48
DN1900	78"	2200	2115	48-48
DN2000	80"	2325	2230	48-48

 

 

 

 

 

 

Application:

Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.

When the medium is back-going, valve disc will automaticaly closed to avoid accidents.

 

material:
NO	parts	qty	material
1	body	1	316
2	O-ring	2	EPDM
3	disc	1	316
4	O-ring	1	EPDM
5	eye bol	1	316
6	small cover	2	316
7	pin	1	316
8	retainer screw	2	316
9	big cover	2	316
10	bolt	2	316
11	spring	1	316

 

 

 

◆deminsion:

 

DN	PN10.PN16							PN25							PN40
	A	B	C	D	E	L	G	A	B	C	D	E	L	G	A	B	C	D	E	L	G
40	94	16	22	81.4	25	195	0	equal PN10							equal PN10
50	109	16	32	94	33.6	208	1
65	129	17	40	111	46	230	2
80	144	17	54	123	56.5	245	3
100	164	18	70	147	71.4	265	3	168	18	70	149	71.4	269	3	Equal PN25
125	195	18	92	171	87.3	297	5	194	18	92	171	87.3	296	5
150	220	20	112	200	106.6	321	5	224	20	112	202	106.6	325	5
200	275	22	154	256	148.2	376	5	284	22	154	265	148.2	385	5	291	22	154	268	148.2	392	5
250	331	26	192	302	185.2	436	6	342	26	192	307	185.2	447	6	353	26	192	312	185.2	458	6
300	380	32	227	352	216.3	484	10	401	32	227	360	216.3	499	10	418	32	227	368	216.3	516	10
350	446	38	266	408	254	548	12	458	38	266	412	254	560	12	475	38	266	422	254	577	12
400	498	44	310	460	294.4	603	14	515	44	310	463	294.4	620	14	547	44	310	484	294.4	652	14

 

 

 

Specification
1	Face to face according to DIN3202-K3.
2	Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect.
3	Working Pressure: PN10;PN16

 

Main Parts and Materials
Number	Part Name		Material
1	Body		GGG50
2	Disc		SS304
3	Stem		SS304
4	Spring		SS304
5	Washer		PTFE
6	Washer		PTFE
7	Gasket		NBR
8	Hex nut		A193A

 

 

Main Dimensions
DN	D	D1	D2	L	R	t
50	107	65	40	43	27	18.4
65	127	80	60	46	35	19.8
80	142	94	70	64	42	27.7
100	162	117	88	64	50	27.7
150	218	171	134	76	77	31.6
200	273	224	182	89	102.5	32.9
300	378	310	260	114	146	43.3
350	446	360	298	127	170	45.3
400	488	410	350	140	195	52.3
450	546	450	385	152	215	58.2
500	594	505	438	152	238	58.3
600	700	624.5	538	178	292	74.6
700	820	720	662	229	345	96
800	930	825	762	241	394	99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standards

Design and manufacture as BS1868, ANSI B16.34
Face to face dimensions as ANSI B16.10
End flange dimension as ANSI B16.5
Pressure-temperature ratings as ANSI B16.34
Pressure test as API 598
Applicable Medium: water ,gas,oil,and other causticity medium.

 

 

Test Pressure

Test Item		Shell Test		Seal Test		Back Seal Test		Air Seal Test
Medium		Water						Air
Unit		MPa	lbf/in2	MPa	lbf/in2	MPa	lbf/in2	MPa	lbf/in2
Pressure (Class)	150	3.1	450	2.2	315	2.2	315	0.5-0.7	60-100
	300	7.8	1125	5.6	815	5.6	815
	400	10.3	1500	7.6	1100	7.6	1100
	600	15.3	2225	11.2	1630	11.2	1630
	900	23.1	3350	16.8	2440	16.8	2440
	1500	38.4	5575	28.1	4080	28.1	4080