Ductile iron body wafer type butterfly check valve

Specifications Ductile iron body wafer type butterfly Check Valve

1ISO 9001&14001

2delivery timely

3size from DN40-DN400

4wafer type

Ductile iron body wafer type butterfly Check valve   Specifications   Wafer type check Valve
1)Size:DN40~DN600
2)Materials:GG25,GGG40
3)Disc:304SS,316SS,Steel,Bronze
4)ISO9001&14001   Product name:Wafer type check valve/double Disc Check Valve Product performance&structure 1,Working  pressure:1.6Mpa 2,Inspection standard:API598 DIN3230 3,Suitable flange standard:DIN2501 PN10/16,BS4504 PN10/16,BS10 TABLED/E,JIS2220 10K/16K,ANSI125/150 4,Face to face :ANSI125/150,DIN3203 K3-1999,ISO5752-1982 5,Working temperature:EPDM -10°c~+120°c, NBR -10°c~+80°c, VITON -23°c~+150°c  This valve is installed in pipeline system as a medium against-flow protecting equipment         Main parts and materials

Parts name	Material
Valve body	Grey iron,Ductile iron
Disc	Ductile iron
Spring	Stainless steel
Seal ring	NBR
Shaft	Carbon steel

  Function and specification 

Type	Nominal pressure(Mpa)	Testing                     pressure (Mpa)		Suitable temperature(°C)	Suitable medium
		Strength(water)	Enclose(water)
DH77X-10	1	1.5	1.1	≤80	Water
DH77X-16	1.6	2.4	1.8

       Outline and connecting measurement    

Type	Nominal diamter(mm)	Measurement (mm)				Reference weight(kg)
		L	R	D	D0
DH77X-10/16	40	43	23.5	92	55	0.9
	50	43	28.5	107	65.5	1.6
	65	46	34.5	127	81	2.5
	80	64	44	142	95	3.9
	100	64	52.8	162	121	4.75
	125	70	66.5	192	148.3	7
	150	76	74.5	217	171	9.75
	200	89	87.5	272	225	15.75
	250	114	127	328	265	27
	300	114	147	378	310	38
	350	127	173	438	360	70
	400	140	198	489	410	83

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