Double Disc Check Valve



Position: HOME > PRODUCTS > Oil&Gas > Check Valve > Double Disc Check Valve

Double Disc Check Valve

1.Standard:API598,DIN3356,BS7350，EN12266-1
2.Size : DN15~DN600mm (1/2"-24")
3.Body material:Carbon Steel A216 WCB/A105 ,Stainless steel
4.Suitable Mediums:water , oil , gas,steam
5.Type：wafer ,swing

Tel: +86- 532- 55785171 / 55785172 / 55786571 / 55786572

E-mail: info@qdiflow.com

Description

Technical Specification
Design Standard	API594
Face to face	API594
Flanged ends	ASME B16.5
Test & inspection	API598

Note:the dimensions of connection ends can be desighed as per customers’requirements.

Specification

No.	Part	Material
1	Body	ASTM A216-WCB,ASTM A352-LCB ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
2	Disc	ASTM A216-WCB,ASTM A352-LCB ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
3	Spring	AISI9260,AISI6150 ASTM A182-F304,F316,F321,F304L,F316L
4	Plate	ASTM A216-WCB,ASTM A350-LF2 ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
5	Lock ring	AISI9260,AISI6150 ASTM A182-F304,F316,F321,F304L,F316L

Dimensions and Weights CLASS150-900

Pressure		CLASS 150											CLASS 300
Size	mm	15	20	25	32	40	50	65	80	100	125	150	15	20	25	32	40	50	65	80	100	125	150
Size	in	1/2	3/4	1	11/4	11/2	2	21/2	3	4	5	6	1/2	3/4	1	11/4	11/2	2	21/2	3	4	5	6
L(mm)		16	19	22	31.5	31.5	40	46	50	60	90	106	25	31.5	35.5	40	45	56	63	71	80	110	125
H(mm)		47	57	66	85	85	103	122	135	173	196	222	53	65	72	81	95	110	129	148	180	215	250
Weight(Kg)		0.2	0.3	0.45	0.8	0.8	1.2	2.3	3	7	12	15	0.23	0.36	0.52	0.75	1.1	1.95	2.9	5.5	9	15	20
Pressure		CLASS 600											CLASS 900
Size	mm	15	20	25	32	40	50	65	80	100	125	150	15	20	25	32	40	50	65	80	100	125	150
Size	in	1/2	3/4	1	11/4	11/2	2	21/2	3	4	5	6	1/2	3/4	1	11/4	11/2	2	21/2	3	4	5	6
L(mm)		25	31.5	35.5	40	45	56	63	71	80	110	125	25	31.5	35.5	40	45	56	63	71	80	110	125
H(mm)		53	65	72	81	95	110	129	148	192	240	265	63	69	78	88	98	142	164	167	205	247	288
Weight(Kg)		0.25	0.38	0.55	0.8	1.2	2	2	6	10	17	22	0.3	0.4	0.6	1	1.5	2.5	4	8	13	20	25