ZHEJIANG DEXI VALVE CO.,LTD.

Wafer Type Dual Plates Check Valve
NPS 1/2"~20"
ANSI CLASS 150~300
MATERIAL: WCB, CF8, CF8M, CF3, CF3M
DESIGN STD: ANSI B16.34
END CONNECTION STD: ASME B16.11, ASME B1.20.1, ASME B16.25
TEST STD: API 598
Standard Material Specifications

Part Name	MATERIAL
Body	A216 WCB	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Plate	A351 CF8	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Stem	A182 F304	A185 F304	A182 F316	A182 F304L	A182 F316L
Spring	A182 F304	A182 F304	A182 F316	A182 F304L	A182 F316L

Dimension & Weight (mm&Kg)

Class	SIZE	2"	21/2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"
150	D	105	124	137	175	197	222	279	340	410	451	515	550	607	718
	L	60	67	73	73	86	98	127	146	181	185	191	203	219	223
	d	60	73	89	114	141	168	219	273	324	360	412	440	484	572
	Weight	2.5	3.5	4.4	6.5	10	12	25	43	58	80	118	210	240	410
300	D	112	130	149	181	216	251	309	361	422	484	540
	L	60	67	73	73	86	98	127	146	181	223	232
	d	64	77	94	120	146	175	226	280	332	368	420
	Weight	3	4.2	5.3	7.8	12	13.2	30	51	88	128	169
600	D	110	129	148	192	265	319	399	456
	L	61	67	73	80	137	165	213	229
	d	64	77	94	120	146	175	226	280
	Weight	3.5	5	7	12	35	45	77	110
900	D	142	164	167	205	289	359
	L	70	83	95	102	159	207
	d	64	77	94	120	146	175
	Weight	6.5	9	14	24	43	56