1. Main parts and materials & Standard & Testing

Parts Name	Material
Body、Bonnet	Ductile iron
Disc	Ductile iron with EPDM/NBR
Stem	Stainless Steel

*Design and Manufacture Standard: DIN3352 F4/F5, Face to Face standard: DIN3202/ISO5752, Flange End standard: DIN2501/GB-17241, Inspection standard: DIN3230/JB-T9092.
*Nominal pressure: 1.0Mpa, 1.6Mpa; Shell test: 1.5Mpa, 2.4Mpa; Seal test: 1.1Mpa, 1.76Mpa.

2. Drawing & Dimensions

DN		40	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	F4	140	150	170	180	190	200	210	230	250	270	290	310	330	350	390
	F5	240	250	270	280	300	325	350	400	450	500	550	600	650	700	800
D	1.0MPa	150	165	180	200	220	250	285	340	405	460	520	580	615	670	780
	1.6MPa													640	715	840
D1	1.0MPa	110	125	145	160	180	210	240	295	350	400	460	515	565	620	725
	1.6MPa									355	410	470	525	585	650	770
H		184	195	222	251	282	340	379	461	559	639	762	836	957	1036	1188
n-d	1.0MPa	4-19	4-19	4-19	8-19	8-19	8-19	8-23	8-23	12-23	12-23	16-23	16-28	20-28	20-28	20-31
	1.6MPa								12-23	12-28	12-28	16-28	16-31	20-31	20-34	20-37

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