NO.	零件名稱	A42Y-C/KA42Y-C材料	A42Y-P/KA42Y-P材料	A42Y-R材料	DA42Y-P材料
1	閥座	2Cr13/1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	ZG1Cr18Ni9Ti
2	閥體	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	LCB/ZG1Cr18Ni9Ti
3	調節圈	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
4	反沖盤	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
5	閥瓣	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
6	導向套	2Cr13/1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
7	閥蓋	ZG230-450	ZG230-450	ZG230-450	ZG1Cr18Ni9Ti
8	彈簧	50CrVA	50CrVA包覆氟塑料	50CrVA包覆氟塑料	50CrVA
9	閥桿	2Cr13	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
10	調整螺桿	45	2Cr13	2Cr13	2Cr13
11	閥帽	ZG200-400	ZG200-400	ZG200-400	ZG230-450
	密封面材料	堆焊Co基硬質合金

外形尺寸和連接尺寸

型號	公稱通徑	do	D	K	g	g1	b	f	f1	Z-ød	DN'	D1	K1	g3	g2	b1	f'	f1'	Z1-ød1	L	L1	≈H
A42Y-16C A42Y-16P A42Y-16R KA42Y-16C DA42Y-16C（P）	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	378
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	378
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	378
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	406
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	450
	65	40	185	145		120	20	3		4-18	80	200	160		135	20	3		8-18	160	140	520
	80	50	200	160		135	20	3		8-18	100	220	180		155	22	3		8-18	170	135	525
	100	65	220	180		155	22	3		8-18	125	250	210		185	22	3		8-18	195	175	690
	125	80	250	210		185	22	3		8-18	150	285	240		210	24	3		8-23	210	190	780
	150	100	285	240		210	24	3		8-23	175	310	270		240	26	3		8-23	255	230	838
	200	125	340	295		265	26	3		12-23	250	405	355		320	30	3		12-26	300	260	992
	250	150	405	355		320	30	3		12-26	300	460	410		375	30	4		12-26	350	320	1266
	300	220	460	410		375	30	4		12-26	400	580	525		485	36	4		16-30	370	350	1283
	350	250	520	470		435	34	4		16-26	500	715	650		608	44	4		20-34	500	450	1520
	400	280	580	525		485	36	4		16-30	500	715	650		608	44	4		20-34	500	450	1530
A42Y-25C A42Y-25P A42Y-25R KA42Y-25C DA42Y-25（P）	20	15	105	75		55	16	2		4-14	25	115	85		65	16	2		4-14	110	95	378
	25	16	115	85		65	16	2		4-14	32	140	100		78	18	2		4-18	110	95	378
	32	20	140	100		78	18	2		4-18	40	150	110		85	18	3		4-18	115	100	378
	40	25	150	110		85	18	3		4-18	50	165	125		100	20	3		4-18	120	110	406
	50	32	165	125		100	20	3		4-18	65	185	145		120	20	3		4-18	135	120	450
	65	40	185	145		120	22	3		8-18	80	200	160		135	20	3		8-18	160	140	520
	80	50	200	160		135	22	3		8-18	100	220	180		155	22	3		8-18	170	135	525
	100	65	230	190		160	24	3		8-23	125	250	210		185	22	3		8-18	195	175	690
	125	80	270	220		188	28	3		8-26	150	285	240		210	24	3		8-23	210	190	780
	150	100	300	250		218	30	3		8-26	175	310	270		240	26	3		8-23	255	230	838
	200	125	360	310		278	34	3		12-26	250	405	355		320	30	3		12-26	300	260	992
	250	150	425	370		332	36	3		12-30	300	460	410		375	30	4		12-26	350	320	1266
	300	220	485	430		390	40	4		16-30	400	580	525		485	36	4		16-30	370	350	1283