ZSH Shanghai Valve Manufzcturing Co.,LTD.

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NO	Part name	A41Y-160Material Science	A41Y-160PMaterial Science	A41Y-160RMaterial Science
1	flange	35/35CrMoA	2Cr13	1Cr18Ni9Ti
2	valve seat	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
3	valve body	35/40	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Valve	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	Guide sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Spring	50CrVA	50CrVACoated fluorine plastics	50CrVACoated fluorine plastics
7	The stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
8	Valve cover	ZG230-450	1Cr18Ni9Ti	1Cr18Ni9Ti
9	Adjusting screw	45	2Cr13	2Cr13
10	Valve cap	ZG200-400	1Cr18Ni9Ti	1Cr18Ni9Ti
Sealing surface of valve seat and valve		Surfacing Co based cemented carbide

1 smaller displacement, saving energy
2 planar structure of the valve and valve seat is easy to repair and re processing
3 setting pressure deviation is small, up to + 3%
4 selection of high quality spring steel, to ensure the life and stability of the spring

Model	nominal Path	do	d	M	D	K	Z-ød	b	d1	M1	D1	K1	Z1-ød1	b1	L	L1	≈H
A41Y-160 (Single flange)	15	8	20	M24×2	95	60	3-18	20	/	M33×2	36	/	/	/	50	80	85
	20	10	25	M27×2	95	60	3-18	20	/	M33×2	48	/	/	/	50	80	85
	25	12	28	M33×2	105	68	3-18	20	/	M33×2	48	/	/	/	50	80	85
A41Y-160	10	8	18	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	15	8	20	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	20	10	27	M33×2	105	68	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	25	12	28	M33×2	105	68	3-18	20	50	M64×3	165	115	6-26	32	130	135	285
	32	12.14.16	37	M42×2	115	80	4-18	22	50	M64×3	165	115	6-26	32	130	135	285
	40	20	47	M52×2	165	115	6-26	28	65	M80×3	200	145	6-29	40	165	165	350
	50	25	58	M64×3	165	115	6-26	32	80	M100×3	225	170	6-33	80	165	165	380
A41Y-320	10	8	18	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	15	8	27	M33×2	105	68	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	20	10	30	M36×2	110	75	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	25	12	35	M42×2	115	80	4-18	22	50	M64×3	165	115	6-26	32	130	135	285
	32	12.14.16	41	M48×2	135	95	4-22	25	50	M64×3	165	115	6-26	32	130	135	285
	40	20	58	M64×2	165	115	6-26	32	65	M80×3	200	145	6-29	40	165	115	350
	50	25	70	M80×2	200	145	6-29	40	80	M100×3	225	170	6-33	50	165	165	380

Design specification: GB/T 12243
Structure length: GB/T 12221
Flange connection: JB/T 79
Test and inspection: GB/T 12242
Product identification: GB/T 12220

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