D371X-10 wafer butterfly valve

D371X-10 wafer butterfly valve Product introduction

D371X-10 wafer butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .D371X-10 wafer butterfly valve Standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

D371X-10 wafer butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

D371X-10 wafer butterfly valve Technical parameters

Description	Standard
Design and manufacture	EN593
Face to face	ISO5752 series14, EN558-1 series 14, DIN3202 F4
Flange and drilling	ISO7005-2, EN1092,
Pressure test	EN12266
Top flange of bare shaft valve	ISO5211
Top flange on worm gearbox for e-actuator	ISO5210

D371X-10 wafer butterfly valve Main part material

Name	Material
Body	ductile cast iron, WCB, stainless steel
Disc	ductile cast iron, WCB, stainless steel, Al-bronze
Stem	SS420, SS431
Disc seat ring	EPDM,NBR,VITON
Body seat ring	SS304
Retainer	SS304, SS316
Shaft bearing	Al-bronze, self-lubricating bearing
Bolt & nuts	8.8 grade galvanized, SS304
Coating	epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.

D371X-10 wafer butterfly valve Main dimension

DN	L	0.6MPa		1.0MPa		1.6MPa		H	H1
DN	L	D1	Z-d	D1	Z-d	D1	Z-d	H	H1
D71X-6 D71X-10 D71X-16 D71X-16C D371X-6 D371X-10 D371X-16 D31X-16C D671X-6 D671X-10 D671X-16 D671X-16C D971X-6 D971X-10 D971X-16 D971X-16C
50	43	110	4-14	120	4-23	120	4-23	160	80
65	46	130	4-14	136	4-26.5	136	4-26.5	175	88
80	46	150	4-18	160	4-18	160	4-18	180	96
100	52	170	4-18	185	4-24.5	185	4-24.5	200	115
125	56	200	4-18	215	4-23	210	4-23	213	128
150	56	225	4-18	238	4-25	238	4-25	225	140
200	60	280	4-18	295	4-25	295	4-25	260	175
250	68	335	4-18	357	4-29	357	4-29	290	202
300	78	395	4-23	407	4-29	407	4-29	330	242
350	78	445	4-23	467	4-30	467	4-30	360	266
400	102	495	4-23	515	4-26	525	4-26	390	298
450	114	550	4-23	565	4-26	585	4-26	410	315
500	127	600	4-23	620	4-26	650	4-26	430	348
600	154	705	4-25	725	4-30	770	4-30	490	400
700	165	810	4-25	840	4-30	840	4-30	550	520
800	190	920	4-30	950	4-34	950	4-34	610	591
900	203	1020	4-27	1050	4-30	1050	4-30	680	660
1000	216	1120	4-30	1160	4-30	1170	4-30	730	670
1200	254	1340	4-45	1380	4-45	1390	4-45	835	780
1400	270	1560	4-45	1590	4-45	1590	4-45	960	895
1600	318	1760	4-52	1820	4-52	1820	4-52	1200	1020

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