D671X-10 Pneumatic wafer butterfly valve

D671X-10 Pneumatic wafer butterfly valve Product introduction

D671X-10 Pneumatic 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 .D671X-10 Pneumatic wafer butterfly valve Standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

D671X-10 Pneumatic 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;

D671X-10 Pneumatic 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

D671X-10 Pneumatic 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.

D671X-10 Pneumatic wafer butterfly valve Main dimension

DN	Outline dimension					Connection dimension
	Outline dimension					0.6MPa		1.0MPa		1.6MPa
	L	H	HO	A	B	DO	n-d	DO	n-d	DO	n-d
50	43	63	315	180	65	110	4-14	125	4-18	125	4-18
65	46	70	330	180	65	130	4-14	145	4-18	145	4-18
80	46	83	390	245	72	150	4-18	160	8-18	160	8-18
100	52	105	431	240	72	170	4-18	180	8-18	180	8-18
125	56	115	455	240	72	200	8-18	210	8-18	210	8-18
150	56	137	626	350	93	225	8-18	240	8-22	240	8-22
200	60	164	720	350	93	280	8-18	295	8-22	295	12-22
250	68	206	800	550	350	335	12-18	350	12-22	355	12-26
300	78	230	860	600	350	395	12-22	400	12-22	410	12-26
350	78	248	883	600	350	445	12-22	460	16-22	470	16-26
400	102	289	972	600	350	495	16-22	515	16-26	525	16-30
450	114	320	1043	750	380	550	16-22	565	20-26	585	20-30
500	127	343	1098	750	380	600	20-22	620	20-26	650	20-33
600	154	413	1236	750	380	705	20-26	725	20-30	770	20-36
700	165	478	1431	750	380	810	24-26	840	24-30	840	24-36
800	190	525	1488	750	380	920	24-30	950	24-33	950	24-39
900	203	620	1615	1250	380	1020	24-30	1050	28-33	1050	28-39
1000	216	725	1765	1500	580	1120	28-30	1160	28-36	1170	28-42
1200	254	780	1976	1500	580	1340	32-33	1380	32-39	1390	32-48

D671X-10 Pneumatic wafer butterfly valve Product show

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