D71X manual clamp butterfly valve

Product Name:	Manual clamping butterfly valve	Product Model:	D71X
Nominal diameter:	DN50 to DN1000	Seat seal:	Butyl green rubber, tef-lon
Nominal pressure:	1.0Mpa to 1.6MPa	Connection method:	Pair clip, flange
Applicable temperature:	-20ºC to +150ºC	Drive mode:	Manual, worm gear, electric, pneumatic
Body material:	Cast iron, ductile iron, cast steel, stainless steel	Manufacturing standard:	GB, German DIN, American API, ANSI
Applicable media:	Water, oil, gas, powder, liquid	Manufacturer:	Xuan Cheng Valve Co., LTD

Product Description

D71X manual clamping butterfly valve The product is composed of rubber sealed butterfly valve and carbon steel or stainless steel valve plate and valve stem. Suitable for temperature ≤80 ~ 120ºC such as food, medicine, chemical industry, petroleum, electric power, textile, paper and other water supply and drainage, gas pipeline for regulating flow and intercepting media. Its main features are :
1, novel design, reasonable, unique structure, light weight, fast opening and closing.
2. Small operating moment, convenient operation, labor-saving dexterity.
3, can be installed in any position, easy maintenance.
4, the seal can be replaced, the sealing performance is reliable to achieve bi-directional sealing zero leakage.
5, sealing material aging resistance, weak corrosion resistance, long service life and other characteristics.

Manufacturing specification

Design standard :GB/ T2238-1989
Flange connection size :GB/T9113.1-2000; GB/T9115.1-2000; JB78
Structure length :GB/T12221-1989
Pressure test :GB/T13927-1992; JB/T9092-1999

Technical parameters

Nominal diameter	DN (mm)	50 to 800
Nominal pressure	PN (MPa)	0.6	1.0	1.6
Test pressure	Strength test	0.9	1.5	2.4
	Seal test	0.66	1.1	1.76
	Gas seal test	0.6	0.6	0.6
Applicable media	Air, water, sewage, steam, gas, oil, etc.
Driving form	Manual, worm and worm gear drive, gas drive, electric drive.
Part name	Materials
Body	Ductile iron, cast steel, alloy steel, stainless steel
Butterfly plate	Cast steel, stainless steel, and specialty materials
Sealing Rings	Various rubber, tef-lon
Valve stem	2Cr13, stainless steel
filler	O-rings, flexible graphite O

Sealing material selection and applicable temperature

Material variety	Neoprene	Butadiene rubber	Ethylene-propylene rubber	Tef-lon	Silicone rubber	Fluororubber	Natural rubber	Nylon
English abbreviation	CR	NBR	EPDM	PTFE	SI	VITON	NR	PA
Model number	X or J	XA or JA	XB or JB	F or XC, JC	XD or JD	XE or JE	X1	N
Resistance to maximum temperature	82 ºC	93 ºC	150 ºC	232 ºC	250 ºC	204 ºC	85 ºC	93 ºC
Minimum temperature resistance	To 40 ºC	To 40 ºC	To 40 ºC	- 268 ºC	- 70 ºC	- 23 ºC	- 20 ºC	- 73 ºC
Applicable operating temperature	0 ~ + 80 ºC	- 20 ~ + 82 ºC	- 40 ~ + 125 ºC	- 30 ~ + 150 ºC	- 70 ~ + 150 ºC	- 23 ~ + 150 ºC	- 20 ~ + 85 ºC	- 30 ~ + 93 ºC

Main overall dimensions

Nominal diameter (DN)	L	D1	D	Z - phi d	H	H0	A	B
50	43	125	165	4 to 18	63	315	180	65
65	46	145	185	4 to 18	70	330	180	65
80	46	160	200	8 to 18	83	390	245	72
100	52	180	220	8 to 18	105	431	245	72
125	56	210	250	8 to 18	115	455	245	72
150	56	240	285	8-22	137	626	355	93
200	60	295	340	8-22	164	720	350	93
250	68	350	395	12 and 22	206	800	550	350
300	78	400	445	12 and 22	230	860	600	350
350	78	460	505	16-22	248	883	600	350
400	102	515	565	16 and 26	289	972	600	350
450	114	565	615	20 to 26	320	1043	750	380
500	127	620	670	20 to 26	343	1098	750	380
600	154	725	780	20-30	413	1236	750	380
seven hundred	165	840	895	24 to 30	478	1431	750	380
800	190	950	1015	24 to 33	525	1488	750	380

Declaration: D71X manual clamping butterfly valve specifications, structure and size provided by Xuan Cheng Valve Co., LTD., how to choose the applicable D71X manual clamping butterfly valve products, so that it is safe, reliable and economically applicable in the process control, you can call our sales department and technical department, we will answer you in the shortest time!

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