Lined Butterfly Valve

NegotiableUpdate on July 04

Model

Nature of the Manufacturer: Other

Product Category: Butterfly valve

Place of Origin: City, Province

Online Consult Contact Information

Overview

Lined Butterfly Valve

Product Details

Lined butterfly valve with the valve stem together with the rotation of the butterfly valve plate for opening and closing parts, to achieve the valve open, close and adjust. Butterfly valve in the pipeline in addition to cut off and closure with the outside, in recent years has been the main indicator of the evaluation of the performance of the seal, favored by the market. In addition, the butterfly still genre and small weight, product has the advantages of simple structure, compared with the same parameters valve, the average weight of 30~50%, the disc can be rotated 90 degrees to achieve the opening and closing process, because the media is approximately equal to the force, shaft on both sides of the disc by the torque on the contrary, because some smaller opening and closing torque.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.

valve body	Cast iron, nodular cast iron, carbon steel, stainless steel
Disc	Cast iron, ductile iron, carbon steel, stainless steel, carbon steel fully covered by rubber or fluorine plastic
The stem	Carbon steel, nickel, phosphorus, stainless steel
Valve seat sealing ring	NR of natural rubber, chloroprene rubber, nitrile rubber, CR NBR three yuan EPDM ethylene propylene rubber and fluorine rubber FKM
Pneumatic device	Assembly part

Sealing ring material code	Applicable temperature	Applicable medium
NR	≤85℃	Water, air, acid and alkali
CR	≤85℃	Water, gas, acid and alkali
NBR	≤100℃	Water and oil products
CPDM	≤120℃	Water, steam, general acid-base class
FKM	≤150℃	Water, steam, strong acid and alkali

Nominal diameterDN	L mm	D mm	D1 mm	n-d（mm）		H1 mm	H2 mm	quality
				PN1.6	PN1.6
50	108	165	125	4-18	4-18	91	120	8
65	112	185	145	4-18	4-18	104	140	11.5
80	114	200	160	8-18	8-18	107	150	12.5
100	127	220	180	8-18	8-18	135	165	23
125	140	250	210	8-18	8-18	129	190	40.5
150	140	285	240	8-22	8-22	131	205	46.5
200	152	340	295	8-22	12-22	177	2550	61
250	165	395	350	12-22	12-26	206	270	73.5
300	178	445	400	12-22	12-26	220	320	103
350	190	505	460	16-22	16-26	264	358	120
400	216	565	515	16-26	16-30	298	400	217
450	222	615	565	16-26	-	327	420	242
500	229	671	620	20-26	-	352	480	279
600	267	780	725	20-30	-	446	560	396
700	292	895	840	24-30	-	486	610	596