One, Pneumatic Fixed Ball Valve Overview

Q647 pneumatic fixed ball valve in the oil, gas, coal and ore mining, refining and pipeline transportation system; in the chemical products, pharmaceutical and food production; in hydropower, thermal power and nuclear power production system; in urban and industrial enterprises In the irrigation and drainage system; in the metallurgical production system to be widely used, is a production and construction, national defense construction and people's lives are closely related to the important mechanical products. Ball valves are sealed in various types of piping systems for truncating or turning on the flow of media, allowing the media to be delivered to the specified points according to a predetermined procedure.

Second, Pneumatic Fixed Ball Valve Main Parts Materials

Body	Stem	Ball Valve	Sealing Surface	Gasket	Filler	Operating Temperature	Applicable Media
WCB	1Cr13	1Cr13	1Cr13  Division Tai Li alloy  body Material	Flexible Graphite  Stainless Steel Plus Flexible Graphite  08 Soft Steel  F304 F316	Flexible Graphite  Concatenated Graphite	-29-425 ° C	Water, Steam, Oil
WC6	15CrMo	15CrMo				-29-425 ° C
WC9	25Cr2MoV	25Cr2MoV
LCB	304	304				-46-354 ° C
CF8	304	304				-196-600 ° C	Part of the acid, Alkali
CF3	304L	304L
CF8M	316	316
	316L	316L

Third, Pneumatic Fixed Ball Valve Main Dimensions
     

Nominal Diameter  DN (mm)	Size (mm)												Actuator Type
	1.6MPa				2.5MPa				4.0MPa
	L	D	D1	z-φd	L	D	D1	z-φd	L	D	D1	z-φd
50	203	160	125	4-18	216	160	125	4-18	216	160	125	4-18	Optional  the DA / the SR,  QGSY,  SY-CH, of GTD / the GTE  AW / the AWS,  SY-YD,  series actuator  (optional above  for reference having  thereof selection with root  according to the actual requirement)
65	222	180	146	4-18	241	180	145	8-18	241	180	145	8-18
80	241	195	160	8-18	283	195	160	8-18	283	195	160	8-18
100	305	215	180	8-18	305	230	190	8-23	305	230	190	8-23
125	356	245	210	8-18	381	270	220	8-25	381	270	220	8-25
150	394	280	240	8-23	403	300	250	8-25	403	300	250	8-25
200	457	335	295	12-23	502	360	310	12-25	502	375	320	12-30
250	533	405	355	12-25	586	425	370	12-30
300	610	460	410	12-25	648	485	430	16-30
350	686	520	470	16-25	762	550	490	16-34
400	762	580	525	16-30	838	610	550	16-34
450	864	640	585	20-30	914	660	600	20-34
500	914	705	650	20-34	991	730	660	20-41