GTL-Q347F Trunnion Mounted Ball Valve

GTL-Q347F ball valve is composed of high-precision pneumatic actuator and precision cast ball valve. It has the advantages of compact structure, small volume, reliable operation, low flow resistance coefficient, good sealing, easy maintenance, convenient installation and strong adaptability. It is widely used in petroleum, chemical industry, teaching equipment, light industry, high pressure equipment, pharmaceutical, papermaking and other industrial automatic control systems, as remote centralized control or local control.

DETAILS

Materials:

Body	Stem	Ball	Sealing surface	Gaskets	Packing	Working temperature	Suitable medium
WCB	1Cr13	1Cr13	1Cr13 Starley alloy body material	Graphite, Stainless steel with flexible graphite ,08 Soft steel F304 F316	Flexible graphite, Braided packing	-29-425℃	Water, steam, oil
WC6	15CrMo	15CrMo				-29-425℃
WC9	25Cr2MoV	25Cr2MoV				-29-425℃
LCB	304	304				-46-354℃
CF8	304	304				-196-600℃	Some acids and bases
CF3	304L	304L
CF8M	316	316
CF3M	316L	316L

Specification

Nominal diameter DN(mm)	15	20	25	32	40	50	65	80	100	125	150	200
Rated flow coefficient KV	21	38	72	112	170	273	384	512	940	1452	2222	3589
Nominal pressure (MPa)	PN1.6、2.5、4.0、6.4 MPa；ANSI 150、300LB
Allowable pressure differential (MPa)	≤nominal pressure
Body form	Two stage cast ball valve
Type of connection	Flanged, welded, threaded
Valve core	"O" type ball spool
Seal packing	V - type PTFE packing, flexible graphite packing, etc
Flow characteristic	Approximate fast open type
Actuation range	0～90°
Leak amount Q	According to GB/ T4213-92, less than the rated KV0.01%
Adjustable range	250：1								350：1
Configuring the Actuator	Available with GT, SR, ST, AT, AW and other series of pneumatic actuators
Control mode	Switch type (switch two control), control type (4 ~ 20mA control)

Actuator parameter

Actuator type	GT, AT, AR, AW series single and double acting pneumatic actuators
Air supply pressure	0.4～0.7MPa
Air connection	G1/4"、G1/8"、G3/8"、G1/2"
Temperature	-30～+70℃
Role form	Single acting actuator: gas close type (B)-- valve position open when losing air (FO); Air open type (K)-- valve position close when air is lost (FC) Double acting actuator: gas close type (B)-- valve position is maintained when gas is lost (FL); Air open type (K)-- Valve position is maintained when air is lost (FL)
Attachment	Positioner, solenoid valve, air filter, pressure reducer, position retaining valve, travel switch, valve position transmitter, handwheel mechanism, etc

Pneumatic actuator main component materials

Name of parts	Clinder block	Ed cover	Pston	Shaft	O Ring	Indicator shaft	Bolts
QW Series AT Series	Aluminium alloy profiles (hard anodized)	Die cast aluminum alloy (epoxy spray)	Die cast aluminum	Steel (Nickel-phosphorous alloy)	NBR	ABC	SUS304
AW Series	Cast steel (hard anodized)		Die cast aluminum	Steel (Nickel-phosphorous alloy)	NBR	ABC	SUS304

Dimensions (mm)

DN		25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
d1		25	32	40	50	65	80	100	125	150	200	250	300	337	387	438	489	591	686
L		165	180	190	216	241	283	305	356	394	457	533	610	686	762	864	914	1067	1245
H		50	55	80	102	144	127	152	184	219	376	360	395	430	470	550	580	700	800
Manual	H1	75	85	95	707	125	152	178	300	330	398	495	580	625	670	698	840	1050	1100
	E	-	-	-	-	-	-	-	-	-	116	116	171	171	257	257	257	150	83
	F	-	-	-	-	-	-	-	-	-	350	350	400	420	400	420	400	410	650
	W	160	160	230	230	400	400	650	1050	1050	600	600	800	800	800	800	800	800	800
Electric	H2	-	-	-	-	-	-	-	-	554	600	652	760	770	830	-	940	940	1115
Electric	L1	-	-	-	-	-	-	-	-	235	235	235	259	400	400	-	410	410	410
Pneumatic	H3	215	240	264	274	379	389	479	552	666	736	926	1059	1127	1393	1468	1538	1538	1450
Pneumatic	L2	200	270	270	270	405	405	576	576	776	776	776	1060	1060	1360	1360	1360	1360	2840