50T Series top entry ball valve

The company has obtained certifications such as TS equipment A1 level, CE, API 607, TR-CU, SIL3, etc.

Classification：

50 series control ball valve

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Product Description

Outline
The 50T Series top entry ball valve adopts the unique top entry structure. The ball is installed from the top of the body. When the valve has malfunction on the pipeline and needs repairing, there is no need to disassemble the valve from the pipeline. Just remove its middle flange bolts and nuts, take off the bonnet and stem assembly from the body, and take out the ball and seat assembly. The ball and seat can be repaired on the line.
The 50T Series valve is mainly used on process control pipelines in petroleum or chemical industry. Its use and maintenance are convenient. The angle between the seat and body is 10°. The seat can realize self–locking. On the pipeline, when the seat receives relatively high pressure, the seat will not make any movement. Therefore, the valve of this structure has the features of gate valves and advantages of ball valves.
Actuator and auxiliary control device

Pneumatic
Electric
Pneumatic–hydraulic

Applications

Chemical industry and air separation equipment
Coal liquefaction or coal gasification
Hydrocarbon
Power plant
Water supply and heat supply systems

Manufacturing range

Size range: DN2" – 48"
Pressure rating: 150LB – 600LB，PN1.0 – 6.4Mpa
Connection type: flange type

Stem sealing

The graphite packing formed through mold pressure serves as the dynamic load seal to ensure reliable sealing and long service life.
The high strength stem can effectively transfer torque and ensure reliable on–off of the valve.
The stem and ball fit tightly with each other, reducing hysteresis and dead band with excellent control performance.

Seat sealing

The seal conforms to the requirements in GB/T13927 Class D or ANSI/FCI70–2 CLASS VI.
Reliable double–way sealing
Excellent sealing performance in low pressure service conditions

50T series part name and materials

Number	Name	Material
Number	Name	Stainless steel	Carbon steel	Cr-Mo steel
1	Body	ASTM A351 CF8/CF8M	ASTM A216NCB	ASTM A217 WC6WC9
2	Stud	ASTM A193 Gr.B8M	ASTM A193 Gr.B7	ASTM A193 Gr.B7
3	Bonnet seal ring	304+Flexible graphite
4	Lower sleeve		A36+PTFE
5	Seat		PTFE
6	Seat support ring		ASTM A182 F304/F316
7	Adjusting ring		ASTM A182 F304/F316
8	Spring retainer ring		ASTM A182 F304/F316
9	Spring		Inconel X-750
10	Spring seat		ASTM A182 F304/F316
11	Fire safe ring		柔性石墨Flexible graphite
12	Ball		ASTM A182 F304/F316
13	Upper sleeve		A36+PTFE
14	Bonnet	ASTM A182 F304/F316	ASTM A105	ASTM A182GR.F11/F22
15	Seal ring 1		FKM
16	Seal ring 2		FKM
17	Seal ring 3		Flexible graphite
18	Packing box	ASTM A182 F304/F316	ASTM A105	ASTM A182GR.F11/F22
19	Nut	ASTM A193 Gr.8M	ASTM A193 Gr.2H	ASTM A193 Gr.2H
20	Packing		Flexible graphite
21	Connection plate	ASTM A182 F304/F316	ASTM A105	ASTM A182GR.F11/F22
22	Inner hexagon screw	ASTM A193 Gr.B8M	ASTM A193 Gr.B7	ASTM A193 Gr.B7
23	Stem		ASTM A56417-4PH

Size of 50T series

Top Entry-Overall Dimensions

Size	TYPE	A			B	B1	C	D	E	F	G	H	I
Size	TYPE	RF	RTJ	WE	B	B1	C	D	E	F	G	H	I
2	T	292	295	292	51	51	152	212	85	190	450	--	--
3	T	356	359	356	77	77	191	228	112	230	600	--	--
4	T	432	435	432	102	102	229	272	145	263	600	--	--
6	T	559	562	559	152	152	279	281	220	325	333	297	350
8	T	660	664	660	203	203	343	320	260	405	384	360	500
10	T	787	791	787	254	254	406	360	311	490	424	360	500
12	T	838	841	838	305	305	483	403	366	570	467	340	700
14	T	869	892	869	337	337	535	453	428	660	517	340	700
16	T	991	994	991	387	387	595	459	450	700	519	545	700
18	T	1092	1095	1092	438	438	635	502	473	755	577	575	700
20	T	1194	1200	1194	489	496	700	551	580	870	626	575	700
22	T	11295	1305	1295	540	540	750	578	590	955	653	575	700
24	T	1397	1406	1397	591	591	815	606	600	1050	696	579	700
26	T	1448	1460	1448	635	635	870	675	635	1075	765	570	700
28	T	1549	1562	1549	686	686	925	735	700	1165	625	579	700
30	T	1651	1664	1651	736	736	985	795	775	1250	865	579	700
32	T	1778	1794	1778	832	781	1060	840	825	1325	1012	605	620
34	T	1930	1946	1930	876	852	1110	875	880	1410	1047	605	620
36	T	2065	2096	2065	781	876	1170	931	930	1475	1103	606	620
40	T	2537	2537	2537	1022	978	1290	1015	1025	1640	1170	950	1400
42	T	2437	2437	2437	978	1022	1345	1065	1060	1710	1220-	950	1400
48	T	2540	2540	2540	1168	1168	1510	1180	1225	1940	1335	950	1400

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Blank size

Blank size 1

Spectral analysis

Spectral analysis 1