Top-Entry Eccentric Hemispherical Valve

SG-063-2 valve product — Product photograph

CONSTRUCTION

Materials / Main Components

No.	Part Name	Material
1	Body	WCB / ZG1Cr18Ni9Ti / ZG0Cr18Ni12Mo2Ti / ZG15Cr1Mo1V
2	Rear bonnet	Q235A / 1Cr18Ni9Ti / 0Cr18Ni12Mo2Ti / 25Cr2Mo1V
3	Shaft sleeve	SF-1 / FB090 / FB316 / FB090
4	Lower stem	2Cr13 / 1Cr18Ni9Ti / 0Cr18Ni12Mo2Ti / 1Cr18Ni9Ti
5	Ball body	WCB / ZG1Cr18Ni9Ti / ZG0Cr18Ni12Mo2Ti / ZG15Cr1Mo1V
6	Platen	Q235A / 1Cr18Ni9Ti / 0Cr18Ni12Mo2Ti / 25Cr2Mo1V
7	Valve seat	Q235A+PTFE / 1Cr18Ni9Ti/PTFE / 0Cr18Ni12Mo2Ti/PTFE / 25Cr2Mo1V/PTFE
8	Ball	1Cr18Ni9Ti with special treatment / 1Cr18Ni9Ti with special treatment / 0Cr18Ni12Mo2Ti with special treatment / 1Cr18Ni9Ti with special treatment
9	Shaft sleeve	SF-1 / FB090 / FB316 / FB090
10	Upper stem	2Cr13 / 1Cr18Ni9Ti / 0Cr18Ni12Mo2Ti / 1Cr18Ni9Ti
11	Packing disc	WCB / ZG1Cr18Ni9Ti / ZG0Cr18Ni12Mo2Ti / ZG15Cr1Mo1V
12	Bonnet	WCB / ZG1Cr18Ni9Ti / ZG0Cr18Ni12Mo2Ti / ZG15Cr1Mo1V
13	Bolt	35 / 0Cr18Ni9 / 0Cr18Ni9 / 15Cr1Mo1V
13	Nut	45 / 0Cr18Ni9 / 0Cr18Ni9 / 20CrMo
14	Packing	Flexible graphite / Flexible graphite / Flexible graphite / Flexible graphite
15	Bonnet	WCB / ZG1Cr18Ni9Ti / ZG0Cr18Ni12Mo2Ti / ZG15Cr1Mo1V
16	Support	WCB / WCB / WCB / WCB
17	Electric actuator	KTQ

RATING & STANDARDS

Main Technical Parameters

Nominal pressure: PN10/PN16/PN25/PN40/PN64
Flange connection standard: GB/T17241.6; GB/T9113-2010
Test standard: GB/T13927-2008
Applicable media: Water, oil, gas, etc.
Leakage rate: <0.1 × DN mm³/s (GB/T13927-2005)
Applicable temperature: Soft seal: -40°C to 350°C; hard seal: -50°C to 600°C
Drive type: Worm gear, electric, pneumatic, hydraulic
Ordering requirements: Specify operating temperature and media.

SECTIONAL ILLUSTRATIONS

Sectional Illustrations

SG-063-2 sectional illustration — Drawings shown are for reference. Project-specific technical drawings will be provided with our formal quotation.

OPERATING LIMITS

Pressure Conditions

Listed operating and test pressures depend on the selected configuration. Confirm the applicable values and service conditions against the approved product submittal before selection.

Pressure family	Pressure / class designation	Shell test pressure (MPa)	Air tightness test pressure (MPa)	High-pressure sealing test pressure (MPa)
PN	1.0	1.5	0.6	1.1
PN	1.6	2.4	0.6	1.76
PN	2.5	3.8	0.6	2.75
PN	4.0	6.0	0.6	4.4
PN	6.4	9.6	0.6	7.1
Class	150Lb	3.0	0.6	2.2
Class	300Lb	7.5	0.6	5.5
Class	600Lb	15.0	0.6	11.0
Class	900Lb	22.5	0.6	16.5

DIMENSIONAL DATA

Dimensions

Scroll horizontally to view all dimensions.

1.0 MPa — DYQ340F/DYQ340H/DYQ340Y/DYQ640F/DYQ640H/DYQ640Y/DYQ940F/DYQ940H/DYQ940Y-10(C, L, P, R)
DN	L	D	K	d	b	f	z-d0	Hw	Hd
50	180	160	125	99	18	2	4-Φ18	295	350
80	200	200	160	132	20	2	8-Φ18	310	365
100	229	220	180	156	22	2	8-Φ18	330	380
125	254	250	210	184	22	2	8-Φ18	345	405
150	267	285	240	211	24	2	8-Φ22	370	440
200	292	340	295	266	24	2	8-Φ22	405	470
250	330	395	350	319	26	2	12-Φ22	480	540
300	390	445	400	370	26	2	12-Φ22	520	580
350	430	505	460	429	26	2	16-Φ22	570	630
400	530	565	515	480	26	2	16-Φ26	630	710
450	580	615	565	530	28	2	20-Φ26	690	770
500	660	670	620	582	28	2	20-Φ26	740	820
600	840	780	725	682	34	2	20-Φ30	840	940
700	900	895	840	794	34	5	24-Φ30	960	1040
800	1000	1015	950	901	36	5	24-Φ33	1080	1180
900	1100	1115	1050	1001	38	5	28-Φ33	1190	1280
1000	1200	1230	1160	1112	38	5	28-Φ36	1310	1420
1100	1250	1340	1270	1222	42	5	28-Φ36	1390	1480
1200	1300	1455	1380	1328	44	5	32-Φ39	1420	1530
1400	1500	1675	1590	1530	48	5	36-Φ42	1540	1650
1600	1800	1915	1820	1750	52	5	40-Φ48	1660	1750
1800	2000	2115	2020	1950	56	5	44-Φ48	1790	1860
2000	2200	2325	2230	2150	60	5	48-Φ48	1920	1990

1.6 MPa — DYQ340F/DYQ340H/DYQ340Y/DYQ640F/DYQ640H/DYQ640Y/DYQ940F/DYQ940H/DYQ940Y-16/25(C, L, P, R)
DN	L	D	K	d	b	f	z-d0	Hw	Hd
50	180	160	125	99	18	2	-	295	350
80	200	200	160	132	20	2	-	310	365
100	229	220	180	156	22	2	-	330	380
125	254	250	210	184	22	2	-	345	405
150	267	285	240	211	24	2	-	370	440
200	292	340	295	266	24	2	-	405	470
250	330	405	350	319	26	2	-	480	540
300	390	460	400	370	28	2	-	520	580
350	430	520	460	429	30	2	-	570	630
400	530	580	515	480	32	2	-	630	710
450	580	640	565	530	40	2	-	690	770
500	660	715	620	582	44	2	-	740	820
600	840	840	725	682	54	2	-	840	940
700	900	910	840	794	50	5	-	960	1040
800	1000	1025	950	901	42	5	-	1080	1180
900	1100	1125	1050	1001	44	5	-	1190	1280
1000	1200	1255	1160	1112	46	5	-	1310	1420
1100	1250	1370	1280	1222	48	5	-	1390	1480
1200	1300	1485	1380	1328	52	5	-	1420	1530
1400	1500	1685	1590	1530	58	5	-	1540	1650
1600	1800	1930	1820	1750	64	5	-	1660	1750
1800	2000	2130	2020	1950	68	5	-	1790	1860
2000	2200	2345	2230	2150	70	5	-	1920	1990

Flange thickness and raised-face details for this pressure class require confirmation against the approved drawing.

2.5 MPa — DYQ340F/DYQ340H/DYQ340Y/DYQ640F/DYQ640H/DYQ640Y/DYQ940F/DYQ940H/DYQ940Y-16/25(C, L, P, R)
DN	L	D	K	d	z-d0	Hw	Hd
50	180	160	125	99	4-Φ18	295	350
80	200	200	160	132	8-Φ18	310	365
100	229	235	190	156	8-Φ22	330	380
125	254	270	220	184	8-Φ26	345	405
150	267	300	250	211	8-Φ26	370	440
200	292	360	310	274	12-Φ26	405	470
250	330	425	370	330	12-Φ30	480	540
300	390	485	430	389	16Φ30	520	580
350	430	555	490	448	16-Φ33	570	630
400	530	620	550	503	16-Φ36	630	710
450	580	670	600	548	20-Φ36	690	770
500	660	730	660	609	20-Φ36	740	820
600	840	845	770	720	20-Φ39	840	940
700	900	960	875	820	24-Φ42	960	1040
800	1000	1085	990	928	24-Φ48	1080	1180
900	1100	1185	1090	1028	28-Φ48	1190	1280
1000	1200	1320	1210	1140	28-Φ55	1310	1420
1100	1250	1425	1315	1245	28-Φ55	1390	1480
1200	1300	1530	1420	1350	32-Φ55	1420	1530
1400	1500	1755	1640	1560	36-Φ60	1540	1650
1600	1800	1975	1860	1780	40-Φ60	1660	1750
1800	2000	2195	2070	1985	44-Φ68	1790	1860
2000	2200	2425	2300	2210	48-Φ68	1920	1990

Verify the selected configuration and service duty against the approved product submittal.