91国产精品

API ball valve

Production enforce standard

Product specification

Design spec

Face to face

Flange end

Test?&check

Marking

Supply

API608 API6D

ANSI B16.10 API6D

ANSI B16.5

API598 API 6D

MSS?SP-25 API 6D

API?608 API6D

Chief property and specification

Nominal pressure

150Lb

300Lb

400Lb

600Lb

Shell test pressure

3.1

7.5

10.2

15.0

Seal test

2.2

5.5

7.48

11.C

Seal test

0.5~0.7

Applicable medium

???????C Water,oil,steam

???P Nitric acid

???R Acetic acid

Material for main parts

Parts name

WCB

CF8

CF3

CF8M

?CF3M

Body &body cap

A216-WCB

A315-CF8

A35-CF3

A351-CF8M

?A351-CE?M

Ball

B2-B8

A105-1025

A182-F304L

A182-F304L

A132-F316

?A182-F316L

叠8以上

A216-WCB

A351-CF8N

A351-CF3

A351-CF8M

A351-CF3M

Steam

A182-F6a

A182-F304

A182-F304L

A182-F336

?A182-F316L

Seat

PTFE/Reinforced PTFE/Nyion

Ceat retaine

A105-1025

A182-F304

A182-F304L

A182-F316

?A182-F316L

Spring

3yc-7/17-49H

O-ring

NBR

Viton

Stud

A193-B7

A193-B8

Nut

A194-2H

A194-8

A1-6B(3)41,(3)47,(3)61,(3)67F

Main external and connection dimension

CLASS?150?A1B(3)41,(3)47,(3)61,(3)67F(N.PPL).(P.R.V)														Unit:mm
DN	Main?external?and?connection?dimension												WT(Kg)	Remark
	d	L-RF	L-BW	D	D1	D2			狈-中	H1	H2	Do
1/2"	13	108		89	60.5	35	11.2	1.6	4-16		59	130	2.3	Float ball
3/4"	19	?117		98	70	43	11.2	1.6	4-16		63	130	3.0
1"	25	?127		108	79.5	51	11.2	1.6	4-16		75	160	4.5
1 1/2"	38	?165	190	127	98.5	73	14.3	1.6	4-16		95	230	7.0
2"	51	?178	216	152	120.5	92	15.9	1.6	4-19		107	230	9.5	Fixing ball Float ball
2 1/2"	61	190	241	178	139.5	105	17.5	1.6	4-19		142	400	15.0
3"	76	?203	283	190	52.5	127	40.	1.6	4-19		152	400	19.0
4“	102	?229	305	229	190.5	157	23.9	1.6	8-19		178	700	33.0
5"	127	?356		254	216	186	23.9	1.6	8-22		252	100	58.0
6"	52	?394	457	279	241.5	216	54.5	1.6	8-22		272	1100	93.0
8"	203	457	521	343	298.5	27(	58.6	1.6	8-22		342	500	60.C
8"	203	?457	521	343	298.5	270	28.6	1.6	8-22		398	600	180.0	Fixing ball
10“	254	?533	559	406	362	324	30.2	1.6	12-25	335	495	600	240.0
12"	305	?610	635	482.6	A31.8	381	31.8	1.6	2-25	385	580	80C	390.0
14"	337	?686	762	535	476	412.8	35	1.6	12-29	430	625	800	510.0
16"	387	162	838	597	539.5	469.9	36.6	1.6	16-29	470	720	800	750.0
?20”	489	?914	991	698	635	58.2	42.9	1.6	20-32	590	840	800	1190
24"	591	1067	1143	813	749.5	692.2	47.8	1.6	20-35	700	1050	800	2100
26"	686	1245	1346	927.1	836.6	800.1	71.4	1.6	28-35	780	1150	800	3000
CLASS?300?A3B(3)41,(3)47,(3)67F(N.PPL).(P.R.V)														Unit:mm
DN	Main?external?and?connection?dimension												WT(Kg)	Remark
	d	?-RF _	L-BW	D	D1	D2			狈-φ	H1	H2	Do
1/2"	13	?140		95	66.5	35	14.2	1.6	4-16		59	130	2.5	Eloal ball
3/4"	19	?152		117	82.5	43	15.9	1.6	4-19		63	130	3.5
1"	25	?165		124	89	51	17.5	1.6	4-19		75	160	5.5
1 1/2"	38	?190	190	156	114.5	73	20.7	1.6	4-22		95	230	0.5
2"	51	?216	216	165	127	92	22.3	1.6	8-19		107	230	14.5	Fixing ball Float ball
2 1/2"	61	?241	241	190	149	105	25.4	1.6	8-22		142	400	23.5
3"	76	?283	283	210	68	127	28.6	1.6	8-22		52	400	30.0
4"	102	?305	305	254	200	157	31.8	1.6	8-22		178	700	55.0
5"	127	?381		279	235	186	35	1.6	8-22		252	100	81.0
6"	52	?403	457	318	270	216	36.5	1.6	12-22		272	1100	118.0
8"	203	?502	521	381	330	270	41.3	1.6	12-25		342	500	200.00
8"	203	?502	521	381	330	270	41.3	1.6	12-25		398	600	220.2	Fixing ball
10"	254	?568	559	444	387.5	324	17.7	1.6	16-29	335	495	600	365
12"	305	?648	635	520.8	451	381	50.8	1.6	6-32	385	580	800	530
14"	337	?762	762	584.2	514.5	412.8	53.8	1.6	20-32	430	625	800	740
16"	387	?838	838	647.8	571.5	469.9	57.2	1.6	20-35	470	720	800	1030
20"	489	?991	991	774.8	685.8	58.2	63.5	1.6	24-35	590	840	800	1540
24"	591	?143	143	914.4	812.8	692.2	69.8	1.6	24-41	700	1050	800	2600
28"	686	1346	1346	1035	939.8	800.1	85.9	1.6	28-44.5	780	150	800	3900

A1-6B(3)41,(3)47,(3)61,(3)67F
Main external and connection dimension
CLASS?400?A4B(3)41,(3)47,(3)67F(N.PPL).(P.R.V)															Unit:mm
DN	Main?external?and?connection?dimension													WT(Kg)	Remark
	d	L-RF	L-BW	D	D1	D2			狈-Φ	H1		H2	Do
1/2"	13	165	165	95	66.5	35	14.3	6.4	4-16			59	130	6.5	Float ball
3/4"	19	190	190	117	82.5	43	15.9	6.4	4-19			63	160	9
1"	25	216	216	124	89	51	17.5	6.4	4-19			75	160	13
1 1/2"	38	241	241	156	114.5	73	22.3	6.4	4-22			95	230	16.5
2"	51	292	292	165	127	92	25.4	6.4	8-19			107	700	25	Fixinc ball Float ball
4"	102	406	406	254	200	157.2	35	6.4	8-25			178	700	66
6“	152	495	495	317.5	270	216	41	6.4	12-25	250		300	600	145
8"	203	597	597	381	330	269.8	47.8	6.4	12-28.5	294		374	800	250	Fixing ball
10"	254	673	673	445	387.5	324	53.8	6.4	16-32	370		445	800	540
12"	305	762	762	521	451	381	57	6.4	16-35	420		515	800	780
14"	337	826	826	584	514.5	413	60.5	6.4	20-35	460		550	800	1000
16"	387	902	902	648	571.5	470	63.5	6.4	20-38	505		615	800	1300
?20”	489	1054	1054	775	686	584.2	69.8	6.4	24-41	630		810	800	2100
24"	591	1232	1232	915	812.8	692.2	76	6.4	24-48	685		845	800	3400
?26”	686	1397	1397	1035	939.8	800	95.3	6.4	28-51	860		1087	800	5000

CLASS?600?A6B(3)41,(3)47,(3)67F(N.PPL).(P.R.V)

Unit:mm

DN	Main?external?and?connection?dimension													WT(Kg)	Remark
	d	L-RF	L-BW	D	D1	D2			狈-Φ	H1		H2	Do
1/2"	13	165	165	95	56.5	35	14.3	6.4	4-16			59	160	7.5	Float ball
3/4"	19	190	190	117	82.5	43	15.9	6.4	4-19			63	160	10.5
1"	25	216	216	124	89	51	17.5	6.4	4-19			75	230	14.5
1 1/2"	38	241	241	156	114.5	73	22.3	6.4	4-22			95	400	18.5
2"	51	292	292	165	127	92	25.4	6.4	8-19			107	700	25	Fixing ball Float ball
4"	102	432	432	273	216	157.2	38	6.4	8-25			178	1100	76
6"	152	559	559	355.6	282.1	216	47.2	6.4	12-29	250		300	600	127
8"	203	660	660	419.5	349.2	269.8	55.7	6.4	12-32	294		374	800	350	Fixing ball
10"	254	787	787	508	431.8	324	63.5	6.4	16-35	370		445	800	660
12"	305	838	838	559	489	381	66.5	6.4	20-35	420		515	800	820
14"	337	889	889	603.2	527	413	69.8	6.4	20-38	460		550	800	1130
16"	387	991	991	686	603.2	470	76.2	6.4	20-41	505		615	800	1550
?20”	489	1194	1194	818	724	584.2	89	6.4	24-445	630		810	800	2800
24"	591	1394	1394	940	838.2	692.2	101.6	6.4	24-51	825		1010	800	5300
?26”	686	1549	1549	1073	965.2	80C	111.3	6.4	28-55	970		1180	800	6500

Floating ball valve

Main?external?and?connection?dimension

?Unit:mm

DN	Main?external?and?connection?dimension								WT(Kg)
	L	D	D1	Dz	b	Z-d	H	W
Q41F-16C????Q41F-16P?????Q641F-16C????Q641F-16P?????Q9B41F-16C?????Q9B41F-16P
15	130	95	65	45	14	4-14	78	140	3
20	140	105	75	55	14	4-14	84	160	4
25	150	115	85	65	14	4-14	95	180	5
32	165	135	100	78	16	4-18	150	250	9
40	180	145	110	85	16	4-18	150	300	11
50	203	160	125	100	16	4-18	170	350	15
65	222	180	145	120	18	4-18	195	350	19
80	241	195	160	135	20	8-18	215	400	27
100	305	215	180	155	20	8-18	250	500	38
125	356	245	210	185	22	8-18	265	600	58
150	394	280	240	210	24	8-23	270	800	81
200	457	335	295	265	26	12-23	330	800	95
250	533	405	355	320	30	12-25	450	1300	140

Q41/341/641/941P-25~64(P)

Main external and connection dimension? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?Unit:mm

DN	Main external and connection dimension								WT(Kg)
		D	D1	D2	b	Z-c	H	W
Q41F-25???Q41F-25P?????Q641F-25????Q641F-25P?????Q9B41F-25????Q9B41F-25P
15	140	95	65	45	16	4-14	103	100	3
20	152	105	75	55	16	4-14	112	160	4
25	165	115	85	65	16	4-14	123	160	6
32	178	135	100	78	18	4-18	150	250	10
40	190	145	110	85	18	4-18	156	250	14
50	216	160	125	100	20	4-18	172	350	20
65	241	180	145	120	22	8-18	197	350	25
80	283	195	160	135	22	8-18	222	450	30
100	305	230	190	160	24	8-23	253	450	40
125	381	270	220	188	28	8-25	275	600	65
150	403	300	250	218	30	8-25	286	800	85
200	502	360	310	278	34	12-25	340	1200	100
250	568	425	370	332	36	12-30	470	1400	165
Q41F-40??Q41F-40P???Q341F-40??Q341F-40P???Q641F-40??Q641F-40P???Q9B41F-40???Q9B41F-40P
15	140	95	65	45	16	4-14	103	100	3
20	152	105	75	55	16	4-14	112	160
25	165	115	85	65	16	4-14	123	160	6
32	178	135	100	78	18	4-18	150	250	10
40	190	145	110	85	18	4-18	156	250	14
50	216	160	125	100	20	4-18	172	350	20
65	241	180	145	120	22	8-18	197	350	25
80	283	195	160	135	22	8-18	222	450	30
100	305	230	190	160	24	8-23	253	450	40
125	381	270	220	188	28	8-25	275	600	65
150	403	300	250	218	30	8-25	286	800	85
200	502	375	320	282	38	12-30	340	1200	100
250	568	445	385	345	42	12-34	470	1400	165
Q41F-64??Q41F-64P???Q341F-64??Q341F-64P???Q641F-64??Q641F-64P???Q9B41F-64??Q9B41F-64P
15	165	105	75	55	18	4-14	105	130	3.1
20	190	125	90	68	20	4-18	125	130	4.9
25	216	135	100	78	22	4-18	135	160	7.2
32	229	150	110	82	24	4-23	150	160	8.7
40	241	165	125	95	24	4-23	165	230	12.1
50	292	175	135	105	26	4-23	175	230	16.7
65	330	200	160	130	28	8-23	200	400	28.2
80	356	210	170	140	30	8-23	210	400	36
100	432	250	200	168	32	8-25	250	700	66
125	508	295	240	202	36	8-30	295	1100	98
150	559	340	280	240	38	8-34	340	1500	142

Trunnion-mounted ball valve

Main?external?and?connection?dimension										?Unit:mm
DN	Main?external?and?connection?dimension									WT(Kg)
	L	D	D1	D2	b	Z-d	H	H1	Do
Q47F-16C?Q67F-16C????Q47F-16P????Q347F-16C????Q367F-16C????Q347F-16P Q647F-16C??????Q667F-16C Q647F-16P Q747F-16C???Q767F-16C??Q747F-16P???Q9B47F-16C???????Q9B67F-16C Q9B47F-16P
50	178	160	125	100	16	4-18	177	120		15
65	191	180	145	120	18	4-18	190	140		19
80	203	195	160	135	20	8-18	210	150		27
100	229	215	180	155	20	8-18	235	172		38
125	356	245	210	185	22	8-18	350	215		58
150	394	280	240	210	24	8-23	530	250		81
200	457	335	295	265	26	12-23	620	290	600	140
250	533	405	355	320	30	12-25	650	320	600	160
300	610	460	410	375	30	12-25	780	360	600	205
350	686	520	470	435	34	16-25	790	395	800	260
400	762	580	525	485	36	16-30	920	450	800	390
450	864	640	585	545	40	20-30	970	490	800	510
500	914	705	650	608	44	20-34	1100	530	800	750
600	1067	840	770	718	48	20-41	1150	590	800	1200
700	1245	910	840	788	50	24-41	1850	700	800	2100

?

Main external and connection dimension? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??Unit:mm

DN	Main?external?and?connection?dimension												WT(Kg)
	L	D	D1	D2		b		Z-d	H		H1	Do
Q47F-25? Q67F-25? Q47F-25P? Q347F-25??Q747F-25??Q767F-25?Q747F-25P? Q367F-25? Q347F-25P? Q647F-25??Q947F-25??Q967F-25??Q667F-25??Q947F-25P??Q647F-25P
50	216	160	125	100		20		4-18	177		120		20
65	241	180	145	120		22		8-18	190		140		25
80	283	195	160	135		22		8-18	210		150		30
100	305	230	190	160		24		8-23	235		172		40
125	381	270	220	188		28		8-25	350		215		65
150	403	300	250	218		30		8-25	530		250		85
200	502	360	310	278		34		12-25	620		290	600	100
250	568	425	370	332		36		12-30	650		320	600	182
300	648	485	430	390		40		16-30	780		360	600	212
350	762	550	490	448		44		16-34	790		395	800	288
400	838	610	550	505		48		16-34	920		450	800	468
450	914	660	600	555		50		20-34	970		490	800	587
500	991	730	660	610		52		20-41	1100		530	800	863
600	1143	840	770	718		56		20-41	1150		590	800	1396
700	1346	955	875	815		60		24-48	1850		700	800	2415

Forged trunnion-mounted ball valve

Main external and connection dimension? ? ? ? ? ? ? ?Unit:mm

DN	Main?external?and?connection?dimension									WT(Kg)
	L	D	D1	D?	b	Z-d	H	H?	Do
QD47F-16C?????????QD47F-16P?QD347F-16C??????QD347F-16P QD647F-16C QD647F-16P?QD747F-16C????QD747F-16P??????????QD9B47F-16C?QD9B47F-16P
50	178	160	125	100	16	4-18	160	85		28
65	191	180	145	120	18	4-18	170	95		32
80	203	195	160	135	20	8-18	200	110		44
100	229	215	180	155	20	8-18	210	120		86
125	356	245	210	185	22	8-18	350	215		133
150	394	280	240	210	24	8-23	530	190		203
200	457	335	295	265	26	12-23	575	230	-600	273
250	533	405	355	320	30	12-25	585	260	600	450
300	610	460	410	375	30	12-25	730	300	600	583
350	686	520	470	435	34	16-25	860	350	800	750
400	762	580	525	485	36	16-30	935	395	800	1190
450	864	640	585	545	40	20-30	975	440	800	2100
500	914	705	650	608	44	20-34	1060	485	800	3100
600	1067	840	770	718	48	20-41	1170	591	800	3980
700	1245	910	840	788	50	24-41	1270	686	800	4800

QD47/347/647/947F-25~64(P)

Main external and connection dimension? ? ? ? ? ? ??Unit:mm

DN	Main external and connection dimension																													WT(Kg)
	L		D				D1		D2						Z-d				H			H?				Do
?QD647F-25?QD47F-25 QD647F-25P?QD47F-25P?QD747F-25?QD347F-25???QD347F-25P QD747F-25P QD947F-25?QD947F-25P
50	216		160				125		100			20			4-18				160			85								30
65	241		180				145		120			22			8-18				170			95								410
80	283		195				160		135			22			8-18				200			110								52
100	305		230				190		160			24			8-23				210			120								97
125	381		270				220		188			28			8-25				350			215								35
150	403		300				250		218			30			8-25				530			190								204
200	502		360				310		278			34			12-25				575			230				600				322
250	568		425				370		332			36			12-30				585			260				600				535
30C	648		485				430		390			40			16-30				730			300				60C				775
350	762		550				490		448			44			16-34				860			350				800				1210
400	838		610				55C		505			48			16-34				935			395				80C				2300
450	914		660				600		555			50			20-34				975			440				800				3400
500	991		730				660		610			52			20-41				1060			485				800				4208
600	1143		840				770		718			56			20-41				1170			591				800				5080
700	1346		955				875		815			60			24-48				1270			686				800				5750

Floating fully welded ball valve

Technical specification

Design reference				GB	API		ASME
Design?standard				GB/T12237	API6C		ASME B16.34
Structural length		Flanged ends		GB/T12221	API6D		ASME B16.10
		Welded connection		GB/T15188.1
Flanged?endsr				GB/T9113 JB/T 79	ASME B16.5
Butt-welding ends				GB/T12224	ASME B16.25
Test &inspection				JB/T 9092	API6D		API598

Notes:The sizes of serial valve connecting flange and butt-welding terminas, can be designed according to customer's requirement.

Major parts material form

No.	Accessory name		Material
			GB			ASTM
1	Seat		PTFE			PTFE
2	The end covering		25			A105
3	Body		25			A105
4	Ball*		25+Hcr			A105+Hcr
5	Stem**		1Cr13			A276-410
6	Gasket		PTFE			DTFE
7	Packing body		25			A105
8	Packing seal		1Cr13			A276-410
9	Packing		PTFE;Carbon fibre;Soft graphite
10	Packing gland		25			A105
11	Screw		35CrMo			A193-B7
12	Locating piece		Q235A			Carbon steel
13	Ring		65Mn			AISI1566
14	Handle		KT330			A47-667Gr 3251C

The material of this part about the anti-sulphur type valve is GB

(1Cr18Ni9+Ni.P),ASTM(A182-304+Ni.P)

The material of this part about the anti-sulphur type valve is GB

(1Cr18Ni9),ASTM(A276-321)

Major parts of the valve series and materials of sealing surface differ

according to actual working condition and customer's special requirement

Main size of outside

惭辞诲别濒:(碍)蚕3(6、7、8、9)4(6)1贵(驰、狈、笔笔尝)

Pressure	Nomina dimeter		Elang	Butt welding	Hand- operated		Worm?gear?worm			Air-operating and Fluid driving					Electric driving
	mm	in	L	L1	M	Mo	B	B?	Type	P	P1	P?	P?	Type	H	H?	Ho	Type
1.6MPa 2.0MPa (150Lb)	15	1/2	108	140	73	130				205	125	326	136	AG06
	20	3/4	117	152	80	130				235	140	326	136	AG09
	25	1	127	165	88	160				244	148	347	181	AG09
	32	1 1/4	140	178	105	180				325	195	420	181	AG13
	40	1 1/2	165	190.5	95	230				340	195	420	181	AG13
	50	2	178	216	130	230				354	223	426	257	AG13	435	340	190	Q60-1
	65	21/2	190.5	241	145	400				366	235	426	257	AG13	445	350	190	Q60-1
	80	3	203	283	191	400				415	285	490	257	AG13	455	360	190	Q60-1
	100	4	229	305	200	460				485	330	523	287	AG13	495	400	190	Q60-1
	125	5	356	381	225	750				607	340	378	378	AW17	575	425	400	Q120-1
	150	6	394	457	245	750	260	400	A	623	415	378	378	AW17	645	495	400	Q120-1
	200	8	457	521	285	950	300	600	B	742	500	530	530	AW20	680	530	400	Q120-1

Note:The face to face dimension and connecting flange of a diameter reduced valve are per the non-reducing norms;the sizes of both valve height

and actuator are reduced by one norm size.

Main size of outside

惭辞诲别濒:(碍)蚕3(6、7、8、9)4(6)1贵(驰、狈、笔笔尝)

Pressure	Nomina dimeter		Flange	?Butt welding	Hand- operated		Worm gear worm			Air-operating and Fluid driving					Electric driving
	mm	in	L	L1	M	Mo	B	B?	Type	P	P?	P?	P?	Type	H	H?	Ho	Type
?2.5MPa ?4.0MPa 5.0MPa (300Lb)	15	1/2	140	140	75	140				205	125	326	136	AG06
	20	3/4	152	152	80	140				236	140	326	136	AG09
	25	1	165	165	85	180				245	150	347	181	AG09
	32	11/4	178	178	100	230				325	195	420	181	AG13
	40	11/2	190.5	190.5	105	230				325	195	420	181	AG13
	50	2	216	216	135	240				360	230	426	257	AG13	435	340	190	Q60-1
	65	21/2	241	241	165	400				390	260	426	257	AG13	445	350	190	Q60-1
	80	3	283	283	190	400				415	285	490	257	AG13	455	360	190	Q60-1
	100	4	305	305	235	750				510	350	523	287	AG13	495	400	190	Q60-1
	125	5	381	381	240	750				620	415	378	378	AW17	575	425	400	Q120-1
	150	6	403	457① 403	255	900	325	400	A	675	465	378	378	AW17	645	495	400	Q120-1
	200	8	502	521	310	1200	390	600	B	825	580	530	530	AW20	680	530	400	Q120-1

Note:The face to face dimension and connecting flange of a diameter reduced valve are per the non-reducing norms;the sizes of both valve height

and actuator are reduced by one norm size.

①457 to be the size of PN2.5Mpa,4.0Mpa;403 to be the size of Class300Lb.

Main size of outside

惭辞诲别濒:(碍)蚕3(6、7、8、9)4(6)1贵(驰、狈、笔笔尝)

Pressure	Nomina dimeter		Flange	Butt welding	Hand- operated		Worm?gear?worm			Air-operating and Fluid driving					Electric driving
	mm	in	L	L1	M	Mo	B	B?	Type	P	P?	P2	P?	Type	H	H?	Ho	Type
6.4MPa 10.0MPa (400Lb) (600Lb)	15	V2	165	165	75	160				230	135	283	136	AG06
	20	3/4	190.5	190.5	80	160				235	140	283	136	AG09
	25	1	216	216	85	230				245	150	283	181	AG09
	32	11/4	178	178	100	230				265	170	350	181	AG13
	40	11/?	241	241	105	400				265	170	350	181	AG13
	50	2	292	292	135	400				365	235	590	257	AG13	500	350	190	Q120-1
	65	21/2	330	330	165	650				395	265	590	257	AG13	520	370	190	Q120-1
	80	3	356	356	190	650	292	400	A	470	315	523	257	AG13	545	395	190	Q120-1
	100	4	406① 432	?406① 432	235	1050	398	600	B	600	395	378	378	AW17	560	410	190	Q120-1
	150	6	559	?559	一		400	800	C	650	425	378	378	AW17
	200	8	660	?660			430	800	C	680	485	530	530	AW20

Note:The face to face dimension and connecting flange of a diameter reduced valve are per the non-reducing norms;the sizes of both valve height

and actuator are reduced by one norm size.

?①406 to be the size of PN6.4Mpa,Class400Lb;432 to be the size of PN10.0MPa,Class600Lb.