GB/T 4480-2017 Marine Stainless Steel Ball Valve

Item	Description
Product Name	GB/T 4480-2017 Marine Stainless Steel Ball Valve
Certificates	ABS, LR, BV, DNV, RINA, CCS
FOB Price	Get Latest Price Now
Warranty	12 months (unless otherwise specified)
Place of Origin	China

Overview

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 1. SCOPE

This standard specifies the classification, marking, requirements, test methods, inspection rules, marking, packaging, and storage of marine stainless steel ball valves (hereinafter referred to as "ball valves") with flange connection dimensions in accordance with CB/T 4196-2011, GB/T 2501-2010, and threaded connections in accordance with GB/T 7306.2-2000.

This standard is applicable to the design, manufacture, and acceptance of marine piping ball valves with a medium temperature not exceeding 150°C, including fresh water, seawater, oil, air, and acid/alkali corrosive liquids, with nominal sizes from DN 15 to DN 150 and nominal pressures from PN 6 to PN 40.

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 2. NORMATIVE REFERENCES

The following documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including all amendments) applies.

GB/T 600-2008 - General technical requirements for ship piping valves
GB/T 1184-1996 - Geometrical tolerances - Unindicated tolerance values
GB/T 1804-2000 - General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 1958 - Geometrical product specifications (GPS) - Geometrical tolerance verification
GB/T 2501-2010 - Ship flanges - Connection dimensions and sealing faces
GB/T 3032 - Marking of ship piping accessories
GB/T 7306.2-2000 - 55° sealing pipe threads - Part 2: Taper internal threads and taper external threads
GB/T 12230-2005 - General purpose valves - Technical specifications for stainless steel castings
CB/T 4196-2011 - Ship flanges - Connection dimensions and sealing faces

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 3. CLASSIFICATION AND MARKING

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 3.1 TYPES

Ball valves are divided into the following six types according to end connection:
a) Type A: Straight-through ball valve with flange connection dimensions and sealing surfaces in accordance with CB/T 4196-2011;
b) Type AS: Straight-through ball valve with flange connection dimensions and sealing surfaces in accordance with GB/T 2501-2010;
c) Type B: Three-way ball valve with flange connection dimensions and sealing surfaces in accordance with CB/T 4196-2011;
d) Type BS: Three-way ball valve with flange connection dimensions and sealing surfaces in accordance with GB/T 2501-2010;
e) Type C: Internally threaded connection ball valve with connection dimensions in accordance with GB/T 7306.2-2000;
f) Type D: Externally threaded connection three-way ball valve with connection dimensions in accordance with GB/T 7306.2-2000.

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 3.2 BASIC PARAMETERS

The basic parameters of ball valves shall be in accordance with Table 1.

TABLE 1 - BASIC PARAMETERS OF BALL VALVES

Type Designation	Nominal Pressure PN	Nominal Size DN	Maximum Working Pressure MPa	Applicable Medium
A	6, 10, 16, 25, 40	20~150	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.
AS	6, 10, 16, 25, 40	15~150	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.
B	6, 10, 16, 25, 40	20~150	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.
BS	6, 10, 16, 25, 40	15~150	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.
C	6, 10, 16, 25, 40	15~50	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.
D	6, 10, 16, 25, 40	10~32	0.6, 1.0, 1.6, 2.5, 4.0	Fresh water, seawater, oil, air, and acid/alkali corrosive liquids at temperatures not exceeding 150°C.

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 3.3 STRUCTURE AND BASIC DIMENSIONS

3.3.1 The structure and basic dimensions of Type A ball valves with PN 6, PN 10, PN 16, PN 25 are shown in Figure 1 and Table 2.
3.3.2 The structure and basic dimensions of Type B ball valves with PN 6, PN 10, PN 16, PN 25 are shown in Figure 2 and Table 2.

TABLE 2 - BASIC DIMENSIONS OF TYPE A AND B BALL VALVES (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Flange Connection Dimensions								Structural Dimensions				Valve Body Wall Thickness	Mass
		D	D1	D2	n	d	Th.	b	f	H	L	E	mm	Type A kg	Type B kg
6, 10	20							11		83	117		3.0	2.9	4.0
	25							12		89	127	165	3.5	4.3	7.0
	32	Per PN25						13		95	140		4.5	7.2	11.5
	40									110	165	200	4.5	9.8	14.5
	50									118	178		5.0	11.1	19.5
	65	155	123	104	6					134	190	320	5.0	14.0	23.5
	80	170	138	118	8	15	M14	14		145	203		5.5	20.5	33.5
	100	190	158	138						165	229	400	6.0	34.0	47.5
	125	215	183	164	10					195	356	550	6.5	56.0	74.5
	150	240	208	190	12					220	394		6.5	94.0	105.0
16	20							11		83	117	165	3.5	2.9	4.0
	25							12		89	127		4.0	4.3	7.0
	32	Per PN25						13		95	140		5.0	7.2	11.5
	40									110	165	200	5.0	9.8	14.5
	50							15		118	178		5.5	11.1	19.5
	65									134	190	320	5.5	14.0	24.5
	80							16		145	203		6.0	20.5	34.5
	100									165	229	400	6.5	34.5	48.5
	125	225	187	168	10	21	M20	18		195	356	550	7.0	57.0	75.5
	150	255	217	196	12					220	394		7.0	95.0	106.0
25	20	95	68	48	4	13	M12	11		83	152	165	3.5	2.9	4.5
	25	105	73	56				12		89	165		4.5	4.3	7.5
	32	115	83	64						95	178		5.0	7.2	12.5
	40	125	93	74	6	15	M14	13		110	190	200	5.0	9.8	17.5
	50	135	103	84						118	216		6.0	11.1	23.5
	65	170	132	110	8	17	M16	15		134	241	320	6.0	14.0	28.5
	80	185	147	126						145	283		6.5	20.5	38.5
	100	205	167	146	10					165	305	400	7.0	35.2	51.5
	125	240	196	172		19	M20	19		195	381	550	7.5	58.0	82.0
	150	270	226	200	12					220	403		7.5	96.0	109.0

3.3.3 The structure and basic dimensions of Type AS ball valves with PN 6, PN 10, PN 16, PN 25 are shown in Figure 1 and Table 3.
3.3.4 The structure and basic dimensions of Type BS ball valves with PN 6, PN 10, PN 16, PN 25 are shown in Figure 2 and Table 3.

TABLE 3 - BASIC DIMENSIONS OF TYPE AS AND BS BALL VALVES (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Flange Connection Dimensions								Structural Dimensions				Valve Body Wall Thickness	Mass
		D	D1	D2	n	d	Th.	b	f	H	L	E	mm	Type AS kg	Type BS kg
6	15	80	55	40				12		80	108	165	3.0	2.1	3.3
	20	90	65	50						83	117		3.0	2.9	3.5
	25	100	75	60	4	11	M10	2		89	127		3.5	4.4	6.5
	32	120	90	70				14		95	140		4.5	7.3	10.5
	40	130	100	80	4	14	M14			110	165	200	4.5	9.9	13.5
	50	140	110	90					3	118	178		5.0	11.1	18.5
	65	160	130	110				16		134	190	320	5.0	14.0	22.5
	80	190	150	128						145	203		5.5	20.6	32.5
	100	210	170	148	8	18	M16			165	229	400	6.0	33.2	46.5
	125	240	200	178				18		195	356	550	6.5	57.0	72.5
	150	265	225	202						220	394		6.5	95.0	103.0
10	15									80	108	165	3.0	2.1	4.0
	20								2	83	117		3.0	3.0	5.0
	25	Per PN40 Connection Dims								89	127		3.5	4.5	7.0
	32									95	140		4.5	7.4	11.5
	40									110	165	200	4.5	10.0	14.5
	50									118	178		5.0	11.2	19.5
	65								3	134	190	320	5.0	14.1	25.5
	80	Per PN16 Connection Dims								145	203		5.5	20.8	36.5
	100									165	229	400	6.0	34.1	51.5
	125									195	356	550	6.5	57.2	77.5
	150									220	394		6.5	95.2	108.5
16	15									80	108	165	3.0	2.1	4.0
	20								2	83	117		3.5	3.0	5.0
	25	Per PN40 Connection Dims								89	127		4.0	4.5	7.0
	32									95	140		5.0	7.4	11.5
	40									110	165	200	5.0	10.0	14.5
	50									118	178		5.5	11.2	19.5
	65	185	145	122	8	18	M16	18	3	134	190	320	5.5	14.1	25.5
	80	Per PN40 Connection Dims								145	203		6.0	20.8	36.0
	100	220	180	158		18	M16	20		165	229	400	6.5	35.1	51.5
	125	250	210	188	8		M20	22		195	356	550	7.0	57.2	77.5
	150	285	240	212		22				220	394		7.0	95.2	108.5
25	15								2	80	108	165	3.0	2.1	5.0
	20	Per PN40 Connection Dims								83	152		3.5	3.0	8.0
	25									89	165		4.5	4.5	12.5
	32									95	170		5.0	7.4	13.0
	40									110	190	200	5.0	10.0	19.0
	50									118	216		6.0	11.2	27.0
	65								3	134	241	320	6.0	14.1	33.0
	80									145	283		6.5	20.8	40.0
	100									165	305	400	7.0	35.6	53.0
	125									195	381	550	7.5	57.3	86.0
	150									220	403		7.5	95.3	113.0

3.3.5 The structure and basic dimensions of Type A ball valves with PN 40 are shown in Figure 3 and Table 4.
3.3.6 The structure and basic dimensions of Type B ball valves with PN 40 are shown in Figure 4 and Table 4.

TABLE 4 - BASIC DIMENSIONS OF TYPE A AND B BALL VALVES WITH PN 40 (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Flange Connection Dimensions								Structural Dimensions				Valve Body Wall Thickness	Mass
		D	D1	D2	n	d	Th.	b	f	H	L	E	mm	Type A kg	Type B kg
40	20	105	73	58	35	51	13	M12	13		83	152	165	4.0	4.3	5.0
	25	115	83	66	42	58	15		15		89	165		5.0	5.1	8.0
	32	125	93	74	50	66	6	14	M14	17		95	178		5.0	8.0	12.5
	40	145	107	84	60	76				19	3	110	190	200	5.0	11.1	19.2
	50	155	117	96	72	88		17	M16	20		118	216		6.0	12.2	26.5
	65	175	137	118	94	110				18		134	241	320	6.5	14.6	32.2
	80	190	152	130	105	121	8					145	283		7.0	21.0	39.2
	100	225	181	157	128	150				21		165	305	400	7.5	35.5	52.0
	125	250	206	182	154	176		21	M20	24		195	381	550	9.0	58.5	83.0
	150	280	236	212	182	204	12				4	220	403		9.0	97.0	109.0

3.3.7 The structure and basic dimensions of Type AS ball valves with PN 40 are shown in Figure 3 and Table 5.
3.3.8 The structure and basic dimensions of Type BS ball valves with PN 40 are shown in Figure 4 and Table 5.

TABLE 5 - BASIC DIMENSIONS OF TYPE AS AND BS BALL VALVES WITH PN 40 (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Flange Connection Dimensions								Structural Dimensions				Valve Body Wall Thickness	Mass
		D	D1	D2	n	d	Th.	b	f	H	L	E	mm	Type AS kg	Type BS kg
40	15	95	65	45	28	40		14	M12	16		80	140	165	4.0	2.1	4.0
	20	105	75	58	35	51						83	152		4.0	3.0	5.2
	25	115	85	68	42	58	4			18	2	89	165		5.0	4.5	8.2
	32	140	100	78	50	66		18	M16			95	178		5.0	7.4	13.0
	40	150	110	88	60	76				18		110	190	200	5.0	10.0	19.0
	50	165	125	102	72	88	4					118	216		6.0	11.2	27.0
	65	185	145	122	94	110				20		134	241	320	6.5	14.1	33.0
	80	200	160	138	105	121		18				145	283		7.0	20.8	40.0
	100	235	190	162	128	150	8	22	M20		24	3	165	305	400	7.5	35.2	53.0
	125	270	220	188	154	176		26	M24	26		195	381	550	9.0	57.3	86.0
	150	300	250	218	182	204		28				220	403		9.0	95.3	113.0

3.3.9 The structure and basic dimensions of Type C ball valves are shown in Figure 5 and Table 6.

TABLE 6 - BASIC DIMENSIONS OF TYPE C BALL VALVES (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Threaded Connection Dimensions		Structural Dimensions			Valve Body Wall Thickness	Mass
		Rc	L1	L	H	E	mm	kg
6, 10	15	Rc1/2	13.5	68	55	130	3.0	1.9
	20	Rc3/4	14.0	78	58		3.5	2.6
	25	Rc1	17.5	86	65	160	3.0	6.1
	32	Rc1 1/4	18.0	100	71	190	4.5	6.8
	40	Rc1 1/2	18.5	106	86		4.5	7.5
	50	Rc2	19.5	130	94		5.0	8.4
16	15	Rc1/2	13.5	68	55	130	3.0	1.9
	20	Rc3/4	14.0	78	58		3.5	2.6
	25	Rc1	17.5	86	65	160	4.0	6.2
	32	Rc1 1/4	18.0	100	71		5.0	7.0
	40	Rc1 1/2	18.5	106	86	190	5.0	7.8
	50	Rc2	19.5	130	94		5.5	8.6
25	15	Rc1/2	13.5	68	55	130	3.0	1.9
	20	Rc3/4	14.0	78	58		3.5	2.9
	25	Rc1	17.5	86	65	160	4.5	6.5
	32	Rc1 1/4	18.0	100	71		5.0	7.0
	40	Rc1 1/2	18.5	106	86	190	5.0	7.8
	50	Rc2	19.5	130	94		6.0	9.0
40	15	Rc1/2	13.5	68	55	130	4.0	2.0
	20	Rc3/4	14.0	78	58		4.0	3.2
	25	Rc1	17.5	86	65	160	5.0	6.8
	32	Rc1 1/4	18.0	100	71		5.0	7.0
	40	Rc1 1/2	18.5	106	86	190	5.0	7.8
	50	Rc2	19.5	130	94		6.0	9.0

3.3.10 The structure and basic dimensions of Type D ball valves are shown in Figure 6 and Table 7.

TABLE 7 - BASIC DIMENSIONS OF TYPE D BALL VALVES (Unit: mm)

Nominal Pressure PN	Nominal Size DN	Threaded Connection Dimensions			Structural Dimensions				Valve Body Wall Thickness	Mass
		D	D1	L1	L	L2	L3	H	mm	kg
≤ 40	10	M27×1.5	20	13	110	100	41	36	58.0	4.0	2.2
	15	M30×1.5	24	14	110	105	43	40	60.5	4.0	2.6
	20	M36×1.5	30	16	110	121	50	46	67.5	4.0	4.1
	25	M42×1.5	35	20	160	135	55	58	70.0	5.0	5.0
	32	M52×1.5	40	22	180	160	64	67	85.0	5.0	8.7

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 3.4 MARKING

3.4.1 TYPE DESIGNATION
The type designation of ball valves shall be expressed as follows:
[Type Code] [Nominal Pressure Value] [Nominal Size Value, padded with "0" if less than 3 digits] [Valve Body Material Code] [Ball Material Code]

3.4.2 MARKING EXAMPLES
Example 1: Nominal pressure PN16, nominal size DN80, valve body material CF3, ball material CF3. The flange connection dimensions and sealing surfaces are per CB/T 4196-2011. The marking is: Ball Valve CB/T 4480-2017 A16080N1N1
Example 2: Nominal pressure PN16, nominal size DN80, valve body material CF3, ball material CF8. The flange connection dimensions and sealing surfaces are per GB/T 2501-2010. The marking is: Ball Valve CB/T 4480-2017 AS16080N1N2
Example 3: Nominal pressure PN40, nominal size DN40, valve body material CF8M, ball material CF3M. The internally threaded connection ball valve is marked as: Ball Valve CB/T 4480-2017 C40040N4N3

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 4. REQUIREMENTS

CB/T 4480-2017 MARINE STAINLESS STEEL BALL VALVE - 4.1 MATERIALS

4.1.1 The main part materials of the ball valves shall be in accordance with Table 8. Materials can be put into use after passing inspection.

TABLE 8 - MAIN PART MATERIALS FOR BALL VALVES

Part Name	Material Code	Material Name	Material Grade	Material Standard
Body, Ball	N1	Stainless Steel	CF3	GB/T 12230-2005
	N2		CF8
	N3		CF3M
	N4		CF8M
Stem	-		06Cr19Ni10	GB/T 1220-2007
			022Cr19Ni10
			06Cr17Ni12Mo2
			022Cr17Ni12Mo2
Sealing Ring	-	PTFE	PTFE	-

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