GB/T 593-2019: Marine Flange Bronze Packing Plugs - Standards & Specifications for Marine Applications

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GB/T 593-2019 Marine flange bronze packing plug

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GB/T 593 Marine flange bronze, cast iron, stainless steel packing cock basic parameters：

Connection

form

shape

Maximum working pressure/pMpa

Nominal pressure/PN

Nominal diameter DN/mm

Interface standards

Applicable media

Material

Class F: Flange connection

Direct

0.6

6.0

20～80

CB/T4196

Fresh water, sea water, lubricating oil, fuel oil

Bronze, cast iron, stainless steel

FAS

CB/T2501

Tee L-type

CB/T4196

FLS

CB/T2501

Tee T-type

CB/T4196

FTS

CB/T2501

Type T: threaded connection

Threaded at both ends

TA、

Straight, three-way L-type, three-way T-type

CB/T4456

Bronze, stainless steel

TL、

1.6

20、25

2.5

6～15

CB/T4328

One end thread, one end discharge joint

Direct

CB/T4456

1.6

20、25

2.5

6～15

CB/T4328

Right Angle

0.1

10～25

CB/T4456

Main parts materials：

Part Name

Material

name

Brand

Material code

standard encdoing

Body, plug core

Cast Tin Bronze

ZCuSn10Zn2

GB/T 1176-2013

ZCuSn5Pb5Zn5

Stainless steel

ZG07Cr20Ni10

ZG07Cr19Ni11Mo2

Body

grey cast iron

HT200

GB/T9439-2010

wrench

Carbon structural steel

Q235B

GB/T700-2006

filler

Polytetrafluoroethylene

Basic dimensions of FA, FL and FT bronze cocks：

Nominal pressure PN/	Nominal diameter DN/ mm	structure size			Wall thickness t	Flange					bolt		handl eL0	Theoretical weight/kg
		L	H	H1
						D	D1	D2	b	d0	n	Th.		FA	FL	FT
6	20	145	139	40	4	95	68	48	12	13	4	M12	125	3.0	3.5	3.4
	25	155	149	41		105	73	56	13				140	3.7	4.2	4.1
	32	165	168	48	5	115	83	64		15	6	M14	160	4.6	5.3	5.2
	40	190	192	56		125	93	74	14				180	6.9	8.6	8.5
	50	205	243	65		135	103	84					230	9.7	11.4	11.3
	65	225	285	80	6	155	123	104					250	12.4	15.6	15.4
	80	245	324	96		170	138	118			8		320	18.8	21.6	21.3

Basic dimensions of FAS, FLS and FTS bronze cocks：

Nominal pressure PN/	Nominal diameter DN/ mm	structure size			Wall thicknes st	Flange					bolt		handl eL0	Theoretical weight/kg
		L	H	H1
						D	D1	D2	b	d0	n	Th.		FA	FL	FT
6	20	150	139	40	4	90	65	50	14	11	4	M10	125	3.0	3.5	3.4
	25	160	149	41		100	75	60					140	3.7	4.2	4.1
	32	180	168	48	5	120	90	70	16	14		M12	160	5.0	5.9	5.8
	40	200	192	56		130	100	80					180	7.5	9.4	9.3
	50	230	243	65		140	110	90					230	10.7	12.7	12.5
	65	290	285	80	6	160	130	110					250	13.6	17.1	16.9
	80	310	324	96		190	150	128	18	18		M16	320	20.3	23.6	23.3

Basic dimensions of TA, TL and TT bronze cocks：

Nominal pressure PN/	Nominal diameter DN/ mm	structure size			Threaded joints					handl eL0	Theoretical weight/kg
		L	H1	H	D	D1	D2	L	L1
											TA	TL	TT
25	6	70	20	60	M22*1.5	19.8	10	14	3	100	0.42	0.49	0.48
	10	78	27	72	M27*1.5	24.8	14	16		110	0.69	0.72	0.71
	15	92	37	92	M36*2	33	22	22	5	115	1.07	1.26	1.24
16	20	98	40	99			24	20	-	125	1.52	1.72	1.70
	25	106	42	108	M42*2	39	29			140	1.90	2.24	2.22
10	32	126	49	120	M48*2	45	36			160	3.47	3.89	3.79

Basic dimensions of TB type bronze cock：

Nominal pressure PN/	Nominal diameter DN/ mm	structure size				Wall thickness t	Threaded joints						handle L0	Theoretical weight/kg
		L	L1	H1	H		D	D1	D2	L	L1	L2

25	6	60	25	20	60	5	M22*1.5	19.8	10	14	3	3	100	0.40
	10	69	30	27	72		M27*1.5	24.8	14	16			110	0.63
	15	87	41	37	92		M36*2	33	22	22	5		115	0.94
16	20	92	43	40	99	4		33	24	20	3	2	125	1.43
	25	103	50	42	108		M42*2	39	29	21			140	1.69
10	32	119	56	49	120	5	M48*2	45	36				160	3.21

Basic dimensions of TC type bronze cock：

Maximum working pressure/MPa	Nominal diameter DN/ mm	structure size				Wall thicknes st	Threaded joints D	Hexagonal side S	keyhole d	handle L0	Theoretical weight/kg
		L	L1	H1	H

0.1	10	58	14	21	58	3	M22*1.5	22	6	80	0.58
	15	67	18	26	65		M27*2	27		85	0.88
	20	81	220	32	77		M33*3	36	7	100	1.18
	25	98	22	37	90		M42*2	41	7	120	1.78

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