GB/T 3036-FFCS Flange Type Worm Drive Butterfly Valve - Precision Control for Marine & Industrial Pipelines

Product Details

GB/T 3036-FFCS Basic parameters of marine central butterfly valve：

Type

Nominal pressure PN/MPa

Maximum working pressure MPa

Valve body material code

Nominal diameter DN/mm

Note 1: When the valve seat ring material is NBR, the butterfly valve is suitable for seawater, fresh water, air, crude oil, heavy oil and other media with t ≤70℃.

Note 2: When the valve seat ring material is FPM, the butterfly valve is suitable for seawater, fresh water, air, crude oil, heavy oil lubricating oil, refined oil and other media with t<170℃.

A
B

10

1.0

G、T、QT、W

50～200

B

50～500

C

D

E

AS、FAS

6、10

0.6、1.0

50～200

BS、FBS、FFBS

50～700

CS、FCS

50～1000

FFCS

G、QT、W

50～800

DS、FDS

G、T、QT、W

FFDS

G、QT、W

ES、FES

G、T、QT、W

FFES

G、QT、W

AJ、FAJ

5K

0.5

G、T、QT、W

50～200

10K

1.0

BJ、FBJ

5K

0.5

50～700

10K

1.0

FFBJ

5K

0.5

G、QT、W

125～700

10K

1.0

CJ、FCJ

5K

0.5

G、T、QT、W

50～800

10K

1.0

FFCJ

5K

0.5

G、QT、W

125～800

10K

1.0

DJ、FDJ

5K

0.5

G、T、QT、W

50～800

10K

1.0

FFDJ

5K

0.5

G、QT、W

125～800

10K

1.0

EJ、FEJ

5K

0.5

G、T、QT、W

50～800

10K

1.0

FFEJ

5K

0.5

G、QT、W

125～800

10K

1.0

Main parts materials：

Part Name

Material

Code

name

Brand

standard encdoing

Valve body

G

Cast Steel

ZG230-450C

GB/T 4299-2013

T

grey cast iron

HT250

GB/T 9439-2010

QT

Ductile Iron

QT400-15

GB/T 1348-2009

W

Cast copper alloy

ZCuSn10Zn2

GB/T 1176-2013

Valve disc

-

Cast stainless steel

ZG07Cr19Ni9

GB/T 2100-2002

-

Cast stainless steel

CF8M

GB/T 12230-2005

-

Cast stainless steel

CF3M

-

Cast copper alloy

ZCuAI9Mn2

GB/T 1176-2013

Valve stem

-

Stainless steel

12Cr13

GB/T 1220-2007

Valve seat ring

N

Nitrile rubber

XA8433

GB/T 2811-1996

F

fluororubber

XD8423

FFCS Basic dimensions of type butterfly valve：

Nominal pressure PN/	Nominal diameter DN/ mm	Dimensions									Flange size				Handwheel		weightkg

		≈H	≈H1	H2	L	L1	L2	L3	L4	L5	D	D1	n	d	D0	S	QT	G	W
6	50	175	69	146	108	154	53	45	74	56	140	110	4	14	150	12	13.1	14.1	15.2
	65	182	79	156	112						160	130					15.5	16.2	17.7
	80	192	89	166	114						190	150		18			17.0	19.1	21.1
	100	210	135	181	127						210	170					21.4	23.3	25.0
	125	230	152	201	140						240	200	8				24.7	27.4	30.3
	150	265	172	228	140	180	77	63	100	77	265	225			200	14	39.2	43.5	47.4
	200	290	197	253	152						320	280					48.4	53.0	58.4
	250	330	233	291	165	220	81	78	107	82	375	335	12		250	17	65.3	72.2	79.7
	300	355	258	316	178						440	395		22			96.9	105.0	116.0
	350	415	284	358	190	300	130	120	160	130	490	445			300	19	122.0	134.0	148.0
	400	450	314	391	216						540	495	16				157.0	173.0	190.0
	450	475	344	424	222						595	550					192.0	211.0	232.0
	500	560	382	475	229	350	138		175	138	645	600	20			-	227.0	250.0	274.0
	600	630	444	545	267						755	705		26			253.0	384.0	422.0
	700	708	501	608	292	390	154	154	182	150	860	810	24		500		515.0	566.0	623.0
	800	768	563	668	318						975	920		29			664.0	729.0	802.0
10	50	175	69	146	108	154	53	45	74	56	165	125	4	18	150	12	14.0	15.1	16.5
	65	182	79	156	112						185	145					16.2	17.2	18.1
	80	192	89	166	114						200	160	8				18.3	20.1	22.3
	100	210	135	181	127						220	180					22.5	24.7	26.5
	125	230	152	201	140						250	210					25.5	28.2	31.7
	150	265	172	228	140	180	77	63	100	77	285	240		55	200	14	41.2	45.2	49.8
	200	290	197	253	152						340	295					50.1	55.5	60.1
	250	330	233	291	165	220	81	78	107	82	395	350	12		250	17	68.9	75.5	82.2
	300	355	258	316	178						445	400					100.0	110.0	121.0
	350	415	284	358	190	300	130	120	160	130	505	460			300	19	127.0	140.0	154.0
	400	450	314	391	216						565	515	16	26			164.0	180.0	198.0
	450	475	344	424	222						615	565					200.0	220.0	242.0
	500	560	382	475	229	350	138		175	138	670	620	20			-	237.0	260.0	286.0
	600	630	444	545	267						780	725		29			264.0	400.0	440.0
	700	708	501	608	292	390	154	154	182	150	895	840	24		500		537.0	590.0	649.0
	800	768	563	668	318						1015	950		32			692.0	760.0	836.0

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GB/T 3036-FFCS Flange Type Worm Drive Butterfly Valve - Precision Control for Marine & Industrial Pipelines

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