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Bladder

1.Model code
B－15G－7/8UNF－N－A
1、Category：
B－Bladder
2、Volume size：
GAL－USA Standard；1QT / 1PT / CI(cu.in.)
L－EU Standard & China Standard
3、Gas Stem Type
M24；M30；M50；5/8UNF；7/8UNF
4、Rubber material：
Standard NBR(N)－
5、Structure：
A－USA
E－EU Standard
C－China Standard

Number of views:

1000

Category

Bladder

Quantity

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Details

1.Model code

B－15G－7/8UNF－N－A
1 2 3 4 5
1、Category：
B－Bladder
2、Volume size：
GAL－USA Standard；1QT / 1PT / CI(cu.in.)
L－EU Standard & China Standard
3、Gas Stem Type
M24；M30；M50；5/8UNF；7/8UNF
4、Rubber material：
Standard NBR(N)－
5、Structure：
A－USA
E－EU Standard
C－China Standard

Example：
A bladder for 1PT accumulator，Standard Buna N Aromatic Resistant，the thread of the gas stem is 5/8UNF。The type of the bladder is B－1PT－5/8UNF－N－A .

2.Standard bladder compounds (the bladder can be supplied with the following choices of compounds to render it compatible with the system fluid).

CODE	Rubber material		Operating temp range / ℃	Compatible liquid
N	Nitrile rubber	NBR	-20～80	Mineral oil, vegetable oil, silicon and lubricating oil, diesel oil, kerosene, fuel oil, flame retardant liquid (HFA, HFB, HFC) not exceeding 100 ℃, water, seawater, etc
L	Low temperature nitrile rubber	Low Temp NBR	-40～80
H	High temperature nitrile rubber	High Temp NBR	-20～105
Q	Hydrogenated nitrile rubber	HNBR	-30～140
O	Chloroether rubber	ECO	-30～120	Unleaded gasoline, mineral oil
E	EPDM rubber	EPDM	-50～130	Brake fluid, hot water, detergent, water glycol, various acids and bases, hydrochloric acid, etc
F	Fluororubber	FFM(Viton )	-10～140	Mineral oil, some inorganic acids, freon
C	Neoprene	Chloroprene	-23～110	Some freon, water and aqueous solution, ammonia, carbon dioxide, mineral oil, paraffin and silicone oil
I	Butyl rubber	Butyl（IIR）	-45～125	Phospholipids (hfd-r), hot water, ammonia, caustic soda, glycol based brake fluid, alcohol, etc

For special liquids, consult our technicians.

3.Sizes and dimensions

Type and dimensions of bladder ( China national standard )

Accumulator specification		C mm	D mm	E mm	B mm	A mm	Accumulator specification			C mm	D mm	E mm	B mm	A mm
external diameterφ	volumeL						external diameterφ		vplume L
89	0.4	77	M16×1.5	M24×1.5	44	89	152		1.6	132	M16×1.5	M30×1.5	50	144
	0.63					144			2.5					210
	1					260			4					312
114	1	98				150			6.3					486
219	10	190	M16×1.5	M30×1.5	60	415	299	25		262	M16×1.5	M30×1.5	77	470
	16					615		40						740
	20					755		50						920
	25					925		63						1180
	32					1170		80						1440
	40					1405		100						1880
	50					1645		125						2300
229	10	200	M16×1.5	M30×1.5	80	320	351	63		312	M16×1.5	M50×1.5	80	780
	20					589		80						1000
	25					760		100						1280
	32					1108		125						1590
	40					1258		160						2050
	50					1625		180						2300
	54					1711		200						2580

Type and dimensions of other bladder

external diameterφ	volume	C	D	E	A
267	20	229	110	89	500
	30				735
	40				960
	50				1280
	60				1420

American or European standard dimensions

Accumulator specification			C mm	D inch	E inch	B mm	A mmexternal diameter
φ	EU standard	US standard	C mm	D inch	E inch	B mm	A mmexternal diameter
89	0.5 L	1 PT	70	3/8-24UNF	5/8 UNF	30	120
114	1 L	1 QT	96	3/8-24UNF	5/8 UNF 7/8 UNF	30	145
	1.5 L	1.5 QT					226
	2.0 L	——					280
	2.5 L	150 CI					320
	4L	——					530
	5L	——					665
168 180	4 L	1 Gal	144	1/2-20UNF	7/8-14 UNF	30	195
	5 L	——					290
	6 L	1.5 Gal					320
	10 L	2.5 Gal					580
219 229 245	10 L	2.5 Gal	200	1/2-20UNF	7/8-14 UNF M50×1.5	41	320
	12 L	——					360
	13 L	——					415
	15 L	——					440
	20 L	5 Gal					589
	25 L	——					760
	32 L	10 Gal					1108
	40 L	11 Gal					1258
	——	12.5 Gal					1550
	50 L	14 Gal					1625
	54 L	15 Gal					1711
299	25 L	6.5 Gal	262	1/2-20UNF	M30×1.5 M50×1.5	80	470
	40 L	10 Gal					740
	50 L	13 Gal					920
	63 L	16 Gal					1180
	80 L	20 Gal					1440
	100 L	25 Gal					1880
	125 L	32 Gal					2300
351	63 L	16 Gal	312	1/2-20UNF	M50×1.5	80	780
	80 L	20 Gal					1000
	100 L	25 Gal					1280
	125 L	32 Gal					1590
	160 L	40 Gal					2050
	180 L	45 Gal					2300
	200 L	50 Gal					2580

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BUCCMA

Buccma was established in Jinnan economic and Technological Development Zone, Tianjin in 1997. The workshop covers an area of 5000 m2 and has more than 120 employees...