ASME Pressure Accumulators and bladder

Product Item：123

Description

ASME Pressure Accumulators and bladder

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 .

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

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

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