The main business of the company is: bladder accumulator, Diaphragm accumulator, Piston Type Accumulator, oxygen cylinder, CO2 cylinder, gas cylinder, nitrogen gas cylinder, Welcome to inquire and negotiate cooperation by phone.
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Products

Bladder & Diaphragm

1.Model code
B-15G-7/8UNF-N-A
1、Category:
B-Bladder
D-Diaphragm
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

  • Product Detail

1.Model code

B-15G-7/8UNF-N-A
1      2        3       4   5   
1、Category:
B-Bladder
D-Diaphragm
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).

CODERubber materialRubber materialOperating temp range / ℃Compatible liquid
NNitrile rubberNBR-20~80Mineral oil, vegetable oil, silicon and lubricating oil, diesel oil, kerosene, fuel oil, flame retardant liquid (HFA, HFB, HFC) not exceeding 100 ℃, water, seawater, etc
LLow temperature nitrile rubberLow Temp NBR-40~80Mineral oil, vegetable oil, silicon and lubricating oil, diesel oil, kerosene, fuel oil, flame retardant liquid (HFA, HFB, HFC) not exceeding 100 ℃, water, seawater, etc
HHigh temperature nitrile rubberHigh Temp NBR-20~105Mineral oil, vegetable oil, silicon and lubricating oil, diesel oil, kerosene, fuel oil, flame retardant liquid (HFA, HFB, HFC) not exceeding 100 ℃, water, seawater, etc
QHydrogenated nitrile rubberHNBR-30~140Mineral oil, vegetable oil, silicon and lubricating oil, diesel oil, kerosene, fuel oil, flame retardant liquid (HFA, HFB, HFC) not exceeding 100 ℃, water, seawater, etc
OChloroether rubberECO-30~120Unleaded gasoline, mineral oil
EEPDM rubberEPDM-50~130Brake fluid, hot water, detergent, water glycol, various acids and bases, hydrochloric acid, etc
FFluororubberFFM(Viton )-10~140Mineral oil, some inorganic acids, freon
CNeopreneChloroprene-23~110Some freon, water and aqueous solution, ammonia, carbon dioxide, mineral oil, paraffin and silicone oil
IButyl rubberButyl(IIR)-45~125Phospholipids (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 specificationAccumulator specificationCDEBAAccumulator specificationAccumulator specificationCDEBA
external diameterφvolumeLmmmmmmmmmmexternal diameterφvplume Lmmmmmmmmmm
890.477M16×1.5M24×1.544891521.6132M16×1.5M30×1.550144
890.6377M16×1.5M24×1.5441441522.5132M16×1.5M30×1.550210
89177M16×1.5M24×1.5442601524132M16×1.5M30×1.550312
114198M16×1.5M24×1.5441501526.3132M16×1.5M30×1.550486
21910190M16×1.5M30×1.56041529925262M16×1.5M30×1.577470
21916191M16×1.5M30×1.56061529940262M16×1.5M30×1.577740
21920192M16×1.5M30×1.56075529950262M16×1.5M30×1.577920
21925193M16×1.5M30×1.56092529963262M16×1.5M30×1.5771180
21932194M16×1.5M30×1.560117029980262M16×1.5M30×1.5771440
21940195M16×1.5M30×1.5601405299100262M16×1.5M30×1.5771880
21950196M16×1.5M30×1.5601645299125262M16×1.5M30×1.5772300
22910200M16×1.5M30×1.58032035163312M16×1.5M50×1.580780
22920200M16×1.5M30×1.58058935180312M16×1.5M50×1.5801000
22925200M16×1.5M30×1.580760351100312M16×1.5M50×1.5801280
22932200M16×1.5M30×1.5801108351125312M16×1.5M50×1.5801590
22940200M16×1.5M30×1.5801258351160312M16×1.5M50×1.5802050
22950200M16×1.5M30×1.5801625351180312M16×1.5M50×1.5802300
22954200M16×1.5M30×1.5801711351200312M16×1.5M50×1.5802580

Type and dimensions of other bladder

external diameterφvolumeCDEA
2672022911089500
2673022911089735
2674022911089960
26750229110891280
26760229110891420

American or European standard dimensions

Accumulator specificationAccumulator specificationAccumulator specificationCDEBA
φEU standardUS standardmminchinchmmmmexternal diameter
890.5 L1 PT703/8-24UNF5/8 UNF30120
1141 L1 QT963/8-24UNF5/8 UNF30145
1141.5 L1.5 QT963/8-24UNF7/8 UNF31226
1142.0 L——963/8-24UNF7/8 UNF32280
1142.5 L150 CI963/8-24UNF7/8 UNF33320
1144L——963/8-24UNF7/8 UNF34530
1145L——963/8-24UNF7/8 UNF35665
1684 L1 Gal1441/2-20UNF7/8-14 UNF30195
1805 L——1441/2-20UNF7/8-14 UNF30290
1806 L1.5 Gal1441/2-20UNF7/8-14 UNF30320
18010 L2.5 Gal1441/2-20UNF7/8-14 UNF30580
21910 L2.5 Gal2001/2-20UNF7/8-14 UNF41320
22912 L——2001/2-20UNFM50×1.541360
24513 L——2001/2-20UNFM50×1.541415
24515 L——2001/2-20UNFM50×1.541440
24520 L5 Gal2001/2-20UNFM50×1.541589
24525 L——2001/2-20UNFM50×1.541760
24532 L10 Gal2001/2-20UNFM50×1.5411108
24540 L11 Gal2001/2-20UNFM50×1.5411258
245——12.5 Gal2001/2-20UNFM50×1.5411550
24550 L14 Gal2001/2-20UNFM50×1.5411625
24554 L15 Gal2001/2-20UNFM50×1.5411711
29925 L6.5 Gal2621/2-20UNFM30×1.580470
29940 L10 Gal2621/2-20UNFM50×1.580740
29950 L13 Gal2621/2-20UNFM50×1.580920
29963 L16 Gal2621/2-20UNFM50×1.5801180
29980 L20 Gal2621/2-20UNFM50×1.5801440
299100 L25 Gal2621/2-20UNFM50×1.5801880
299125 L32 Gal2621/2-20UNFM50×1.5802300
35163 L16 Gal3121/2-20UNFM50×1.580780
35180 L20 Gal3121/2-20UNFM50×1.5801000
351100 L25 Gal3121/2-20UNFM50×1.5801280
351125 L32 Gal3121/2-20UNFM50×1.5801590
351160 L40 Gal3121/2-20UNFM50×1.5802050
351180 L45 Gal3121/2-20UNFM50×1.5802300
351200 L50 Gal3121/2-20UNFM50×1.5802580

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