Hydac

Fabricated Bladders

QHP LTD provide carbon and stainless steel fabricated bladder accumulators in a range of standard sizes from 1 to 50 litres with specials available from 70 to 450 Litre upon request in a range of materials to suit topside and sub-sea applications with design pressures exceeding 350 bar.

Design features include:
Carbon, 316 and 304 stainless steel construction 
Duplex, Super Duplex and 6Mo available on request
Working pressures upto 400 bar
Vessel diameters upto 560mm
Optional bladder and seal materials to suit temperature & system fluids
Internal & external protective coatings

Designs in accordance with:
ASME VIII Div.1 with the option of ‘U’ stamp & National Board Registration
BS EN 14359:2006
PD5500 Boiler & Pressure Vessel standard
AS1210 Australian pressure vessel standard
Others available on request

Complying with the requirements of:
PED97/23/EC (CE Marked)
Algerian ARH
Malaysian DOSH
Russian GOST
AS4343 Worksafe & Workplace Design Verification
Others available on request

Benefits:
Lower weight compared with piston accumulator construction
Complete separation of gas and fluid
High discharge velocities 
No pressure differential between fluid and gas side
Highly resistant to fluid contamination
Low maintenance, trouble free operation
Readily available, low cost replacement parts
Low inertia and fast response to pressure changes