Pressure Vessel
Bladder Surge Tank
Nominal Volume Range: 50 – 10,000 L
Pressure Ratings: 10 / 16 / 25 bar
Factory Pre-charge: 4 bar
Operating Temperature: -10 °C (avoid freezing) to 90 °C
Tank Material: Carbon Steel
Water Connection: Stainless Steel
Standards: EN 13831:2007
Compliance: PED 2014/68/EU; ASME optional
Bladder Surge Tank for Water Hammer Control
A bladder surge tank is used to stabilize pressure, absorb hydraulic shock and reduce water hammer in booster pump systems, HVAC circulation loops, high-rise building water supply and industrial process water lines. Fete Vessel supplies replaceable membrane bladder surge tanks from 50 L to 10,000 L with 10 bar, 16 bar and 25 bar pressure ratings.
50 L - 10,000 L
Volume range for small booster sets, building water supply and large pipeline surge control.
10 / 16 / 25 bar
Standard pressure ratings for common bladder surge tank and pressure vessel projects.
Replaceable bladder
Serviceable membrane design separates water from gas and supports long-term maintenance.
EN / PED / ASME
Available for EN13831, PED and ASME-related pressure vessel documentation needs.
Application focus
01
Water hammer protection
Absorbs pressure surges caused by pump start-stop, valve closing and sudden flow changes.
02
Pressure stabilization
Helps maintain stable system pressure in booster, hydrophore and circulation systems.
03
Replaceable bladder
The membrane separates water and gas, reducing corrosion risk and simplifying maintenance.
04
Project sizing support
Selection can be based on flow rate, pump data, pressure range and pipeline volume.
Typical systems
High-rise buildings
Hotels, hospitals, apartments and commercial water supply systems.
Booster pump stations
Pressure tanks for pump cycling control and surge damping.
Industrial water lines
Process water, chilled water and hot water circulation applications.
Key Design Features
Tank and bladder construction
Carbon steel pressure vessel
Robust tank body for water pressure stabilization and surge control duty.
Replaceable membrane
EPDM or butyl bladder options support potable water, booster and expansion applications.
Stainless steel water connection
Water-side connection is selected for practical installation and corrosion resistance.
Operation and compliance
Factory pre-charge
Standard 4 bar pre-charge supports easier commissioning and pressure adjustment on site.
Temperature range
Designed for water systems up to 90 °C; avoid freezing conditions below the minimum operating range.
Standards and inspection
Designed to EN13831:2007 and available for PED 2014/68/EU or ASME project requirements.
How to Select a Bladder Surge Tank
- 01System typeBooster pump, HVAC, hot water, process water or pipeline surge protection.
- 02Pressure rangeConfirm working pressure, pump cut-in / cut-out pressure and safety valve setting.
- 03Flow and pipeline dataFlow rate, pipe size and expected surge condition affect tank volume selection.
- 04Installation spaceCheck tank diameter, height, connection position and service clearance.
- 05Water qualitySelect bladder and connection material according to potable water or industrial water duty.
- 06Maintenance planCheck pre-charge regularly; three-month inspection is recommended for stable operation.
10 bar series
Common building water supply and pump station pressure tank selection.
16 bar series
Higher working pressure option for booster and industrial water systems.
25 bar series
Pressure surge vessel range for demanding water hammer control conditions.
Bladder Surge Tank Models and Dimensions
The following model table lists common bladder surge tank sizes, connections, dimensions and gross weight for 10 bar, 16 bar and 25 bar designs. For final selection, confirm the operating pressure, required tank volume, water connection and local pressure vessel code before production.
Bladder Surge Tank Models and Dimensions
| Model Number | Nominal Volume [L] | Connection | Dimensions [mm] | Installation Dimensions [mm] | Gross Weight [kg] | ||||
| F | A | B | C | D | E | G | |||
| 10 bar | |||||||||
| SFB-INT-100LV | 100 | 1” BSPT (M) | 897 | 480 | 350 | 60*60 | 170 | 14 | 20 |
| SFB-INT-150LV | 150 | 1” BSPT (M) | 933 | 590 | 460 | 60*60 | 150 | 14 | 25 |
| SFB-INT-200LV | 200 | 1 1/4” BSPT (M) | 1073 | 590 | 460 | 60*60 | 150 | 14 | 40 |
| SFB-INT-300LV | 300 | 1 1/4” BSPT (M) | 1238 | 680 | 480 | 60*70 | 217 | 14 | 51 |
| SFB-INT-500LV | 500 | 1 1/4” BSPT (M) | 1561 | 756 | 530 | 80*80 | 195 | 14 | 99 |
| SFB-INT-750LV | 750 | 2” BSPT (M) | 1834 | 756 | 530 | 80*80 | 190 | 14 | 121 |
| SFB-INT-850LV | 850 | 2” BSPT (M) | 1976 | 806 | 590 | 100*100 | 280 | 20 | 134 |
| SFB-INT-1000LV | 1000 | 2” BSPT (M) | 2376 | 806 | 590 | 100*100 | 280 | 20 | 169 |
| SFB-INT-1500LV | 1500 | 2” BSPT (M) | 2435 | 958 | 690 | 100*100 | 270 | 20 | 258 |
| SFB-INT-2000LV | 2000 | 2” BSPT (M) | 2505 | 1110 | 760 | 100*100 | 270 | 20 | 363 |
| SFB-INT-3000LV | 3000 | DN150 | 3175 | 1210 | 900 | 150*150 | 230 | 24 | 630 |
| SFB-INT-4000LV | 4000 | DN150 | 3378 | 1410 | 1050 | 150*150 | 230 | 24 | 747 |
| SFB-INT-5000LV | 5000 | DN150 | 3778 | 1410 | 1050 | 150*150 | 230 | 24 | 838 |
| SFB-INT-6000LV | 6000 | DN150 | 4578 | 1410 | 1050 | 150*150 | 230 | 24 | 978 |
| SFB-INT-10000LV | 10000 | DN150 | 5840 | 1610 | 1100 | 150*150 | 210 | 24 | 1380 |
| 16 bar | |||||||||
| SMB-INT-150LV | 150 | 1” BSPT (M) | 935 | 590 | 460 | 60*60 | 150 | 14 | 41 |
| SMB-INT-200LV | 200 | 1¼” BSPT (M) | 1075 | 590 | 460 | 60*60 | 150 | 14 | 51 |
| SMB-INT-300LV | 300 | 1¼” BSPT (M) | 1240 | 680 | 480 | 60*70 | 217 | 14 | 65 |
| SMB-INT-500LV | 500 | 1¼” BSPT (M) | 1565 | 760 | 530 | 80*80 | 190 | 14 | 160 |
| SMB-INT-750LV | 750 | 2” BSPT (M) | 1862 | 760 | 530 | 80*80 | 190 | 14 | 187 |
| SMB-INT-850LV | 850 | 2” BSPT (M) | 1976 | 810 | 590 | 100*100 | 280 | 20 | 203 |
| SMB-INT-1000LV | 1000 | 2” BSPT (M) | 2376 | 810 | 590 | 100*100 | 280 | 20 | 258 |
| SMB-INT-1500LV | 1500 | 2” BSPT (M) | 2443 | 962 | 690 | 100*100 | 270 | 20 | 362 |
| SMB-INT-2000LV | 2000 | 2” BSPT (M) | 2511 | 1116 | 760 | 100*100 | 270 | 20 | 572 |
| SMB-INT-3000LV | 3000 | DN150 | 3177 | 1212 | 900 | 150*150 | 230 | 24 | 710 |
| SMB-INT-4000LV | 4000 | DN150 | 3384 | 1416 | 1050 | 150*150 | 230 | 24 | 1051 |
| SMB-INT-5000LV | 5000 | DN150 | 3784 | 1416 | 1050 | 150*150 | 230 | 24 | 1185 |
| SMB-INT-6000LV | 6000 | DN150 | 4584 | 1416 | 1050 | 150*150 | 230 | 24 | 1408 |
| SMB-INT-10000LV | 10000 | DN150 | 5846 | 1616 | 1200 | 150*150 | 210 | 24 | 2036 |
| 25 bar | |||||||||
| SUB-INT-50LV | 50 | 1” BSPT (M) | 740 | 380 | 295 | 60*60 | 130 | 14 | 26 |
| SUB-INT-60LV | 60 | 1” BSPT (M) | 820 | 380 | 295 | 60*60 | 130 | 14 | 28 |
| SUB-INT-80LV | 80 | 1” BSPT (M) | 965 | 460 | 350 | 60*60 | 130 | 14 | 57 |
| SUB-INT-100LV | 100 | 1” BSPT (M) | 985 | 460 | 350 | 60*60 | 130 | 14 | 58 |
| SUB-INT-150LV | 150 | 1” BSPT (M) | 1060 | 510 | 400 | 60*60 | 125 | 14 | 68 |
| SUB-INT-200LV | 200 | 1¼” BSPT (M) | 1109 | 612 | 460 | 60*60 | 115 | 14 | 115 |
| SUB-INT-300LV | 300 | 1¼” BSPT (M) | 1301 | 666 | 480 | 80*80 | 190 | 14 | 173 |
| SUB-INT-500LV | 500 | 1¼” BSPT (M) | 1594 | 766 | 530 | 80*80 | 190 | 14 | 237 |
| SUB-INT-750LV | 750 | 2” BSPT (M) | 1866 | 766 | 530 | 80*80 | 190 | 14 | 281 |
| SUB-INT-850LV | 850 | 2” BSPT (M) | 1984 | 816 | 590 | 100*100 | 280 | 20 | 325 |
| SUB-INT-1000LV | 1000 | 2” BSPT (M) | 2384 | 816 | 590 | 100*100 | 280 | 20 | 403 |
| SUB-INT-1500LV | 1500 | 2” BSPT (M) | 2447 | 970 | 690 | 100*100 | 270 | 20 | 581 |
| SUB-INT-2000LV | 2000 | 2” BSPT (M) | 2519 | 1124 | 760 | 100*100 | 270 | 20 | 831 |
| SUB-INT-3000LV | 3000 | DN150 | 3185 | 1220 | 900 | 150*150 | 230 | 24 | 1071 |
| SUB-INT-4000LV | 4000 | DN150 | 3388 | 1420 | 1050 | 150*150 | 230 | 24 | 1290 |
| SUB-INT-5000LV | 5000 | DN150 | 3788 | 1420 | 1050 | 150*150 | 230 | 24 | 1451 |
| SUB-INT-6000LV | 6000 | DN150 | 4588 | 1420 | 1050 | 150*150 | 230 | 24 | 1730 |
| SUB-INT-10000LV | 10000 | DN150 | 5854 | 1624 | 1200 | 150*150 | 210 | 24 | 2953 |
| *BSPT (M) = BSP tapered male threads PRESSURE TANKS WITH REPLACEABLE MEMBRANE |
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| Brand Name: | Fete Vessel | Design Standard: | ASME, PED, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 3 years | Production standard: | GB150.ASME.European standard. |
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Replacement support
Bladder Surge Tank selection and replacement support
Fete Vessel supports engineers and purchasing teams who need a reliable replacement for Bladder Surge Tank. Share the compressor model, cooler dimensions, drawings, operating pressure, temperature, medium, and old part photos, and our team will compare the details before recommending a suitable manufacturing plan.
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We review cooler dimensions, nozzle position, mounting size, drawings, old part photos, and site installation details.
Material and test
Each order can be checked for material, tube bundle layout, pressure test requirements, coating, packing, and delivery schedule.
Repair or replace
For urgent maintenance projects, we can help check whether an existing cooler can be repaired, retubed, or replaced.
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