Overview
White Knight Teflon® PTFE and PFA pulse dampeners reduce pulsation, improve flow control and increase batch yields. These in-line and top mount dampeners protect system components such as filters, fittings and pipes to minimize downtime for repairs.
Top-mounted DBA030 pulse dampener with PSA030 ambient temperature pump.
In-line DBU060 pulse dampener with
PSU060 ultra-high temperature pump.
DBA Series Pulse Dampeners
Designed for PFA, PSA and PXA Series pumps capable of pressures up to 7 Bar (100 psi) and temperatures up to 100°C (212°F).
DBA Series Pulse Dampeners
DBH Series Pulse Dampeners
Designed for PFH, PSH and PXH Series pumps capable of operating at pressures up to 5.5 Bar (80 psi) and in temperatures up to 145°C (293°F).
DBH Series Pulse Dampeners
DBU Series Pulse Dampeners
Designed for PFU, PSU and PXU Series pumps capable of operating at pressures up to 7 Bar (100 psi) and in temperatures up to 210°C (410°F).
DBU Series Pulse Dampeners
Features & Benefits
- Up to 84% pulsation reduction minimizes system vibration and down time for repairs, and increases chip yield
- Protect system components, including piping, gauges, transducers, switches, filter media, filter bags, and other in-line instrumentation
- Flow-specific models for 30, 60, and 140 lpm pumps
- Top-mount and in-line options in various sizes to increase dampening or reduce footprint
- Auto-leveling provides constant, active adjustment for more system control and increased chip yields
- Dead-head capable operation
- Chemically resistant Teflon® PTFE and PFA flow path for high-purity chemicals
- Metal-free design provides safe, leak-free operation without possibility of contamination
- Enhances meter performance
- Minimal parts for durable design
- Class 100 cleanroom assembly, testing, and packaging
- Easy to install and service
- Various liquid connection options
- No preventative maintenance during two-year warranty
Operation
Supply Air Exhaust Air Liquid
Pulsation Curves
The amount of pulsation reduced depends on the pump, dampener, and air supply pressure. Please select options below for the corresponding pulsation data. Dampeners with 030 bellows fit 30 and 60 lpm pumps. Dampeners with 060 bellows fit 30, 60 and 140 lpm pumps. Dampeners with 140 bellows fit 60 and 140 lpm.
Pressure Drop
Dimensions
Dimensions: mm [in]
Model | DBA030 | DBA060 | DBA140 |
|---|---|---|---|
A | 105 ( 4.1) | 140 ( 5.5) | 222 ( 8.7) |
B | 210 (8.3) | 220 (8.7) | 253 (10.0) |
C | 57 (2.3) | 57 (2.3) | 80 (3.2) |
D | 161 (6.3) | 168 (6.6) | 188 (7.4) |
E | 188 (7.4) | 196 (7.7) | 230 (9.0) |
F | 27 (1.1) | 28 (1.1) | 42 (1.6) |
G | 31 (1.2) | 35 (1.4) | 42 (1.6) |
H | 13 (0.5) | 13 (0.5) | 13 (0.5) |
I | 79 (3.1) | 79 (3.1) | 79 (3.1) |
J | 175 (6.9) | 198 (7.8) | 238 (9.4) |
K | 51 (2.0) | 51 (2.0) | 51 (2.0) |
L | 14 (0.6) | 14 (0.6) | 14 (0.6) |
M | 25 (1.0) | 25 (1.0) | 25 (1.0) |
N | 40 (1.5) | 40 (1.5) | 40 (1.5) |
*DBA030 dimensions 'D' and 'E' increase by 0.27 in. when configured to a 60 liter pump (configuration DBA030-T060).
Dimensions: mm [in]
Model | DBH030 | DBH060 | DBH140 |
|---|---|---|---|
A | 116 (4.6) | 146 (5.8) | 225 (8.9) |
B | 210 (8.3) | 220 (8.7) | 253 (10.0) |
C | 57 (2.3) | 57 (2.3) | 80 (3.2) |
D | 161 (6.3) | 163 (6.4) | 188 (7.4) |
E | 188 (7.4) | 196 (7.7) | 230 (9.0) |
F | 27 (1.1) | 33 (1.3) | 42 (1.6) |
G | 31 (1.2) | 35 (1.4) | 42 (1.6) |
H | 13 (0.5) | 13 (0.5) | 13 (0.5) |
I | 79 (3.1) | 79 (3.1) | 79 (3.1) |
J | 165 (6.5) | 196 (7.7) | 238 (9.4) |
K | 51 (2.0) | 51 (2.0) | 51 (2.0) |
L | 14 (0.6) | 14 (0.6) | 14 (0.6) |
M | 25 (1.0) | 25 (1.0) | 25 (1.0) |
N | 40 (1.6) | 40 (1.6) | 40 (1.6) |
*DBH030 dimensions 'D' and 'E' increase by 0.27 in. when configured to a 60 liter pump (configuration DBH030-T060).
Dimensions: mm [in]
Model | DBU030 | DBU060 |
|---|---|---|
A | 140 ( 5.5) | 146 ( 5.8) |
B | 211 (8.3) | 220 (8.7) |
C | 57 (2.3) | 57 (2.3) |
D | 163 (6.4) | 163 (6.4) |
E | 198 (7.8) | 196 (7.7) |
F | 35 (1.4) | 33 (1.3) |
G | 31 (1.2) | 35 (1.4) |
H | 13 (0.5) | 13 (0.5) |
I | 79 (3.1) | 79 (3.1) |
J | 166 (6.5) | 198 (7.8) |
K | 51 (2.0) | 51 (2.0) |
L | 14 (0.6) | 14 (0.6) |
M | 25 (1.0) | 25 (1.0) |
N | 40 (1.6) | 40 (1.6) |
Specifications
Model | ||||||||
|---|---|---|---|---|---|---|---|---|
Max Fluid Temperature | 100°C (212°F) | 100°C (212°F) | 100°C (212°F) | 145°C (293°F) | 145°C (293°F) | 145°C (293°F) | 210°C (410°F) | 210°C (410°F) |
Max Supply Air Pressure | 7 Bar (100 psi) | 7 Bar (100 psi) | 7 Bar (100 psi) | 5.5 Bar (80 psi) | 5.5 Bar (80 psi) | 5.5 Bar (80 psi) | 7 Bar (100 psi) | 7 Bar (100 psi) |
Pulsation Removed | ≤ 76% | ≤ 84% | ≤ 93% | ≤ 76% | ≤ 84% | ≤ 93% | ≤ 76% | ≤ 84% |
Compatible Pump Models | ||||||||
Cv (in-line only) -with I030 base -with I060 base -with I140 base | 3 14 n/a | 3 14 28 | n/a 14 28 | 3 14 n/a | 3 14 28 | n/a 14 28 | 3 14 n/a | 3 14 28 |
Min Air Consumption (SCFM)* | 0.2 | 0.2 | 0.6 | 0.2 | 0.2 | 0.6 | 0.2 | 0.2 |
Max Air Consumption (SCFM)* | 3.5 | 4.0 | 5.6 | 3.5 | 4.0 | 5.6 | 3.5 | 4.0 |
Fluid Path Materials | PTFE/PFA | PTFE/PFA | PTFE/PFA | PTFE/PFA | PTFE/PFA | PTFE/PFA | PTFE/PFA | PTFE/PFA |
Model |
*Utilizing same size pump at 100 psi / 20 psi
High-Purity Closed-Loop Pump Systems
Automatically maintain flow or pressure with metal-free closed-loop control systems capable of high temperatures, high pressures, high flow rates, dead-head and suction lift!
White Knight’s closed-loop systems provide complete control of high-purity chemical processes and delivery systems. They simplify process automation to save customers’ time and resources, and they reduce costs by eliminating the need for expensive pressure systems.
- ≤ 140 lpm (36 gpm) flow rates
- ≤ 7 Bar (100 psi) pressures
- ≤ 210°C (410°F) temperatures
- No metals or elastomer O-rings
- No impellers or electric motors
- Maintain stable temperatures
High-Purity Closed-Loop Systems
