For flexible metering with excellent process reliability in the medium pressure range.
The hydraulic diaphragm metering pump Hydro/ 3 API 675 (HA3e) meets the requirements of API 675, among other things due to its full-motion drive and automatic bleeding. Some of the many drive options are also approved for use in areas at risk from explosion.
Your benefits
Excellent process reliability:
- PTFE multi-layer diaphragm with integral diaphragm rupture warning system
- Integrated hydraulic relief valve with ventilation function
- Metering reproducibility is better than ± 1% in the 10-100% stroke volume range under defined conditions and with proper installation.
Excellent flexibility:
- The modular construction with single and double head versions permits a wide range of applications, with the double head designs (boxer principle) being operated in push-pull mode
- It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
- 5 different gear ratios are available
Technical Details
- Stroke length: 15 mm, Rod force: 4,200 N
- Stroke volume adjustment range: 0 – 100 %
- Stroke volume adjustment: manually by scaled rotary dial (optionally with electric actuator or control drive).
- Metering reproducibility is better than ± 1 % within the 10 – 100% stroke volume range under defined conditions and with correct installation (API 675)
- PTFE multi-layer diaphragm with electrical diaphragm rupture warning system via a contact
- Integrated hydraulic relief and bleed valve
- Full-motion drive
- Wetted materials: PVDF, PTFE+25% carbon, stainless steel 1.4571, Hastelloy C.
- A wide range of power end versions is available: Three-phase AC or 1-phase AC motor, motors for use in areas at risk from explosion, different flange designs for use of customer-specific motors
- Degree of protection: IP 55
- Design in compliance with API 675
Technical data for HA3a 50 Hz
| Plunger Ø | Max. pressure | Max. pump capacity in l/h at strokes/min | Theor. stroke volume | Suction lift | Connection on suction/pressure side | Shipping weight |
|---|
| | | 60 | 125 | 150 | 187 | 214 | | | | |
|---|
| mm | bar | l/h | l/h | l/h | l/h | l/h | ml/stroke | m WC | G-DN | kg |
|---|
| 22 | 100 | – | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 64 | – | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 40 | – | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 25 | – | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 10 | – | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 26 | 64 | – | (35) – 43.5 | (40) – 51.5 | (55) – 63 | (65) – 73 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 40 | (18) – 21 | (37) – 45.5 | (40) – 55 | (50) – 71 | (70) – 81 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 25 | (15) – 21 | (30) – 49.5 | (40) – 59 | (55) – 74 | (70) – 84 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 10 | (15) – 22 | (30) – 49.5 | (35) – 61 | (50) – 77 | (80) – 87 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 32 | 40 | (25) – 25.5 | (50) – 66 | (70) – 80 | (65) – 101.5 | (70) – 116.5 | 12.0 | 3.0 | G 1 – 15 | 41 |
| 32 | 25 | (25) – 26.5 | (50) – 69 | (65) – 83 | (65) – 105.5 | (70) – 122.5 | 12.0 | 3.0 | G 1 – 15 | 41 |
| 32 | 10 | (22) – 31.5 | (50) – 74 | (70) – 90 | (60) – 112.5 | (65) – 129 | 12.0 | 3.0 | G 1 – 15 | 41 |
| 38 | 25 | (25) – 50.5 | (70) – 110.5 | (80) – 126 | (150) – 166 | (180) – 187 | 17.0 | 3.0 | G 1 – 15 | 41 |
| 38 | 10 | (30) – 51.5 | (80) – 111.5 | (90) – 135 | (150) – 168 | (180) – 191 | 17.0 | 3.0 | G 1 – 15 | 41 |
Note: The pump type with plunger diameter 22 mm currently does not comply with API 675.
The permitted design of the rate flow is possible in the stated range with pump selection in accordance with API 675 (adjustment range 1:10).
Example: with plunger 26 mm, pressure 25 bar and stroke rate 150 H/min gives (40) - 59, i. e. the adjustment range of 1:10 is met for a rate flow of between 40 l/h and 59 l/h.
Version PVDF max. 25 bar
* Version SST with double ball valve, valve connector on the suction-discharge side with female thread Rp 3/8, male thread G 3/4 - DN 10
Technical data for HA3a 60 Hz
| Plunger Ø | Max. pressure | Max. pump capacity in l/h at strokes/min | Theor. stroke volume | Suction lift | Connection on suction/pressure side | Shipping weight |
|---|
| | | 72 | 149 | 180 | 224 | | | | |
|---|
| mm | bar | l/h | l/h | l/h | l/h | ml/stroke | m WC | G-DN | kg |
|---|
| 22 | 100 | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 64 | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 40 | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 25 | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 22 | 10 | – | – | – | – | 5.7 | 3.0 | Rp 3/8 – 10-DKV* | 41 |
| 26 | 64 | (21.5) – 22.5 | (42) – 51.5 | (48) – 61.5 | (66) – 75 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 40 | (21.5) – 25 | (44) – 54 | (48) – 66 | (60) – 85 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 25 | (18) – 25 | (36) – 59 | (48) – 70.5 | (66) – 88.5 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 26 | 10 | (18) – 26 | (36) – 59 | (42) – 73 | (60) – 92 | 7.9 | 3.0 | G 3/4 – 10 | 41 |
| 32 | 40 | (30) – 30.5 | (60) – 78.5 | (84) – 96 | (78) – 121 | 12.0 | 3.0 | G 3/4 – 10 | 41 |
| 32 | 25 | (30) – 31.5 | (60) – 82 | (78) – 99.5 | (78) – 126 | 12.0 | 3.0 | G 3/4 – 10 | 41 |
| 32 | 10 | (26.5) – 37.5 | (60) – 88 | (84) – 108 | (72) – 134.5 | 12.0 | 3.0 | G 3/4 – 10 | 41 |
| 38 | 25 | (30) – 60.5 | (84) – 131 | (96) – 151 | (180) – 198 | 17.0 | 3.0 | G 3/4 – 10 | 41 |
| 38 | 10 | (36) – 61.5 | (96) – 132 | (108) – 162 | (180) – 201 | 17.0 | 3.0 | G 3/4 – 10 | 41 |
Materials in Contact With the Medium
| Material | Dosing head | Suction/pressure connector | Seals/ball seat | Balls |
|---|
| SST | Stainless steel 1.4571/1.4404 | Stainless steel 1.4581 | PTFE/stainless steel 1.4404 | Ceramic |
| PVT* | PVDF (polyvinylidene fluoride) | PVDF (polyvinylidene fluoride) | PTFE/PTFE | Ceramic |
| HCT | Hastelloy C | Hastelloy C | PTFE/Hastelloy C | Ceramic |
| TTT | PTFE + 25 % carbon | PVDF (polyvinylidene fluoride) | PTFE/PTFE | Ceramic |
* not for areas at risk from explosion
Motor Data
| Identity code specification | | Power supply | | | Remarks |
|---|
| S | 3-phase, IP 55 | 220 – 240 V/380 – 420 V
250 – 280 V/440 – 480 V | 50 Hz
60 Hz | 0.75 kW | |
| T | 3-phase, IP 55 | 220 – 240 V/380 – 420 V
265 – 280 V/440 – 480 V | 50 Hz
60 Hz | 0.75 kW | with PTC, speed control range 1:5 |
| R | 3-phase, IP 55 | 230 V/400 V | 50/60 Hz | 0.75 kW | with PTC, speed control range 1:20, with external fan 1-phase 230 V; 50/60 Hz |
| V0 | 1-phase, IP 55 | 230 V ±10 % | 50/60 Hz | 0.75 kW | Variable speed motor with integrated frequency converter |
| L1 | 3-phase,
II 2G Ex b IIC T3 Gb | 220 – 240 V/380 – 420 V | 50 Hz | 0.75 kW | |
| L2 | 3-phase,
II 2G Ex de IIC T4 | 220 – 240 V/380 – 420 V | 50 Hz | 0.75 kW | with PTC, speed control range 1:5 |
| P1 | 3-phase,
II 2G Ex e II T3 | 254 – 277 V/440 – 480 V | 60 Hz | 0.75 kW | |
| P2 | 3-phase,
II 2G Ex de IIC T4 | 254 – 277 V/440 – 480 V | 60 Hz | 0.75 kW | with PTC, speed control range 1:5 |
| V2 | 3-phase,
II 2G Ex db IIC T3...T6 Gb | 400 V ±10 % | 50/60 Hz | 0.75 kW | Ex-variable speed motor with integrated frequency converter |
Motor data sheets can be requested for more information. Special motors or special motor flanges are available on request.
The motors are designed in compliance with the Ecodesign Directive 2009/125/EC.
Information for use in areas at risk from explosion
Only use pumps with the appropriate labelling in line with the ATEX Directive 2014/34/EU in premises at risk from explosion. Ensure that the explosion group, category and degree of protection specified on the label corresponds to or is better than the conditions prevalent in the intended field of application.
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