Hygienic design: Meter precisely and hygienically
The hygienic design version of the sigma diaphragm metering pumps is optimised in terms of dead space, features as few gaps as possible and has smooth, wetted surfaces for flexible and easy use in hygienically sensitive applications.
The simple construction and smooth surface make easy CIP possible and allow the device to be dismantled at speed. Ball non-return valves and EPDM seals ensure gentle and reliable metering for tasks with strict hygiene requirements (when working with aqueous foods or food additives).
The DGUV test certificate for "Sigma metering pumps in the hygienic design" with its extensive testing provides additional peace of mind – a huge benefit for ProMinent customers.
Like all intelligent ProMinent metering pumps, the sigma product range can be flexibly controlled using a highly diverse range of signals. Designed for continuous operation, hermetically sealed and without a shaft passage into the metering chamber, providing simple and reliable handling. The PTFE multi-layer diaphragm The multi-layer diaphragm (a minimum of two diaphragm layers on top of each other) prevents the escape of the feed chemical in the event of a fault. more in the glossary with diaphragm rupture control as standard offers additional process reliability.
Your benefits
- Process reliability thanks to PTFE multi-layer safety diaphragm with condition monitoring
- Fast CIP, reliable operation and easy handling
- Simple construction, optimised in terms of dead space and small number of parts, reliable operation, no shaft passage into the media chamber
- Precise metering thanks to the option for adjusting the metering volume in 1% steps by means of stroke rate and stroke length
- Physiologically safe wetted materials (FDA and 1935/2004); reliable and flexible Sigma motor-driven metering pump with ball non-return valves enables a wide range of applications
- Flexibly connectible: connection to process control systems via integrated PROFIBUS®, CANopen interface
Field of application
The following list is a general representation of basically suitable applications for this product. Please contact your personal representative to discuss the use of the product in your individual application.
Metering of aqueous foods or food additives in the food and beverage industry. Example:
- Metering of dyes, e.g. beta carotene
- Metering of aromas, flavour additives, sugar solutions, additives
- Metering of enzymes, stabilisers, liquid yeasts
Technical Details
Capacity ranges:
- sigma/ 1: 6.6 gph (25 l/h)/145 psi to 17.7 gph (67 l/h)/101.5 psi
- sigma/ 2: 12.9 gph (49 l/h)/145 psi to 95.1 gph (360 l/h)/58 psi
- sigma/ 3: 39.3 gph (149 l/h)/145 psi to 264.2 gph (1,000 l/h)/58 psi
Confirmations:
- FDA
- 1935/2004 (10/2011, GMP ordinance EC 2023/2006)
- AoF
- EN10204 Type 3.1 factory certificate for material (stainless steel, Al2O3) on request
- EN10204 Type 2.2 factory certificate for surface roughness Ra< 0.8 µm on request
Features:
- CIP-capable up to 266 °F (130 °C), max. 29 psi, max. 15 min.
- Hygienic design liquid end: Smooth surfaces (Ra< 0.8 μm, optimised in terms of dead space and with as few gaps as possible)
- DGUV test certificate NV 23083 with the addition "Hygiene-tested"
- Maintenance-friendly ball non-return valves, symmetrical ball seat
- Simple maintenance thanks to rapid-action clips (DIN 11864)
- Sealing design makes for easy cleaning (DIN 11864)
- Free of welded seams and shaft passages, e.g. mechanical seals
- Stroke length adjustment: 0– 100 %, stroke length adjustment using manually self-locking rotary dial in 1 % steps
- Precision of better than 1 % (under correct and constant conditions, with correct installation and calibration in terms of maximum stroke volume)
Technical Data
| | sigma basic version (60 Hz) | sigma control version | | | |
|---|
| Type | Product range | Pump capacity | Stroke rate | Product range | Pump capacity | Stroke rate | Pressure | Connector width | Priming lift |
|---|
| | | gph | rpm | | gph | rpm | psi | DN | ft |
|---|
| 10022 | S1Ba | 7.7 | 88 | S1Cb | 7.9 | 90 | 145 | 10 | 16 |
| 10044 | S1Ba | 14.5 | 172 | S1Cb | 14.3 | 170 | 145 | 10 | 16 |
| 07065 | S1Ba | 21.4 | 246 | S1Cb | 17.4 | 200 | 101 | 10 | 16 |
| 16050 | S2Ba | 15.3 | 87 | S2Cb | 15.9 | 90 | 145 | 15 | 16 |
| 16090 | S2Ba | 26.9 | 158 | S2Cb | 27.7 | 160 | 145 | 15 | 16 |
| 16130 | S2Ba | 39.6 | 238 | S2Cb | 34.1 | 200 | 145 | 15 | 16 |
| 07120 | S2Ba | 38.3 | 87 | S2Cb | 39.6 | 90 | 101 | 25 | 16 |
| 07220 | S2Ba | 69.5 | 158 | S2Cb | 71.3 | 160 | 101 | 25 | 16 |
| 04350 | S2Ba | 110.4 | 238 | S2Cb | 95.1 | 200 | 58 | 25 | 16 |
| 120145 | S3Ba | 67.9 | 86 | S3Cb | 49.1 | 90 | 145 | 25 | 16 |
| 120190 | S3Ba | 67.9 | 124 | S3Cb | 65.8 | 120 | 145 | 25 | 16 |
| 120270 | S3Ba | 94.6 | 173 | S3Cb | 98.3 | 180 | 145 | 25 | 16 |
| 120330 | S3Ba | | | | | | 145 | 25 | 16 |
| 070410 | S3Ba | 118.1 | 86 | S3Cb | 123.6 | 90 | 101 | 32 | 13 |
| 070580 | S3Ba | 173.6 | 124 | S3Cb | 168.0 | 120 | 101 | 32 | 13 |
| 040830 | S3Ba | 253.9 | 173 | S3Cb | 264.2 | 180 | 58 | 32 | 13 |
| 041030 | S3Ba | | | | | | 58 | 32 | 13 |
Wetted materials:
- Liquid end, valves, valve seat: 1.4435
- Seals: EPDM, FKM (optional)
- Valve balls: Al2O3
- PTFE multi-layer diaphragm with optical, optionally electric diaphragm rupture warning system
Connection types:
- Groove-terminal: DIN 11864-3
- Groove-flange: DIN 11864-2
- Other types of connection on request
Special features of sigma control version pump
- Integrated controller, universal and flexible. Simple connection to your process.
- External control via potential-free contacts, mA or ProfiBus and/or ProfiNet via Dulconvert
- Removable operating panel
- Remote transmission of operating statuses via an additional output or relay module
- Wide-range voltage power unit, power supply: 1 ph, 100 – 230 V ±10 %, 240 V ±6 %, 50/60 Hz
- Combination of high-strength cast aluminium housing with fibreglass-reinforced plastic housing
- Degree of protection IP 65
Special features of sigma basic version pump
- A wide range of power end versions is available: Three-phase standard AC motor, 1-phase AC motor
- Various flange designs for using customised motors
- Special voltages on request
- Electrical stroke length adjustment via actuator or control drives (optional)
- Degree of protection IP 55
- Combination of high-strength cast aluminium housing with fibreglass-reinforced plastic housing
- ATEX design: Areas at risk from explosion II 2G Ex h IIC T3 Gb X or II 2G Ex h IIC T4 Gb X (optional)
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