High Quality Stainless Steel Gear Metering Pump
High Quality Stainless Steel gear metering pump is used to meet the high quality standards of the chemical and food industries. The particularly strong construction provides the gear pump with long service life and excellent reliability.
Materials: 304 316 316L 440C.
Stealing :Single and double mechanical seal,Packing seal.
Installation ：motor installation foot installation.
The tobacco industry : glue, essence.
Texitile printing and dyeing industry : indigo blue and sulphur black, hydrogen peroxide, sodium hydroxide.
Daily chemical industry : alkyl benzene, olefins and alcohol, alkyl sulfonate.
Performance Parameter Table
| Type | Single revolution displacement(cc/rec) | Rated flow at maximum speed (L/min) | Maximun speed(rpm) | Inlet/outlet dimensions |
| CS158 | 1.58 | 2.3 | 1500 | G1/2" |
FAQ
1. Q1: What is the guaranteed metering accuracy? Will variations in oil temperature affect precision?
A: For standard models, the repeatability is ±0.5%; for servo-configured models, it can reach ±0.3%. Within the oil temperature range of -20°C to 180°C, the error fluctuation remains within ±1%. For high-temperature operating conditions, a customized version with optimized internal clearances is available.
2. Q2: Is it possible to pump high-viscosity grease?
A: Yes. For grease with a viscosity of ≥50,000 cps, we utilize large-modulus gears combined with a widened pump body. The rotational speed is reduced to 10–50 rpm, and a pressure-assisted feeding mechanism is installed at the inlet.
3. Q3: Can the port connections be customized to the FS40 standard? What is the lead time?
A: We support customization for FS40 connections as well as non-standard flanges. For standard displacement models, in-stock items ship within 3–7 days; for customized models, the lead time is 15–20 business days.
4. Q4: Will the presence of trace impurities in the fluid damage the pump?
A: The gears are constructed from wear-resistant quenched alloy steel. However, we recommend installing an 80–120 mesh filter upstream of the pump to screen out hard particles and extend the pump's service life.
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