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Product
MBH Type High Performance Hydraulic Diaphragm Metering Pump
- Product details
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Core Performance Parameters
Parameter Item Specific Index Parameter Item Specific Index Max Single-Head Flow 2616L/H Max Discharge Pressure 250bar Flow Adjustment Ratio 10:1 Steady-State Accuracy ±1% Design Standard API675 Core Structural Features & Advantages
Part Core Advantages & Configuration Drive End Ball head crank connecting rod drive mechanism (high adjustment accuracy);
Built-in forced + oil bath lubrication (extends moving part life);
Multi-unit parallel available (independent flow adjustment);
Flow adjustable in stop/operation state;
Manual/electric/pneumatic/frequency control optiona
Hydraulic End High-performance diaphragm pump head with MAS mechanical automatic oil replenishment system;
Built-in safety/vent valve (overpressure prevention & automatic exhaust);
Insulated jacket and other special hydraulic end forms optional;
Pressure/electrolyte type double diaphragm leak detection (local/remote) alarm optional;
High-precision inlet & outlet check valves (single/double ball valve, plate valve optional)
Core Application Scenarios
High-pressure & large-flow petrochemical processes
Hazardous chemical injection and transportation
Onshore & offshore oil and gas skid-mounted systems
Power industry: furnace, condensed water, circulating water, wastewater treatment
Key processes in other industries
related products
Product Inquiry
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Q
What is a thermocouple?
A
Thermocouples are the preferred solution for extreme temperature applications. They consist of two dissimilar metal wires joined at the measuring end, generating a voltage proportional to the temperature difference.
Working Principle: When two different metals are connected, the thermoelectric effect produces a voltage at the junction. This voltage increases with rising temperature, allowing measurement via reference tables.
Key Advantages:
• Temperature Range: -270°C to 2300°C (depending on type)
• Fast Response Time (typically 0.1–10 seconds)
• Robust Construction, vibration-resistant
• Relatively Low Cost
• No External Power Required
Q
What is the difference between RTD and thermocouple?
A
• RTD (Resistance Temperature Detector): Based on the principle that a metal conductor's resistance increases with temperature, it converts resistance measurements into temperature readings.
• Thermocouple: Operates on the Seebeck effect, where two dissimilar metals in contact generate a thermoelectric voltage proportional to temperature differences.
Features
• RTD: High accuracy, stable signal, excellent linearity, ideal for low to medium temperatures.
• Thermocouple: Simple structure, fast response, high-temperature resistance, wide measurement range.
Pros & Cons
• RTD Pros: High precision, strong anti-interference, reliable low-temperature performance.
Cons: Limited upper temperature range, bulkier size, slightly slower response.
• Thermocouple Pros: Broad temperature range, high-temperature tolerance, rapid response, suitable for moving/surface measurements.
Cons: Lower accuracy at low temperatures, requires cold junction compensation, weaker signal prone to interference.
