Shanghai Shenbei Pump Manufacturing Co., Ltd
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SJ-M series hydraulic diaphragm metering pump
The SJ-M series hydraulic diaphragm metering pump products are mainly used in high-pressure and high flow conditions required in petroleum, petrochemi
Product details

Model and specification preparation instructions

Main performance parameters

Maximum flow rate per head: 40000 L/h

Maximum discharge pressure: 50MPa

Steady state accuracy ± 1%

Medium viscosity: 0-800mm ²/s

The temperature of the conveying medium can reach over 450 ° C

Main features

Design and Manufacturing Standard GB/T7782-2008

It can remove residual gas in hydraulic oil, keeping the hydraulic oil rigid and achieving high measurement accuracy

Completely sealed without leakage

The diaphragm position control system is fully supported in the rear position

Main applications

High pressure and high flow conditions are required in petroleum, petrochemical/chemical processes, or in the injection and transportation of hazardous chemicals into onshore and offshore oil and gas dismantling systems. Special processes such as nuclear power and military applications are key processes in environmental protection, pharmaceuticals, papermaking, food and other industries. It can also operate safely without any medium inside the pump head.

High performance diaphragm pump head

Standard stainless steel hydraulic end

Single head maximum flow rate 40000 L/h, maximum pressure 50 MPa standard PVC hydraulic end

Single head maximum flow rate 10000L/h, maximum pressure 10bar

Built in combination safety valve to prevent overpressure and automatic exhaust

Measurement accuracy ± 1%

The temperature of the conveying medium is 150 ° C, and in special circumstances it can reach 350 ° C

PTFE diaphragm, easy to install without leakage

Adopting the latest technology, automatic control of oil replenishment, safe and reliable

Diaphragm pump (on-site/remote) rupture detection can use pressure or electrolyte type transmission end lubricating oil and hydraulic oil at the hydraulic end completely isolated, with low maintenance costs

Hydraulic end

Multiple standard hydraulic end forms include high-performance diaphragm pump heads and metal diaphragm pump heads

Optional insulation jacket and other special hydraulic end forms

Diaphragm pumps can be equipped with pressure or electrolyte dual diaphragm leak detection (on-site/remote) alarms

Special options are available for materials such as pump head, one-way valve, diaphragm, plunger, packing, etc

High precision import and export one-way valve, with multiple optional configurations such as single ball valve, double ball valve, cone valve, etc

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