Pressure limiting valve type MVG

Pressure relief valves belong to the group of pressure valves. Pressure limiting valves prevent the maximum allowable system pressure from being exceeded. Sequence valves allow a constant pressure difference to be generated between the flow inlet and outlet.

Type MV is a directly controlled valve that is damped as standard. Variants without damping are also available for special operating ratios.

Properties and advantages:

■ Operating pressures up to 700 bar.

■ Different regulation possibilities.

■ Multiple designs.

Areas of application:

■ Hydraulic systems in general.

■ Test benches.

■ Hydraulic tools.

Basic model and size: MVG 14 H.

Pressure range (bar): 10 ... 400.

Flow (l / min): 8.

Connection type: Valve for in-line connection: Connection P = G ¼.

Short description: Valve for one direction of flow (working direction).

Note

Pressure setting

■ Without pressure indication, the factory default setting is MV .. 14 H 400 bar.

Designation Pressure limiting valve.

Design Conical seat valve.

Constructive form according to type.

Material Steel; Gas nitrided valve housing, galvanized sealing nut and connection block, tempered and ground internal functional components.

Steel balls for bearings.

Steel; Gas nitrided valve housing, tempered, rectified functional interior components.

Indistinct mounting position .

Hydraulic fluid Hydraulic oil: according to DIN 51524 part 1 - 3;

ISO VG 10 to 68 according to DIN ISO 3448

Viscosity range: min. AC. 4; max. AC. 1500 mm2 / s

Optimal service: ca. 10 ... 500 mm2 / s

Also suitable for biodegradable hydraulic fluids of the HEPG (polyalkylene glycol) type

and HEES (synthetic ester) at operating temperatures up to approx. + 70 ° C.

Cleanliness class ISO 4406

21/18/15 ... 19/17/13

Ambient temperatures : approx. -40 ... + 80 ° C, Oil: -25 ... + 80 ° C, pay attention to the viscosity range

Allowable start temperature down to -40 ° C (pay attention to viscosities) when constant end temperature in subsequent service is at least 20K higher.

Biodegradable hydraulic fluids: Observe the manufacturer's data. Not higher than + 70 ° C if the compatibility of the seals is taken into account.

Assembly, operation and maintenance instructions

Regulatory use

This valve has been exclusively designed for hydraulic uses (fluid technology).

The valve requires strict technical safety standards and regulations for fluid engineering.

The user must follow the safety measures and warnings contained in this documentation.

The essential requirements for the product to function without problems or risks:

- Observe all the information contained in this documentation. This applies especially to all safety measures and warnings.

- The product must only be assembled and commissioned by qualified specialists.

- The product must only be used within the specified technical parameters. The technical parameters are represented in detail in this documentation.

- Furthermore, the instructions for use of the complete installation in question must always be followed.

If the product can no longer be used safely:

1. Take the product out of service and properly identify it.

✓In this case it is no longer allowed to continue using the product.

5.2 Assembly instructions

The product must only be assembled in the complete installation with standardized connection elements that are common on the market (threaded connections, flexible pipes, tubes ...).

Take the hydraulic unit (especially for units with pressure accumulators) out of service as prescribed before dismantling.