在Hauhinco传统与创新是互不分离的。Hauhinco是1908年在德国斯普罗克霍威尔，鲁尔矿业的摇篮成立的。至今，Hauhinco仍旧牢记自己的由来。再过去的100余年间，公司经历了很多组织结构和市场环境的变化，并仍旧不断地推陈出新，为市场带来创新性的产品。这些经验使得Hauhinco在市场中独树一帜。
Hauhinco是一家拥有悠久历史的成功的中型公司。如今，Hauhinco是世界领先的水液压应用领域供应商。我们的高压柱塞泵，阀以及系统被广泛地应用于世界各地的井下煤矿以及工业领域。而我们的员工正是我们成功的关键。
中文 (中国)
Pressure relief valve for the primary pressure setting at the hydraulic pumps and the pressure protection of the hydraulic drives and hydraulic components.
In the basic valve position, the power of the compression spring (3) acts on the valve piston (2) and transfers it to the valve seat (4). The valve seat (4) and the valve piston (2) form the valve seal at the conical surface. By turning the adjusting nut (5) the compression spring (3) is preloaded and the desired set pressure “Pe” set. The adjusting nut (5) can be fixed using the lock nut (6).
Within the operation of the valve, the system pressure „Ps“ enters the valve body (1) at the P-connector and generating a hydraulic (opening) force at the valve seat area of the valve piston (2). The force of the compression spring (3) maintains the valve piston (2) in the shut off basic position as long as the hydraulic opening force is < than the set closing force of the spring. If the system pressure „Ps“ increases to the extent that the force ratio reverses to be opening force > closing force, then the valve piston (2) is pressed out of the basic position, lines P and T are connected thus opening the valve. The valve opening increases proportionally with increasing system pressure until the maximum admissible volume fl ow for the valve has been reached, see valve characteristic.
General | |
| Weight | DN3 1,3kg DN6 2,4kg |
| Installation position | any |
| Ambient temperature | -10 to 50°C (hydraulic fl uids, heed standard requirements) |
| Material Valve parts Material Seals | Stainless steel, bronze NBR, PTFE, PUR |
Hydraulic | |
| hydraulic pressure connector P | <= 350bar |
| hydraulic pressure connector T | <= 50bar (observe counterpressure within the pressure setting) |
| Setting range of hydraulic response pressure Pe | see Order information |
| max. volume fl ow | DN3 8 l/min DN6 30 l/min |
| specifi ed direction of fl ow | P->T |
| Pressure fluid - Medium - Temperature range - Medium - Quality - min filter fineness | Water, HFA 5 bis 40°C see Hauhinco media requirement, water, HFA Filter fineness 100µm |
| Pressure fl uid - Medium - Temperature range - Medium - Quality | Mineral oil HLP according to DIN51624-2 5 to 50°C Cleanliness class -/19/16 according to ISO 4406 |
| Use of other pressure fl uids on request. | |
Included in the scope of supply | |
| Mounting screws for the valves | |
| Pressure setting according to customer specifi cation | |
| Factory test certifi cate on request |
| Description | Nominal size | Weight | Max. pressure | Basic position | Voltage | Note | Article number |
|---|---|---|---|---|---|---|---|
| Pressure relief valve DN3 | DN3 | 1,3kg | 350 | - | - | Einstellbereich 20-160bar | 6246354 |
| Pressure relief valve DN3 | DN3 | 1,3kg | 350 | - | - | Einstellbereich 150-340bar | 6246362 |
| Pressure relief valve DN6 | DN6 | 2,4kg | 350 | - | - | Einstellbereich 20-155bar | 6247679 |
| Pressure relief valve DN6 | DN6 | 2,4kg | 350 | - | - | Einstellbereich 145-275bar | 6248714 |
| Pressure relief valve DN6 | DN6 | 2,4kg | 350 | - | - | Einstellbereich 270-340bar | 6248722 |
