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Summary of Contents for Kracht SPV
- Page 1 Operation manual BSPV0006EN Pressure Relief Valves SPV / SPVF BSPV0006EN_D0024980002_04 Englisch 2011-01-13...
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Page 2: Table Of Contents
SPVF 20 - 80 Table 3.4.5 SPVF 50 - 80 (EN-GJS-400-15) 3.4.6 SPVF 50 - 80 Tabelle (EN-GJS-400-15) Types of seals Type key SPV / SPVF 10-80 Technical data General characteristics Hydraulic specifications Overview materials pE-Q characteristic curves (at 34 mm²/s) - Page 3 Installation General points Connection Operation start-up Preparation General commissioning Additional commissioning Removal General points Removal Valve Maintenance General points Unusual noises Cleaning Static seals Screw joints Damage Surface temperature Repairs 10.1 General points 10.2 Troubleshooting 10.3 Elimination of damage 10.4 Return 10.5 Disposal...
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Page 4: General Points
1.1 About the documentation These operating instructions describe the installation, operation and mainte- nance of the pressure relief valves, type SPV / SPVF, also referred to below as the device. The device is manufactured in different versions. Information about the ver- sion concerned in the individual case can be found on the device's type plate. - Page 5 Pressure Relief Valves SPV / SPVF Deviations from the above-mentioned data and operating conditions require express approval by the manufacturer and/or are specified on the type plate. Type plates or other references on the device must not be removed nor made illegible or irrecognisable.
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Page 6: Safety
Pressure Relief Valves SPV / SPVF 2 Safety 2.1 Safety instructions and symbols The safety notices in these operating instructions are marked with caution symbols. Non-compliance can lead to hazards for people and the device. In addition, the safety instructions are marked with signal words. They have... -
Page 7: Hazard Statements
Pressure Relief Valves SPV / SPVF 2.4 Hazard statements DANGER Danger through valve blocking The incorrect adjustment of the pressure setting above the respectively permissible pressure values can lead to the sleeve valve blocking and cause hazardous pressure levels. Breakage can lead to parts flying around uncontrolled or to fluids squirting out which can lead to accidents and se- vere injuries or even result in death. - Page 8 Pressure Relief Valves SPV / SPVF DANGER Danger due to pressure loaded lines. When working on pressure loaded lines, uncontrolled or squirting fluids can lead to accidents and severe injuries or even result in death. ● Always depressurize all lines during all work on the unit and before dis- assembly.
- Page 9 Pressure Relief Valves SPV / SPVF CAUTION Danger due to hot surfaces! When operating the device with hot media, there is a danger of being burned and scalded when touching the hot surfaces. ● Let the device cool off first when the medium temperature is over 48 °...
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Page 10: Device Description
Pressure Relief Valves SPV / SPVF 3 Device description 3.1 General The SPVF pressure relief valve is a directly-controlled slide valve for instal- lation in pipelines and is used to protect the low-pressure hydraulic circuits up to p 20 bar (in exceptional cases, 30 bar) The line connection can be made using SAE flanges (3000 psi) or Whitworth pipe threads (G). -
Page 11: Flow Direction
3.2 Flow direction The flow direction is marked with an arrow on the device housing. It is always implemented from connection P to connection R. 3.3 Basic construction Tab. 3.1: Basic construction SPV / SPVF Housing Set screw Valve piston... -
Page 12: Dimensions
Pressure Relief Valves SPV / SPVF 3.4 Dimensions 3.4.1 SPV 10 (EN-GJL-300) Tab. 3.2: SPV 10 A1G 1 A .. SPV 10 B1G 1 A .. SPVM 10 A1G 1 A .. SPV 10 C1G 1 A .. SPV 10 D1G 1 A .. -
Page 13: Spv 10 (En-Gjs-400-15)
Pressure Relief Valves SPV / SPVF 3.4.2 SPV 10 (EN-GJS-400-15) Tab. 3.4: SPV 10 E1G 1 A .. SPV 10 E1G 1 B .. SPV 10 K1G 1 A .. SPV 10 K1G 1 B .. BSPV0006EN_D0024980002_04 2011-01-13... -
Page 14: Spvf
Pressure Relief Valves SPV / SPVF 3.4.3 SPVF 20 - 80 Tab. 3.5: SPVF . A2F 1 A .. SPVF . A1G 1 A .. SPVF . C2F 1 A .. SPVF . C1G 1 A .. Tab. 3.6: SPVF . B2F 1 A .. -
Page 15: Spvf 20 - 80 Table
Pressure Relief Valves SPV / SPVF 3.4.4 SPVF 20 - 80 Table Tab. 3.7: SAE-Flange 3/4" 1" 1 1/4" 1 1/2" 2" 3" Thread R G 3/4 G 1 1/4 G 1 1/2 47,6 52,4 58,7 69,9 77,8 106,4 22,2... -
Page 16: Spvf 50 - 80 (En-Gjs-400-15)
Pressure Relief Valves SPV / SPVF 3.4.5 SPVF 50 - 80 (EN-GJS-400-15) Tab. 3.9: SPVF . E2F 1 A .. SPVF . E1G 1 A .. SPVF . K2F 1 A .. SPVF . K1G 1 A .. 2011-01-13 BSPV0006EN_D0024980002_04... -
Page 17: Spvf 50 - 80 Tabelle (En-Gjs-400-15)
Pressure Relief Valves SPV / SPVF 3.4.6 SPVF 50 - 80 Tabelle (EN-GJS-400-15) Tab. 3.10: NW SAE Flange Thread 2" 77,8 42,9 M12 124 102 50,5 192 267 274 3" 106,4 61,9 M16 176 135 110 190 300 307 110 All dimensions in mm Tab. -
Page 18: Type Key Spv / Spvf
Pressure Relief Valves SPV / SPVF 3.6 Type key SPV / SPVF 10-80 Tab. 3.13: Ordering example SPV / SPVF 10-80 SPVF Tab. 3.14: Explanation type key SPV / SPVF 10-80 1. Product code NG 10 SPVF NG 20 - 80 2. -
Page 19: Technical Data
Pressure Relief Valves SPV / SPVF 4 Technical data 4.1 General characteristics Tab. 4.1: Construction Sliding piston valve - directly operated (seat on request) Mounting in pipeline Pipe connection SAE flange (3000 psi) / Whitworth thread G Dimensions chapter 3 “Device description”... -
Page 20: Overview Materials
Pressure Relief Valves SPV / SPVF 4.3 Overview materials Tab. 4.3: Materials SPV / SPVF Housing section 3.6 “Type key SPV / SPVF 10-80” Valve piston 16MnCrS5 Cap screw 9 SMnPb 28 Spring guide 15 S20K Compression spring Spring steel C Type plate Al 99.5... -
Page 21: Pe-Q Characteristic Curves (At 34 Mm²/S)
Pressure Relief Valves SPV / SPVF 4.4 p -Q characteristic curves (at 34 mm²/s) Tab. 4.4: SPV 10 SPVF 20/25 SPVF 32/40 SPVF 50 SPVF 80 BSPV0006EN_D0024980002_04 2011-01-13... -
Page 22: Transport And Storage
Pressure Relief Valves SPV / SPVF 5 Transport and storage 5.1 Transport damage Inspect the device for shipping damage as soon as the delivery has been received. If shipping damage is discovered, inform the shipping company. If proper operation of the device is impaired by the damage, the device must be replaced or repaired. - Page 23 Pressure Relief Valves SPV / SPVF If the device is stored over a longer period, it must be treated on the inside and outside with a suitable corrosion protecting oil. In addition, it must be protected from humidity by a humidity-absorbing agent.
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Page 24: Installation
Pressure Relief Valves SPV / SPVF 6 Installation 6.1 General points DANGER Danger due to pressure loaded lines. When working on pressure loaded lines, uncontrolled or squirting fluids can lead to accidents and severe injuries or even result in death. - Page 25 Pressure Relief Valves SPV / SPVF NOTICE Danger of property damage due to incorrect installation Incorrect installation and a lack of cleanliness can lead to damages and malfunctions in the unit. ● Install the unit preferably vertical with the setscrew facing down.
- Page 26 Pressure Relief Valves SPV / SPVF NOTICE Danger of property damage due to distortion The load on the device due to impermissible external loads can lead to malfunctions or to breakage of the flange or housing. ● Pipelines must be fitted absolutely tension-free to the device connec- tions.
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Page 27: Operation Start-Up
Pressure Relief Valves SPV / SPVF 7 Operation start-up 7.1 Preparation NOTICE Danger of property damage due to a lack of cleanliness A lack of cleanliness can lead to damages and malfunctions in the device and in the plant. ●... -
Page 28: Additional Commissioning
Pressure Relief Valves SPV / SPVF form venting at low pressure. It is complete when the oil flows out bubble-free. Subsequently close the vent screw again. DANGER Danger through adjustment of the threaded pin or setscrew If the threaded pin is adjusted to higher than the maximum pressure of the respective pressure stages, uncontrollable pressure levels can arise. -
Page 29: Removal
Pressure Relief Valves SPV / SPVF 8 Removal 8.1 General points NOTICE Danger of property damage due to insufficiently qualified personnel Improper work can lead to damages and malfunctions in the device and in the plant. ● Permit only expert and technically qualified personnel to work on the device. - Page 30 Pressure Relief Valves SPV / SPVF CAUTION Danger due to hot surfaces! When operating the device with hot media, there is a danger of being burned and scalded when touching the hot surfaces. ● Let the device cool off first when the medium temperature is over 48 °...
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Page 31: Maintenance
Pressure Relief Valves SPV / SPVF 9 Maintenance 9.1 General points NOTICE Danger of damages and malfunctions due to a lack of maintenance If the device is not regularly maintained, damage that is not discovered or not repaired can lead to malfunctions and to the failure of the device. - Page 32 Pressure Relief Valves SPV / SPVF NOTICE Danger of property damage due to distortion The load on the device due to impermissible external loads can lead to malfunctions or to breakage of the flange or housing. ● Pipelines must be fitted absolutely tension-free to the device connec- tions.
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Page 33: Unusual Noises
Pressure Relief Valves SPV / SPVF CAUTION Danger due to hot surfaces! When operating the device with hot media, there is a danger of being burned and scalded when touching the hot surfaces. ● Let the device cool off first when the medium temperature is over 48 °... -
Page 34: Static Seals
Pressure Relief Valves SPV / SPVF 9.4 Static seals The static seals on the device's separation joints and the connection lines must be periodically checked for leakproofness. If there are any visible leaks, immediately stop plant operation. If the leaks cannot be stopped by simply retightening the connection, replace all affected seals. -
Page 35: Repairs
Pressure Relief Valves SPV / SPVF 10 Repairs 10.1 General points The term repairs covers: ● Troubleshooting, in other words establishing damage, determining and localising the reason for the damage. ● Elimination of the damage, in other words eliminating the primary cau- ses and replacing or repairing faulty components. -
Page 36: Disposal
Pressure Relief Valves SPV / SPVF If harding or agglutinative media are involved, the device must be cleaned befor it is returned. Cleaning is also necessary if the device has been operated with hazardous fluids. Any openings must be closed.
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