Moog D633 Replacement Electro-Hydraulic Flow Control Servo Valve
2020-12-11 15:17:36
Model NO.: D633
Trademark: WK
Specification: Standard
Origin: China
HS Code: 84818010
Model NO.: D633
Trademark: WK
Specification: Standard
Origin: China
HS Code: 84818010
 Performance indicesÂ
| Item | Unit | Index | |
| Supply pressure Ps | MPa | 2~28 | |
| Rated supply pressure Pn | MPa | 21 | |
| Rated flow Qn() | L/min | 20 | |
| Rated current In | mA | 10 | |
| Hysteresis | % | ≤0.2 | |
| Threshold | % | 0.3 | |
| Nonlinearity | % | ≤±7.5 | |
| Unsymmetry | % | ≤±7.5 | |
| Pressure GAIN | % | >30 | |
| Internal leakage | L/min | ≤1.5 | |
| Null bias | % | ≤±1.5 | |
|
Frequency response |
Amplitude ratio with (-3dB) | Hz | ≥30 |
| Phase lag with (-90°) | Hz | ≥50 | |
| Working temperature | ºC | -15~100 | |
| Weight | kg | ≈1.2 | |
Overall and installation dimensions
Overall dimensions
Installation dimensions
*Requirement: Flatness less than 0.01mm, roughness below   .
| Â | P | A | B | T | Y | F1 | F2 | F3 | F4 | G |
| Â | Ñ„7.5 | Ñ„7.5 | Ñ„7.5 | Ñ„7.5 | Ñ„3.5 | M5 | M5 | M5 | M5 | Ñ„2 |
| x | 21.5 | 12.7 | 30.2 | 21.5 | 40.5 | 0 | 40.5 | 40.5 | 0 | 33 |
| y | 25.9 | 15.5 | 15.5 | 5.1 | 9 | 0 | -0.75 | 31.75 | 31 | 31.75 |
Comparison between Servo Valve Model and Moog Model
                                   Â
| WK Â Â Â Model | MOOGÂ Â Â Model |
| SFL218Â Â Â Â Series | MOOG 760/761Â Series |
| SFL218AÂ Â Â Â Â Â Series | MOOG G631Â Â Â Â Series |
| SFL218BÂ Â Â Â Â Â Series | MOOG062Â Â Â Â Series (PLASSER) |
| SFL214,216Â Â Series | MOOG 072Â Â Â Â Â Â Series |
| SFL212AÂ Â Â Â Â Â Series | MOOG 30Â Â Â Â Series |
| SFL212/BÂ Â Â Â Â Series | MOOG 31Â Â Â Â Series |
| SFZ141Â Â Â Â Â Series | MOOG D633Â Â Â Â Series |
| SFZ142Â Â Â Â Â Series | MOOG D634Â Â Â Â Series |
| SFL317Â Â Â Â Series | MOOG792Â Â Â Â Series |
| SFL316Â Â Â Â Series | MOOG791Â Â Â Â Series |
| SFD234Â Â Â Â Series | MOOG D661Â Â Â Â Series |
Certificate test
  Performance indices
Â
| Item | Unit | Index | |
| Supply pressure Ps | MPa | 2~28 | |
| Rated supply pressure Pn | MPa | 21 | |
| Rated flow Qn() | L/min | 20 | |
| Rated current In | mA | 10 | |
| Hysteresis | % | ≤0.2 | |
| Threshold | % | 0.3 | |
| Nonlinearity | % | ≤±7.5 | |
| Unsymmetry | % | ≤±7.5 | |
| Pressure GAIN | % | >30 | |
| Internal leakage | L/min | ≤1.5 | |
| Null bias | % | ≤±1.5 | |
|
Frequency response |
Amplitude ratio with (-3dB) | Hz | ≥30 |
| Phase lag with (-90°) | Hz | ≥50 | |
| Working temperature | ºC | -15~100 | |
| Weight | kg | ≈1.2 | |
Overall and installation dimensions
Overall dimensions
Installation dimensions
*Requirement: Flatness less than 0.01mm, roughness below   .
| Â | P | A | B | T | Y | F1 | F2 | F3 | F4 | G |
| Â | Ñ„7.5 | Ñ„7.5 | Ñ„7.5 | Ñ„7.5 | Ñ„3.5 | M5 | M5 | M5 | M5 | Ñ„2 |
| x | 21.5 | 12.7 | 30.2 | 21.5 | 40.5 | 0 | 40.5 | 40.5 | 0 | 33 |
| y | 25.9 | 15.5 | 15.5 | 5.1 | 9 | 0 | -0.75 | 31.75 | 31 | 31.75 |
Comparison between Servo Valve Model and Moog Model
                                   Â
| WK Â Â Â Model | MOOGÂ Â Â Model |
| SFL218Â Â Â Â Series | MOOG 760/761Â Series |
| SFL218AÂ Â Â Â Â Â Series | MOOG G631Â Â Â Â Series |
| SFL218BÂ Â Â Â Â Â Series | MOOG062Â Â Â Â Series (PLASSER) |
| SFL214,216Â Â Series | MOOG 072Â Â Â Â Â Â Series |
| SFL212AÂ Â Â Â Â Â Series | MOOG 30Â Â Â Â Series |
| SFL212/BÂ Â Â Â Â Series | MOOG 31Â Â Â Â Series |
| SFZ141Â Â Â Â Â Series | MOOG D633Â Â Â Â Series |
| SFZ142Â Â Â Â Â Series | MOOG D634Â Â Â Â Series |
| SFL317Â Â Â Â Series | MOOG792Â Â Â Â Series |
| SFL316Â Â Â Â Series | MOOG791Â Â Â Â Series |
| SFD234Â Â Â Â Series | MOOG D661Â Â Â Â Series |
Certificate test
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As producer of slurry pumps with casting foundry shop, Muyuan can offer many kinds of slurry pump parts, such as Impeller, metal liner, rubber liner,cast iron expeller seal parts, bearing housing and base etc.
Except the cast iron material ,other material can be offered : high chrome, ceramic, stainless steel , rubber, polyurethane,or the latest in ceramic materials for longer service life and higher efficiency.
| Pump Part Description | Material | Application |
| Impeller, liner, throat bush etc. | High chrome, Ceramic | For mines and other wear resistance working conditions |
| Impeller, liner, throat bush, F.P.L. Insert, etc. | Natural rubber, elastomer and polyurethane | Corrosion (especially acid) and abrasion conditions |
| Cover plate, frame plate, base, bearing housing, etc. | Grey iron and ductile iron | All kinds of working conditions |
| Expeller, expeller ring, stuffing box, etc. | Stainless steel, high chrome | Chemical industry, corrosion (especially for acid) conditions |
| Shaft, shaft sleeve, lantern ring, neck ring, etc. | Stainless steel, 1045 steel |
|
| Seal, O ring | Elastomer |
|
| Bolt | Stainless steel, 1045 steel |
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SHIJIAZHUANG MUYUAN INDUSTRY & TRADE CO., LTD. , https://www.cnmuyuan.com