四筋阀体阀座
科华四筋阀体阀座
科华的三筋/四筋阀体阀座系列采用合金钢一体锻造而成，符合API-7K和ISO-9001质量标准，三筋/四筋阀体阀座配有阀杆导向器。 聚氨酯胶皮由压板和螺母固定，并且可以轻松更换，停机时间最短，在恶劣的使用条件下也能提供持久的使用寿命。
参数
四筋阀体阀座参数
- 与各品牌泵型的100%互换使用
- 额定压力高达 7500 psi 和 300°F（148℃）
- 高渗碳耐磨损表面，整体锻造工艺
- 在高温高压下表现良好
- 提供全系列的相关阀弹簧，阀胶皮，螺母和垫圈
- 提供标准尺寸API 4# – API 8#
适用型号
四筋阀体阀座适用型号
| Bomco | F-500 | F-800 | F-1000 | F-1300 | F-1600 | F-1600HL | |
| F-350 | F-500 | F-650 | F-800 | F-1000 | FD-1000 | FB-1300 | |
| FB-1600 | FA-1600 | FA-1300 | FC-1600 | FD-1600 | FC-2200D-300/500 | D-175 | |
| HONGHUA | HHF-500 | HHF-800 | HHF-1000 | HHF-1300 | HHF-1600 | HHF-1600HL | HHF-2200HL |
| Emsco | D-225 | D-375 | D-500 | D-550 | DA-500 | DB-500 | D-700 |
| DA-70 | DB-700 | DC-700 | DA-850 | DB-850 | DC-850 | D-1000 | |
| DB-1000 | DC-1000 | D-1000-A | D-1350 | D-1650 | |||
| National | 7-P-50 | 8-P-80 | 9-P-100 | 10-P-130 | 12-P-160 | 14-P-220 | JWS-165-L |
| JWS-340 | JWS-400 | C-250 | C-350 | K-380 | K-500-A | G-700 | |
| K-700 | N-1000 | N-1300 | N-1600 | ||||
| Gardner Denver | PZ-7 | PZ-8 | PZ-9 | PZ-10 | PZ-11 | FK-FXK | FY-FXD |
| FD-FXX | FG-GXG | FG-FXG | KG-KXG | FQ-FXQ | FF-FXF | FF-FXP | |
| TGE | TGF | TGH | PAH-275 | ||||
| Oilwell | 350-PT | A-650P-T | A-850-PT | A-1100-PT | A-1400-PT | A-1700-PT | HD-1400-PT |
| HD-1700-PT | 612-P | 212-P | 214-P | 218-P | 700-P | 816-P | |
| 818-P | 1000-P | ||||||
| Ideco | T-500 | T-800 | T-1000 | T-1300 | T-1600 | MM-450 | MM-500-F |
| MM-600-A | MM-700-F | MM-1000 | |||||
| Russian Pumps | UNBT-950 | UNB-600 | 8T-650 | UNBT650 | NBT600 | UNB1180 | UNB1180L |
| LS National Mud Pumps | 3NB-500C | 3NB1000C | 3NB1300C | 3NB1600 | |||
| Wirth Mud Pump | TPK1000 | TPK1600 | TPK2000 | ||||
| WEATHERFORD/Ellis Williams | MP-5 | MP-8 | MP-10 | MP-13 | MP-16 | E-447 | E-2200 |
| W446 | W440 | ||||||
| Drillmec | 7TS-600 | 8T-800 | 9T1000 | 10T-1300 | 12T1600 | 14T-2200 | 10D2C |
| 8D1S | |||||||
| Upetrom | 3PN-1000 | 3PN-1600 | 3PN-1300 | 3PN-2000 | |||
| OPI | 350-D | 350-GD | 500-DC | 700-HDL | 1000-HDL | ||
| Lewco/Ewco | W-250-C | WH440 | W446 | W600 | WH600 | WH770 | W1100 |
| WH1312 | W1612 | W1712 | W2000 | W2214 | W2215 | ||
| American Block | K800 | K1000 | K1300 | K1600 | K2200 | ||
| Loadmaster | LSF-500 | LSF-800 | LSF-1000 | LSF-1300 | LSF-1600 | ||
| Soilmec | 7T500 | 7T508 | 8T650 | ||||
| Dragon | 440HP | 660HP | |||||
| GASO/Wheatly | 1550 | 1560 | 1563 | 1654 | 1742 | 1753 | 1874 |
| 1849 | 1860 | 2652 | |||||
| Great American | GA-550 | GA-750 | |||||
| TFI | BH-800 | F-500 | F-800 | F-1000 | F-1300 | F-1600 | |
| TSC | WF-400 | WF-450 | WF-700 | WFU-750 | WF-1000 | WF-1300 | WF-1600 |
| WF-2000 | WF-2200 | ||||||
| Brewster | B-1000-T | B-1100-T | B-1300-T | B-1600-T |
