Valve and seat for mud pump
| API | Description | Web Valves and Seats | Full Open Valves and Seats |
| GD 3-Web | 4-Web | Full Open | Full Open
Bonded | RoughneckStyle | G2 Style |
| API-6 | Valve Assembly |
| 60152808 | 6FO-V1 | 6FO-V2 | 9700285 | 1560995 |
| Seat |
| 61102653 | 6FO-S1 | 6FO-S1 | 9702547 | 1561380 |
| Seat for National Pumps |
| 61102604 | 6FO-S4 | 6FO-S4 | 9702555 | 1561450 |
| Urethane Insert |
| 62400106 | 6FO-SI | 6FO-SI | 9705090 | 1560587 |
| Spring |
| 55413389 | 5710-115 | 5710-115 | 8201650 | 1560701 |
| API-7 | Valve Assembly | 202PZL482A | 60155041 | 7FO-V1 | 7FO-V2 | 9700250 | 1560985 |
| Seat | 202PZL039 | 61101507 | 7FO-S1 | 7FO-S1 | 9702504 | 1561370 |
| Seat for National Pumps |
| 61102505 | 7FO-S4 | 7FO-S4 | 9702539 | 1561440 |
| Urethane Insert | 201PZL106 | 62400338 | 7FO-SI | 7FO-SI | 9705228 | 1560557 |
| Spring | 5710-110 | 55413397 | 15180185 | 5710-115L | 5710-115L | 1560702 |
| API-8 | Valve Assembly |
| 60140100 | 8FO-V1 | 8FO-V2 | 9700382 | 1560965 |
| Seat |
| 61100608 | 8FO-S1 | 8FO-S1 | 9702652 |
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| Seat for National Pumps |
| 61102505 | 8FO-S4 | 8FO-S4 | 9702653 | 1561410 |
| Urethane Insert |
| 62400338 | 8FO-SI | 8FO-SI | 9705236 | 1560567 |
| Spring |
| 5710-030 | 5710-115L | 5710-115L | 5710-115L | 1560702 |
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| API | Description | Brands Valves |
Baker
PlateType | Baker
Double Angle | Weatherford
Full Open | Weatherford
4-Web | MK
4-Web | MK
Roughneck |
| API-6 | Valve Assembly | 50011900 | 50011800 | 1318053 | 1318050 | U5B-EH | RN6-V1 |
| Seat | 50481800 | 52000800 | 1318008 | 1318007 | 6ADD-B6 | RN6-S6 |
| Seat for National Pumps | 51243600 | 51243600 |
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| 6ADD-B4 | RN6-S4 |
| Urethane Insert | 51584400 | 51584500 | 1317993 | 1317991 | UDD-6AB | RN6-I |
| Spring | 51398900 | 51398900 | 1318028 | 1318026 | 5710-111 | 5710-110L |
| API-7 | Valve Assembly | 50506200 | 50011000 | 1318061 | 1318058 | U5C-EEF | RN7-V1 |
| Seat | 50930900 | 50930900 | 1318014 | 1318013 | 7DD-B1 | RN7-S1 |
| Seat for National Pumps | 51429900 | 51429900 |
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| 7DD-B12 | RN7-S12 |
| Urethane Insert | 50489300 | 51427500 | 1317998 | 1317996 | UDD-7B | RN7-I |
| Spring | 51398800 | 51398900 | 1318029 | 1318027 | 5710-115 | 5710-115L |
| API-8 | Valve Assembly | 50510900 | 50012000 | 8FO-V1 | 60140100 | U5B-LP | RN8-V2 |
| Seat | 50484400 | 50484400 | 8FO-S1 | 61100608 | 8DD-B2 | RN8-S1 |
| Seat for National Pumps | 50484500 | 50484500 | 8FO-S4 | 61102505 | 8DD-B7 | RN8-S7 |
| Urethane Insert | 50489700 | 51583100 | 8FO-SI | 62400338 | UDD-8B | RN8-I |
| Spring | 50471300 | 52050400 | 5710-115L | 5710-030 | 5710-110 | 5710-110L |
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