Description
DEENPU supplies drill pipe float valves fully interchangeable with Keystone Energy Tools (KET) Model F (plunger type) and Model G (flapper type) float valves. KET cages are cast from alloy steel and heat-treated to ≤22 HRC to resist the corrosive effects of hydrogen sulfide (H₂S). The Model F plunger-type float valve provides positive instantaneous shut-off and constant fluid control while drilling — a reliable, economical choice for standard operations. The Model G flapper-type offers an unobstructed bore when open and closes rapidly to prevent shavings entering the drill string.
All DEENPU float valves, repair kits and valve pullers are dimensionally and functionally interchangeable with genuine KET parts. Assembly, repair kit and puller part numbers are listed below for cross-reference.
Available Models
- Model F — Plunger type, standard. Positive instantaneous shut-off.
- Model G — Flapper type, standard. Unobstructed bore when open.
- Model FC / FA — Plunger type, pressure monitoring / automatic fill.
- Model GC / GA — Flapper type, pressure monitoring / automatic fill.
- Coil Tubing Float Valves — for coiled tubing service.
Dimensional Data (Standard Service)
| Valve Size | D – Valve Dia. | R – Recess Dia. | L – Valve Length | T – Baffle Recess | Model F I.D. | Model G I.D. |
|---|---|---|---|---|---|---|
| 1R | 1-21/32″ | 1-11/16″ | 5-7/8″ | 1-5/16″ | 1″ | N/A |
| 1F-2R | 1-29/32″ | 1-15/16″ | 6-1/4″ | 1-1/2″ | 1-1/4″ | 1″ |
| 2F-3R | 2-13/32″ | 2-7/16″ | 6-1/2″ | 1-29/32″ | 1-9/16″ | 1-1/4″ |
| 3F | 2-13/16″ | 2-27/32″ | 10″ | 2-7/16″ | 1-7/8″ | 1-5/8″ |
| 3.5IF | 3-1/8″ | 3-5/32″ | 10″ | 2-11/16″ | 1-7/8″ | 1-5/8″ |
| 4R | 3-15/32″ | 3-1/2″ | 8-5/16″ | 2-15/16″ | 2-5/16″ | 1-31/32″ |
| 4F | 3-21/32″ | 3-11/16″ | 12″ | 3-1/4″ | 2-1/2″ | 2-3/16″ |
| 5R | 3-7/8″ | 3-29/32″ | 9-3/4″ | 3-3/8″ | 2-3/4″ | 2-1/4″ |
| 5F-6R | 4-25/32″ | 4-13/16″ | 11-3/4″ | 4-9/32″ | 3-1/4″ | 2-7/8″ |
| 6F | 5-11/16″ | 5-23/32″ | 14-5/8″ | 5-3/16″ | 4-1/8″ | N/A |
Model F (Plunger Type) — Assembly Part Numbers
| Size | Assembly Part No. | Metal Repair Kit | Rubber Repair Kit | Top Puller | Bottom Puller |
|---|---|---|---|---|---|
| 1R | 480131200 | 15929800 | 16012200 | N/A | 911200 |
| 1F-2R | 480131422 | 16011300 | 16012300 | N/A | 911200 |
| 2F-3R | 480132432 | 16011400 | 16012400 | 933600 | 912432 |
| 3F | 480133400 | 16011500 | 16012500 | 933600 | 913400 |
| 3.5IF | 480133600 | 16011500 | 16012600 | 933600 | 913400 |
| 4R | 480134200 | 16011700 | 16012700 | 934200 | 914200 |
| 4F | 480134400 | 16011800 | 16012800 | 934210 | 914400 |
| 5R | 480135200 | 16011900 | 16012900 | 934225 | 914400 |
| 5F-6R | 480135462 | 16012000 | 16013000 | 934250 | 914400 |
| 6F | 480136400 | 16012100 | 16013100 | 934265 | 916400 |
Model G (Flapper Type) — Assembly Part Numbers
| Size | Assembly Part No. | Metal Repair Kit | Rubber Repair Kit | Puller Assembly |
|---|---|---|---|---|
| 1F-2R | 480151422 | 51988400 | 51988300 | 901422 |
| 2F-3R | 480152432 | 16013200 | 16013800 | 902432 |
| 3F | 480153400 | 16013300 | 16013900 | 903400 |
| 3.5IF | 480153600 | 16013300 | 51982000 | 903400 |
| 4R | 480154200 | 16013400 | 16014000 | 904200 |
| 4F | 480154400 | 16013500 | 16014100 | 904400 |
| 5R | 480155200 | 16013600 | 16014200 | 905200 |
| 5F-6R | 480155462 | 16013700 | 16014300 | 905462 |
Model GC, FA, FC (pressure monitoring / automatic fill) and coil tubing float valve part numbers available on request.
Interchangeable Spare Parts Available
DEENPU supplies interchangeable KET float valve assemblies, cages, plungers, flappers, springs, valve seals, side seals, repair kits (rubber & metal), and valve pullers for all Model F and Model G sizes. H₂S-resistant cages standard.
Ordering Information
To order, please specify: model (F / G / FC / FA / GC / GA / coil tubing), valve size, and items required (complete assembly, repair kit, or puller). Provide the KET part number for cross-reference where available.
Contact DEENPU for Orders & Technical Support
Email: SALES@DEENPU-MACHINERY.COM
Phone / WhatsApp: +86 18051728055
ATTN: LINDA HU
Address: Yandu District, Yancheng City, Jiangsu Province, China
Web: www.deenpu-machinery.com


Our company has been in the oil & gas drilling equipment industry for over more years, We are here to serve all your drilling equipment needs.
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