| After-sales Service: | Provided |
|---|---|
| Warranty: | 3 Months |
| Certification: | ISO 9001:2000 |
| Standard: | API |
| Manufacturing Process: | Forging |
| Material: | Carbon Steel |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | Model | DHD340 | DHD350 | DHD360 | DHD380 |
| Length(Lessbit) | 1032 mm | 1209 mm | 1063 mm | 1492 mm |
| Weight (Lessbit) | 43kg | 78.5kg | 100.5kg | 190 kg |
| External diameter | 99mm | 125mm | 142mm | 180mm |
| Hole Range | φ110-135 mm | φ135-155 mm | φ150-190 mm | φ195-254 mm |
| Connection Thread | API2 3/8"REG | API2 3/8"REG | API3 1/2"REG | API4 1/2"REG |
| WorkingPressure | 1.0-2.2MPa | 1.0-2.5MPa | 1.0-2.5MPa | 1.5-3.3MPa |
| Recommended rotation speed | 30-60 r/min | 30-60 r/min | 30-60 r/min | 30-60 r/min |
| Air consumption | 5.5m³/min (1.0MPa) | 9m³/min (1.0MPa) | 20m³/min (1.0MPa) | 26m³/min (1.8MPa) |
| 10m³/min (1.8MPa) | 15m³/min (1.8MPa) | 28m³/min (1.8MPa) | 34m³/min (2.4MPa) | |
| Parts | Weight (kg) | |||
| Top sub | 8.8 | 14.7 | 20.3 | 42 |
| "O" Ring | 0.01 | 0.02 | 0.02 | 0.02 |
| Check Valve | 0.46 | 1 | 0.8 | 1.3 |
| Spring | 0.04 | 0.06 | 0.05 | 0.09 |
| Rubber Buffer | 0.2 | 0.06 | 0.3 | 0.4 |
| Valve Seat | 2.1 | 4.2 | 5 | 13 |
| Inner Cylinder | 2.45 | 4.9 | 4 | 9.1 |
| Piston | 9 | 15.5 | 23.5 | 41.5 |
| Piston Case | 159 | 30.3 | 37.2 | 62.5 |
| Retainer Ring | 0.2 | 0.3 | 0.6 | 1.2 |
| Drive Chuckk | 3.7 | 7.1 | 6 | 18.2 |
| Adjuster Ring | / | 0.1 | / | 0.2 |
| Ring Lock | / | 0.2 | / | / |
| adjuster Shim | / | / | / | 0.2 |
| Guided Sleeve | / | / | 2.5 | / |
Suppliers with verified business licenses
Audited Supplier 
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