YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

Yes. YP Petro accepts OEM/ODM orders based on customer drawings, technical specifications, or reverse-engineered samples. Our engineering team can confirm feasibility, recommend material upgrades, and provide quotations within 3-5 working days.

What power end parts does YP Petro manufacture?

YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

What other fluid end parts does YP Petro supply?

In addition to cylinder liners, YP Petro supplies a complete range of fluid end parts, including pistons, piston rubber, valve bodies, valve seats, valve rubber, liner seals, cylinder head gaskets, valve cover seals, piston rods, clamp assemblies, valve covers, cylinder heads, flange heads, cylinder flanges, cylinder covers, and inhalation capsules. We also supply dampener diaphragms, pressure gauges, fittings, relief valves, and exhaust valves.

What size range of cylinder liners does YP Petro offer?

YP Petro cylinder liners are available in metric sizes from 100mm to 180mm and imperial sizes from 3" to 7.5" (including 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.25", 6.5", 6.75", 7", 7.25", 7.5"). Custom sizes are available on request.

What is the difference between bi-metal, ceramic, chrome-plated, and high-frequency quenching cylinder liners?

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Home » Products » Drilling rig rotary system » Drill string » API Oillfield Equipment Drill Pipe Kelly Spinners Type 6800

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API Oillfield Equipment Drill Pipe Kelly Spinners Type 6800

API Oillfield Equipment Drill Pipe Kelly Spinners Type 6800

Kelly spinner is a special equipment to connect single pipe by matching with mouse hole clamping device. It unitizes air or hydraulic motor to drive kelly to rotate, And is has the features of security, timr- saving time and high efficiency. It is designed and manufactured according to API Spec 8C "Specification For Drilling and Production Hoisting Equipment".

Model:
all
Brand:
Xinhuafa
Code:
84139100


SKU:
Availability:



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Product Description

Product Description

API Oillfield Equipment Drill Pipe Kelly Spinners Type 6800

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Kelly spinner is a special equipment to connect single pipe by matching with mouse hole clamping device. It unitizes air or hydraulic motor to drive kelly to rotate, And is has the features of security, timr- saving time and high efficiency. It is designed and manufactured according to API Spec 8C "Specification For Drilling and Production Hoisting Equipment".

Model		A6C	6600	6800
Item Specifications		A6C	6600	6800
Drivel mode		Pneumatic		Hydraulic
Max. static load		2250kN
Pressure	MPa	0.5-0.9	0.5-0.9	16
Pressure	Psi	72-130	72-130	2320
Brake torque	Nm	1500	1500	1650
Brake torque	ft.lbf	1100	1100	1215
Idle speed	rpm	130	130	120
Rotating direction		double direction
Air consumption/flow		18.6m3/min	15 m3/min	91L/min
Air consumption/flow		656 ft3/min	529 ft3/min	24 gpm
Stem connection		6-5/8 REG LH
Size	mm	7607601225	740710978	740710978
Size	in	303048	292838.5	292838.5
Weight	kg	540	500	504
Weight	lb	1190	1100	1110

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FAQ

Q YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

A
Yes. YP Petro accepts OEM/ODM orders based on customer drawings, technical specifications, or reverse-engineered samples. Our engineering team can confirm feasibility, recommend material upgrades, and provide quotations within 3-5 working days.
Q What power end parts does YP Petro manufacture?

A
YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.
Q What other fluid end parts does YP Petro supply?

A
In addition to cylinder liners, YP Petro supplies a complete range of fluid end parts, including pistons, piston rubber, valve bodies, valve seats, valve rubber, liner seals, cylinder head gaskets, valve cover seals, piston rods, clamp assemblies, valve covers, cylinder heads, flange heads, cylinder flanges, cylinder covers, and inhalation capsules. We also supply dampener diaphragms, pressure gauges, fittings, relief valves, and exhaust valves.
Q What size range of cylinder liners does YP Petro offer?

A
YP Petro cylinder liners are available in metric sizes from 100mm to 180mm and imperial sizes from 3" to 7.5" (including 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.25", 6.5", 6.75", 7", 7.25", 7.5"). Custom sizes are available on request.
Q What is the difference between bi-metal, ceramic, chrome-plated, and high-frequency quenching cylinder liners?

A
| Type | Inner Material | Hardness | Service Life | Best For |
| Bi-Metal | High-chromium cast iron | HRC 62 | 800h+ | General high-pressure, abrasive drilling |
| Ceramic | Al₂O₃ or Zirconia | HRC 80+ | 1500h+ | Extreme abrasion, high-sand formations |
| Chrome-Plated | Hard chrome coating | HRC 55 | 300-400h | Moderate conditions, budget operations |
| High-Frequency Quenching | Quenched alloy iron | HRC 50 | 200-300h | Light-duty, low-cost applications |