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?

Products

Home » Products » Drilling rig accessory equipment » Bop » API 16A hydraulic Double ram Bop/blowout preventer For Oil Well Control

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API 16A hydraulic Double ram Bop/blowout preventer For Oil Well Control

API 16A hydraulic Double ram Bop/blowout preventer For Oil Well Control

‘U’ type blowout preventers are the most widely used Ram-type BOP in the world. Without lightweight and lower profile, reliability is always the first priority during the design and manufacturing of BL ‘U’ type BOPs. It is designed so that hydraulic pressure opens and closes the bonnets thus fulfill the easy & quick ram change-out. All parts of our ‘U’ BOPs are matched to original OEM design which can reduce the maintenance time for customers since they can pick up any seal kits from local supplier.


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Product Description

Product Description

‘U’ type Ram Blowout preventers

‘U’ type blowout preventers are the most widely used Ram-type BOP in the world. Without lightweight and lower profile, reliability is always the first priority during the design and manufacturing of BL ‘U’ type BOPs. It is designed so that hydraulic pressure opens and closes the bonnets thus fulfill the easy & quick ram change-out. All parts of our ‘U’ BOPs are matched to original OEM design which can reduce the maintenance time for customers since they can pick up any seal kits from local supplier.

‘U’ type Ram BOP features:

-Bore size range: 7 1/16” - 21 1/4”

-Working Pressure: 2000psi - 15000psi

-Hydraulically Bonnet opening type

-Forged Body by 4130 Material

- Internal H2S trim is standard

-Wide range pipe ram available and interchangeable with OEM

-Shearing Ram available and interchangeable with OEM

-VBR Ram available and interchangeable with OEM

-Large Bore Shear Bonnets available and interchangeable with OEM

-Boosters available and interchangeable with OEM

-All seal kits are interchangeable with OEM

API 16A hydraulic Double ram Bop/blowout preventer For Oil Well Control

Model				FZ28-21	FZ35-21	FZ18-35	FZ28-35	FZ35-35B	FZ28-70	FZ35-70
Bore Dia.			mm	280	346	180	280	346	28	346
Bore Dia.			in	11	13 5/8	7 1/16	11	13 5/8	11	13 5/8
Rated Working Pressure			Mpa	21	21	35	35	35	70	70
Rated Working Pressure			Psi	3000	3000	5000	5000	5000	10000	10000
Shell Testing Pressure			Mpa	42	42	70	70	70	105	105
Shell Testing Pressure			Psi	6000	6000	10000	10000	10000	15000	15000
Recom.Hyd.Pressure			Mpa	8.4-10.5
Recom.Hyd.Pressure			Psi	1200-1500
Piston Dia.			mm	170	220	170	220	220	360	360
Piston Dia.			in	9	9	7	9	9	14 3/16	14 3/16
Liters to open			L	2.8	5.064	3.6	4.9	5.064	14.8	16.4
Liters to open			Usgal	1.3	1.34	0.95	1.29	1.34	3.93	4.33
Liters to close			L	3.18	5.768	4.3	5.6	5.768	16.8	18.5
Liters to close			Usgal	1.5	1.52	1.14	1.5	1.52	4.2	4.9
Weight	Singe Ram	Studdded	kg	3030	3377	1050	2181	3333	4200	6312
	Singe Ram	Flange	kg	3267	3505	1194	3412	3950	4890	5728
	Double Ram	Studdded	kg	4211	6498	2100	4932	6697	9508	12040
	Double Ram	Flange	kg	4332	6754	2245	6163	7314	9872

‘U’ Type BOP Inside Bop Buy Sucker Rod Bop Api 16a Sucker Rod Bop ‘Bolt cover’ type Annular BOP Annular BOP Cameron Sucker Rod Bop Sucker Rod Bop 5000 Psi Inside Bop Product

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 |