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 » Wellhead tools » Manual tongs » Wellhead manual pliers

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Wellhead manual pliers

They are completely interchangeable with other major manufacturer's tongs (Varco BJ, Woolley, and National Oilwell Varco). Each tong features tough, heavy -duty designs with heat-treated hinge pins and long-lasting "stagger tooth" tong dies (Blue Diamond, Pyramid). They are designed and manufactured according to API Spec 7K.


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Product Description

Product Description

Manual Tongs are necessary tools applied to make up and break out pipes. Changing lug jaws and latch steps can adjust different handling sizes of the tongs.

They are completely interchangeable with other major manufacturer's tongs (Varco BJ, Woolley, and National Oilwell Varco). Each tong features tough, heavy -duty designs with heat-treated hinge pins and long-lasting "stagger tooth" tong dies (Blue Diamond, Pyramid). They are designed and manufactured according to API Spec 7K.

TYPE SDD Manual Tongs (HT 100)

No.of Latch Lug Jaw	No.of Hinge Pin Hole	Latch Step	Size Range		Rated Torque
No.of Latch Lug Jaw	No.of Hinge Pin Hole	Latch Step	in	mm	lb▪ft	K▪Nm
1 #	l	1	4-5 1/2	101.6-139.7	100000	140
	l	2	5 1/2-5 3/4	139.7-146
	ll	1	5 1/2-6 5/8	139.7-168.3
	ll	2	6 1/2-7 1/4	165.1-184.2
	lll	1	6 5/8-7 5/8	168.3-193.7
	lll	2	7 3/4-8 1/2	196.9-215.9
2 #	l	1	8 1/2-9	215.9-228.6
	l	2	9 1/2-10 3/4	241.3-273
	ll	2	10 3/4-12	273-304.8
3 #	l	1	12-12 3/4	304.8-323.8	70000	100
	ll	1	13 3/8-14	339.7-355.6
	ll	2	15	381
4 #	ll	1	15 3/4	400	60000	80
5 #	ll	1	16	406.4
5 #	ll	2	17	431.8

TYPE DB Manual Tongs (HT 65)

No.of Latch Lug Jaw	No.of Hinge Pin Hole	Size Range		Rated Torque
No.of Latch Lug Jaw	No.of Hinge Pin Hole	in	mm	lb▪ft	K▪Nm
1 #	I	3 1/2-6	88.9-152	65000	90
	II	5 3/4-7	146-178
	III	6 5/8-8 1/4	168-210
2 #	I	8-9 5/8	203-244
2 #	II	10 5/8-11 1/4	270-286
3 #	I	11 3/4-12 3/4	298-324	40000	55
3 #	II	13 3/8-14 3/8	340-365
4 #	II	16-17	406-432

TYPE SB Manual Tongs (HT 55)

No.of Latch Lug Jaw	Latch Step	Size Range		Rated Torque
No.of Latch Lug Jaw	Latch Step	in	mm	lb▪ft	K▪Nm
1 #	1	3 1/2-4 1/8	88.9-104.78	55000	75
1 #	2	4 1/8-5	104.78-127
2 #	1	4 1/4-5 1/4	107.95-133.35
	2	5-5 3/4	127-146.05
	3	6-6 3/4	152.4-171.45
3 #	1	6 5/8-7 1/4	168.28-184.15
	2	7 3/8-8	187.33-203.2
	3	8 1/2-9	215.9-228.6
4 #	1	9-9 5/8	228.6-244.48	40000	55
4 #	2	10 5/8-10 3/4	269.88-273.05
5 #	1	11 3/4	298.45
6 #	1	12 3/4-13	323.85-330.2	30000	40
7 #	1	13 3/8	339.73	30000	40

TYPE AAX Manual Tongs

No.of Latch Lug Jaws	Size Range		Rated Torque
No.of Latch Lug Jaws	in	mm	lb▪ft	K▪Nm
1 #	2 7/8-3 3/4	73-95.25	40000	55
2 #	3 1/2-4 1/2	88.9-114.3	40000	55
3 #	4 1/4-5 1/4	107.95-133.35	55000	75
4 #	5-7	127-177.8
5 #	6 7/8-8 5/8	174.6-219.1
6 #	9-10 3/4	228.6-273.05	30000	40
7 #	10 3/4-11 3/4	273.05-298.45
8 #	13 3/8	339.7

TYPE WWB Manual Tongs

No.of Latch Lug Jaws	Size Range		Rated Torque
No.of Latch Lug Jaws	in	mm	lb▪ft	K▪Nm
1 #	2 3/8-3 3/4	60.3-95.25	35000	48
2 #	3 1/2-4 5/8	88.9-117.48
3 #	4 1/2-5 3/4	114.3-146.05
4 #	5 1/4-7 1/4	133.35-184.15
5 #	6 7/8-8 5/8	174.63-219.08
6 #	9-10 3/4	228.6-273.05	25000	35

TYPE C Manual Tongs (HT 35)

No. of Latch Lug Jaws	Short Jaw	No. of Hinge Jaw	Size Range		Rated Torque
No. of Latch Lug Jaws	Short Jaw	No. of Hinge Jaw	in	mm	Lb▪ft	kN▪m
1#	2 3/8-7	/	2 3/8-3.668	60.33-93.17	15,000	20
2#			2 7/8-4 1/4	73.03-108	15,000	20
3#			3 1/2-5 1/4	88.9-133.35	25,000	35
4#			7-8 5/8	139.7-177.8	35,000	48
5#		1#	9 5/8-10 3/4	177.8-219.08	25,000	35
6#	7 3/8-10 3/4	2#		244.5-273.05	32,000	44

Extended Casing Tongs

Casing tong is necessary to make up or break out the screws of casing and casing couplings. The handing size of casing tong can be adjusted by changing the lug jaw. The available range of casing tong is from 13 3/8 inch to 30 inch.

Pipe Size		Rated Torque
mm	in	lb▪ft	K▪Nm
340-368	13 3/8-14 1/2	25000	35
368-406	14 1/2-16
406-445	16-17 1/2
445-483	17 1/2-19
483-508	19-20
508-546	20-21 1/2
546-584	20 1/2-23
610-648	24-25 1/2
648-686	25 1/2-27
686-724	27-28 1/2
724-762	28 1/2-30
762-800	30-31 1/2
800-838	31 1/2-33
838-876	33-34 1/2
876-915	34 1/2-36

TYPE DB Manual Tongs Manual Tongs SSD Manual Tongs TYPE SB Manual Tongs (HT 55)

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 |