Shandong Rosenwell petroleum technology Co.,Ltd (hereinafter as Rosenwell company) is located in Dongying City, Shengli Oilfield which is the second largest oilfield and the largest petroleum industry base in China. Rosenwell company is a professional company engaged in petroleum equipment and spare parts. Based on our domestic business with Shengli oilfield and professional engineering & commercial team, Rosenwell had built up a solid network and same-boat partnership with worldwide clients. The Key advantages are: OEM quality, 100% interchangeable, Competitive prices, In-time delivery, after-sales warranty service. The major scope of our products are, Top Drive System Spares, Mud pumps & spares, handling tools, BOP and BOP spares of RAM, Seals, etc. We sincerely look forward to the chances of serving esteemed customers from all over the world and win-win business in the long run.
We are always your reliable partner for spares of mud pump in China, top drive system and rigs accessories.
Iron Roughneck Introduction

The NOV ST - 80 Iron Roughneck is a high - performance equipment in the oil and gas drilling industry, which is designed to handle various drilling operations with efficiency and reliability. It is capable of making and breaking drill pipe connections quickly and accurately, reducing the time and effort required for these tasks.
Specifications:
• Weight: It weighs 7,800 lbs (3,538 kg).
• Hydraulic Requirements: The minimum hydraulic requirement is 28 gpm @ 2,100 psi (106 lpm @ 145 bar), and the maximum is 40 gpm @ 3,000 psi (151 lpm @ 207 bar).
• Tubular (Tool Joint) OD Range: It can handle tubulars with an outer diameter range of 4 - 1/4" to 8 - 1/2".
• Spin Speed: The spin speed is 75 rpm (nominal on 5" dp).
• Spin Torque: It has a spin torque of 1,750 ft - lbs (2,373 Nm).
• Maximum Make - up Torque: The maximum make - up torque is 60,000 ft - lbs (81,500 Nm).
• Maximum Break - out Torque: The maximum break - out torque can reach 80,000 ft - lbs (108,500 Nm).
• Connection Height: The connection height ranges from 23" to 59" (584 mm to 1,498 mm).
• Horizontal Travel: It has a horizontal travel of 60" (1,524 mm).
• Slew: The slew angle is ± 90°.
• Torque Wrench Rotation: The torque wrench rotation is 30°.
Features:
• Powerful Torque: It can generate high torque to handle heavy - duty drill pipes. The torque output is precisely controlled to ensure proper connection and disconnection without damaging the pipe threads.
• Robust Construction: Built with high - quality materials, the ST - 80 has a durable structure that can withstand harsh working conditions. Its components are designed for long - term use and require minimal maintenance.
• Advanced Control System: Equipped with an intelligent control system, it allows for easy operation and adjustment. Operators can set parameters such as torque, speed, and clamping force according to different drilling requirements.
• Safety - First Design: The tool is equipped with multiple safety features, including emergency stop buttons, safety interlocks, and overload protection. These features ensure the safety of the operators and prevent damage to the equipment.
Technical Specifications:
• Torque Range: It typically offers a torque range from [minimum torque value] to [maximum torque value] ft - lbs, suitable for a variety of drill pipe sizes.
• Pipe Handling Capacity: Can handle drill pipes with diameters ranging from [minimum diameter] to [maximum diameter] inches.
• Operating Pressure: The recommended operating pressure is within the range of [minimum pressure] to [maximum pressure] psi.
• Weight and Dimensions: The weight and dimensions of the ST - 80 are designed to be compatible with different drilling rigs, facilitating easy installation and operation.
Warranty:
-Reliable quality, tested and approved by market.
-Competitive price, creating added value to our partner.
-Stock availability ,ensuring shortest lead time.
Main Products:
All type of mechanical and rubber seals,rings / Repair kits both hydraulic and mechanic./ Regular expendable assembly.
Description |
Part Number |
Remote Valve Control (handle turned down) |
30171622 - 500 |
Remote Valve Control (handle turned up) |
30171622 - 501 |
Slide Ring (lower brass ring) |
30173757 |
Slide Ring (upper brass ring) |
30160745 |
Bumper Plate (LH) |
30175356 - 500 |
Bumper Plate (RH) |
30175356 - 501 |
Knurled Roller |
30160614 |
Side Plate (LH) |
30160393 - 500 |
Side Plate (RH) |
30160393 - 501 |
Clamp Cylinder Lower Pin |
30174119 |
Pivot Pin |
30175409 |
Hinge Upper Pin |
30172502 |
Sw Hinge Pin |
30160612 |
Clamp Cylinder Upper Pin (short head) |
30172503 |
Clamp Cylinder Upper Pin (long head) |
30174118 |
Die Holder |
30160383 |
Lower Die Holder Assembly |
418 - 0111 |
Upper Die Holder Assembly |
418 - 0110 |
Upper Kit |
PDT - ST80 - KIT |
Lower Kit |
PDT - 30160382 - KIT |
Screw, Cup - Hex Head |
5006 - 08 - C |
Key, 16x10x70mm |
30160617 |
Bearing, Roller |
30160731 |
Push Ring Bearing |
30160397 |
Screw Cap S. Head |
30171431 |
Seal Assy |
30160666 - 2 |
Set Screw |
55708 - 6 - B |
Screw Set - Socket Head |
50708 - 03 - A |
Washer Nord Lock, 3/8 |
30183573 - 006 - C |
Filter, Pressure |
82747 - R |
Assembly, Extension Arm |
30180453 |
SCREW, CAP HEX HEAD 1/2"-13 x 1-3/4"L |
50008-14-C5D |
O-RING |
51300-226-B |
MOTOR, HYDRAULIC, MACH TDS-9, TDS-11 |
114375-1 |
Bearing Shot Pin |
30112626 |
SLEEVE, SHOT PIN |
118563 |
PIN, COTTER |
51402-16 |
NUT, HEX-SLOTTED (UNC-2B) |
50508-C |
BOLT, RETAINER JAW .5 X 6.5 |
30122112 |
RETAINER, DIE |
30122111 |
JAW |
30122110 |
DIE, TONG 1/2" X 1-1/4" X 5" 16401-2 JOT Part 55551-B |
16401-2 |
Die, Lower ST-80 |
30160382 |
SCREW SET, SOCKET HEAD |
50708-12-O-C |
Screw, set-socket head UNC-2A |
50708-14-B-C |
BUSHING, BRONZE |
30175109-2 |
BUSHING, BRONZE |
30175109-1 |
BUSHING, BRONZE |
30174124-5 |
BUSHING, BRONZE |
30174124-3 |
BUSHING, BRONZE |
30174124-2 |
BUSHING, BRONZE |
30173607-8 |
BUSHING, BRONZE |
30173607-6 |
BUSHING, DP4 HI PRO, SELF LUBE |
30172475-28-24 |
BUSHING, DP4 HI PRO, SELF LUBE |
30172475-28-28 |
BUSHING, DP4 HI PRO, SELF LUBE |
30172475-28-16 |
ASSEMBLY, CYLINDER, TORQUE, LH |
30160684 |
PIN, CLAMP CYL, UPPER |
30172503 |
PIN, CLAMP CYL, UPPER |
30174118 |
PIN, HINGE UPPER |
30172502 |