ZESAH Bolt Tech

Precision Bolting Solutions for Critical Assemblies

ZESAH Bolt Tech offers advanced bolting systems for safe, efficient, and accurate tightening across oilfield and industrial applications.

ZESAH Bolt Tech

Zesah is a recognized leader and specialist in high-performance bolting technology. We don’t just supply tools; we design and manufacture real-world solutions for critical applications.

• Torque Tools: Delivering precise, controlled tightening.
• Tension Tools: Ensuring uniform load and optimal joint integrity.
• Flange Management Systems: Providing comprehensive tools for safe and efficient flange joint maintenance.

The Zesah Advantage: Innovation and lateral thinking are at the core of our operations. This passion allows us to consistently engineer products that solve complex challenges. We source only high-yield strength and corrosion-resistant raw materials from globally reputed mills, guaranteeing that every Zesah product meets the industry’s highest standards of quality and durability

Square Drive Torque Wrenches

Low Profile Torque Wrenches

Pneumatic & Electric Torque Systems

Zesah provides powered, non-impact torque solutions for speed, repeatability, and noise reduction.

System	Pneumatic Torque Wrench	Electric Torque Wrench
ZESAH Designation	PTW Series	ETW Series (8 Models, up to 5,000 Nm)
Key Advantage & Use	Ideal for high-volume fastening applications and environments requiring low noise and explosion-proof operation. Offers continuous gearing for smooth, non-ratcheting torque delivery and minimal noise. Comes with a lifetime buy-back guarantee.	The ultimate portable solution for simplified, accurate bolting using a standard single-phase power supply. Features a remodeled high-resolution display for easy user interface and highest power-to-weight ratio in its class.

Bolt Tensioners (HBT)

Torque Pumps

Zesah pumps are the essential energy conversion devices engineered for high performance, high durability, and reliability under rigorous application demands.

Pump Type	Drive System	Output Pressure Range	Key Features & Benefits
Torquing Pumps	Electric or Pneumatic	Up to 700 Bar (10,000 psi)	High-performance, two-stage design provides higher cross-over pressure for faster cycle times. Equipped with remote pendant and protective frame.

Tensioning Pumps

Zesah pumps are the essential energy conversion devices engineered for high performance, high durability, and reliability under rigorous application demands.

Pump Type	Drive System	Output Pressure Range	Key Features & Benefits
Tensioning Pumps	Electric or Air-Driven	Up to 2,000 Bar (29,000 psi)	Fast system fills (low pressure) and controlled flow (high pressure) for safe, accurate operation. Smart pumps available to reduce operator error.

Hand Pumps

Zesah pumps are the essential energy conversion devices engineered for high performance, high durability, and reliability under rigorous application demands.

Pump Type	Drive System	Output Pressure Range	Key Features & Benefits
Hand Pumps	Manual (Hydraulic)	700 bar to 1,600 bar	Portable, general-purpose, high-pressure units for cylinder and bolt tensioner applications.

Hydraulic Flange Spreaders

Safe and efficient flange joint maintenance requires specialized tools that eliminate the risks associated with manual, improvised methods.

Hydraulic Flange Spreaders

Zesah spreaders safely and precisely separate stubborn joints for inspection and gasket replacement, protecting joint components from damage.

Model / Feature	Technical Specification	Operational Benefit
Standard/Maxi Kit	Max Spreading Force: 140 KN	High-tonnage output for separation of large, stubborn flanges.
Access Requirement	Minimum required gap: 6 mm	Allows for use on a wide variety of pipe flanges.
Spreading Distance	Max. 61 mm (up to 81 mm with stepped blocks)	Sufficient spread distance for any gasket or ring groove inspection.
Safety	Max Spreading Force: 140 KN	Ensures stability and operator protection during maintenance.
Low-Clearance Model	5 and 10 Ton Capacity, 700 Bar	Features a Secure Hold design, providing a stable, no-pinch-point solution for tight spaces.

Hydraulic Nut Splitters

A safe, quiet, and fast solution for removing seized or corroded nuts without damaging the underlying bolt or stud thread.

Feature	Operational Advantage	Impact on Maintenance
Safety	No flame, no spark, no flying fragments.	Eliminates fire/explosion risk in volatile environments; improves diver safety.
Speed	Cuts a 3′′ nut in 20 to 30 seconds.	Reduces downtime significantly compared to conventional cutting or chiseling.
Precision	Calibrated chisel only cuts the nut.	Prevents damage to costly bolt and stud threads, allowing their reuse.

Hydraulic Hoses

Product	Functionality & Key Features	Technical Advantage
Hydraulic Hoses	Four-layer nylon design with dual steel wire braids. Max. 2,500 bar operating pressure.	Lightweight and small bend radius for easy setup; high 4:1 design factor for safety in demanding conditions.
Certification	Unique Calibration Certificate	Provided with every pneumatic and electric torque wrench, ensuring full traceability and certified accuracy.

Manual Gear Puller

Product	Functionality & Key Features	Technical Advantage
Manual Gear Puller	Unique "Safety Cage" system; self-centering, anti-eccentric load.	Ensures the safety cage firmly fixes the work-piece with good skid-resistance and extends screw rod life. Slim, tapered jaws for narrow space access.
Certification	Unique Calibration Certificate	Provided with every pneumatic and electric torque wrench, ensuring full traceability and certified accuracy.

Industries Served

Oil & Gas (Upstream / Midstream / Downstream)

Petrochemical & Process Plants

Power Generation Facilities

Dimensional & Tolerance Verification (1)

Heavy Manufacturing & Steel Plants

Renewable Energy (Wind / Solar)

Refineries & Industrial Units

Certifications & Compliance

Tools calibrated as per ISO 17025

Operators trained under HSE and OEM protocols

Torque and tension logs for QA/QC