The SUNTECHMACH STB80 heavy-duty manual hydraulic pipe bender is designed for precision cold bending of thick-walled pipes (gas, water and steam pipes, black iron pipes, galvanized pipes, Schedule 40 & 80) up to 90°, following GB/T 3091, DIN 2440, EN 10255 and BS 1387 standards. With 20T of hydraulic force and a 290mm stroke, it bends 1/2"-3" pipe on site without electricity. Built on a one-piece welded steel frame with wheels and foldable stand for easy job-site transport.

Key Features

• 20T Bending Force — Bends 1/2"-3" (21.3-80mm) thick-wall steel pipe with ease.
• 8 Bending Shoes Included — 1/2" to 3" (8 sizes), ready out of the box.
• 290mm Long Stroke — Deep, one-pass bends without repositioning.
• One-Piece Welded Frame — No bolted joints; stable under continuous load.
• Wheels & Foldable Stand — Roll across the site, fold flat, one-person setup.
• No Power Required — Manual hydraulic pump works anywhere on site.

Technical Specifications

What's Included

• 1x STB80 bending machine
• 8x Bending shoes (1/2" to 3")
• 1x Hydraulic hand pump & handle
• 1x Swagging blocks set
• 1x Operation manual + 12-month warranty card

Applications

• Plumbing, sanitary and heating installation on construction sites
• Fire protection and sprinkler pipework
• Water & gas pipeline construction
• Apparatus and boiler making
• HVAC piping
• Industrial maintenance workshops

Packaging & Quality Assurance

Packed in carton + pallet (wooden case for export). Every machine is tested before shipment under our ISO9001 quality system; at least one pipe is bent on every machine before packing.

After-Sales Support

• 12-month warranty
• Spare parts supply for all SUNTECHMACH models
• WhatsApp: +86-13777804353 ｜ Email: vivian@cnsuntech.com
• Multilingual support team (English / Russian / Japanese / French)

Operation Guide

1. Tighten the release valve by turning clockwise.
2. Loosen the vented oil bolt.
3. Grease the die cover, swagging blocks and the pipe to be bent.
4. Lift the upper plate and affix the bending die to the end of the cylinder ram.
5. Turn the swagging blocks so their grooves face the pipe die.
6. Make sure the pipe extends beyond the swagging blocks (accounts for pipe shortening during bending).
7. Set the swagging blocks closer together for short pipes.
8. Return the upper plate to position and advance the die.
9. Use the forming pump to apply pressure and bend the pipe to the desired angle (max 90°).
10. Release pressure with the release valve; the ram retreats automatically; lift the upper plate to remove the bent pipe.
11. For a clean right-angle finish, start with the swagging blocks at the pipe end and work inward.

Common Faults & Solutions

FAQ

1. WHO ARE WE? — We are a professional pipe machine manufacturer in Hangzhou, China. Our team has worked in the pipe tool industry since 1989, and the company was registered in 2014. We are close to Shanghai, Ningbo and Yiwu ports, exporting mainly to North & South America, South Asia and the Middle East.
2. HOW CAN WE GUARANTEE THE QUALITY? — We always test at least one pipe on every machine before shipping. All our machines carry a 12-month warranty.
3. WHAT CAN YOU BUY FROM US? — Pipe threading machines, roll grooving machines, pipe cutting machines, pipe bending machines, plastic pipe welding machines, pressure test pumps and pipe tools.
4. WHY SHOULD YOU BUY FROM US? — We offer a full range of pipe tools; you can mix different models in one shipment. Multilingual support: English, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian.
5. HOW LONG IS THE LEADTIME? — Usually 10-35 days after payment, depending on motor voltage customization.
6. HOW CAN YOU PLACE ORDER? — We accept T/T payment to our company account; online shop payment by credit card is also available.
7. HOW TO SHIP? — By sea to port for bulk orders; door-to-door delivery for small shipments.
8. WHAT IS THE MOQ? — No strict MOQ; however, we recommend an order amount of at least USD 2000 for cost-effective overseas shipping.
9. IS OEM ACCEPTABLE? — Yes. For bulk orders we can make nameplates and customized packaging in your brand.