Product Description
The 1200 mm hydraulic butt‑fusion welding machine is heavy‑duty semi‑automatic welding equipment purpose‑built for large‑diameter thermoplastic pipes and fittings, covering an outer‑diameter welding range of 630‑1200 mm. Built with a reliable hydraulic drive system, it fully complies with international welding standards including ISO 12176‑1, DVS 2207 and ASTM F2620. It delivers high‑precision, leak‑tight, high‑strength butt joints for HDPE, PP and PVDF pipes and fittings. Widely deployed in municipal water supply, gas distribution, industrial wastewater treatment, mining and large‑scale pipeline projects, it produces weld joints whose tensile strength matches that of the base pipe material.
Technical specifications
Ranges of tee: 710mm－1200mm
(710mm-800mm-900mm-1000mm-1200mm)
◆ Ranges of cross: 710mm－1200mm
(710mm-800mm-900mm-1000mm-1200mm)
Ranges of elbow(n×11.25°): 710mm－1200mm
(710mm-800mm-900mm-1000mm-1200mm)
Ranges of application: PE,PP and PVDF
Working voltage: ～380V ±10%,50Hz
Total power: 73.5 kW , including: planing tool motor: 4 kW, heating plate: 62 kW, hydraulic unit motor: 7.5 kW
PTFE coated heating plate, high accuracy temperature controller, difference in heating plate surface temperature ≤±5°; PLC control system;
Environment temperature: －10° ～ 45°
Electronic count-down timer for heating and cooling time.
Whole machine consists of four parts: basic frame ( including: heating plate, planing tool, and hydraulic system), elbow clamps, tee clamps, and cross clamps
1. Compliant with International Standards
Fully satisfies welding‑process requirements per ISO 12176‑1 and other global industry standards.
2. High‑precision Welding Performance
Weld joint maximum tolerance ≤ 0.3 mm, delivering perfectly flush mating surfaces.
3. Low Initial Welding Pressure
Consistent welding quality even for small‑diameter pipe fittings.
4. Flexible Interchangeable Welding Jigs
Enables reliable welding for multiple fittings including elbows, tees and flanges.
5. Dual‑channel Independent Timer
Separately tracks heating‑soaking and cooling welding phases.
6. Optional Welding Data Logger
Enables welding‑parameter logging and full traceability of every weld.
7. Shock‑resistant Pressure Gauge
Delivers stable, legible readings for precise pressure regulation.
Applications of 1200 mm Butt Fusion Welding Machine
1. Municipal Water Infrastructure
Thanks to outstanding corrosion resistance and long service life, large‑diameter HDPE pipes are widely adopted in urban water‑distribution networks.
2. Gas Distribution Networks
Creates robust, leak‑tight weld joints that meet safety demands for gas transmission projects.
3. Wastewater & Sewage Systems
Superior chemical‑resistance of HDPE makes it well‑suited for sewage‑treatment pipeline facilities.
4. Mining Operations
Ideal for mine slurry conveyance and dewatering pipelines operating under harsh, high‑durability requirements.
5. Industrial Processing Plants
Serves fluid‑transfer piping systems for chemical, pharmaceutical and general manufacturing facilities.
FAQ
Q: What pipe sizes can a 1200mm hydraulic welding machine handle?
A: Standard models weld pipes from 630mm to 1200mm, with optional reducers for intermediate sizes like 710mm, 800mm, 900mm, and 1000mm.
Q: What materials can be welded?
A: HDPE, PP, PB, PVDF, and MPP pipes and fittings.
Q: What power supply is required?
A: Most machines require 380V / 50Hz, 3-phase power. A 30 kVA generator is recommended for field operations.
Q: How long does it take to weld a 1200mm pipe?
A: Total cycle time (facing + heating + fusion + cooling) typically ranges from 30–60 minutes depending on wall thickness and ambient conditions.
Q: Are these machines portable?
A: While heavy (2,600–3,000 kg), they are designed for transport to job sites and can be operated with a mobile generator.
Q: What is the typical lead time?
A: Standard lead time is 7–15 working days from order confirmation.
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