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Multi-Function Dual-Gun
Spray & Wrap Line

One line, two pipe types — steel and ductile iron. Minute-level changeover, 3–5 operators.

Multi-Function Dual-Gun Spray & Wrap Line3D Overview

Refer to 3D diagram above — production flows right to left

After shot-blast descaling, pipes enter the line:

PU Spray Process

Spray Line 1

Induction Heating

PU 1st Spray

Spray Line 2

PU 2nd Spray

Spray Line 3

Transfer Platform

Semi-finished Pipe

PE Wrap Process

Wrap Line 1

PE Extrusion

Spray Cooling Wrap 2

Cutting

Wrap Line 3

Storage Platform

Pipe End Treatment

Finished Pipe

Specs & Efficiency

DN500–DN1800, for both steel and ductile iron

Specifications

Diameter DN500–DN1800
Pipe Types Steel + Ductile Iron
Steel Pipe Length 6–13.2m
Iron Length 6–8m
Insulation 30–140mm
PE Jacket 3–18mm
Operators 3–5persons

Output per 8h Shift

Steel 12m — DN700 ≥34 pcs
Steel 12m — DN1000 ≥28 pcs
Steel 12m — DN1400 ≥10 pcs
Steel 12m — DN1800 ≥7 pcs
Iron 8m — DN700 ≥51 pcs
Iron 8m — DN1000 ≥42 pcs
Iron 8m — DN1800 ≥9 pcs
View Full Output Table
DN Insulation(mm) Min Jacket(mm) Steel 12m pcs/8h Iron 8m pcs/8h
1800 60–120 11.0 ≥7 ≥9
1600 50–120 9.0 ≥9 ≥12
1400 50–120 9.0 ≥10 ≥15
1200 40–100 8.0 ≥12 ≥18
1100 30–60 7.0 ≥26 ≥39
1000 30–60 6.5 ≥28 ≥42
900 30–60 6.0 ≥30 ≥45
800 30–60 5.5 ≥32 ≥48
700 30–60 5.0 ≥34 ≥51

Line Features

The only line handling both steel and ductile iron pipes

One Line, Two Types

Steel and ductile iron on one line

Quick Changeover

Size change in minutes, no extra tooling

Smart Control

Auto-adjust parameters, real-time monitoring

Adjustable Thickness

PU/PE thickness on demand, no die change

Continuous Production

Saves material, reduces labor

Cold Weather Ready

In-line heating, year-round production

Full Safety

Complete safety systems included

Production Site Photos

Equipment in real production conditions

Production Line Video

Production Line Video

Click to play

Descaling

Descaling

Shot-blast descaling

PU Spray

PU Spray

Continuous insulation spray

PE Wrap

PE Wrap

PE jacket wrapping

Pipe End

Pipe End

Pipe end treatment

Core Equipment Suppliers

Two international brand options for spray machine and extruder

Graco
Spray Machine — Option 1

Graco

USA Import · Power 21kW · Output 20kg · Max大压力2000psi

Carlisle
Spray Machine — Option 2

Carlisle

USA Import · No pulsation · 5–15% output increase · Auto动变比补偿（0.5–2%）

Cincinnati Battenfeld
Extruder — Option 1

Cincinnati Battenfeld

Screw 90mm · L/D 40:1 · Output 1,500kg/h · Motor 370kW

KraussMaffei
Extruder — Option 2

KraussMaffei

Screw 90mm · L/D 36:1 · Output 1,600kg/h dual co-extrusion · Motor 550kW

Tell us your pipe specs.
We'll design the line.

Diameter, insulation, daily output, factory dimensions — send us the details.

Request Quote