Pipespool Fabrication

Process

As an established production-company, Hertel fabricate pipes for the petrochemical, chemical, process and power industries using integrated production planning systems.

Pipespool Fabrication

The range of services covers:

prefabrication of pipe-isometrics / - spool up to nominal size DN 2000
fabrication of components
computerised work-preparation and -control (electronic workflow)
3-shift operation, 7 days a week
25,000 working hours per month in fabrication
CAD-controlled engineering work (software program “Spoolgen”)
Non-destructive materials testing
Acceptance testing activities
Documentation according to project specifications
Packing and transport of spools
Cutting pipes and sectional steels to size
Weld seam preparation: welding bevels of pipe ends, nozzle and nozzle holes
Trough-bore holes
Core drilling
Pipe bending
Welding (TIG, MAG, E and orbital welding)
Pressure testing
procurement, material management

Technical Configuration

CNC-controlled pipe-bending
Neck outs
Computer-controlled blow-torch cutting-off machine for pipe fittings (plasma and autogenous) for pipe diameters up to 48”
Band saw machines for pipes and section steel up to 20”
Bevelling and pipe-end machining system for sizes 2”-24”
Electric pipe cutting and bevelling machines for sizes up to 12”
Mobile hydraulic pipe cutting and bevelling machines for sizes 2”-32”
plasma-welding of flange-welds up to DN 400
electrode- / TIG-welding-machines
MAG automatic welding machine for pipe up to 24”
Mobile automatic orbital welding machine for pipe up to 32”
MAG welding machines
orbital-welding by use of chamber-process
WIG inverter, water cooled, also AC/DC
Forming chambers and facilities
Machines for boring through holes and core drilling
available NDE-processes

X-ray
MPI magnetic particle test
DPI dye penetration test
UT ultrasonic test
PMI positive material identification
Documentation on heat numbers
Pressure test devices + recorder for pressure-tests

crane capacities: 10-20 tons
Erection aids, runways

All steps of the production-flow from material-receipt until delivery are central controlled and supervised by using a computerised workflow.

The most advanced standards of material-choice, fabrication-process and quality-assurance are covered.

Quality-management is proven by certification acc. ISO 9001, certificates of competence acc. DIN 5563 and DVGW AD-HP0 as well as all needed WPQR. The computerised link of all work-steps allows continuous transparency as well as back-tracing on the complete workflow.

Of course, detailed documentation of fulfilling all requests by technical specifications, individual standards and law are part of our spectrum. The documentation allocated to the particular product as the component parts and evidence of the isometric with all hold-ponts and results is handed out to the customer.