spotting drills
NWZ water pipeline spotting drill for PVC and PE pipes
- Type 1300
- Working pressure PN16
- Gate valve grey cast iron GJL 250
- Clamp ductile cast iron GJS 500-7
- Diameters DN90 – DN160
- Outlets 40mm, 50mm
- Temp. max. 40°C – for water
NWZ water supply spottting drill for PVC and PE pipes is mainly used in water supply systems to drill under pressure using a drilling jig and coated with the best quality epoxy resin anti-corrosion coatings.
APPROVAL
National Hygiene Institute Warsaw.
TECHNICAL DATA
Threaded connection acc. to PN-EN 228-1.
Requirements and tests according to PN-EN 1074 – 1 and 2
CONSTRUCTIONAL FEATURES
- Drilling under pressure using a drilling machine.
- Foot integrated with threaded gate valve cat.-no. 2630, 2640. 2630, 2640.
- Outlets with threads G11/2″ and G2″.
- Can be assembled on PVC and PE pipes.
- Full, smooth, equal-flow and cavity-free passage.
- Sealing of the stem with three o-rings.
- Body and cover made of grey cast iron EN-GJL 250.
- Foot with internal thread and clamp made of ductile cast iron EN-GJS 500-7 lined with rubber.
- Stainless steel stem with cold rolled thread.
- Wedge suspension nut on the stem – non-replaceable, made of brass, hot-dipped in the wedge of the gate valve.
- Wedge made of spheroidal cast iron, vulcanized inside and outside with EPDM rubber with hardness of 70±5°Sh.
- Bolts connecting the cover to the body – blind threads, fully protected against corrosion with paraffin-wax compound.
- Internal and external corrosion protection by epoxy powder paint RAL 5005 with a thickness of min. Epoxy powder paint RAL 5005 with minimum thickness 250μm and 3kV resistance.
Download catalogue card
“Nawiertka wodociągowa NWZ/PE PN16 do rur PVC i PE – 1300”
Download declaration of performance
“Nawiertki typu NWZ”
