Welded Bonnet Needle Valves Type A4

Welded Bonnet Needle Valves Type A4

AS-Schneider Welded Bonnet Needle Valve Type A4 is available with a lot of options. This valve type is providing an Extended Bonnet to dissipate heat and to lower heat at the packing and the stem threads and is normally supplied as primary isolation valve. Following design features characterize the A4 valve: External Stem Thread, Valve Stem with cold rolled threads, Non-rotating Needle and back seat design and an Integral Valve Seat.

Bore Size: 0.394" (10 mm)

Part No.: A4B-A4QAE3-SAB

A4 Welded Bonnet Needle Valve Type A4
B Packing: Graphite
A Inlet: Butt Weld End
4 Pipe Dimension: 1/2" Pipe
Q Pipe Thickness: Schedule 160
A Outlet: Butt Weld End
E Pipe Dimension: Tube O.D. 14 mm
3 Pipe Thickness: 3.2 mm
S Material: 316 / 316L
A Vent Connection: Without
B Operation Options: Handwheel

Any specific questions about this product?

Prefer a more personal approach? Call PhoneNumber or sent a mail to info@marktechnical.nl

We are Marktechnical


  • Wide range of instruments, spare parts on stock
  • Fast delivery times 24/7
  • Field service
  • Experience team of professionals
  • Close cooperation with our customers
  • Well equiped workshop and test possibilities
  • Comprehensive list of brands
  • Personal and customized advice
  • ISO9001 certified

Product added

The product has been added to your cart. What do you want to do next?