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Needle valves type ZA - POLNA S.A.

Needle valves are designed for assembly, start-up and maintenance of transducers, pressure gauges and other fixtures in measuring and automation regulatory installations.

Depending on the design, needle valves perform the following functions: direct or remote instrument assembly, closing (opening) the flow, dewatering, venting, instrument calibration, purging the system from contaminants.

We can adjust the control valve to match your individual needs.

ConnectionsNPT 1/4"; 3/8"; 1/2" M20x1,5
Operating temperature150°C, 200°C, 500°C
MaterialsValve body: Carbon steel or acid-resistant steel. Needle: Acid-resistant steel or PTFE.
Maximum pressure40 MPa
  • high pressure and temperature parameters,
  • high tightness and durability of the closure,
  • high external tightness,
  • easy operation,
  • selection of material and sealings to ensure versatility of application,
  • wide range of connectors and design variants,
  • protection of the pin against ejection during operation.
We can adjust the control valve to match your individual needs. In such cases, please contact our technical support specialist.


ul. Obozowa 23 Str
37-700 Przemyśl

TEL: +48 16 678 66 01
E-MAIL: sekretariat@polna.com.pl

KRS: NATIONAL COURT REGISTER: 0000090173 dated 12.02.2002 r. Provincial Court in Rzeszów, XII Division of National Court Register
COMPANY ID: 650009986     NIP: 795-020-07-05     BDO: 000030128
SHARE CAPITAL: 3.710.992,60 PLN
PAID CAPITAL: 3.710.992,60 PLN
BANK ACCOUNT NUMBER: 88 1030 1250 0000 0000 8901 4018 EUR SWIFT: CITIPLPX