
Control valves type Z33 (previous name: BR33) are manufactured in configuration with membrane and spring rotary pneumatic actuators type R/R-99. The purpose of this proposal is to extend the offer of Z33 type valve actuators by rotary piston pneumatic and electric actuators available on the market in a wide range of products and produced by many manufacturers.
We can adjust the control valve to match your individual needs.
Nominal sizes | DN 25; 40; 50; 80; 100; 150; 200; 250; 300. |
Nominal pressure | • PN 10, 16, 25, 40, 63 • CL150; CL300 |
Flow ratio | 3 ... 2160 m3/h |
Control characteristics | linear |
Rangeability | 50:1 |
Leakage class | IV class acc. to PN-EN 60534-4 VI class acc. to PN-EN 60534-4 class from B to G acc. to PN-EN 12266-1 |
Medium temperature | - 40 ... + 300°C |
Body materials | carbon cast steel GP 240 GH (1.0619), WCB carbon cast steel for low temperatures G20Mn5 (1.6220) acid-resistant cast steel GX5CrNiMo 19-11-2 (1.4408), CF8M. Use of other materials is possible, but must be agreed upon. |
Non-catalogue products | We can adjust these parameters to your individual needs. In such cases, please contact our technical support specialist. In the menu: “Non-catalogue version control valves” and “New products” we present the following examples. |
POLNA S.A.
ul. Obozowa 23 Str
37-700 Przemyśl
POLAND
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
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