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Direct acting pressure regulator type ZSN 1

Regulators are used to control preset pressure in process installations connected to regulator valve outlet.

They are used in district heating systems, industrial processes in water to control flow of cold and hot water, steam, air and non-combustible gases. Using with other media subject to consulting with manufacturer. We can adjust the control valve to match your individual needs.

Nominal sizeDN 15 ... DN 100
Nominal pressure PN 16, 25, 40
Flow ratio 1,0 ... 125 m3/h
Spring ranges40...160; 100...400; 200...800; 280...1120 kPa
Media temperature 0 ... +200°C
Max. Δp on valve 1,2 MPa (1,0MPa)
Bodygrey cast iron EN-GJL 250 ductile cast iron EN-GJS 400-18 carbon cast steel GP 240 GH acid-resistant cast steel GX5CrNiMo 19-11-2
Plug and seat acid-resistant steel X6CrNiMoTi 17-12-2
Actuator housingcarbon steel S235JRG2C acid-resistant steel X6CrNiTi 18-10
DiaphragmEPDM + polyester fabric
Regulators are used to control preset pressure in process installations connected to regulator valve outlet. They are used in district heating systems, industrial processes in water to control flow of cold and hot water, steam, air and non-combustible gases. Using with other media subject to consulting with manufacturer.
The regulator comprises three temporary fastened main units: valve, actuator and adjuster. Control valve, single-ported with a balanced plug. Flanged connections of valve body with valve face as per: PN-EN 1092-1:2010 and PN-EN 1092-2:1999 for PN10; 16; 25; 40 PN-EN 1759-1:2005 for CL 150; CL 300. Length of structure according to: PN-EN 60534-3-1:2000 – Series 1 – for PN10; 16; 25; 40; Series 37 – for CL150; Series 38 – for CL300. Diaphragm actuator (diaphragm effective area 80 cm2), with clammed housing, or diaphragm actuator (diaphragm effective area 160 cm2), with bolted housing. Control pressure value adjuster with a combination of three pre-tensioned springs, fixed coaxially with the valve and the actuator. We can adjust the control valve to match your individual needs. In such cases, please contact our technical support specialist.

POLNA S.A.

37-700 Przemyśl
ul. Obozowa 23
POLAND

TEL: +48 16 678 66 01
FAX: +48 16 678 65 24
FAX: +48 16 678 37 10
E-MAIL: marketing@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: 3.815.013,80 PLN
PAID CAPITAL: 3.815.013,80 PLN
BANK ACCOUNT NUMBER: 88 1030 1250 0000 0000 8901 4018 EUR SWIFT: CITIPLPX