Multi-spring diaphragm pneumatic actuators type P/R are used as control devices for control of control valves and other setting elements in industrial automation.
They are made in the following varieties:
simple action (air – stem extension) – type P
reverse action (air – reverses the stem) – type R
simple action, with manual drive – type PN
reverse action, with manual drive – type RN
Diaphragm area | 250, 400, 630, 2x630, 1000, 1500, 2x1500 cm2 |
Stroke | 20, 38, 50, 63, 80, 100 mm |
Spring ranges | 20 ...100 kPa do 180 ... 380 kPa |
Operating temperature | - 40 ... + 80°C |
Position accuracy | ±2.5% of nominal stroke range |
Hysteresis | ±2% of nominal stroke range |
Manual drive | top |
Maximum pressure | 600 kPa |
Number of cycles | min. 250,000 cycles - standard execution, min. 1,000,000 cycles - special execution |
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
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