DOUBLE-PORTED CONTROL GLOBE VALVES TYPE Z10

Z10

The valves type Z10 (previous name S10000)with pressure balanced plug are used as final flow control units for automatic and remote control systems. They can be applied to adjust flow of fluids in various industries, such as chemical plants, steelworks, shipyards, etc.

The offer includes valves with or without driving units, where pneumatic actuators with spring membranes, production of POLNA are used as standard driving appliances.

Nominal sizes /diameter/ DN 20; 25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300.
Nominal pressure

• PN16; 25; 40; 63; 100; 160

• CL150; CL300; CL600.

Flow ratio 4 ... 1930 m3/h
Control characteristics linear, equal percentage, quick-opening
Rangeability

50:1

Leakage class VI class acc PN-EN 60534-4

II class acc PN-EN 60534-4

class from B to G acc PN-EN 12266-1

Media temperature

- 180 ... + 650°C

Body materials

carbon steel GP 240 GH (1.0619), WCB
carbon steel for low temperatures G20Mn5 (1.6220)
stainless 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 specialists.

 

The valves units incorporate the following major components:

Body:
Flanges with plain mating surfaces, with a groove or a tongue to:
PN-H-74306:1985, PN-H-74307:1985,
ISO 2084-1974, ISO 2441-1975,
as well as with the RF plain flange or with the RTJ groove to ANSI B16.10-1986, for welding to PN 160.