4.1.63

Model availability

5

For DN15 to DN25

Anti-cavitation are only available

unbalanced with parabolic plug

2

5

5

Materials

No.

Part

1

Cage gasket

2

Plug seal

3

Cage retainer

4

Plug and stem

Material

5

Seat ring

Page 4 of 9

Reinforced exfoliated graphite

Graphite

CF8M

431 stainless steel / 316L stainless steel / 316L with stellite 6 facing

PTFE soft seat / PEEK soft seat / Full PEEK / 431 stainless steel /

316L stainless steel / 316L with stellite facing

3

4

5

Control valves

Control valves

1 stage perforated trim

This trim is available for the Spira-trol

TM

JE, JEA, KE, KEA, LE and LEA.

Sizes

DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250 and DN300.

Technical data

Typical flow characteristic curves

100

Fast opening

50

0

0

50

100

Valve opening %

Anti-cavitation

1 stage

balanced trim

1

Trim design

Leakage

Rangeability

Travel

Metal-to-metal

Soft seal

Unbalanced

Balanced

Perforated

Class IV

Class VI

Class IV

50:1

20 mm

30 mm

70 mm

Low noise 1 stage

unbalanced trim

F

l

o

w

%

DN40 to DN50

DN65 to DN100

DN125 to DN300

Low noise 1 stage

balanced trim

1

Linear

Equal percentage

3

3

3

2

4

4

5

3

4

4

TI-S24-59 CH Issue 4

Balanced and Multi-stage Trim Options for Spira-trol

TM

Two-port Control Valves

Anti-cavitation

1 stage

unbalanced trim