Control valves

Control valves

Fast opening

Linear

Equal percentage

4.1.61

Technical data

Typical flow characteristic curves

100

50

0

0

50

100

Valve opening %

1 stage parabolic balanced trim

Model availability

This trim is available for the Spira-trol

TM

JE, JEA, KE, KEA and LEA only.

Sizes

DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250 and DN300.

Trim design

Leakage

Rangeability

Travel

Metal-to-metal

Soft seal

Equal %

Linear

Fast

DN40 to DN50

DN65 to DN100

DN125 to DN300

Parabolic

Class IV

Class IV

50:1

30:1

10:1

20 mm

30 mm

70 mm

1

3

2

4

5

Materials

No. Part

1

Cage gasket

2

Plug seal

3

Cage retainer

4

Plug and stem

5

Seat ring

Page 2 of 9

Material

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

TI-S24-59 CH Issue 4

Balanced and Multi-stage Trim Options for Spira-trol

TM

Two-port Control Valves

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