LE valve

with PTFE packing

18

20

15

14

13

12

11

1

9

0

Control valves

Control valves

1

6

7

5

LEA valve with

extended bonnet (E)

9

16

Lower

and upper

stem

guide

Grafoil

packing

2c

Extended

bonnet

(E)

14

2a

2b

22

High

temperature

packing

14

TI-S24-70 CH Issue 6

Spira-trol

TM

Two-port Control Valves EN Standard LE, LF and LL DN15 to DN100 and ASME Standard LEA, LFA and LLA 1⁄2" to 4"

3 3

19

18

8

17

16

27

2

4

9

Bonnet with graphite packing

* Graphite packing

Body

material

No. Part

Material

Stellite 6

Graphite

rings

4.1.46

LE valve with

bellows seal (D)

10, 11, 12,

Not used

15, 17, 19

*

PTFE stem sealing

PTFE stem sealing

for vacuum service

14

28

27

16

Page 5 of 18