44
Control systems Control valves
Materials - DN15 to DN100
3
18
14
20
13
21
2
12 11
4
9
1 5
8
6
4.1 84
7
LE6 DN15-100 No. Part
Material
10
Lower stem wiper
PTFE
1 2 3 4
Body
EN10213 : 1.4408
11
Packing washer
Stainless steel 316L
Bonnet
EN10213 : 1.4408
12 13 14 15 16
Spring
Stainless steel 316L
Stem lock-nut
Stainless steel A2-70
Packing spacer
Stainless steel 316L
Bonnet gasket
PTFE
Packing chevron
PTFE
Duplex stainless steel ASME A994 CD4MCuN
Outer 'O' ring
VITON™
5
Seat retainer
Upper stem guide
PTFE
Seat Option S Seat Option P Seat Option S Seat Option P Stem seal option P
EN10213 : 1.4412
17
Inner 'O' ring
VITON™
6
Valve seat
18 19 20
Gland nut
Stainless steel 316L
PEEK
Scaper ring
PTFE
7
Seat gasket
PTFE
Actuator clamp nut
Nickel plated carbon steel
Stainless steel 316L
21
Bolt
Stainless steel A2-70
Valve plug and stem
8
Lower stem guide
9
PTFE
TI-P742-01 CTLS Issue 2
Page 4 of 17
Spira-trol™ Food+ Control Valves EN Standard DN15 to DN100
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