Control systems Self-acting controls
4
Materials
1
KC63 flanged
1
4 5
7 3
8
5
2
4
9 6
3
11
8
12
4.5 87
7
9
KA61 screwed and KA63 flanged
10
2
12
No.
Part
Material
1 2 3
Body
Stainless steel
DIN 17445 G-X5 Ni Mo Nb 19-11-2 (WS14581)
Bonnet
Stainless steel
DIN 17440 X5 Cr Ni Mo 17-12-2 (WS14401)
Head
Stainless steel
BS 970 431 S29 ASTM A276 431
DN15 to DN25
Stainless steel
BS 970 431 S29 ASTM A276 431
4
Seat
DN32 to DN40
Stainless steel
BS 3146 ANC2
DN50
Stainless steel
BS 970 431 S29 ASTM A276 431
5 6 7 8
Valve seat gasket
Reinforced exfoliated graphite
Return spring
Stainless steel
BS 2056 302 S26
Pushrod
Stainless steel
Z15 CN 16 02 (BS 970 431 S29)
Bonnet gasket
Reinforced exfoliated graphite
Bonnet nuts
Stainless steel
DIN ISO 3506 A2-80
Stainless steel
DIN ISO 3506 A2-80
DN15 - DN20
M10 x 30
Bonnet studs
9
DN25 - DN40
M10 x 35
DN50
M12 x 35
10
Bellows assembly
Stainless steel
AISI 316L
11
Bellows gasket
Reinforced exfoliated graphite
12
Plunger
Stainless steel
BS 970 431S29 ASTM A276 431
TI-P078-08 CTLS Issue 7
Page 3 of 5
KA61, KA63 and KC63 Stainless Steel Self-acting Control Valves
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