Control systems Control valves
4
Materials - ½" to 4"
KEA valve with graphite packing
LEA3
KEA7
LEA-KEA4
LEA-KEA6
½" to 4"
½" to 4" ½" to 2"
2½" - 4"
½" to 4"
3
1 Body
A126 Class B A395
A216 WCB
A351 CF8M
2 Bonnet
A395
A395 A105N A216 WCB A351 CF8M
2a Bonnet extension
A216 WCB
A351 CF8M
2b Bellows
Stainless steel 316L
2c Extended bonnet
A216 WCB
A351 CF8M
3 Stem lock-nut
Stainless steel A2-70
4 Bonnet gasket
Graphite and Stainless steel
* Graphite packing
KE valve with extended bonnet (E)
Lower and upper stem guide
9 16
Stelite 6
High temperature packing
Grafoil packing
14
Graphite rings
4.1 59
2c Extended bonnet (E)
10, 11, 12, 15, 17 and 19 Not used
PTFE stem sealing for vacuum service
* PTFE stem sealing
2a
1
2b
2
4
1
KEA valve with bellows seal (D)
KEA valve with PTFE packing
TI-S24-72 CTLS Issue 7
Page 3 of 23
Spira-trol TM Two-port Control Valves ASME Standard K and L Series ½" to 4"
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