Controls & Instrumentation Product Manual - Spirax Sarco
Controls & Instrumentation Product Manual - Spirax Sarco
Controls & Instrumentation Product Manual - Spirax Sarco
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SPIRA-TROL<br />
1/2" to 4" ANSI Two-port KEA, KFA and KLA Control Valves<br />
Pressure/temperature limits<br />
Carbon Steel Valves<br />
KEA41 KEA41B<br />
KEA42 KEA42B<br />
and and<br />
KEA43 KEA43B<br />
Stainless Steel Valves<br />
KEA61 KEA61B<br />
KEA62 KEA62B<br />
and and<br />
KEA63 KEA63B<br />
Ductile Iron Valves<br />
KEA71 KEA71B<br />
and and<br />
KEA73 KEA73B<br />
Temperature °F<br />
Temperature °F<br />
PTFE<br />
Graphite<br />
Temperature °F<br />
A<br />
E<br />
A<br />
E<br />
A E<br />
Steam<br />
saturation<br />
curve<br />
Steam<br />
saturation<br />
curve<br />
Pressure psig<br />
The product must not be used in this region.<br />
<strong>Spirax</strong> <strong>Sarco</strong>, Inc., 1150 Northpoint Blvd., Blythewood, SC 29016 • Phone: (803) 714-2000 • Fax: (803) 714-2222<br />
© <strong>Spirax</strong> <strong>Sarco</strong>, Inc. 2005<br />
E<br />
Steam<br />
saturation<br />
curve<br />
E B<br />
Pressure psig<br />
G<br />
D E<br />
C<br />
Pressure psig<br />
A - B Flanged ANSI 300 and<br />
screwed NPT and SW.<br />
E - E Valves fitted with bellows<br />
are limited to a maximum<br />
bellows rating of 230 psi @ 572°F.<br />
A - B Flanged ANSI 300 and<br />
screwed NPT and SW.<br />
E - E Valves fitted with bellows are<br />
limited to a maximum bellows<br />
rating of 230 psi @ 572°F.<br />
A - C Flanged ANSI 250 and<br />
screwed NPT.<br />
A - D Flanged ANSI 125.<br />
E - E Valves fitted with bellows are<br />
limited to a maximum bellows<br />
rating of 230 psi.<br />
Graphite stem sealing is required for use in this region.<br />
Note: As standard the KEA, KFA, KLA series two-port control valves are supplied with the PTFE<br />
stem sealing option.<br />
KEA4_ ANSI 300<br />
Body design conditions KEA6_ ANSI 300<br />
KEA7_ ANSI 250<br />
KEA4_ 740 psi @ 100°F<br />
Maximum design pressure KEA6_ 740 psi @ 100°F<br />
KEA7_ 500 psi @ 150°F<br />
KEA4_ 800°F<br />
Maximum design temperature KEA6_ 800°F<br />
KEA7_ 450°F<br />
KEA4_ -20°F<br />
Minimum design temperature KEA6_ -58°F<br />
KEA7_ -20°F<br />
Standard packing PTFE chevron packing 482°F<br />
PTFE soft seat (G) 392°F<br />
Maximum operating temperature<br />
Graphite packing (H)<br />
Extended bonnet (E) with PTFE chevron packing<br />
800°F<br />
482°F<br />
Extended bonnet (E) with graphite packing 800°F<br />
Bellows (B) 572°F<br />
KEA4_ -20°F<br />
Minimum operating temperature KEA6_<br />
PTFE Packing<br />
Graphite Packing<br />
-20°F<br />
-58°F<br />
KEA7_ -20°F<br />
Maximum differential pressures: See relevant actuator Technical Information sheet<br />
Maximum cold hydraulic test pressure KEA4_ 1100 psig<br />
Warning: If the valve is fitted with a KEA6_ 1100 psig<br />
bellows it must be removed if hydraulic<br />
testing is to be done.<br />
KEA7_<br />
ANSI 125<br />
ANSI 250<br />
300 psig<br />
750 psig<br />
B<br />
TI-P375-01-US 11.11<br />
Control<br />
Valves<br />
Globe Control<br />
Valves<br />
97
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