User Guide

High-Capacity Rotary Valves
Product Flier
PF51.3:Vee-Ball
May 2009
7
Valve Component Materials and Temperatures
Table 3. Valve Component Materials and Temperatures
BODY, SHAFT, AND BALL (TEMPERATURE IS DETERMINED BY OTHER PARTS LISTED BELOW)
Valve Body
 CF3M (316L stainless steel),  DIN 1.0619 steel,  WCC steel, or
 CG8M (317 stainless steel)
Valve Shaft
 S20910 or  S17400 (17-4PH stainless steel)
V-Notch Ball
 CF3M (316L stainless steel),  chromium-plated CF3M,  CG8M (317 stainless steel), or
 chromium-plated CG8M
SEAL, BEARING, AND PACKING
SEAL MATERIAL BEARING MATERIAL
MAXIMUM
TEMPERATURE, C
NOTES
PTFE
V-Ring
Packing
Graphite
Packing
Composition (TCM plus)
 PEEK (poly-ether-ether-ketone)/PTFE,
 R30006 (alloy 6B) or  silver-plated
R30006
232 232
 Minimum temperature
for DIN valve bodies is
10C
 Minimum temperature
for ASME constructions
is 29C for steel
valves and 46C for
stainless steel valves
 Contact your
Emerson Process
Management sales
office for
ENVIRO-SEAL packing
temperatures and
pressures
 Contact your
Emerson Process
Management sales
office for pressure
drops and temperatures
with TCM-Ultra
composition seal.
Flat metal—(spring-tempered stainless steel)
(available on DN 80 through 300
[NPS 3 through 12] only)
PEEK/PTFE 232 260
 R30006,  silver-plated R30006, or
 S31600L (316L stainless steel) nitride
232 427
HD (heavy-duty) metal
( CF10SMnN or
 CD7MCuN [alloy 255 duplex stainless
steel], or  R30006
PEEK/PTFE 232 260
 R30006,  silver-plated R30006, or
 S31600L nitride
232 288
Flow ring (steel or stainless to match
body material)
PEEK/PTFE 232 260
 R30006,  silver-plated R30006, or
 S31600L nitride
232 427
OTHER PARTS
PART MATERIAL
MAXIMUM
TEMPERATURE, C
PTFE
V-Ring
Packing
Graphite
Packing
Wave spring and radial seal (HD metal only)
N07750 and PTFE with
N10276
Temperature is
determined by parts listed
above
Micro-notch V-notch ball for DN 25 (NPS 1)
Chromium-plated CG8M or solid alloy 6
Solid VTC ceramic 93 93
Gasket Graphite
Temperature is
determined by parts listed
above
Optional line bolting
 B7,  B7M, or  strain-hardened B8M
COMPOSITION SEAL
W6197-1*
HD (HEAVY-DUTY) METAL SEAL
W5704-1/IL
FLAT METAL SEAL
W4713-3/IL
Figure 7. Fisher Vee-Ball Seals