Page 177 - Bürkert
P. 177
On-Off Pneumatically Operated 2/2 Way Angle Valve
for Steam and Gases
2000 G 1/2” - G 2 1/2”
• Flow direction above seat
• PPS actuator for hot environments
• Optical position indicator is standard
• Self adjusting double packing
• High flow rates
2 (A)
• Rotating power head to orient air control
connections 1 (P)
Bürkert’s classic angle seat valve for steam applications. With this pro- Envelope Dimensions [mm] (see datasheet for details)
duct and its longevity is it world wide dependable. These valves with flow
direction above the seat for steam and gas are equipped with mainte-
nance-free gland packing.
Technical Data
Pressure range See Ordering Chart
Temperature media -10 ºC to +180 ºC
2
Viscosity max. 600 mm /s
Stuffing socket (with silicone grease) PTFE V-Rings with spring compensation
Ambient temperature max.
PA actuator -10 ºC to +60 ºC Flow
PPS actuator Ø 40-80 +140 ºC direction
PPS actuator Ø 100-125 +90 °C
Body material Gunmetal or stainless steel 316L
Seal material PTFE
Actuator material Polyamide or PPS
Control medium Instrument air at 6 bar Size Actuator A B C D
Flow direction Over seat to minimise actuator size G 1/2” 50 65 64 140 163
Safe position Normally closed
G 3/4” 40 75 53 120 147
Max. pilot pressure
Actuator size Ø 40-80 PA and PPS 10 bar G 3/4” 50 75 64 144 171
Actuator size Ø 100 PA 10 bar G 1” 50 90 64 152 181
Actuator size Ø 100 PPS 7 bar G 1” 63 90 80 177 206
Actuator size Ø 125 PA and PPS 7 bar G 1 1/4” 63 110 80 183 219
Pilot air port 1/4” (Actuator Ø 40 = 1/8”) G 1 1/2” 63 120 80 188 222
G 2” 63 150 80 204 249
G 2 1/2” 80 185 101 239 296
Options
G 2 1/2” 100 185 127 287 344
• Normally open • Feedback switches
• Double acting • Cleaned for oxygen service
• Solenoid pilot valves • Stroke limiter
• Vacuum version • Seal material NBR, FKM, EPDM
176