Bellows- sealed gate valves

Installation
elements
Valves
Bellowssealed
gate
valves
Manually actuated - CF-F
Flange sizes from
DN 40 CF-F to DN 200 CF-F
Bellowssealed
gate
valves
For UHV applications in industry
and research
Seal: Stainless steel bellows feedthrough
SVV = Gate valve
HF/HM = Manually actuated
Dimensions
DN 40
DN 63
DN 100
72
40
16
45
58.7
42
48.3
70
82 73
198 55
70 77
83
70
115
11
57 192 184
408 180
70 77
83
70
145
9
73 247 184
462 220
6xM6
35 7 76
27
112
27
142
113.5
70
77.4
82.5
8xM8
92.1
151.6
100
115.5
120.65
16xM8
130.2
70
13 („51”)
70
13 („51”)
SVV 040 HM SVV 063 HF SVV 100 HF
DN 160
DN 200
70
70 77
83
ø10 DN 160/200
200
25
99 336 184
552 290
80
90 94
103
ø10 DN 160/200
250
38.5
125 430 200
660 350
27
192
35
240
202.4
150
166
171.45
181
20xM8
70
13 („51”)
253.2
200
217
222.3
231.8
24xM8
80
13 („51”)
SVV 160 HF
SVV 200 HF
Page
Page
720
720
www.pfeiffer-vacuum.net
www.pfeiffer-vacuum.net

Technical data SVV 040 HM SVV 063 HF SVV 100 HF
Flange (in) DN 40 CF-F DN 63 CF-F DN 100 CF-F
Flange (out) DN 40 CF-F DN 63 CF-F DN 100 CF-F
Actuator Hand wheel Hand wheel Hand wheel
Bakeout temperature: Valve open, under vacuum 250 °C 250 °C 250 °C
Bakeout temperature: Valve closed 200 °C 200 °C 200 °C
Tightness: Housing 5·10 -10 mbar l/s 5·10 -10 mbar l/s 5·10 -10 mbar l/s
Tightness: Valve seat 1·10 -9 mbar l/s 1·10 -9 mbar l/s 1·10 -9 mbar l/s
Seal: Housing Metal Metal Metal
Seal: Valve seat FPM FPM FPM
Pressure max. 2 bar 1.6 bar 1.6 bar
Pressure min. 1·10 -10 mbar 1·10 -10 mbar 1·10 -10 mbar
Feedthrough Bellows Bellows Bellows
Housing Stainless steel Stainless steel Stainless steel
Weight 1.5 kg 9 kg 12 kg
Conductance for molecular flow 220 l/s 600 l/s 1700 l/s
Can be opened to a pressure difference of 3·10 1 mbar 3·10 1 mbar 3·10 1 mbar
Service life 50000 cycles 50000 cycles 50000 cycles
Valve plate Stainless steel Stainless steel Stainless steel
Order number
Bellows-sealed gate valves PF F51 031 PF F61 031 PF F71 031
Technical data SVV 160 HF SVV 200 HF
Flange (in) DN 160 CF-F DN 200 CF-F
Flange (out) DN 160 CF-F DN 200 CF-F
Actuator Hand wheel Hand wheel
Bakeout temperature: Valve open, under vacuum 250 °C 250 °C
Bakeout temperature: Valve closed 200 °C 200 °C
Tightness: Housing 5·10 -10 mbar l/s 5·10 -10 mbar l/s
Tightness: Valve seat 1·10 -9 mbar l/s 1·10 -9 mbar l/s
Seal: Housing Metal Metal
Seal: Valve seat FPM FPM
Pressure max. 1.6 bar 1.6 bar
Pressure min. 1·10 -10 mbar 1·10 -10 mbar
Feedthrough Bellows Bellows
Housing Stainless steel Stainless steel
Weight 18 kg 28 kg
Conductance for molecular flow 6000 l/s 12000 l/s
Can be opened to a pressure difference of 3·10 1 mbar 3·10 1 mbar
Service life 50000 cycles 50000 cycles
Valve plate Stainless steel Stainless steel
Steuergeräte
Order number
Bellows-sealed gate valves PF F81 031 PF F91 031
Valves
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