英國(guó)鶴牌黃銅平衡閥|黃銅靜態(tài)平衡閥知識(shí)|進(jìn)口黃銅靜態(tài)平衡閥|黃銅靜態(tài)平衡閥知識(shí)
Pressure/Temperature Rating
Threaded Ends
BS7350 PN20
17.2 bar at 120ºC
20 bar at -10 to 100ºC
Compression Ends
5 bar at 120ºC
6 bar at 110ºC
10 bar at 65ºC
16 bar from -10 to 30ºC
Test Pressure
Shell: 30 bar
Seat: 22 bar
Specification
Kitemarked to BS7350: 1990
Handwheel operated
Numerical indicator
Inside screw non-rising handwheel
Characterised regulating disk
Flow charts available
End connections threaded
Sizes 1” to 2” taper threaded BS EN 10266 (ISO 7-1) formerly BS 21
Sizes 1/2” and 3/4” to ISO 228 parallel
Sizes DN15 and DN20 when used with compression adaptors suitable for copper pipe to BS EN 1057 R250 (half hard)
WRAS Approved Product
Optional Features
Application Figure 1432 can be used with Hattersley metering stations for commissioning
Notes
Fig 1432 can be used with Hattersley metering stations for commissioning - 1432 + 1000 = 2432, - 1432L + 1000M = 2432LM, - 1432L + 1000L = 2432LL
Material Specification
Component | Material | Specification BS EN | |
---|---|---|---|
Handwheel | Plastic | ||
Stem | DZR copper alloy | 12165 CW602N | |
Stem Seals | EPDM | ||
Disk | DZR copper alloy | 12165 CW602N | |
Disk Seal (1" - 2") | PTFE | ||
Bonnet | DZR copper alloy | 12165 CW602N | |
Body | Bronze | 1982 CC491K |
Dimensions
Nominal Size | in | 1/2 L | 1/2 M | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 |
---|---|---|---|---|---|---|---|---|---|
A | mm | 87 | 87 | 87 | 96 | 100 | 114 | 125 | 146 |
A (Compression) | mm | 105 | 105 | 105 | 118 | - | - | - | - |
B | mm | 110 | 110 | 110 | 111 | 132 | 133 | 148 | 149 |
Weight | kg | 0.54 | 0.54 | 0.54 | 0.58 | 0.88 | 1.05 | 1.43 | 1.88 |
Flow Kv (Fully Open) | 0.57 | 1.06 | 1.87 | 3.14 | 5.59 | 10.8 | 18.1 | 29.1 |