Ball valve | BLF Series

BLF series is flange type Primet ball valve series.
BLF series is designed with SUS316 casting body.
JIS10K flange 15A to 150A can be selected.　

Model specifications for the order request.

Specification

Max.Operating Pressure 1MPa(G)
Operating Temp. Range -10～80℃
Pressurized Leakage Less than 0.1 std cc / sec (1MPa)
He Leakage※ Inboard ≦1×10-6 Pa・m3／sec Helium
Across Seat ≦1×10-5 Pa・m3／sec Helium
※He leak rate serves as an actual value. An inspection serves as an option.

Material

No Part name Material Qty
1 Body SCS14A 1
2 Cap SCS14A 1
3 Ball CF8/CF8M 1
4 Seat PTFE 2
5 Gasket PTFE 1
6 Stem SUS316/SUS304 1
7 Thrust Washer 50%SUS,50%PTFE 2
8 Stem Seal PTFE 1
9 Stem Packing PTFE 1
10 Gland SUS304 1
11 Belleville Washer SUS301 2
12 Triangle Stopper 1/1/2-4″ SUS304 1
13 Lock Saddle SUS304 1
14 Stem Nut SUS304 1
15 Handle Nut 4″ SUS304 2
16 Handle 1/2″-3″ SUS304 1
17 Handle Adapter 4″ SUS304 1
18 Body Bolt SUS304 15A-50A:4
65A:6
80A,100A:8
150A:10
19 Anti-Static Device SUS316 2
20 Stop Bolt SUS304 1
21 Stop Nut SUS304 1
22 Locking Device 1/2″-3″ SUS304 1
23 Handle Nut 1/2″-3″ SUS304 1
24 Handle 4″ WCB 1

寸法

Unit(mm)
Size ΦID ΦC ΦB ΦA H h1 L T t Φn N K Φn U
15A 15 51 70 95 30.5 74.5 108 12 1 15 4 150 36 M5
20A 20 56 75 100 35.0 79.5 117 14 1 15 4 150 42 M5
25A 25 67 90 125 39.0 84.0 127 14 1 19 4 150 42 M5
40A 38 81 105 140 53.0 105.0 165 16 2 19 4 200 50 M6
50A 50 96 120 155 61.5 113.5 178 16 2 19 4 200 50 M6
65A 63.5 116 140 175 79.5 140.5 190 18 2 19 4 235 70 M8
80A 76 126 150 185 94.5 153.5 203 18 2 19 8 235 70 M8
100A 98 151 175 210 115.0 180.0 229 18 2 19 8 400 102 M10
150A 150 212 240 280 175.0 288.0 394 22 2 23 10 700 125 M12
※Specification are subjected to change without prior notice.