Van An Toàn N8SP/N8-LSP
| Model |
: |
N8SP/N8-LSP |
| Manufacture |
: |
NEW- FLOW |
| Low lift safety valves |
| Material |
: |
Body-CF8M, Valve seat-CF8M |
| Orifice size |
: |
1/2" (15mm), 3/4" (20mm), 1" (25mm), 1¼" (32mm), 1½" (40mm), 2" (50mm) |
| Working pressure |
: |
2~10 kgf/cm² (28~150 psig), 11~20 kgf/cm² (156~285 psig) |
| Working temp. |
: |
-60°C~196°C |
| Working fluid |
: |
Noncorrosive gas, noncorrosive liquid, air, steam, corrosive gas, corrosive liquid, water, oil |
Dimensions
| SEALING SERIES |
| SIZE |
1/2"x1" |
3/4"x1" |
1"x1" |
1¼"x2" |
1½"x2" |
2"x2" |
| ITEM |
| A |
176 |
176 |
180 |
255 |
260 |
260 |
| Inlet B |
1/2" |
3/4" |
1" |
1¼" |
1½" |
2" |
| Outlet C |
1" |
1" |
1" |
2" |
2" |
2" |
| Inlet Orifice di |
15 |
20 |
25 |
32 |
40 |
50 |
| Valve Seat Orifice D |
22 |
22 |
22 |
38 |
38 |
38 |
| E |
40 |
40 |
40 |
66 |
66 |
66 |
| F |
67 |
67 |
71 |
93 |
98 |
98 |
| Lift |
0.88 |
0.88 |
0.88 |
1.52 |
1.52 |
1.52 |
| Wt.kg |
1.1 |
1.2 |
1.2 |
4.6 |
4.6 |
4.6 |
| LEVER SERIES |
| SIZE |
1/2"x1" |
3/4"x1" |
1"x1" |
1¼"x2" |
1½"x2" |
2"x2" |
| ITEM |
| A1 |
199 |
199 |
203 |
279 |
284 |
284 |
| Wt.kg |
1.3 |
1.3 |
1.3 |
4.8 |
4.8 |
4.9 |
Blowout Capacity Table
| orifice |
Steam Blowout Cap. (kg/h) |
| set pressure |
1/2" (15) |
3/4" (20) |
1" (25) |
1¼" (32) |
1½" (40) |
2" (50) |
| 1 kgf/cm² |
18.4 |
39.2 |
67.90 |
111.3 |
156.9 |
271.7 |
| 2 kgf/cm² |
27.7 |
59.1 |
102.4 |
167.7 |
236.6 |
409.5 |
| 3 kgf/cm² |
37.0 |
79.0 |
136.9 |
224.2 |
316.2 |
547.4 |
| 4 kgf/cm² |
46.3 |
98.9 |
171.3 |
280.7 |
395.8 |
685.2 |
| 5 kgf/cm² |
55.7 |
118.8 |
205.8 |
337.1 |
475.4 |
823.1 |
| 6 kgf/cm² |
65.0 |
138.7 |
240.2 |
393.6 |
555.0 |
960.9 |
| 7 kgf/cm² |
74.3 |
158.7 |
274.7 |
450.1 |
634.7 |
1099 |
| 8 kgf/cm² |
83.6 |
178.6 |
309.2 |
506.5 |
714.3 |
1237 |
| 9 kgf/cm² |
92.9 |
198.5 |
343.6 |
563.0 |
793.9 |
1374 |
| 10 kgf/cm² |
102.3 |
218.4 |
378.1 |
619.5 |
893.5 |
1512 |
| 11 kgf/cm² |
111.6 |
238.3 |
412.5 |
675.9 |
953.2 |
1650 |
| 12 kgf/cm² |
120.9 |
258.2 |
447.0 |
732.4 |
1033 |
1788 |
| 13 kgf/cm² |
130.2 |
278.1 |
481.5 |
788.8 |
1112 |
1926 |
| 14 kgf/cm² |
139.5 |
298.0 |
515.9 |
845.3 |
1192 |
2064 |
| 15 kgf/cm² |
148.9 |
317.9 |
550.4 |
901.8 |
1272 |
2202 |
| 16 kgf/cm² |
158.2 |
337.8 |
584.9 |
958.3 |
1351 |
2239 |
| 17 kgf/cm² |
167.5 |
357.7 |
619.3 |
1014.7 |
1431 |
2477 |
| 18 kgf/cm² |
176.8 |
377.6 |
653.8 |
1071.2 |
1511 |
2615 |
| 19 kgf/cm² |
186.1 |
397.5 |
688.2 |
1127.6 |
1590 |
2753 |
| 20 kgf/cm² |
195.4 |
417.4 |
722.7 |
1184.1 |
1670 |
2891 |
General Material List
| NO. |
Type |
N8SP SEALING |
N8-LSP LEVER |
| Parts Name |
| 1. |
Valve Body |
CF8M |
| 2. |
Valve Seat |
CF8M |
| 3. |
Disc |
SUS316 |
| 3-1. |
Soft Seal |
Teflon (PTFE) |
| 4. |
Spring |
SUS304 |
| 5. |
Stem |
SUS316 |
| Working Pressure |
2~10 kgf/cm² 11~20 kgf/cm² |
| Working Temp. |
-60°C~196°C |
| Working Fluid |
Noncorrosive gas, noncorrosive liquid, corrosive gas, corrosive liquid, air, steam, water, oil |
Noncorrosive gas, corrosive gas, air, steam |
Ordering Information
| Code |
Valve Seat |
| 0 |
CF8M + PTFE |
| Code |
Pressure Rating |
| 1 |
2~10 kg/cm² |
| 2 |
11~20 kg/cm² |
| Code |
Size |
| (A) |
1/2" NPT |
| (B) |
3/4" NPT |
| (C) |
1" |
| (D) |
1¼" NPT |
| (E) |
1½" NPT |
| (F) |
2" NPT |
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