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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