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NJ Globe Valve

  • Max. Working Pressure: 40bar

  • Size: 13~35mm

  • Working Temperature: -60℃~+600℃

  • Body Material:304/CF8 Stainless steel、316L/CF8M Stainless steel

热线电话: 0573-83696688
NJ Globe Valve
Product description
Parameters Table
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NJ Stainless Steel Globe Valve

 

Uses: NJ check valves are used for safe shutoff of pipelines, featuring resistance to high temperature and fire in the shutoff state.

 

Features: 1) Hardened disk contributes to long life of the valves; 2) 100% gas tightness test, applicable to various gases; 3) stem PTFE packing seal is compensated with a disc spring to ensure good tightness in high or low temperature applications.

 

Technical Data
● 
Nominal pressure: 40 bar
● Applicable media: air, steam and other gases, as well as water, heat transfer fluids and other liquids
● Body material: 304/CF8 stainless steel, 316L/CF8M stainless steel
● Stem material: 304 or 316L stainless steel
● Disk material: 1) 316L stainless steel, surface-hardening treatment (max. 250℃); 2) cemented carbide (for high temperature valves, 600℃)
● Packing seal: PTFE+FPM or flexible graphite
● Packing temperature rating: -40℃~+250℃ (PTFE), -40℃~+600℃ (graphite)

 

I) Globe Valve with Threaded Connections

 

 

Casing Temperature-Pressure Rating Table

 

Temperature [℃] Max. Working Pressure [bar]
304/CF8 316L/CF8M
-40℃~+50℃ 39 39
~+100℃ 32 33
~+150℃ 29 30
~+250℃ 26 26
~+350℃ 23 24
~+450℃ 22 23
~+500℃ 20 21
~+550℃ - 19
~+600℃ - 16

 

Ordering Information

 

 

II) Weld End Globe Valve

Working temperature: max. 600℃; See “Table of Technical Data”

 

 

Ordering Information

 

 

III) NJ Pneumatically Operated Globe Valve

 

Features
•Valve operations are controlled by compressed air;
•There is a valve position indicator on the top, or a valve position electric signal switch may be fitted. 

 

Technical Data
● Applicable media: air, steam and other gases, as well as water, heat transfer fluids and other liquids
● Body material: 304/CF8 stainless steel
● Stem material: 304 stainless steel
● Disk material: PTFE
● Packing seal: PTFE
● Type of Switching: normally closed NC (opened by compressed air, closed by spring) Normally open NO (closed by compressed air, opened by spring)
● Compressed air pressure: 4~8 bar
● Temperature of medium: -40℃~+180℃
● Ambient temperature: -20℃~+80℃

 

NJ Stainless Steel Globe Valve  Table of Technical Data [mm]

 

Ordering Number A Inner Diameter
d
H L W Nominal Pressure
[bar]
Common Type (-40℃~+250℃) High Temperature Type (-40℃~+600℃)
NJ-G1/2-4A-SS NJ-G1/2-9S-SL G1/2 13 87 65 70 40
NJ-G3/4-4A-SS NJ-G3/4-9S-SL G3/4 18 94 76 70
NJ-G1-4A-SS NJ-G1-9S-SL G1 22 103 90 90
NJ-G11/4-4A-SS NJ-G11/4-9S-SL G11/4 28 127 105 100
NJ-G11/2-4A-SS NJ-G11/2-9S-SL G11/2 35 140 125 125

 

Weld End Globe Valve  Table of Technical Data [mm]    

 

Ordering Number Inner Diameter
d
Tube Size
AD
S H L W Nominal Pressure
[bar]
Common Type(-20℃~+250℃) High Temperature Type(-40℃~+600℃) d AD
K-NJ-18L-4A-SS K-NJ-18L-9S-SL 13 18 1.5 87 164 70 40
K-NJ-22L-4A-SS K-NJ-22L-9S-SL 18 22 1.5 94 183 70
K-NJ-28L-4A-SS K-NJ-28L-9S-SL 22 28 2 103 203 90
K-NJ-35L-4A-SS K-NJ-35L-9S-SL 28 35 2 127 236 100
K-NJ-42L-4A-SS K-NJ-42L-9S-SL 35 42 2.5 140 249 125
K-NJ-48L-4A-SS K-NJ-48L-9S-SL 35 48 3 140 257 125

 

NJ Pneumatically Operated Globe Valve Table of Technical Data [mm]

 

Ordering Number A Inner Diameter
d
L H K Cylinder Thickness
B
Nominal 
Pressure
Normally Closed Normally Open
NJ-G1/2-Q32-44-SS NJ-G1/2-Q32-44-SS-NO G1/2 13 70 125 G1/8 50 10bar
NJ-G3/4-Q40-44-SS NJ-G3/4-Q40-44-SS-NO G3/4 18 90 140 G1/8 58.5 8bar
NJ-G1-Q50-44-SS NJ-G1-Q50-44-SS-NO G1 22 90 170 G1/4 71.5
NJ-G11/4-Q63-44-SS NJ-G11/4-Q63-44-SS-NO G11/4 28 105 210 G1/4 84.5
NJ-G11/2-Q80-44-SS NJ-G11/2-Q80-44-SS-NO G11/2 35 125 250 G3/8 104

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2021-09-14 10:41:46
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