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NV General-purpose Needle Valve

  • Max. Working Pressure: 350bar

  • DN:5~15mm

  • Working Temperature: -50℃~+230℃

  • Body Material: 304、316L、2507 Stainless steel

热线电话: 0573-83696688
NV General-purpose Needle Valve
Product description
Parameters Table
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NV Stainless Steel Needle Type Globe Valve (1/4″~1″)

 

Uses: applicable to flow regulation and intended for throttling and shutoff

 

Features:  NV needle valve has a high pressure rating and it is easy to switch; the stem seal is compensated with a disc spring to ensure good tightness in high or low temperature applications; the stem has undergone case hardening; the valve has a long life and allows for frequent switching.

 

Applicable media: steam, water, oils and other gases or liquids compatible with the valve material
Metal material: 304 or 316L stainless steel or super duplex stainless steel 2507
(316L or 2507 is used for only components of the needle valve that are exposed to the media)
Sealing material: PTFE packing
Type of handle: straight handle (standard) 
Working temperature: -50℃~+230℃

 

I) Needle Valves with Threaded Connections

 

 

Ordering Information

 

 

Pressure Rating-Temperature Table

 

Seal Packing PTFE
Temperature [℃] Max. Working Pressure [bar]
-50~+80℃ 350
~+120℃ 280
~+160℃ 230
~+200℃ 180
~+230℃ 130

Table of Technical Data [mm]

 

Type of Connection 304 Needle Valve
Ordering Number
316L Needle Valve
Ordering Number
Connection Thread
A
DN H L Square Body
D*E
Max. Working Pressure [bar]
Inlet Outlet
G Female Thread G Female Thread NV-G1/4-SS NV-G1/4-SL G1/4 5 65 54 20*22 350
NV-G3/8-SS NV-G3/8-SL G3/8 6.5 68 57 25*25 350
NV-G1/2-SS NV-G1/2-SL G1/2 9 72 64 28*32 315
NV-G3/4-SS -- G3/4 12 81.5 75 35*40 250
NV-G1-SS -- G1 15 92 88 50*50 250
NPT Female Thread NPT Female Thread NV-1/4NPT-SS NV-1/4NPT-SL 1/4NPT 5 65 55 20*22 350
NV-3/8NPT-SS -- 3/8NPT 6.5 68 57 25*25 350
NV-1/2NPT-SS -- 1/2NPT 9 72 64 28*32 315
NPT Male Thread NPT Female Thread NV-1/4NPT-M/F-SS NV-1/4NPT-M/F-SL 1/4NPT 5 65 55 20*22 350
NV-1/2NPT-M/F-SS -- 1/2NPT 9 72 66 28*32 315
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2021-09-14 11:45:13
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