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Factory address:Economic Development Zone, LuoTian County, Huanggang City, HuBei Prov., China 438000.
Office address: Room 701, Block 3, WeiLaiZhiGuang, Guanggu Avenue No.3 , Hongshan District, Wuhan, Hubei Pro., China430074
Needle Throttle valve & Restrictor orifice
316 stainless steel construction. May be used in pneumatic or hydraulic systems. Standard Buna N seals , other seals available. Type to NACE MR-0175 available. Operating force is small. Large Cv factor provides a fast system response.
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Needle Throttle valve & Restrictor orifice
Features
316 stainless steel construction.
May be used in pneumatic or hydraulic systems.
Standard Buna N seals , other seals available.
Type to NACE MR-0175 available.
Operating force is small.
Large Cv factor provides a fast system response.
Explanation
From port P to port A , the valve as a Throttle valve . And from port A to port P, the valve as a check valve .
Structure and Specifications

Needle Throttle valve
Work Pressure | MAX . 1000 psig(68 .9bar) | Wetted Material | 316 S5 & Buna N |
Work Temperature | -40~212 ° F (-40~ 100°C )standard valve | Valve Ports | 1/8" NPT, 1/4" NPT |
Flow Control Valve
Work Pressure | MAX . 10000psig(689bar) | Work Temperature | -40~212 ° F (-40~ 100°C )standard |
Check Pressure | 5 psig(0 .3 bar) | Wetted Material | 316 SS & Buna N standard |
Valve Ports | 1/8"FNPT & 1/8"NPT |
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Product Ordering Information
Ordering Code | Type | Size B | Size C | Cv Factor | Cv Factor |
FCV-SS-FN2 | Flow Control Valve | 1.75 in. (47.5 mm) | 1.92 in. (48.8 mm) | 0.4 (P to A) | 0.1 (A to P) MAX. |
FCV-SS-FN4 | Flow Control Valve | 2.1 in. (53.3 mm) | 2.2 in. (48.8 mm) | 0.4 (P to A) | 0.1 (A to P) MAX. |
FCV-10SS-FN4 | Flow Control Valve | 2.5 in. (63.5 mm) | 3.5 inches (89 mm) | 0.4 (P to A) | 0.1 (A to P) MAX. |
Ordering Code | Type | Size B | Size C | Flow coefficient | Port |
NTV-SS-FN2 | Throttle valve | 1.57 in. (40 mm) | 1.75 in. (44.6 mm) | 0.1 | 1/8" NPT |
NTV-SS-FN4 | Throttle valve | 1.57 in. (40 mm) | 1.75 in. (44.6 mm) | 0.1 | 1/4" NPT |
NTV-10SS-FN4 | Throttle valve | 2.5 in. (63.5 mm) | 3.31 in. (84.1 mm) | 0.1 | 1/4" NPT |
Ordering Code | Type | Work Pressure | Size A | Size B | Size C | Port |
ORF-SS-2A | Restrictor orifice | 1000 psig (68.9 bar) | 1.26 inches (32 mm) | 0.625 in. (15.88 mm) | 0.02 in. (0.5 mm) | 1/8" NPT |
ORF-SS-3A | Restrictor orifice | 1000 psig (68.9 bar) | 1.26 inches (32 mm) | 0.625 in. (15.88 mm) | 0.03 in. (0.8 mm) | 1/8" NPT |
ORF-SS-2B | Restrictor orifice | 1000 psig (68.9 bar) | 1.26 inches (32 mm) | 0.625 in. (15.88 mm) | 0.02 in. (0.5 mm) | 1/8" NPT |
ORF-SS-3B | Restrictor orifice | 1000 psig (68.9 bar) | 1.26 inches (32 mm) | 0.625 in. (15.88 mm) | 0.03 in. (0.8 mm) | 1/8" NPT |
ORF-10SS-2A | Restrictor orifice | 10,000 psig (689 bar) | 1.26 inches (32 mm) | 0.875 in. (22.23 mm) | 0.02 in. (0.5 mm) | 1/4" NPT |
ORF-10SS-3A | Restrictor orifice | 10,000 psig (689 bar) | 1.26 inches (32 mm) | 0.875 in. (22.23 mm) | 0.03 in. (0.8 mm) | 1/4" NPT |
ORF-10SS-2B | Restrictor orifice | 10,000 psig (689 bar) | 1.6 in. (40.5 mm) | 0.875 in. (22.23 mm) | 0.02 in. (0.5 mm) | 1/4" NPT |
ORF-10SS-3B | Restrictor orifice | 10,000 psig (689 bar) | 1.6 in. (40.5 mm) | 0.875 in. (22.23 mm) | 0.03 in. (0.8 mm) | 1/4" NPT |
Other sizes and types available upon request . For special requirements , please contact us .
Repair Kit
Repair kit:Contains all seals .
Maintenance Kit Order Code: KIT- FCV -2
FCV | 2 | ||
Code | Type | Code | Port |
FCV | Flow Control Valve | 2 | 1/8" NPT |
NTV | Needle Throttle valve | 4 | 1/4" NPT |
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