Hard Seat Needle Valves - 316 Stainless Steel

Designed for applications where caustic liquids and corrosive media are common.

 

Operating Specifications

 

Maximum Operating Pressure 10,000 psi (70,000 kPa)
Minimum Burst Pressure 20,000 psi (140,000 kPa)
Temperature Limits minus 100 degrees to 500 degrees fahrenheit (-73 to 260 degrees celcius)
Flow Coefficients (Cv) See part number table
 

Design Features

 

Body and Bonnet Material: 316 stainless steel
Stem Material: 17-4 PH stainless steel.
Packing: Two-piece molded Teflon
Handle: Two-prong. Stainless steel in natural for 1/8" through 1/2" sizes. Malleable iron for 3/4" and 1" sizes
Connection:  National Pipe Thread, meeting specifications of Federal Standard H-28.
Finish: Stainless steel is passivated (surface contamination removed)
Assembly: Bonnet is threaded into body and staked to prevent turning.
 
 

 

Pattern NPT Size Part Number Cv
FFG 1/8" N1311 0.4
1/4" N1312 0.4
3/8" N1313 0.9
1/2" N1314 1.1
3/4" N1316 2.3
1" N1318 3.5
MFG 1/4" N1332 0.4
1/2" N1334 1.2
FFA 1/8" N1351 0.7
1/4" N1352 0.8
3/8" N1353 1.6
1/2" N1354 1.5
3/4" N1356 4.4
1" N1358 6.2
MFA 1/4" N1372 0.6
1/2" N1374 1.5
 

Panel Mounting Kit     Flow Rate Formula

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