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Hard Seat Needle Valves - Alloy Steel

An economical valve for regulating pressures up to 10,000 psi. Suitable for air, water, oil and other fluids with low-level corrosiveness.

 

Operating Specifications

 

Maximum Operating Pressure 10,000 psi (70,000 kPa)
Minimum Burst Pressure 20,000 psi (140,000 kPa)
Temperature Limits minus 20 degrees to 500 degrees fahrenheit (-28 to 260 degrees celcius)
Flow Coefficients (Cv) See part number table
 

Design Features

 

Body and Bonnet Material: AISI 1213 alloy steel
Stem Material: 416 stainless steel, hardened
Packing: Two-piece molded Teflon
Handle: Two-prong. Cast aluminum 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: Clear zinc plating
Assembly: Bonnet on all globe valves 1/2" and under is threaded into body and staked to prevent turning. Body and insert for angle valves fused into single unit by a welding process
 

 

 

 

Pattern NPT Size Part Number Cv
FFG 1/8" N1511 0.4
1/4" N1512 0.4
3/8" N1513 0.9
1/2" N1514 1.1
3/4" N1516 2.3
1" N1518 3.5
MFG 1/4" N1532 0.4
1/2" N1534 1.2
FFA 1/8" N1551 0.7
1/4" N1552 0.8
3/8" N1553 1.6
1/2" N1554 1.5
3/4" N1556 4.4
1" N1558 6.2
MFA 1/4" N1572 0.6
1/2" N1574 1.5
 

Panel Mounting Kit     Flow Rate Formula

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