O, 1, 18, 20, and 26 Series Integral-Bonnet Needle Valves
Swagelok® offers compact needle valves in a full range of sizes, configurations, and materials for a variety of applications.
SpecificationsWorking Pressure
Temperature
Flow Coefficient
Body Material
Packing Material
End Connections
• Type
• Size |
Up to 6000 psig (413 bar)
–65 to 600°F (–53 to 315°C)
Up to 1.80
316 stainless steel, brass, steel, alloy 400
PFA
Swagelok tube fitting, NPT, female ISO
1/8 to 3/4 in.; 3 to 18 mm |
Features
- Live-Loaded Packing System
- 2-piece chevron packing with disc springs
- Improves seal
- Reduces friction wear
- Compensates for wear
- Reduces operating torque
- Packing nut enables easy external adjustments
- Fully supported packing reduces need for adjustment
- Stem Designs
- Vee—all series
- Soft-seat—all series
- Regulating—O, 1, and 18 series
- Flow Patterns
- Straight, angle, and cross
- Panel Mounting
Testing
Every integral-bonnet needle valve is factory tested with nitrogen at 1000 psig (69 bar). Seats have a maximum allowable leak rate of 0.1 std cm3/min. Shell testing is performed to a requirement of no detectable leakage with a liquid leak detector.
Cleaning and Packaging
All integral-bonnet needle valves are cleaned and packaged in accordance with Swagelok Standard Cleaning and Packaging (SC-10). Cleaning and packaging in accordance with Swagelok Special Cleaning and Packaging (SC-11) to ensure compliance with product cleanliness requirements stated in ASTM G93 Level C are available as an option.
Options
Stem Packing Materials
Two-piece chevron-style PFA packing is standard.UHMWPE and PEEK materials are available factory assembled and in kits for field assembly.
O-Ring Stem Seals O-ring stem seals of Buna C, Buna N, ethylene propylene, fluorocarbon FKM, Kalrez®, and silicone are available factory assembled and in kits for field assembly.
Handles Round phenolic and bar aluminum or stainless steel handles are available factory assembled and in kits for field assembly.
Sour Gas ServiceIntegral-bonnet needle valves with female NPT, female ISO, and male NPT end connections are available for sour gas service.