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> Instrument Manifolds—V, VB, and VL Series
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Instrument Manifolds—V, VB, and VL Series
Swagelok® offers a variety of 2-, 3-, and 5-valve instrument manifolds. The 2-valve manifolds are designed for static pressure and liquid level applications; the 3- and 5-valve manifolds are designed for differential pressure applications. The V, VB, and VL series manifolds feature a horizontal body design.
The flow through a Swagelok manifold is controlled by a series of stainless steel needle valves. Each valve has a specific function—to block pressure, to bleed off pressure, or to equalize pressure—depending on its location on the manifold. The control of all these functions is shared by two needle valve designs—a large-bonnet needle valve for manifold orifices of 0.156 in. (4.0 mm) and a small-bonnet needle valve for manifold orifices of 0.125 in. (3.2 mm).
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Specifications
Working Pressure
Temperature
Body Material
Packing Material
Manifold Connections
• Types
• Sizes |
Up to 6000 psig (413 bar)
–65 to 1200°F (–53 to 648°C)
Stainless steel
PTFE or Grafoil®
Female pipe (NPT and ISO 228/1)
Flange (MSS)
Swagelok tube fittings
1/2 in. and 12 mm
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More Information
Download the Instrument Manifolds—V, VB, and VL Series catalog.
Find instrument manifolds in the product search.
Features - One-piece 316 stainless steel valve bodies provide strength.
- Valves contain hardened stainless steel, nonrotating ball stem tip for consistent shutoff.
- Materials for pressure-containing wetted parts are in compliance with ASME B31.1.
- Metal-to metal body-to-bonnet seal eliminates the need for O-rings.
- 316 stainless steel stop-pin design is vibration tested to MIL-STD 167-1, Sections 5.1.2.4.2 through 5.1.2.4.6.
- Flange bolts and fluorocarbon FKM flange seals are included with flange end connections.
2-Valve Instrument Manifolds
V Series - One block valve and one bleed valve
- Allows for block and bleed (or calibration) of static pressure transmitter or gauge
- Direct instrument mount and remote mount
VL Series
- Two block valves operating in parallel to shut off either one of two process lines through the manifold
- Designed for liquid level applications
- Direct instrument mount
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3-Valve Instrument Manifolds
V Series
- Two block valves and one equalizer valves
- Designed for mounting on differential pressure transmitters with 2 1/8 in. (54 mm) center-to-center connections
- Direct instrument mount and remote mount
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5-Valve Instrument Manifolds
V Series
- Two block valves, two equalizer valves, and one bleed valve
- Designed for mounting on differential pressure transmitters where a double-equalize function is required
- Direct instrument mount and remote mount
VB Series
- Two block valves, two bleed valves, and one equalizer valve
- Designed for mounting on differential pressure transmitters where a double-bleed function is required
- Direct instrument mount and remote mount
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Testing
Every Swagelok instrument manifold 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 with a liquid leak detector to a requirement of no detectable leakage.
Cleaning and Packaging
Swagelok instrument manifolds are cleaned and packaged in accordance with Swagelok Standard Cleaning and Packaging (SC-10).
Options and Accessories
- High-temperature Grafoil packing
- Grafoil, virgin PTFE, and reinforced PTFE flange seal materials
- Hydrostatic testing
- Mounting bracket kits
- Optional flange fasteners
- Eccentric flanges
- Concentric and eccentric pipe nipples
- Transmitter calibration fittings
- Gauge adapters
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