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3 Valve Manifolds

Introduction

3 Valve Manifolds are an essential component in industrial instrumentation systems used for pressure measurement, monitoring, and control. These manifolds provide more flexibility and functionality than simpler 2-valve designs by incorporating an additional valve, enabling pressure equalization, isolation, and venting in a single compact unit. The additional valve allows for equalizing pressure between the instrument and the process, which is particularly important when working with differential pressure applications.

The 3 Valve Manifolds is typically used in applications where differential pressure measurement is required, such as in flow measurement, level measurement, and other processes where two different pressure readings need to be monitored or compared. These manifolds allow for accurate calibration and maintenance of measurement devices without disturbing the operation of the process, ensuring system reliability and safety.

Applications

3 Manifolds Valve is trusted across various industries for its precision, durability, and reliability. Explore its wide-ranging applications below:

Oil & Gas icon

Oil & Gas

Pressure measurement and monitoring in pipelines, oil rigs, and refineries.

Water Treatment icon

Water Treatment

Flow, reservoirs and pressure monitoring in water treatment plants and distribution systems.

Power Generation icon

Power Generation

Monitoring of pressure and temperature in steam and cooling systems.

Chemical & Petrochemical Industries icon

Chemical & Petrochemical Industries

Pressure and flow measurement in reactors, pipelines, and distillation columns, and fluid transfer lines.

Pharmaceutical and Food Processing Equipment icon

Pharmaceutical and Food Processing Equipment

Flow, temperature, and pressure monitoring in manufacturing processes.

Automotive and Aerospace icon

Automotive and Aerospace

Pressure monitoring in fuel systems, hydraulic systems, and cooling circuits.

Marine Industry icon

Marine Industry

Fuel and exhaust control systems, coolant systems. The 2-piece design provides a lightweight, space-saving solution for controlling fluids in automotive applications,

Technical Specifications

FEATURES / BENEFITS

  • Available in material SS316, Inconel, Monel, Duplex etc. all wetted parts in accordance with NACE MR01-75
  • Heat Code Traceable to certified material test report
  • Low operating torques
  • Bar stock Body in Straight Pattern
  • Anti Blow-out stem, Variety of stem tips
  • PTFE packing standard
  • Flow coeficient (Cv) From 0.35 to 1.8
  • Orifce size : 0.156" (4.0 mm), 0.250" (6.4mm), 0.375" (9.5mm)
  • Variety of end configuration includes YDB ODT Tube Fittings, Male / Female NPT, BSPT, BSPP pipe and tube socket weld connections
  • Every valve is factory tested.

OPERATING PARAMETERS

  • Pressure Rating : upto 6000 psig (413 bar) at CWP
  • Temperature Rating : -54 C to 232 C with standard PTFE packing upto 426 C with optional Graphite packing

APPLICATIONS

  • General Plant Service
  • Instrument Isolation
  • Hydraulic and Pneumatic
  • Pressure measurement devices
  • Venting

TECHNICAL DATA

The Temperature and Pressure rating for a standard valve with PTFE packing.

TemperaturePressure
psigbar
-54 C to 38 C6000408
-54 C to 93 C5160351
-54 C to 148 C4660317
-54 C to 204 C4280291
-54 C to 232 C4130289

TESTING

  • Standard Test: Each valve is factory tested with nitrogen at 1000 psig (69 bar) for leakage at the seat and packing.
  • Optional Hydrostatic test: This test is performed with de-ionised water at 1.5 time the working pressure.
Sr. NoDescriptionMaterial
1.Bar HandleSS316
2.Set ScrewSS316
3.SteamSS316
4.Stem TipSS316
5.Packing BoltSS316
6.Lower BonnetSS316
7.Lock NutSS316
8.PackingPTFE
9.Packing WasherSS316
10.WasherSS316
11.Lock PinSS316
12.Dust CapPVC
13.Valve BodySS316

STEM TYPE

  • YDB Needle Valves are available with choice of optional stem to provide greater Fexibility.
  • NON-ROTATING (NR) : It is Standard self centering non rotating stem tip typically used in high cycle application to extend the valve life.
  • V-STEM (VS) : It is used for general purpose liquid and gases.
  • SOFT SEAT (SS) : A soft seat stem requires a lower sealing torque, It is replaceable and suitable for temperature upto 120 C
  • REGULATING STEM (RS) : It is used where some degree of fow control required.

Horizontal Style (Remote Mounting)

Part NumberEnd ConnectionsWeight Dimensions
ProcessInstrumentABCDEFG
YM3V-F8N1/2" Female NPT228.031.086.024.078.0106.033.5

Horizontal Single Flange Style (Direct Mounting)

Part NumberEnd ConnectionsWeight Dimensions
ProcessInstrumentABCDEFGH
YM2V-F8N1/2" Female NPTFlange228.543.086.055.654.097.087.731.8
  • All dimensions in millimeters unless specified as “inch”. Dimension are for reference only and are subject to change.
  • To order a manifold with optional Grafoil packing, add-G to the manifold ordering number.

Horizontal Dual Flange Style (Direct Mounting)

Part NumberEnd ConnectionsWeight Dimensions
ProcessInstrumentABCDEFGH
YM3VDFFlangeFlange228.043.086.055.654.096.487.762.0

Vertical Style (Direct Mounting)

Part NumberEnd ConnectionsWeight Dimensions
ProcessInstrumentABCDEFGH
YM3VD-F8N1/2" Female NPTFlange250.054.0108.041.432.064.0136.032.0
  • All dimensions in millimeters unless specified as “inch”. Dimension are for reference only and are subject to change.
  • To order a manifold with optional Grafoil packing, add-G to the manifold ordering number.

Manifolds Accessories

Flange Bolts & Seals

Flange Bolts

Flange BoltPart NumberHex Size mm (in.)Length mm (in.)ThreadsBolt Material Designator
Standard Hex Head BoltYM-FB15.87
(5/8)
25.0 (1.0)7/16-20Stainless Steel: -S
Carbon Steel: -C
Long Stud with Hex NutYM-LFB58.0 (1.28)
Short Hex Head BoltYM-SFB22.2 (0.875)

Flange Seals

Seal MaterialOrdering No.Temperature Rating
VitonYM-FS-V-20 ~ 450 (-28 ~ 232)
PTFEYM-FY-65 ~ 250 (-53 ~ 121)
GrafoilYM-FY-GR-65 ~ 1000 (-53 ~ 537)

Ordering Information

1. Valve Series

  • Ym2 : 2-Valve Manifolds
  • Ym3 : 3-Valve Manifolds
  • Ym5 : 5-Valve Manifolds

2. Mounting Type

  • V : Horizontal style ( Remote Mounting)
  • VF : Horizontal Single Flange Style (Direct Mounting)
  • VDF : Horizontal Dual Flange Style (Direct Mounting)
  • VD : Vertical Style (Direct Mounting)

3. End connection type

  • Y : YDB Tube Fittings
  • F : Female pipe thread

4. End connection size

Tube O.D. Designation

Size (inch)1/2
Designation8

Pipe Thread Designation

Size (inch)1/2
Designation8N

5. Body Material

  • SS : Stainless steel 316
  • M40 : Alloy 400 (Monel)
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YDB VALVES LLP

A pioneer manufacturer & supplier company having good experience in the designing and manufacturing of a new concept instrumentation Valves

CONTACT DETAILS

HEAD OFFICE

Y-21, Khan Real Industrial Estate, N. H. 08, Pelhar, Vasai Phata, Vasai East, Palghar - 401208. INDIA


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