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Steam Valve, 2 Port Valve For Steam VND Series

Steam Valve, 2 Port Valve For Steam VND Series

A valve made by SMC.
[Features]
· Use of a PTFE seal makes it suitable for steam.
· Large valve capacity.
· Wide variations.
· With indicator (option)
· Cylinder operated by external pilot air.
· With PTFE seal.

(i)Caution

  • Product images may be representative images. Refer to the catalog for details.

PDF

2 Port Valve For Steam, Steam Valve, VND Series Specifications

2 Port Valve For Steam, Steam Valve, VND Series external appearance

2 Port Valve For Steam, Steam Valve, VND Series external appearance

ModelPiping Connection Port DiameterOrifice Diameter ø (mm)Flow Rate CharacteristicsWeight (kg)
ThreadFlange*KvConversion Cv
VND10□D-6A1/8-70.91.10.3
VND10□D-8A1/4-1.01.2
VND10□D-10A3/8-1.11.3
VND20□D-10A-154.35.00.6
VND20□D-15A1/2-4.65.4
VND30□D-20A3/4-208.69.90.9
VND40□D-25A1-2513.6161.4
VND50□D-32A1 1/4-3215.7182.3
VND50□D-32F-325.5
VND60□D-40A1 1/2-4032.9383.6
VND60□D-40F-407.2
VND70□D-50A2-5053.6625.7
VND70□D-50F-5010.8

*The accompanying flange should be JIS B 2210 10K (ordinary) or its equivalent

Specifications

Fluid (Main Piping)Steam
Fluid Temperature*1 -5 to 180°C
Ambient Temperature*1: -5 to 60°C
Proof Pressure1.5 MPa
Operating Pressure Range0 to 0.97 MPa
External Pilot AirPressureN.C. Type0.3 to 0.7 MPa
N.O. Type0.1 + 0.25 × (operating pressure) to 0.25 + 0.25 × (operating pressure) MPa - See table (1)
LubricationNot required
Temperature*1: -5 to 60°C
Mounting OrientationFree

*1 No freezing.
*2 The non-lubricated specification are not available for these models.

JIS symbol

JIS symbol

JIS symbol

Table 1. VND□02D Pilot Pressure Valve Type (N.O. Type)

VND□02D pilot pressure valve type (N.O. type) pressure graph

VND□02D pilot pressure valve type (N.O. type) pressure graph

*Keep the pilot pressure within range A against the operating pressure.

Diagram

N.C. type (left drawing) / N.O. type (right drawing) diagram

N.C. type (left drawing) / N.O. type (right drawing) diagram

Component Parts

NumberPart NameMaterialNotes
1Body*BronzeClear coating
2Cover AssemblyAluminum alloyPlatinum silver coated
3Plate Assembly*BrassPTFE/EPR/FKM
4Valve Element*Brass, PTFE-
5Piston AssemblyAluminum alloy-
6Return SpringPiano wire-
7Second Plate AssemblyAluminum alloy-

*Body option S is stainless steel.

Operating Principle

For VND□00/04□ (N.C. Type)

When air is exhausted from 12 (P1) port, valve 4 linked to piston 5 is closed via the action of the return spring 6.

  • For Opening the Valve
     When pressurized air enters through port 12 (P1), the pilot air that has entered under the piston moves upward, opening the valve.
  • For Closing the Valve
     When fluid is exhausted from port 12 (P1), the pilot air under the piston is exhausted and the valve closed via the action of the return spring.

For VND□02□ (N.O. Type)

In contrast for the N.C. type, when air is exhausted from port 10 (P2), the valve is held open via the return spring. Pressurized air through port 10 (P2) closes the valve.

Dimensions/Diagram

 

(Units: mm)

 

Piping Connection Port Diameter: 6A, 8A, 10A

Piping connection port diameter: 6A, 8A, 10A dimensions and diagram

Piping connection port diameter: 6A, 8A, 10A dimensions and diagram

  • VND10□D-6A: main port 1 (A), 2 (B) 1/8
  • VND10□D-8A: main port 1 (A), 2 (B) 1/4
  • VND10□D-10A: main port 1 (A), 2 (B) 3/8

Piping Connection Port Diameter: 10A, 15A, 20A, 25A

Piping connection port diameter: 10A, 15A, 20A, 25A dimensions and diagram

Piping connection port diameter: 10A, 15A, 20A, 25A dimensions and diagram

ModelMain Port
1 (A), 2 (B)
ABCDEFGMNPQRSTU
VND20□D-10A3/86342281473.581.5452264.524.32.3253456
VND20□D-15A1/2
VND30□D-20A3/480503517.58593562315.528.32.3304361.5
VND40□D-25A190604422101109672366.533.32.3354974

Piping connection port diameter: 32A, 40A, 50A

Piping connection port diameter: 32A, 40A, 50A dimensions and diagram

Piping connection port diameter: 32A, 40A, 50A dimensions and diagram

ModelMain Port
1 (A), 2 (B)
Pilot Port
12 (P1), 10 (P2)
ABCDEFGHJ
VND50□D-32A1 1/41/8105775326.5121.520130.5855
VND60□D-40A1 1/21/4120966030138241481063
VND70□D-50A21/41401137437161241711274

Piping Connection Port Diameter / Flange Type: 32F, 40F, 50F

Piping connection port diameter / Flange type: 32F, 40F, 50F dimensions and diagram

Piping connection port diameter / Flange type: 32F, 40F, 50F dimensions and diagram

ModelCompatible Companion Flange
1 (A), 2 (B)
Pilot Port
12 (P1), 10 (P2)
ABCDEFGHJ
VND50□D-32F321/8130211.51351352010036128
VND60□D-40F401/415022714014724105421210
VND70□D-50F501/4180251155163.524120541412

Precautions

External Pilots

For the pilot port 12 (P1) and 10 (P2) piping, follow the information below for the relevant model.

  • Port 12 (P1): VND□O□D external pilot / VND□O2D bleed port
  • Port 10 (P2): VND□O□D bleed port / VND□O2D external pilot

SMC recommends installing a silencer on the bleed port to prevent debris from getting into the valve.

Piping

Use heat resistant parts for fittings, tubing, etc. (Compression fittings, fluorine resin tubes, copper piping, etc.)

Other Precautions

  • *See the SMC catalog for information other than that detailed above.
  • *Pictures are of representational models.

Adiabatic Space

There is a gap between the body and cover for heat insulation (*approx. 1 mm [see figure below]).

Detailed view of adiabatic space

Detailed view of adiabatic space

Part Number
VND102D-6A
VND102DS-6A-BL
VND102DS-10A
VND102DS-10A-L
VND104D-6A
VND104D-8A
VND104D-8A-L
VND104D-10A
VND104D-F8A-L
VND104D-N8A-L
VND104DS-6A
VND104DS-6A-L
VND104DS-8A
VND104DS-8A-L
VND104DS-10A
VND104DS-10A-B
VND104DS-10A-L
VND104DS-F8A
VND104DS-F8A-L
VND200D-10A
VND200D-10A-BL
VND200D-10A-L
VND200D-15A
VND200D-15A-B
VND200D-15A-L
VND200DS-10A
VND200DS-10A-BL
VND200DS-15A
VND200DS-15A-B
VND200DS-15A-L
VND200DS-F15A
VND200DS-N15A
VND200DS-N15A-L
VND202DS-15A
VND202DS-N15A
VND300D-20A
VND300D-20A-B
VND300D-20A-BL
VND300D-20A-L
VND300DS-20A
VND300DS-20A-B
VND300DS-20A-BL
VND300DS-20A-L
VND300DS-F20A
VND302D-20A
VND302DS-20A
VND400D-25A
VND400D-25A-B
VND400D-25A-BL
VND400D-25A-L
VND400D-N25A
VND400DS-25A
VND400DS-25A-B
VND400DS-25A-L
VND402D-25A
VND402DS-25A
VND402DS-25A-L
VND500D-32A
VND500D-32A-L
VND500D-32F
Part NumberMinimum order quantityVolume DiscountDays to ShipSwitching Type Connection Type Plumbing Thread Nominal Driving Type Tube Flange Nominal Orifice Dia.
(Ø)
Option Body material
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc1/8Pilot Type-7NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Open[Rc (R)] Rc1/8Pilot Type-7With bracket and indicator (for visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc3/8Pilot Type-7NoneStainless steel
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc3/8Pilot Type-7With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/8Pilot Type-7NoneCopper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/4Pilot Type-7NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc1/4Pilot Type-7With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-7NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally ClosedG1/4Pilot Type-7With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 31 Day(s) Normally ClosedNPT1/4Pilot Type-7With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/8Pilot Type-7NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/8Pilot Type-7With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/4Pilot Type-7NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/4Pilot Type-7With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-7NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-7With BracketStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-7With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally ClosedG1/4Pilot Type-7NoneStainless steel
1 Piece(s) 20 Day(s) Normally ClosedG1/4Pilot Type-7With indicator (visual verification of operation)Stainless steel
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-15NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-15With bracket and indicator (for visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-15With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc1/2Pilot Type-15NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc1/2Pilot Type-15With BracketCopper Alloy
1 Piece(s) Quote Normally Closed[Rc (R)] Rc1/2Pilot Type-15With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-15NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/8Pilot Type-15With bracket and indicator (for visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/2Pilot Type-15NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/2Pilot Type-15With BracketStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1/2Pilot Type-15With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally ClosedG1/2Pilot Type-15NoneStainless steel
1 Piece(s) 20 Day(s) Normally ClosedNPT1/2Pilot Type-15NoneStainless steel
1 Piece(s) 20 Day(s) Normally ClosedNPT1/2Pilot Type-15With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc1/2Pilot Type-15NoneStainless steel
1 Piece(s) 20 Day(s) Normally OpenNPT1/2Pilot Type-15NoneStainless steel
1 Piece(s) Quote Normally Closed[Rc (R)] Rc3/4Pilot Type-20NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20With BracketCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20With bracket and indicator (for visual verification of operation)Copper Alloy
1 Piece(s) Quote Normally Closed[Rc (R)] Rc3/4Pilot Type-20With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20With BracketStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20With bracket and indicator (for visual verification of operation)Stainless steel
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc3/4Pilot Type-20With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally ClosedG3/4Pilot Type-20NoneStainless steel
1 Piece(s) Quote Normally Open[Rc (R)] Rc3/4Pilot Type-20NoneCopper Alloy
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc3/4Pilot Type-20NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25NoneCopper Alloy
1 Piece(s) 31 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25With BracketCopper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25With bracket and indicator (for visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 20 Day(s) Normally ClosedNPT1Pilot Type-25NoneCopper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25NoneStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25With BracketStainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1Pilot Type-25With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc1Pilot Type-25NoneCopper Alloy
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc1Pilot Type-25NoneStainless steel
1 Piece(s) 20 Day(s) Normally Open[Rc (R)] Rc1Pilot Type-25With indicator (visual verification of operation)Stainless steel
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1 1/4Pilot Type-32NoneCopper Alloy
1 Piece(s) 20 Day(s) Normally Closed[Rc (R)] Rc1 1/4Pilot Type-32With indicator (visual verification of operation)Copper Alloy
1 Piece(s) 31 Day(s) Normally ClosedTube Flange-Pilot Type3232NoneCopper Alloy

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Basic Information

Type Air Operating Type Applicable Fluid Steam Operating Environment Standard
Operating Temperature Range(°C) -5::60

Tech Support

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