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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.
2 Port Valve For Steam, Steam Valve, VND Series external appearance
Model | Piping Connection Port Diameter | Orifice Diameter ø (mm) | Flow Rate Characteristics | Weight (kg) | ||
---|---|---|---|---|---|---|
Thread | Flange* | Kv | Conversion Cv | |||
VND10□D-6A | 1/8 | - | 7 | 0.9 | 1.1 | 0.3 |
VND10□D-8A | 1/4 | - | 1.0 | 1.2 | ||
VND10□D-10A | 3/8 | - | 1.1 | 1.3 | ||
VND20□D-10A | - | 15 | 4.3 | 5.0 | 0.6 | |
VND20□D-15A | 1/2 | - | 4.6 | 5.4 | ||
VND30□D-20A | 3/4 | - | 20 | 8.6 | 9.9 | 0.9 |
VND40□D-25A | 1 | - | 25 | 13.6 | 16 | 1.4 |
VND50□D-32A | 1 1/4 | - | 32 | 15.7 | 18 | 2.3 |
VND50□D-32F | - | 32 | 5.5 | |||
VND60□D-40A | 1 1/2 | - | 40 | 32.9 | 38 | 3.6 |
VND60□D-40F | - | 40 | 7.2 | |||
VND70□D-50A | 2 | - | 50 | 53.6 | 62 | 5.7 |
VND70□D-50F | - | 50 | 10.8 |
*The accompanying flange should be JIS B 2210 10K (ordinary) or its equivalent
Fluid (Main Piping) | Steam | ||
---|---|---|---|
Fluid Temperature | *1 -5 to 180°C | ||
Ambient Temperature | *1: -5 to 60°C | ||
Proof Pressure | 1.5 MPa | ||
Operating Pressure Range | 0 to 0.97 MPa | ||
External Pilot Air | Pressure | N.C. Type | 0.3 to 0.7 MPa |
N.O. Type | 0.1 + 0.25 × (operating pressure) to 0.25 + 0.25 × (operating pressure) MPa - See table (1) | ||
Lubrication | Not required | ||
Temperature | *1: -5 to 60°C | ||
Mounting Orientation | Free |
*1 No freezing.
*2 The non-lubricated specification are not available for these models.
JIS symbol
VND□02D pilot pressure valve type (N.O. type) pressure graph
*Keep the pilot pressure within range A against the operating pressure.
N.C. type (left drawing) / N.O. type (right drawing) diagram
Number | Part Name | Material | Notes |
---|---|---|---|
1 | Body | *Bronze | Clear coating |
2 | Cover Assembly | Aluminum alloy | Platinum silver coated |
3 | Plate Assembly | *Brass | PTFE/EPR/FKM |
4 | Valve Element | *Brass, PTFE | - |
5 | Piston Assembly | Aluminum alloy | - |
6 | Return Spring | Piano wire | - |
7 | Second Plate Assembly | Aluminum alloy | - |
*Body option S is stainless steel.
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 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.
(Units: mm)
Piping connection port diameter: 6A, 8A, 10A dimensions and diagram
Piping connection port diameter: 10A, 15A, 20A, 25A dimensions and diagram
Model | Main Port 1 (A), 2 (B) | A | B | C | D | E | F | G | M | N | P | Q | R | S | T | U |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VND20□D-10A | 3/8 | 63 | 42 | 28 | 14 | 73.5 | 81.5 | 4 | 52 | 26 | 4.5 | 24.3 | 2.3 | 25 | 34 | 56 |
VND20□D-15A | 1/2 | |||||||||||||||
VND30□D-20A | 3/4 | 80 | 50 | 35 | 17.5 | 85 | 93 | 5 | 62 | 31 | 5.5 | 28.3 | 2.3 | 30 | 43 | 61.5 |
VND40□D-25A | 1 | 90 | 60 | 44 | 22 | 101 | 109 | 6 | 72 | 36 | 6.5 | 33.3 | 2.3 | 35 | 49 | 74 |
Piping connection port diameter: 32A, 40A, 50A dimensions and diagram
Model | Main Port 1 (A), 2 (B) | Pilot Port 12 (P1), 10 (P2) | A | B | C | D | E | F | G | H | J |
---|---|---|---|---|---|---|---|---|---|---|---|
VND50□D-32A | 1 1/4 | 1/8 | 105 | 77 | 53 | 26.5 | 121.5 | 20 | 130.5 | 8 | 55 |
VND60□D-40A | 1 1/2 | 1/4 | 120 | 96 | 60 | 30 | 138 | 24 | 148 | 10 | 63 |
VND70□D-50A | 2 | 1/4 | 140 | 113 | 74 | 37 | 161 | 24 | 171 | 12 | 74 |
Piping connection port diameter / Flange type: 32F, 40F, 50F dimensions and diagram
Model | Compatible Companion Flange 1 (A), 2 (B) | Pilot Port 12 (P1), 10 (P2) | A | B | C | D | E | F | G | H | J |
---|---|---|---|---|---|---|---|---|---|---|---|
VND50□D-32F | 32 | 1/8 | 130 | 211.5 | 135 | 135 | 20 | 100 | 36 | 12 | 8 |
VND60□D-40F | 40 | 1/4 | 150 | 227 | 140 | 147 | 24 | 105 | 42 | 12 | 10 |
VND70□D-50F | 50 | 1/4 | 180 | 251 | 155 | 163.5 | 24 | 120 | 54 | 14 | 12 |
For the pilot port 12 (P1) and 10 (P2) piping, follow the information below for the relevant model.
SMC recommends installing a silencer on the bleed port to prevent debris from getting into the valve.
Use heat resistant parts for fittings, tubing, etc. (Compression fittings, fluorine resin tubes, copper piping, etc.)
There is a gap between the body and cover for heat insulation (*approx. 1 mm [see figure below]).
Detailed view of adiabatic space
Part Number |
---|
VND400D-N25A-B |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Tube Flange Nominal | Orifice Dia. (Ø) | Option | Body material |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 5,183.30 | SMC SOLENOID AIR VALVE | 1 Piece(s) | 55 Day(s) | Normally Closed | NPT | 1 | Pilot Type | - | 25 | With Bracket | Copper Alloy |
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Type | Air Operating Type | Applicable Fluid | Steam | Operating Environment | Standard |
---|---|---|---|---|---|
Operating Temperature Range(°C) | -5::60 |
Please check the type/dimensions/specifications of the part VND400D-N25A-B in the Steam Valve, 2 Port Valve For Steam VND Series series.
Part Number |
---|
VND102D-10A-L |
VND102D-6A |
VND102D-6A-B |
VND400D-N25A-L |
VND400DS-25A |
VND400DS-25A-B |
Part Number | Price | Minimum Order Qty | Volume Discount | Days to Ship | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Tube Flange Nominal | Orifice Dia. (Ø) | Option | Body material |
---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 2,428.45 | 1 Piece(s) | 55 Day(s) | Normally Open | [Rc (R)] Rc | 3/8 | Pilot Type | - | 7 | With indicator (visual verification of operation) | Copper Alloy | ||
฿ 2,319.65 | 1 Piece(s) | 55 Day(s) | Normally Open | [Rc (R)] Rc | 1/8 | Pilot Type | - | 7 | None | Copper Alloy | ||
฿ 2,391.90 | 1 Piece(s) | 55 Day(s) | Normally Open | [Rc (R)] Rc | 1/8 | Pilot Type | - | 7 | With Bracket | Copper Alloy | ||
฿ 5,309.95 | 1 Piece(s) | 55 Day(s) | Normally Closed | NPT | 1 | Pilot Type | - | 25 | With indicator (visual verification of operation) | Copper Alloy | ||
฿ 9,350.85 | 1 Piece(s) | Same day | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | - | 25 | None | Stainless steel | ||
฿ 9,568.45 | 1 Piece(s) | 55 Day(s) | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | - | 25 | With Bracket | Stainless steel |
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