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Diaphragm Isolated Valves
The valve part and the actuator part (solenoid) of these valves are sectioned by a diaphragm so the fluid does not come into contact with the metal parts of the solenoid. The wetted materials are PTFE, PEEK, or PPS, etc so as to be compatible with a wide range of fluids.
List of Diaphragm Isolated Valves
FV series
The size of this valve is just 4.2mm square. This is an innovative and groundbreaking ultra-small solenoid-driven diaphragm isolated valve. The internal volume is now only 1.1μl - contributes to reductions in reagent and improvements in accuracy.
| Orifice diameter | 0.4mm |
|---|---|
| IN port pressure | 0 ~ 100 kPa |
| Power consumption | 1~1.2W |
| Outer dimensions | 4.2 x 4.2 x 23.1mm |
FLV series
This valve is a latching solenoid valve in which the open and closed status of the valve is maintained by magnetic force. Contributes low power consumption, because electricity is consumed only when energized. With the size of 4.2 mm square, it is an innovative and groundbreaking ultra-small solenoid valve of an internal volume just 1.1μl. This valve is suitable for micro fluidic control.
| Orifice diameter | 0.4mm |
|---|---|
| IN port pressure | 0 ~ 100 kPa |
| Power consumption | 2.4~3W(when energized) |
| Outer dimensions | 4.2 x 4.2 x 23.1mm |
KV series
A diaphragm isolated valve of width just 6mm. substantial shortening of the flow-path between ports and reduction in mounting space are made possible by the manifold-mountable type. The internal volume is just 10 micro liters on both the IN and OUT port.
| Orifice diameter | 0.8mm |
|---|---|
| IN port pressure | 0 ~ 100 kPa |
| Power consumption | 1.8W |
| Outer dimensions | 6.0 x 50.0 x 12.5mm |
LV series
This manifold mountable diaphragm valve is just 8.9 x 10.4mm, giving a footprint of less than 1cm2. It simultaneously realizes a very small internal volume of 3.3μl at the IN port and 8.3μl at the OUT port, and a shortening of the flow-path between ports.
| Orifice diameter | 0.8mm |
|---|---|
| IN port pressure | 0 ~ 100 kPa |
| Power consumption | 1.2W |
| Outer dimensions | 8.9 x 10.4 x 28mm |
EXAK series
This is a zero-pumping volume type of diaphragm isolated valve. Fluoropolymer is used for all of the wetted parts giving it great chemical compatibility. The outer dimensions are a very compact φ12.0 x H 48.1 (mm).
| Orifice diameter | 0.8mm |
|---|---|
| IN port pressure | -40 ~ 100 kPa |
| Power consumption | 0.94W |
| Outer dimensions | 12 x 26.0 x 35.45mm |
EXAKN series
This is a zero-pumping volume type of diaphragm isolated valve. Perfluoroelastomer is used for the seal part and the valve has increased sealing ability. The outer dimensions are a very compact φ14.0 x H 42.3 mm.
| Orifice diameter | 0.8mm |
|---|---|
| IN port pressure | -40 ~ 300 kPa |
| Power consumption | 1.2W |
| Outer dimensions | φ14.0 x 42.3mm |
EXV series
This is a diaphragm isolated manifold mountable valve with a moulded body. it is small with dimensions of W 14mm x H 32mm. You can choose the body material from the highly chemically resistant PEEK or PPS.
| Orifice diameter | 1.0mm |
|---|---|
| IN port pressure | -20~200kPa |
| Power consumption | 2.8W |
| Outer dimensions | 14.0 x 25.0 x 31.7mm |
STV series
This is a diaphragm isolated valve of outer dimensions φ20.0 x 42.5 mm. Highly chemically compatible materials PTFE, PEEK, PPS, etc. are available for the valve body material. This valve is a popular model among small inert solenoid valves and is playing an active role in a wide range of applications.
| Orifice diameter | 1.0~1.2mm |
|---|---|
| IN port pressure | -50 ~ 200 kPa |
| Power consumption | 1.7~2.9W |
| Outer dimensions | φ20.0 x 42.5mm |
XTA series
This is a diaphragm-isolated valve with a microcomputer control circuit built in as standard.
By making use of the characteristics of the control circuit, we have added types of valve possessing
various features to this series, such as a silent type, high pressure type, and low power consumption type.
Various body materials and port connections including a manifold-mountable type are available.
While the open frame solenoid gives the XTA series a good cost performance,
it is also covered by a stainless steel case of refined design.
| Orifice diameter | 1.2 ~ 2.0mm |
|---|---|
| IN port pressure | -50 ~ 600kPa |
| Power consumption | 0.8 ~ 3.1W |
| Outer dimensions | 24.0 x 20.6 x 53.9mm |
MTV series
This valve has the outer diameter Φ26.0 mm and represents TAKASAGO brand.The PTFE machined diaphragm has a high chemical compatibility. There are a wide variety of valve bodies such as moulded bodies or machined bodies, thread port connections or hose barbconnections, etc.
| Orifice diameter | 1.0~2.0mm |
|---|---|
| IN port pressure | -100 ~ 600 kPa |
| Power consumption | 1.9~4.4W |
| Outer dimensions | φ26.0 x 57mm |
JTV series
This is a miniature 2-way elastomer diaphragm isolated valve. The hose barb connection enables you to connect silicone tubing directly to the valve.
| Orifice diameter | 1.2mm |
|---|---|
| IN port pressure | 0 ~ 80 kPa |
| Power consumption | 1.0W |
| Outer dimensions | φ14.5 x 34.1mm |
WTA・WTB series
For the purpose of cost reduction, this valve adopts a open framed solenoid, which is covered by a plastic case.
| Orifice diameter | 1.6 ~ 2.0 mm |
|---|---|
| IN port pressure | -90 ~ 200 kPa |
| Power consumption | 2.8 ~ 3.4 W |
| Outer dimensions | W27.5 ~ 28.2 x L24 ~ 24.5 x H47 ~ 61.7 mm |
WLB series
This valve is a latching solenoid valve. Electricity is consumed when energization is only required just an instant opening or closing, so heat generation is very limited.
| Orifice diameter | 2.0mm |
|---|---|
| IN port pressure | -50 ~ 200 kPa |
| Power consumption | 8.0W (when energized) |
| Outer dimensions | 25.0 x 26.0 x 55.9mm |
MCV series
This is an elastomer diaphragm isolated valve with an diameterφ26.0mm. There are a wide variety of body materials or port connections etc.
| Orifice diameter | 2.0mm |
|---|---|
| IN port pressure | -27~100 kPa |
| Power consumption | 2.6W |
| Outer dimensions | φ26.0 x 48.7mm |
MLV series
The outer dimensions of this diaphragm isolated valve are φ30.0 x 57.2 mm(mm). The PTFE machined diaphragm has a high chemical compatibility. The port connection can be selected from M8, 5/16-24UNF, Rc1/8 and 1/8-27NPT.
| Orifice diameter | 2.5mm |
|---|---|
| IN port pressure | -40 ~ 200 kPa |
| Power consumption | 3.1~4.4W |
| Outer dimensions | φ30.0 x 57.2mm |
ACV series
This is a 2-way valve with a moulded actuator, a moulded body and an elastomer diaphragm. The port connections are the hose barbs to which silicone tubing can be connected directly.
| Orifice diameter | 3.0mm |
|---|---|
| IN port pressure | -55 ~ 100 kPa |
| Power consumption | 5.0W |
| Outer dimensions | 34.0 x 47.0 x 62.0mm |
YTV series
The outer dimensions of this diaphragm isolated valve are 40 x 40 x 90 mm. A PTFE machined diaphragm is used in this valve with 2-way and 3-way versions available.
| Orifice diameter | 3.0mm |
|---|---|
| IN port pressure | -100 ~ 150 kPa |
| Power consumption | 5.0W |
| Outer dimensions | 40.0 x 50.0 x 77.0mm |
DTV series
The orifice diameter of this diaphragm isolated valve is φ3-4mm and the outer dimensions are 42.0 x 36.0 x 74.5 mm. Increasing the percentage of about 60 % of the parts used for this valve are purchased from China, enabling an excellent cost performance.
| Orifice diameter | 4.0mm |
|---|---|
| IN port pressure | -90 ~ 200 kPa |
| Power consumption | 5.0~7.0W |
| Outer dimensions | 36 x 42.0 x 74.5mm |
NPV series
This is a proportional diaphragm valve for chemical fluids whose flow is controllable by changing the input voltage. It has a comparatively large orifice diameter of 4mm. It has excellent chemical compatibility because PTFE is used for all the wetted parts.
| Orifice diameter | 4.0mm |
|---|---|
| IN port pressure | 0 ~ 100 kPa |
| Power consumption | 7W(at 24 VDC) |
| Outer dimensions | φ40 × L95 mm |
NRV series
The orifice diameter of this diaphragm isolated valve is φ4-6 mm. Valve bodies machined from a variety of materials are available. Select the port connection from Rc1/4, 1/4-15NPT, Rc1/8, 1/8-27NPT.
| Orifice diameter | 4.0~6.0mm |
|---|---|
| IN port pressure | -90 ~ 200 kPa |
| Power consumption | 5.5~10.0W |
| Outer dimensions | φ44.0~45.0 x 80.0~84.0mm |
PKV series
This is a diaphragm isolated valve with a wide range of orifice diameters from φ3.5 - 6mm and outer dimensions of 66.0 x 45.0 x 75.0mm. The standard materials are PEEK for the body and PTFE for the diaphragm.
| Orifice diameter | 4.0~6.0mm |
|---|---|
| IN port pressure | -90~200kPa |
| Power consumption | 6.0~21.0W |
| Outer dimensions | 40.0 x 42.0 x 71.0mm |
HTV series
This 2-way diaphragm isolated valve has a large orifice diameter of φ10.0mm. The PTFE machined diaphragm used for this model has a high chemical compatibility.
| Orifice diameter | 10.0mm |
|---|---|
| IN port pressure | -90 ~ 100 kPa |
| Power consumption | 10W |
| Outer dimensions | 60.0 x 75.0 x 124.0mm |
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