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Double liquid type precision micro metering valve
The double-liquid precision micro metering valve PD44 is suitable for precision micro distribution. The PD44 valve has excellent performance and is specially used to control a small amount of glue (0.005 to 5.0cc), water-thin materials to pasty viscous materials. The metering rod and the precision-machined seal fit closely to increase the life of the seal. There is no material hose between the rod pump outlet and the static mixing tube inlet, thereby eliminating the ratio or The amount of glue dispensing errors caused by hose expansion or contraction. The product features are specifically designed for the precise dispensing of two-component materials, including epoxy, polyurethane, silicone and most anti-resin systems.
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Product Details
Double liquid type precision micro metering valve
PD44 is suitable for the distribution of precision trace
Superior performance
PD44 valve is specially designed to control a small amount of glue (0.005 to 5.0cc), water thin material to paste thick material. The metering rod and the precision-machined seal fit closely to increase the life of the seal. There is no material hose between the rod pump outlet and the static mixing tube inlet, thereby eliminating the ratio or The amount of glue dispensing errors caused by hose expansion or contraction.
Product characteristics
- Specially designed for the precise dispensing of two-component materials, including epoxy, polyurethane, silicone and most anti-ceramic resin systems.
- Improved low viscosity stem design.
- Rod type volumetric metering.
- Precise proportioning and dispensing volume repeatability.
- The material in the valve has no potential for hardening and does not need to be cleaned.
Working principle
The materials are kept out of contact before injecting the static mixing rod; the PD44 patented valve is characterized by an input/output valve stem assembly with a balanced characteristic. When it is turned from the filling position to the dispensing position, the material will not be discharged. This characteristic can make the supply pressure of "A" and "B" components reach 1200 psi during the filling period, during which the material is completely separated from the mixing rod input port, when it is turned to the dispense position, precise amounts of the "A" and "B" components are injected into the disposable mixing rod using rod-type volumetric metering technology.
| Packing | Displacement | Allocation |
| Stem right | Balanced stem assembly moves to the dispensing position | Metering rod moves down |
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Feeding system
The tube seat type feeding system transports the medium and low viscosity materials to the PD44 valve by placing different specifications of tube seats in the pressure vessel, and directly transports the medium and low viscosity materials from the big barrel. Barrel and barrel plungers, delivery pumps and hoses are required. The barrel can use different specifications of the barrel to transport the medium and low viscosity materials to the PD44 valve.
Product Specifications
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PD44 |
|---|---|
| Proportioning range | The volume ratio is 1:1 to 25:1, depending on the specifications of the selected metering rod |
| Gel output range | Gel output ranges from 0.005 to 5.0cc, depending on the size of the selected metering rod |
| Gel-out speed | Pneumatic valve up to 60 times/min |
| The maximum frequency depends on the length of the stroke, the gauge of the metering rod, the viscosity of the material, any back pressure and flow restriction generated by the mixer, the dispensing needle used and the dispensing workpiece | |
| mixing rod | Disposal Posimixer are available in diameters ranging from 1/8 inch (3.175mm) to 3/8 inch (9.525mm) and have a choice of cores |
| They can be fully mixed with most active resin systems. For mixing rods with special requirements, laboratory tests can be used to determine. | |
| Dimensions | Host:(W) 192mm * (L) 105mm * (H) 381 mm |
| (W) 7 - 9/16 inches * (L) 4 - 1/8 inches * (H) 15 inches | |
| Mixing rod: increased to (H) 14 3/4 inch (375mm) height 4 inch (100mm) | |
| Pneumatic valve controller:(W) 15 inches (381mm) * (D) 12 inches (305mm) * (H) 13 inches (330mm) | |
| Electric valve controller:(W) 20 inches (508mm) * (D) 8 inches (203mm) * (H) 20 inches (508mm) | |
| Weight | PD44 valve stand-alone: 14 lbs (6.35kg) to 15 lbs (6.80kg), depending on drive |
| Benchtop PD44 and control unit: 50 lbs (22.68kg) to 75 lbs (34.02kg), depending on option | |
| Job Demand | Standard industrial compressed air source |
| 0.1 (0.0028 m/min) to 2.58 CFM (0.07 m/min) at 80 psi (5.62kg/cm2) | |
| Power 120 / 240V,50 / 60 Hz |
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National Service Hotline:
Fax: 886-3-3693383
E-mail：loctai@loctai.com.tw
Company Headquarters: No. 255, Fuxing 2nd Street, Zhongfuli 12, Luzhu District, Taoyuan City, 338
Taiwan Address: No.1, Lane 212, Section 2, Gongdao Fifth Road, hsinchu city, Taiwan
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