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  • Plast-O-Matic BSDA Series Polypropylene Shut-Off Valve, For Corrosive and Ultra-Pure Liquids, NPT Female
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Plast-O-Matic BSDA Series Polypropylene Shut-Off Valve, For Corrosive and Ultra-Pure Liquids, NPT Female

Available in multiple versions


Price: $159.06 - $853.64
Product Specifications
Brand Name Plast-O-Matic
Material Type Polypropylene (PP)
Maximum Pressure 100  PSI
LowerTemperature Range 32  Degrees Fahrenheit
Upper Temperature Range 180  Degrees Fahrenheit
Color Translucent white
Connector Type NPT Female
Manufacturer Series Number BSDA
Operation Mode Air Operated
Seal Material Type PTFE
Shape Inline
Style Name Threaded
UNSPSC Code 40141621

The standard diaphragm material is a combination of the PTFE on the wetted side backed-up with FK... Read full product description



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1" B007R8GIL8
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1-1/2" B007R8GIV8
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Product Features

  • Unique PTFE wetted diaphragm provides the ultimate in purity and chemical resistance
  • Compact - light in weight, million-cycle, non-sticking design
  • Can be mounted in any position
  • Normally-closed design provides bubble-tight shut off in the event of air or electrical failure
  • Patented Fail-Dry safety design warns of seal failure; permits valve to continue operating

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B007RESS8S
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The standard diaphragm material is a combination of the PTFE on the wetted side backed-up with FKM for strength and flexibility. Body made of Natural Polypropylene. There are no metal parts in the wetted areas. The miniature air-operated diaphragm valve that performs like a heavyweight. Designed for pressure and drain applications with highly corrosive or ultra-pure liquid systems when space is critical. The valve is ideal for a broad range of industrial applications, from electronic to chemical plants, commercial laundries, car wash operations, etc. For applications with ultra-pure water and concentrated etchants, such as in the semi-conductor industry, it provides the ultimate in non-leaching, contamination-free sealing. The standard valves are air pressure to open with spring return to close. There is no minimum inlet pressure required. Not designed for vacuum service. Normally-closed operation. A 3-way air solenoid valve connected to the 1/8" NPT port is required to actuate the diaphragm valve. When air pressure is applied, the diaphragm valve opens and when removed spring force closes the valve. The standard valves are precision machined from the highest quality brand thermoplastic bar stock with female NPT connections. It is recommended that filtered, lubricated compressed air be used. The cylinder head features multiple seals, in addition to the main diaphragm seal in contact with the liquid. There is a vent located between two seals (above the main diaphragm, below the cylinder head u-cups) that will "weep" in the event of a primary seal failure. The valve will still function, under pressure, without metal contacting liquid. This is the patented Plast-O-Matic Fail-Dry, which adds an additional layer of "protection" for your process.

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