Features

• Precision Control of Low-Pressure Settings

• Installation Adaptability

• Wide Material Selection

• High Capacity

• Corrosion Resistant Materials

Body Sizes and End Connection Styles

Cast Iron1-1/2 or 2-inch  (DN 40 or 50) bodies with NPT end connections

Steel or Stainless Steel1-1/2 or 2-inch (DN 40 or 50) bodies with NPT, SWE, 150 RF,  300 RF or PN 16/25/40 end connections

Hastelloy C1-1/2 or 2-inch (DN 40 or 50) bodies with NPT, 150 RF or 300 RF

Maximum Control Pressure

Full Vacuum

Maximum Downstream Pressure

Full Vacuum

Vacuum Control Pressure Ranges

1-inch w.c. to 3 psig (2 mbar to 0,21 bar) in six ranges

Pressure Registration

Type Y696VR: InternalType Y696VRM: External

Temperature Capabilities

Nitrile (NBR): -20 to 180°F (-29 to 82°C)Fluoroelastomer (FKM): 40 to 300°F (4 to 149°C)Perfluoroelastomer (FFKM): -20 to 300°F (-29 to 149°C)Ethylenepropylene (EPDM):  -20 to 275°F (-29 to 135°C)Silicone (VMQ): -40 to 300°F (-40 to 149°C)

Approximate Shipping Weights

Cast Iron:  45 pounds (20 kg)Steel, Stainless Steel, or Hastelloy C:  57 pounds (26 kg)

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