Elastomeric Seal / O-ring Vacuum Valves Datasheets

Lateral Valve -- DRV 12
from co-ax valves inc.

The valves are intended for installation in pipelines in accordance with the EC guideline 97/23/EC concerning pressure devices. The type of medium (chemical, abrasive, and corrosive effect) agreed with the order and the limit values of medium pressure and temperature according to the data sheet must... [See More]

  • Port Flange & Seal Type: NPT_Female; Elastomeric / O-ring
  • Port OD: 0.4724
  • Type: Lateral Valve
  • Vacuum / Pressure Range: Low or roughing vacuum level (> 1 torr)
Combination Air Release / Degassing Valve -- CARD
from Plast-O-Matic Valves, Inc.

Series CARD Combination Air Release and Degassing Valve in a single unit. Also provides Vacuum Relief Valve function, which prevents pipeline vacuum in case of leaks or siphon. Connections from 1 ″ – 4 ″ in a variety of materials; sizing is based on air volume requirements. [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring; Viton, EPDM
  • Port OD: 1 to 4
  • Type: Relief
  • Body Materials: PVC, CPVC, EPDM
High Vacuum Gate Valve -- Manual, ASA/ANSI Ports
from A&N Corporation

Vacuum rating of 1x10-9 torr. Bakeable to 150oC (200oC intermittent). Viton bonnet seal. Acme threads [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring; ASA
  • Port OD: 2.5 to 12
  • Type: Gate
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr)
Tank Vacuum Relief Valve -- 20QVF
from CESCO

Protection of tanks that can be damaged by vacuum [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring
  • Port OD: 2
  • Type: Relief
  • Vacuum / Pressure Range: Elevated or positive pressures (>> 760 torr)
Compact Vacuum Valve -- NW40-CRV
from MKS Instruments, Inc.

The Corrosion and Ozone Resistant Valve is designed for use in harsh environments, employing patented technology to completely seal off the valve bellows while the valve is in the open processing position. Aluminum or stainless shields protect the bellows from corrosive process gases, while a unique... [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring
  • Port OD: 1.5
  • Type: Inline; Angle (optional feature)
  • Leak Rate: 1.00E-9
Electronic Solenoid Air Admittance Valve -- VB M-B
from VACUUBRAND, Inc.

These valves are compact air admittance valves with a small flange. The VB valve is manually operated. On rotating the knurled screw cap, the valve disc is lifted off the seating, and air enters through the holes. The valve disc is rotatable. Therefore the valve seat seal is prevented against wear... [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring
  • Port OD: 0.3937
  • Type: Air Admittance Valve
  • ISO Port Flange Size: NW 16
Angle Valve for Chemistry -- Series 271
from VAT, Inc.

DN 25 - 160. These products are subject to the Non Proliferation Treaty (NPT). Body made of aluminum or stainless steel. Bellows feedthrough with additional shaft seal for safety. [See More]

  • Port Flange & Seal Type: Elastomeric / O-ring
  • Vacuum / Pressure Range: (UHV,  < 10-8 torr)
  • Type: Angle
  • Temperature Range: 248