25mm VI Style Vacuum Flange Insert Check Valve, 0.125 psi Cracking Pressure
25mm VI Style Vacuum Flange Insert Check Valve, 0.125 psi Cracking Pressure
SKU:VIS-fddd79
Compact and versatile 25mm VI Style Vacuum Flange Insert Check Valve with 0.125 psi Cracking Pressure, ideal for low pressure relief under varying conditions.
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$149.99
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$149.99
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25mm VI Style Vacuum Flange Insert Check Valve, 0.125 psi Cracking Pressure
$149.99
Quantity: 1
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25mm VI Style Vacuum Flange Insert Check Valve, 0.125 psi Cracking Pressure
$149.99
Quantity: 1
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The 25mm VI Style Vacuum Flange Insert Check Valve offers a compact, economical design fitting ISO/NW/KF/QF vacuum flanges. Serving as a centering ring and a check valve, it is ideal for low pressure relief applications under positive or vacuum conditions. With materials like 316 Stainless Steel and various seat options, this valve ensures reliability and versatility. Certified to meet European Conformity (CE) and ISO 9001 standards, it guarantees quality and performance for institutional needs.
Product Specifications
Note
USP Class VI O-Rings can be supplied with certification.Made in USA.
Specifications 316 Stainless Steel Style Numbers
VIHSS
Specifications Body Material
316 Stainless Steel = SS | 316L Stainless Steel = SS
Specifications Certifications
European Conformity (CE) Non-PED Statement | International Organization for Standardization (ISO 9001) Certified
Specifications Diameter Nominal Dn Size
25 mm
Specifications Non Shock Pressure Rating
Full Vacuum-Atmospheric at 100 ºF
Specifications Note For Material
Listed above are the most common material selections. Please contact the factory for additional options.
Specifications Note For Standard Cracking Pressure
0.125 psi springs are not recommended for installations with flow vertical down.
Specifications Outside O Ring Size
320
Specifications Seat And Outer Seals Material
Aflas® = AS | Buna-N = BN | Ethylene Propylene Diene Monomer (EPDM) = EP | Fluoro-Elastomer (FKM) = VT | Neoprene = NE | Perfluoroelastomer = KZ | USP Class VI Aflas® = UA = UA | USP Class VI Ethylene Propylene Diene Monomer (EPDM) = UE | USP Class VI Fluoro-Elastomer (FKM) = UV | USP Class VI Silicone = US
Specifications Size Code
H
Specifications Special Options
T = FEP Encapsulated Spring (Contact the factory for more options)
Specifications Spring Material
17-7PH Stainless Steel = PH | 316 Stainless Steel = SS | Alloy B = HB | Alloy C-276 = HC | Inconel® X750 or Alloy X750 = IX | Monel® 400 = MO | Titanium = TI
Specifications Standard Cracking Pressure
0.125 psi
Specifications Valve Style
VI