25mm VI Style Vacuum Flange Insert Check Valve - 3.50 psi Crack Pressure
25mm VI Style Vacuum Flange Insert Check Valve - 3.50 psi Crack Pressure
SKU:VIS-728f20
Versatile 25mm VI Style Vacuum Check Valve with 3.50 psi Crack Pressure, ideal for low-pressure relief applications.
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$159.99
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$159.99
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25mm VI Style Vacuum Flange Insert Check Valve - 3.50 psi Crack Pressure
$159.99
Quantity: 1
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25mm VI Style Vacuum Flange Insert Check Valve - 3.50 psi Crack Pressure
$159.99
Quantity: 1
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The 25mm VI Style Vacuum Flange Insert Check Valve offers a compact and economical design fitting ISO/NW/KF/QF vacuum flanges. Made of 316 Stainless Steel, it serves as a centering ring and a check valve with a 3.50 psi standard cracking pressure. With various seat material options and non-shock full vacuum-atmospheric pressure rating, this valve is versatile and reliable, suitable for low-pressure relief applications under positive or vacuum conditions.
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 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
3.50 psi
Specifications Valve Style
VI