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Tri-Clamp Check Valves

  • Prevent process backflow
  • 316L Stainless Steel Alloy
  • 32Ra Finish (Roughness Average)
  • Suitable for low and medium viscosity fluids
  • Maximum operating temperature: 200°F
  • Maximum operating pressure: 145 PSI
  • View Sizes & Dimensions
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Description

Mitigate product media back flow with stainless steel sanitary tri-clamp check valves

Available in 316L Stainless steel alloy. Product is 3A certified for use in all sanitary conditions including food, beverage and pharmaceutical industries.
  • Product ships factory direct
  • Includes factory 90-Day Limited Warranty
We recommend clamp gaskets and our single-pin heavy duty clamp in order to safely connect this product to the rest of your system.

Clamp Check Valve Sizes & Dimensions

Tri-Clamp Check Valve Compact

Tri-Clamp Check Valve Exploded View

Size (Tube OD)Part NumberDimensionsCracking Pressure (PSI)Flow Coefficient (CV)Line Drawing
A
1/2"45MP-.50-CD-3162.700”2.75
3/4"45MP-.75-CD-3162.700”2.74Request Drawing
1   "45MP-1-CD-3163.290"1.620Request Drawing
1-1/2"45MP-1.5-CD-3163.360"1.620
2   "45MP-2-CD-3163.360"1.440
2-1/2"45MP-2.5-CD-3163.360"0.960
3   "45MP-3-CD-3163.360"0.5100Request Drawing
4   "45MP-4-CD-3164.030"0.5210

Watch How to Measure Tri-Clamp Fittings

Tri-Clamp Fittings and Gasket Sizing Guide

Sanitary Fitting Dimensions
Sanitary SizeOD of Flange EndID of TubeOD of Tube
1/2″0.9920.3700.500
3/4″0.9920.6200.750
1″1.9840.8701.000
1 1/2″1.9841.3701.500
2″2.5161.8702.000
2 1/2″3.0472.3702.500
3″3.5792.8703.000
4″4.6823.8344.000
6″6.5625.7826.000
8″8.6027.7828.000
10″10.5709.78210.000
12″12.57011.76012.000

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Questions & Answers 7

Questions and answers of the customers

  1. Q What materials are the internals for this Tri-Clamp Check Valve (stopper, o-ring, spring, spider disk)?
    A The O-Ring gasket is made of viton. All other components are 316 Stainless Steel.
  2. Q We need to autoclave this which is 250F, spec says max temp is 200F - can this be made autoclavable?
    A

    The valve you are looking for would most likely need to be designed for autoclave.  The valves we offer are not designed in such a manner.  I'm sorry that we cannot be of more assistance for this one.

  3. Q Can we get a different o-ring than viton? We need compatibility for hydrochloric acid and sodium hydroxide.
    A We do offer alternative o-rings for the Tri-Clamp Check Valve. Please call us for more information.
  4. Q Are these check valves suitable for both vertical and horizontal installations?
    A Yes, these tri-clamp check valves can be used in both vertical and horizontal installations. Please verify cracking pressure along with liquid weight which will impact the opening of check valve.
  5. Q What is the largest OD of the valve with the clamp used in the center?
    A I'm not sure if I understand your question correctly, but the largest outside diameter tri clamp check valve that we offer is 6". Please call or email for additional information.
  6. Q What material is the green O-ring gasket in the check valve?
    A The O-Ring gasket in this clamp check valve is made up of Viton. Viton is a brand of synthetic rubber and fluoropolymer elastomer commonly used in O-rings, chemical-resistant gloves, and other molded or extruded goods. Viton fluoroelastomers are categorized under the ASTM D1418 and ISO 1629 designation of FKM.
  7. Q What is the overall length of this for 2"?
    A The 2" clamp check valve measures in at 4.583" from head to toe. For other sizes and dimensions please consult our sizing chart found on the product page.

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