Tube Slip-On Flange

Tube Slip-On Flange – Stainless Steel – B38SL

Price range: $35.40 through $454.65

  • Sanitary Stainless Tube Slip-On Flange
  • Available in 304 & 316L Stainless Steel
  • Sanitary Grade (Minimum polish 32 RA)
  • Ideal for Food & Beverage and Pharmaceutical Markets
  • Stamped with Heat Lot Numbers
Product Specifications
SKU: B38SL Categories: ,
Tube Slip‑On Flange delivers reliable performance in sanitary piping systems for the food & beverage, pharmaceutical, and biotech industries. This stainless steel slip-on flange fits over tube or stub end connections and provides a secure, sanitary bolted joint with a flat face designed for easy gasket sealing.  Sanitary grade finish: 32 RA minimum for smooth, hygienic surfaces.
  • Available materials: 304 & 316L stainless steel for corrosion resistance.
  • Traceability: Each part is heat lot stamped for quality assurance.
  • Applications: Food processing, beverage lines, pharmaceutical production, CIP systems.

Key Features & Benefits

  • Ease of Installation: Slides onto tube with minimal prep, speeding up fit-up and alignment.
  • Cost-Effective Solution: Lower manufacturing and installation costs compared to complex flange types.
  • Versatility: Works with a wide range of tube sizes and sanitary welding configurations.
  • Durable & Reliable: Ideal for lower- to medium-pressure sanitary pipelines.
Tip: Pair with compatible sanitary stub ends (e.g., Type A Stub End) for full system integrity and simplified welding installation.

Technical Specifications

Feature Details
Available Grades 304 & 316L SS
Surface Finish 32 RA minimum
Sanitary Standard FDA-suitable for hygienic use
Bolt Pattern Standard industry pattern compatible with sanitary fittings
38SL-Drawing.jpg
Size (Tube OD) Part Number Dimensions Holes
304 316L A B C D Diameter Count
1″ 38SL4-100 38SL6-100 4.250 0.500 1.031 3.125 5/8″ 4
1-1/2″ 38SL4-150 38SL6-150 5.000 0.500 1.531 3.875 5/8″ 4
2″ 38SL4-200 38SL6-200 6.000 0.500 2.031 4.750 3/4″ 4
2-1/2″ 38SL4-250 38SL6-250 7.000 0.500 2.531 5.500 3/4″ 4
3″ 38SL4-300 38SL6-300 7.500 0.500 3.031 6.000 3/4″ 4
4″ 38SL4-400 38SL6-400 9.000 0.500 4.031 7.500 3/4″ 8
5″ 38SL4-500 38SL6-500 10.000 0.500 5.031 8.500 3/4″ 8
6″ 38SL4-600 38SL6-600 11.000 0.500 6.031 9.500 7/8″ 8
8″ 38SL4-800 38SL6-800 13.500 0.500 8.031 11.750 7/8″ 8
10″ 38SL4-1000 38SL6-1000 16.000 0.500 10.031 14.250 1 “ 12
12″ 38SL4-1200 38SL6-1200 19.000 0.500 12.063 17.000 1 “ 12
Grade

,

Size (Tube OD)

1/2", 3/4", 1", 1-1/2", 2", 2-1/2", 3", 4", 6", 8", 10", 12"
DuvaSanitary.com Steel & O’Brien Wayland VNE Sanitary Solutions
B38SL 38SL 38SL E38SL SS38SL
316L 316L 316L 316L 316L
1/2″ B38SL-R050 38SL-.50-316 W638SL-.50 SS38SL-0.50-316L
3/4″ B38SL-R075 38SL-.75-316 W638SL-.75 SS38SL-.75-316L
1″ B38SL-R100 38SL-1-316 W638SL-1 SS38SL-1-316L
1-1/2″ B38SL-R150 38SL-1.5-316 W638SL-15 SS38SL-1.5-316L
2″ B38SL-R200 38SL-2-316 W638SL-2 SS38SL-2-316L
2-1/2″ B38SL-R250 38SL-2.5-316 W638SL-25 SS38SL-2.5-316L
3″ B38SL-R300 38SL-3-316 W638SL-3 SS38SL-3-316L
4″ B38SL-R400 38SL-4-316 W638SL-4 SS38SL-4-316L
6″ B38SL-R600 38SL-6-316 W638SL-6 SS38SL-6-316L
8″ B38SL-R800 38SL-8-316 W638SL-8 SS38SL-8-316L

 

DuvaSanitary.com Steel & O’Brien Wayland VNE Sanitary Solutions
B38SL 38SL 38SL E38SL SS38SL
304 304 304 304 304
1/2″ B38SL-G050 38SL-.50-316 W438SL-.50 SS38SL-0.50-304
3/4″ B38SL-G075 38SL-.75-316 W438SL-.75 SS38SL-.75-304
1″ B38SL-G100 38SL-1-304 W438SL-1 E38SL1.0 SS38SL-1-304
1-1/2″ B38SL-G150 38SL-1.5-304 W438SL-15 E38SL1.5 SS38SL-1.5-304
2″ B38SL-G200 38SL-2-304 W438SL-2 E38SL2.0 SS38SL-2-304
2-1/2″ B38SL-G250 38SL-2.5-304 W438SL-25 E38SL2.5 SS38SL-2.5-304
3″ B38SL-G300 38SL-3-304 W438SL-3 E38SL3.0 SS38SL-3-304
4″ B38SL-G400 38SL-4-304 W438SL-4 E38SL4.0 SS38SL-4-304
6″ B38SL-G600 38SL-6-304 W438SL-6 SS38SL-6-304
8″ B38SL-G800 38SL-8-304 W438SL-8 SS38SL-8-304
10″ B38SL-G1000 38SL-10-304 W438SL-10
12″ B38SL-G1200 38SL-12-304 W438SL-12

What is a tube slip-on flange used for?

A tube slip-on flange is used to connect sanitary tubing sections in food, beverage, and pharmaceutical piping systems. It slides onto the tube and is bolted into place for secure, sanitary connections. 

Why choose 316L stainless steel over 304?

316L offers improved corrosion resistance in high-purity and harsh environments, making it ideal for pharmaceutical and high-sanitation food processing applications. 

How is a slip-on flange installed?

Slip-on flanges are aligned over tube OD, fillet welded on both inner and outer diameters, and fastened into the system. This design simplifies alignment and reduces installation time.

Can I use this flange in high-pressure applications?

Slip-on flanges are typically suited for low- to medium-pressure sanitary systems; consult project specs for pressure ratings.

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