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Sanitary fittings and tubing from six brand partners — Dixon, Wayland, Steel & O'Brien, VNE, RathGibson, and United. Tri-Clamp, weld, bevel seat, A270 tubing, and ASME-BPE biopharm lines.

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Sanitary & Hygienic Fittings & Tubing — Triplex Sales
Sanitary & Hygienic Fittings & Tubing

Fittings built for clean processes.

Triplex Sales stocks the full range of stainless sanitary fittings and tubing used across food & beverage, dairy, brewing, pharma, and industrial processing — from everyday Tri-Clamp ferrules to ASME-BPE biopharm components and super-austenitic corrosion-resistant alloys.

We carry six brand partners: Dixon Sanitary, Wayland Industries, Steel & O'Brien, the VNE family (including MaxPure and MaxCore), RathGibson, and United Industries. That coverage means the right fitting or tubing for the application — not just what's on the shelf.

Brand Partners Six names. One stockroom.
Dixon Sanitary
Dixon Sanitary
Broadest hygienic catalog
Wayland Industries
Wayland
Fast ship · 3 DCs · MTR
Steel & O'Brien
Steel & O'Brien
Fittings + valves + custom
VNE, MaxPure, MaxCore
VNE + MaxPure · MaxCore
U.S. manufacturer · BPE + exotic alloys
RathGibson
RathGibson
A270 S2 · Micro-Weld™
United Industries
United Industries
Specialty sanitary tubing
01 — Brands

Six brand partners, one supplier.

Each brand solves a different slice of the sanitary market. Dixon, Wayland, and Steel & O'Brien cover the broadest fitting range — with S&O'B adding in-house valves (TOP-FLO®), pumps, and ISO-certified custom fabrication. The VNE family adds locally stocked dairy, food, and biopharm fittings — with MaxPure at the top of the biopharm spec ladder and MaxCore, an exotic-alloy line (6Mo / N08367, 904L, Alloy 22) that no one else offers. RathGibson and United Industries round out the program with sanitary tubing that meets or exceeds ASTM A270 S2 and 3-A.

Dixon

Broadest hygienic catalog

The depth-of-line standard. Dixon's 2024 hygienic catalog spans clamps, spools, weld, unpolished weld, bevel seat, I-/Q-Line, John Perry, all four Euro families, BPE biopharm, vacuum fittings, breakaway couplings, and spray balls. If a process calls for a sanitary component, Dixon almost certainly makes it.

Sizes
1/2" - 12" O.D.
Alloys
304, 316L, specialty
Finish
3-A ID & OD
Best for
Mixed-industry plants
Download Dixon Catalog (PDF)→

Wayland

Fast way · Right way · Easy way

Family-run master distributor with three DCs (Los Angeles, Milwaukee, Atlanta) and same-day shipping on 95%+ of SKUs. Every Wayland part is laser-marked with heat number, part number, and mill order number for full EN 10204-3.1 traceability. 3-A certified, ISO 9001 suppliers, FDA-approved gaskets.

Sizes
1/2" - 12" O.D.
Alloys
T304, T316L
Finish
3-A, 20/32 Ra
Best for
Distributors, fast turns
Download Wayland Catalog (PDF)→

Steel & O'Brien — with TOP-FLO® valves & custom fab

U.S. manufacturer · Arcade, NY · est. 1990

Privately-held New York manufacturer of stainless-steel process equipment — sanitary fittings, BPE fittings, tubing, and valves all under one roof. A 205,000 sq ft Arcade plant plus the new 20,000 sq ft Fresno Fulfillment Center (one-day shipping across most of California) backs $25M+ in finished-goods inventory and same-day turnaround on standard catalog SKUs. Two specialty capabilities sit on top of the core fitting line:

  • TOP-FLO® — valves & actuators Complete flow-control line: butterfly, check, ball (Series 77, manual, actuated, control), diaphragm (BIOPRO® ASME-BPE), plug, sample, compression, pressure/relief, sight glasses, and spray balls. One-stop for fittings + valves.
  • Custom fabrication — ISO-certified In-house machining, welding, and polishing for non-catalog geometries, one-offs, and spool assemblies. If the catalog doesn't have it, their shop can build it.
S&O'B Sanitary Catalog (PDF) → Clamp Pressure/Temp Ratings (PDF) →
Sizes
1/2" - 12" + Pipe-size / Schedule
Alloys
304, 316L
Product lines
Tri-Clamp · Weld · Bevel seat · John Perry · I-/Q-Line · APC/APV · DIN
Beyond fittings
Valves · Pumps (TF-C) · Camlock · Strainers · Custom fab
Standards
3-A · ASME-BPE · ISO 9001
Best for
One-source plants: fittings + valves + custom work

VNE — with MaxPure & MaxCore

U.S. manufacturer · Janesville, WI

VNE is the U.S. arm of the NEUMO Ehrenberg Group — a privately-held European stainless-steel manufacturer with over 75 years of process-fitting expertise. The core VNE catalog covers clamp, weld, bevel seat, John Perry, E-Line, unpolished tube-OD, and European DIN — built for dairy, food, beverage, pharma, brewery, cosmetics, chemical, and water-treatment plants. Two specialty lines sit on top of the VNE platform:

  • MaxPure — ASME-BPE biopharm The first fitting brand worldwide to be certified ASME-BPE. 316L with controlled sulfur (0.005 - 0.017%) for repeatable orbital welding. MP <20 μin Ra / EP <15 μin Ra, passivated per A967, 100% visually inspected, USP Class VI gaskets.
  • MaxCore — super-austenitic & nickel-base alloys ASME-BPE fittings in 6Mo (UNS N08367), 904L, and Alloy 22 (Hastelloy C22® equivalent). PREN values up to 45+ vs. 316L's 27. For chloride, low-pH, and aggressive CIP chemistries where 316L falls short.
VNE Catalog (PDF) → MaxPure Catalog (PDF) → MaxCore Catalog (PDF) →
Sizes
1/4" - 12" O.D.
Alloys
T304, T316L, 316L low-S, 6Mo, 904L, Alloy 22
Finishes
No. 1 · No. 3 · No. 5 · No. 7 · MP · EP
Standards
3-A · ASME-BPE · ASTM A967
Best for
Dairy through biopharm and high-corrosion

RathGibson

Sanitary tubing · Micro-Weld™ process

A270 S2 sanitary stainless tubing from RathGibson's Janesville, WI and Clarksville, AR mills. Manufactured to proprietary melt criteria and formed by the Micro-Weld™ process for weld-seam integrity and industry-leading surface finishes — 20 μin Ra ID / 30 μin Ra OD. Hydrogen bright annealed, Eddy Current tested, and printed with heat number, date, and spec for full traceability.

Sizes
1/2" - 8" O.D.
Alloys
304L, 316L
Finish
20/30 Ra max
Best for
A270 S2 premium sanitary runs
Download RathGibson Catalog (PDF)→

United Industries

80+ years · Specialty sanitary tubing

Eight decades of stainless-tubing manufacturing. United's Selmer, TN plant runs six laser mills with inline induction annealing and H-BA capability, producing A270, SA249 boiler, A268 ferritic, A269 general, and A554 ornamental tubing. ISO/TS 16949:2009 RQMS with "to-the-minute" production traceability across the full 304L / 316L sanitary range.

Sizes
1/2" - 8" (.019-.145 wall)
Alloys
304L, 316L
Standards
3-A · BPE · ASME · ASTM
Best for
Broad mill capability, specialty tubing
Download United Industries Catalog (PDF)→
02 — Fitting Types

The core library of sanitary fittings.

Most hygienic process systems are assembled from a small vocabulary of standardized parts. Here's the shorthand — and which of our brands carry each.

Sanitary Tri-Clamp heavy-duty clamp

Clamps

Single-pin, double-pin, three-segment, bolted, toggle, T-bolt, and dairy clamps — the mechanical hardware that holds Tri-Clamp unions together.

Carried by: Dixon · Wayland · Steel & O'Brien · VNE
Sanitary weld ferrule

Ferrules

Short-weld, long-weld, reducing, roll-on, and schedule 5/10 ferrules — the weld-end half of a clamp connection that terminates tube or pipe.

Carried by: All fitting brands
Sanitary 90 degree clamp-end elbow

Elbows

45°, 90°, long-sweep, U-bends, and reducing elbows in clamp × clamp, weld × weld, or mixed-end configurations.

Carried by: All fitting brands
Sanitary weld-end tee fitting

Tees & Crosses

Equal and reducing tees, true-Y's, laterals, and 4-way crosses — for branch connections, sampling, and manifold construction.

Carried by: All fitting brands
Sanitary concentric clamp reducer

Reducers

Concentric and eccentric reducers for stepping line size up or down — weld-end or clamp-end, with full reducing-range coverage.

Carried by: All fitting brands
Sanitary solid clamp end cap

Caps & End Caps

Solid clamp caps, weld caps, dome caps, hex-nut caps, and ported/instrument caps for line termination and test points.

Carried by: All fitting brands
Sanitary threaded male adapter

Adapters

Male/female NPT, clamp-to-weld, clamp-to-bevel, I-Line-to-clamp, DIN-to-clamp, and every other transition between fitting families.

Carried by: All fitting brands
Sanitary Y-lateral with clamp ends

Spools & Laterals

Clamp × clamp spools, true Y's, 45° laterals, and 60° Y's — made-to-order lengths available through Dixon, Wayland, and Steel & O'Brien custom fabrication.

Carried by: Dixon · Wayland · Steel & O'Brien · VNE
Sanitary clamp gaskets in multiple elastomer materials

Gaskets

Buna-N, EPDM, silicone, Viton®, PTFE / Tef-Steel®, and FDA-certified compounds. Color-coded by material, sized per clamp, bevel-seat, John Perry, I-Line, and European standards.

Carried by: All fitting brands
Sanitary tube hanger with bolt

Hangers & Flanges

Hex hangers, block hangers, process hangers, and wall flanges for supporting tube and pipe runs — tube-OD and pipe-size ranges.

Carried by: Dixon · Wayland · Steel & O'Brien · VNE
Sanitary stainless steel tubing sizes stack

Tubing

ASTM A270 S2 polished ID/OD, A249/A269 unpolished, A554 ornamental, and A778 large-diameter. 3-A certified, 20/30 Ra, 20' lengths, full MTR support.

Carried by: RathGibson · United · Dixon · Wayland · Steel & O'Brien
03 — Connection Styles

Every connection standard used in hygienic processing.

The connection style determines how a fitting mates: which gasket it takes, what service pressure it holds, how cleanable it is, and whether it meets 3-A or ASME-BPE. We stock the full spectrum.

Style
What it is
Typical use
Stocked by
Tri-Clamp (Clamp)Most common · 3-A
Two grooved ferrules compressed against a gasket by a 360° clamp ring. Fast tear-down for CIP and changeovers. Service pressure 300-1500 PSI depending on clamp style and size.
Food & beverage, dairy, brewing, general sanitary — any line with frequent disassembly.
DixonWaylandVNEMaxPureMaxCore
Bevel SeatIDF / ISS · legacy dairy
Threaded-nut union with mating beveled male and female ferrules and a sanitary gasket. The pre-clamp industry standard; still dominant in older dairy plants.
Legacy dairy, some brewing, equipment retrofits where matching existing plant is required.
DixonWaylandVNE
I-Line / Q-LineCherry-Burrell
Interlocking ferrules with a positioning lug that prevents misassembly and ensures consistent gasket compression. Common in long-crimp sanitary installations.
Dairy, brewing, process plants built around Cherry-Burrell equipment.
DixonWaylandVNE
John PerryAcme-thread dairy
Acme-threaded union with a square-shoulder gasket recess. Higher pressure than bevel seat; found on older milk-processing and transfer systems.
Dairy, tanker / transport lines, equipment built pre-1990.
DixonWaylandVNE
Butt WeldPolished · unpolished
Fittings welded directly tube-to-tube with no mechanical seal. Maximum cleanability — no gasket traps — but requires breaking the weld for service. Polished to 20/32 Ra for hygienic runs.
Fixed process piping, CIP/SIP loops, biopharm, any line where teardown is rare.
DixonWaylandVNEMaxPureMaxCore
European: DIN · SMS · RJTMetric / British
European sanitary unions — DIN (German), SMS (Swedish), RJT (British dairy). Each has its own thread, seat geometry, and gasket profile. Critical for imported equipment.
European process equipment, overseas OEM integrations, multinational plants.
DixonWaylandVNE
ASME-BPEBiopharm · high-purity
Dimensional and surface-finish standard for bioprocess equipment. Tighter tolerances than 3-A, controlled sulfur for orbital welding, documented Ra, and full traceability per DT-3-1 / SF-2.4-1.
Pharmaceutical, biotech, personal care, cell & gene therapy — anywhere process validation is required.
DixonMaxPureMaxCore
Vacuum: KF / ISOLab & vacuum service
KF (small-bore quick-flange) and ISO (bolted flange) fittings for vacuum service, including rings, bellows, clamps, and weld fittings.
Vacuum pumping stations, lab process equipment, R&D and pilot lines.
Dixon
04 — Materials & Finishes

Spec the right alloy and surface for the service.

The difference between a five-year and a twenty-year service life is almost always in the alloy selection and surface preparation. Here's what drives the call.

Alloys we stock

  • T304 / 304L Workhorse sanitary stainless. 18Cr / 8Ni. Food contact, dairy, brewing, water — where chlorides are low and cost matters.
  • T316L Default for sanitary service. Adds 2-3% Mo for chloride resistance. Specified for most new builds and all BPE applications.
  • 316L low-S MaxPure biopharm. Controlled sulfur 0.005 - 0.017% for repeatable automatic orbital welding. ASME-BPE required.
  • 904L Super-austenitic. ~4.5% Mo, higher Ni. PREN ~36. Upgrade from 316L where chloride-induced pitting is a problem.
  • 6Mo (N08367) MaxCore 6Mo. PREN ~46. Seawater, high-chloride process, pharma chloride cleans, aggressive CIP chemistries.
  • Alloy 22 (N06022) Nickel-base (Hastelloy C22® eq). For the most aggressive chemistries — mixed acids, hot chlorides, low-pH reactive services.

Surface finishes

  • No. 1 / SF0 Unpolished. Mill finish. Non-product-contact or jacketed service.
  • No. 3 ID polish only. 150-grit interior; mill OD. Internal cleanability without the OD cost.
  • No. 4 / 32 Ra Standard sanitary. ~32 μin Ra. Default 3-A finish for food & beverage.
  • No. 7 / 20 Ra Polished ID & OD. ~20 μin Ra. Wayland / RathGibson A270 tubing standard; most new sanitary builds.
  • MP (SF1) ASME-BPE Mechanically Polished. ≤20 μin Ra. Standard BPE product-contact surface.
  • EP (SF4) Electropolished. ≤15 μin Ra. Passive, ultra-smooth, chromium-enriched layer. Biopharm gold standard.
  • Passivation ASTM A967 / ASME-BPE. Acid treatment that restores the passive chromium-oxide layer. Standard on MaxPure and MaxCore.
05 — By the Numbers

Coverage across every sanitary process.

Stock depth, brand reach, and the ability to ship the right part the same day — not next week. Here's what our fittings & tubing program looks like in numbers.

Brand Partners
6
Dixon, Wayland, Steel & O'Brien, VNE (with MaxPure + MaxCore), RathGibson, and United Industries — standard sanitary through biopharm and super-austenitic alloy service (via MaxCore).
Connection Styles
8+
Tri-Clamp, bevel seat, I-Line/Q-Line, John Perry, butt weld, DIN, SMS, RJT, ASME-BPE, KF/ISO vacuum.
Size Range
1/4-12"
From 1/4" biopharm instrument lines to 12" process headers. Reducing combinations across the range.
Certifications
3A · BPE
3-A sanitary, ASME-BPE, ISO 9001, ISO/TS 16949, FDA gaskets, USP Class VI, ASTM A967 passivation, EN 10204-3.1 MTRs.
06 — Industries Served

Where our fittings end up.

Any process that moves a liquid, slurry, or gas under cleanliness requirements is a candidate. Here's where we ship the most product.

Food Processing

Sauces, dressings, bakery, dairy ingredients, plant-based proteins, confections.

Beverage

Carbonated, non-carbonated, juice, RTD coffee, kombucha, plant-based milks.

Dairy

Fluid milk, cheese, cultured products, whey processing, ice cream — 3-A throughout.

Brewing · Wine · Spirits

Craft breweries, cideries, wineries, distilleries — tank-farm piping and transfer.

Pharmaceutical & Biotech

ASME-BPE process loops, clean utilities (WFI, clean steam), fill/finish, biologics.

Nutraceutical & Cosmetic

Supplements, personal care, hair & skin, color cosmetics — high-viscosity batching.

Chemical & Water

Specialty chemicals, water treatment, CIP chemistry distribution, high-chloride service.

Oil Extraction & Agri

Edible oils, cannabis / hemp extraction, agricultural processing, meat & poultry.

07 — Resource Library

Catalogs, spec sheets, and quick references.

Every brand catalog we carry, plus the short-form references engineers and plant managers most often ask for. PDFs open in a new tab.

PDF

Dixon Sanitary & Hygienic Fittings Catalog

Complete 2024 hygienic line — clamps, weld, BPE, vacuum, spray balls.

Dixon · 2024 · Full catalog →
PDF

Wayland Industries Catalog

Full Wayland fitting, clamp, and gasket catalog with 3 DC locations.

Wayland · 2025 · Full catalog →
PDF

Steel & O'Brien Sanitary Products Catalog

Complete S&O'B line — Tri-Clamp, weld, bevel seat, I-/Q-Line, DIN, APC/APV, tubing, TOP-FLO® valves, pumps, and camlock.

Steel & O'Brien · 2025 · Full catalog →
PDF

Clamp Pressure & Temperature Ratings

S&O'B stainless-steel sanitary clamp ratings for 13MHHM, 13MHP (high-pressure), and 13MHHS families at 70°F and 250°F.

Steel & O'Brien · Spec sheet →
PDF

VNE Fittings Catalog

Core VNE clamp, weld, bevel seat, John Perry, E-Line, and DIN families.

VNE · Full catalog →
PDF

MaxPure ASME-BPE Catalog

Biopharm fittings — MP/EP finish, orbital-weld ready, USP VI gaskets.

MaxPure (VNE) · BPE catalog →
PDF

MaxCore Alloy Fittings Catalog

6Mo, 904L, and Alloy 22 BPE fittings for chloride & low-pH service.

MaxCore (VNE) · Alloy catalog →
PDF

RathGibson A270 Sanitary Tubing

Micro-Weld™ 304L / 316L tubing, 20/30 Ra, 1/2"-8", full MTR packaging.

RathGibson · Tubing spec →
PDF

United Industries Sanitary Tubing

A270 sanitary tubing plus SA249 / A268 / A269 / A554 specialty grades, 1/2"-8", .019-.145 wall, ISO/TS registered.

United · Tubing spec →
ASK

Need a spec sheet we don't have?

Ask our sales engineers — we'll pull the right drawing, MTR, or sizing chart from the mill.

Talk to an engineer →
Next Step

Tell us the application — we'll spec the fitting.

Between Dixon, Wayland, the VNE family, RathGibson, and United Industries, the right fitting or tubing is almost always on a shelf somewhere. Send a bill of materials or a quick description of the service, and we'll come back with a quote, lead time, and any alloy / finish callouts you should think about.

Request a Quote Talk to a Sales Engineer

Need a pump, valve, hose or heat-exchange answer?

Tell us what you are trying to move, control, heat, cool or replace. We will help narrow the path.

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1143-45 E. Tower Road
Schaumburg, IL 60173

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