Welded Fitting
Welded Fitting
Welded Fitting
Welded Fitting
Welded Fitting

Stainless steel sanitary grade concentric reducing welded pipe fittings

JN-FT-23 1022
Size: Customizable from 1/2" to 6" (DN15 to DN150)
Grade: SS304 / SS316LStandard: DIN 11850, SMS, 3A, ISO
Working pressure: PN10 / PN16 / 150PSI
Test pressure: 1.5 times the working pressure
Temperature Range: -30°C to 200°C
PTFE seals: Compatible, wide temperature resistance, corrosion-proof
Viton seals: Compatible, high temperature resistance, long service life
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Stainless steel sanitary grade concentric reducing welded pipe fittings
 
Stainless steel sanitary grade concentric reducing welded pipe fittingsis a seamless and clean pipe fitting Stainless Fitting made of 304/316L stainless steel  Sanitary Fitting Welded Fitting with a mirror-polished surface free of dead corners. It is mainly used in hygienic fluid pipelines for food, pharmacy, dairy and beverage industries. Installed at pipe diameter transition joints, it realizes stable diameter conversion, steady flow rate, and no turbulence or residue to ensure clean conveying. It is divided into concentric and eccentric typeswith welded connection, complying with 3A, DIN and SMS sanitary standards.
 
Stainless steel sanitary grade concentric reducing welded pipe fittings differs from ordinary fittings with hygienic polishing, zero dead space, and food‑safe materials. It ensures no residue and easy cleaning for food, beverage and pharmaceutical use. Our products usehigh‑grade 304/316L stainless steel with precision welding and strict quality control, offering smoother inner surfaces, better corrosion resistance and longer service life than competitors, fully complying with 3A, DIN and SMS standards.
 

Accessories

 Component & Material Table
  • Pipe Body: 304/316L Stainless Steel (sanitary-grade seamless forging)
  • Weld End: 304/316L Stainless Steel (precision forming, full penetration)
  • Surface Treatment: Mirror polishing & passivation (hygienic anti-corrosion finish)
  • Connection Structure: Welded end (butt-weld fixed for hygienic pipeline)
  • Main Body: 304/316L Stainless Steel (high density, no porosity)
Product Parameter Details
  • Material:Main body 304/316L stainless steel; food-grade hygienic standard
  • Structure Form: Standard: concentric welded reducer; Optional: eccentric welded reducer
  • Pressure Rating: PN10/PN16/150PSI (working pressure); Test pressure: 1.5× working pressure
  • Function:Pipeline diameter transition, steady flow transmission, eliminate turbulence and residual dead space
  • Grade Classification: Hygiene grade: 3A/DIN 11850/SMS; Industry grade: food & pharmaceutical sanitary grade
  • Specification Match: Standards: DIN, SMS, 3A, ISO; Size range: 1/2"–6"(DN15–DN150)
  • Certification Grade: Hygiene certification: 3A, FDA; Safety certification: CE, ISO 9001
  • Installation Direction: Horizontal/vertical installation, concentric center alignment for smooth fluid flow
  • Customization Service: Custom size, special polishing grade, concentric/eccentric switch, sample support for test
  • Seal Matching: Compatible with PTFE seals, Viton seals, EPDM seals for hygienic application
Stainless steel sanitary grade concentric reducing welded pipe fittings
 
Feature (F)、Advantage (A)、Benefit (B)
  1. Raw Material:
  • F: 100% virgin 304/316L stainless steel for main body; food-grade hygienic raw material
  • A:Strong corrosion resistance, no precipitation, stable material performance
  • B: Safe for food, pharmaceutical, beverage and dairy applications; eliminates media pollution risks
  1. Processing Technology:
  • F: Inner cavity mirror polishing (Ra≤0.8μm); one-piece stamping forming; no welding dead corners
  • A: Smooth inner wall, no medium residue, easy cleaning and sterilization, high dimensional accuracy
  • B: Meets CIP/SIP hygienic requirements; reduces blockage; lowers cleaning and maintenance costs
  1. Structure Feature:
  • F: Concentric reducing structure; butt-welded connection; concentric center alignment design
  • A:Stable flow transition, no turbulence, even stress, tight fitting with pipeline
  • B:Ensures stable fluid conveying; adapts to various pipeline layouts; improves overall system stability
  1. Core Accessory Feature:
  • F:Horizontal/vertical installation compatible; full welded fixed connection; standard hygienic size matching
  • A:Easy installation, strong connection strength, wide working condition adaptability
  • B:Shortens installation period; reduces failure rate; suitable for long-term continuous operation
  1. Seal Ring Feature:
  • F: Matched with PTFE seals and Viton seals; wide temperature and pressure adaptation
  • A:Excellent sealing compatibility, wear resistance, high and low temperature resistance
  • B: Prevents leakage under harsh working conditions; extends service life; meets global hygienic certification standards
 
Stainless steel sanitary grade concentric reducing welded pipe fittings
 
Interface Mode：Butt-welded connection (DIN/SMS/3A/ISO standard); customizable concentric/eccentric structure
Production & Processing Method：Full CNC precision forming; one-piece forging shaping; no welding dead corners or residual gaps
Surface Treatment：Inner cavity mirror polishing (Ra ≤ 0.8μm); outer surface electrolytic polishing/passivation; sanitary-grade anti-corrosion treatment
Raw Material Processing Method：Main body: 304/316L stainless steel forging (high structural density, no porosity); integral stamping for stable dimension
Operation Mode：Fixed welded installation; horizontal/vertical mounting compatible; concentric alignment for stable fluid transmission
Seal Ring Material Options：Food-grade PTFE, EPDM, Viton (FKM); FDA/3A certified for hygienic pipeline matching
Sealing Method：Full penetration welded sealing; gapless pipeline matching; tight connection for zero leakage and no medium retention
 
 
 
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