plumbing end cap
plumbing end cap
plumbing end cap
plumbing end cap
plumbing end cap

Stainless Steel Plumbing Tap Metal End Cap

JN-FT-23 9001-4
Size: DN15 – DN150 (1″– 6″, O.D. Ф12.7 – Ф152.4)
Grade: Manufactured from high-quality stainless steel SUS304 or SUS316L, offering excellent corrosion resistance and durability
Standard: Conforms to ISO, DIN, IDF, SMS, 3A, and other internationally recognized sanitary standards
Working Pressure: 1.0 MPa (PN10 bar)
Test Pressure:
Shell hydrostatic test: 2.4 MPa
Seal integrity test: 1.8 MPa
Temperature Range: -10℃ to +150℃ (steam sterilization up to 150℃ for max 20 min)
PTFE Seals: Standard PTFE gaskets provide excellent corrosion resistance, low friction coefficient, and broad temperature adaptability for long-term reliable sealing
Viton Seals: Optional Viton (FPM) O-rings are available for applications involving high temperatures, oils, or aggressive chemical media
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Stainless Steel Plumbing Tap Metal End Cap
 
Stainless Steel plumbing end cap for high-cleanliness environments such as pharmaceutical aseptic piping, dairy clean delivery, bioengineering, and beverage brewing. They are specifically designed for the permanent aseptic sealing, media-free isolation, and long-term stable pressure requirements of clean pipelines. The product is entirely cold-forged from AISI 304/316Lfood-grade/pharmaceutical-grade stainless steel, with all surfaces undergoing aseptic mirror polishing and electrolytic double polishing. It features a standard internationally recognized aseptic welded butt joint bevel, and the internal cavity adopts a large-arc, dead-zone-free design, eliminating weld seams, sanitary dead corners, media retention, and contamination-free gaps. The design strictly adheres to GMP, FDA, and 3-A international hygiene standards, perfectly adapting to CIP (Clean-in-Place) and SIP (Sterilize-in-Place) processes. It is a core component for achieving permanent end-sealing, preventing media contamination, and ensuring compliant production in clean aseptic piping systems.
 
Compared to conventional end caps of the same category, Stainless Steel tap end cap offer significant advantages in aseptic reliability, cleanliness without residue, structural stability, and adaptability to various operating conditions. Conventional stamped end caps suffer from stamping wrinkles, uneven wall thickness, and polishing blind spots, making them prone to media residue and microbial growth, and CIP cleaning cannot fully cover them. Conventional welded end caps have butt welds, which are prone to intergranular corrosion and leakage risks, and dirt can easily accumulate at the welds over long-term use. Conventional flat end caps have steps and sharp corners in their inner cavity, which can easily lead to liquid stagnation and cannot meet the long-term stable requirements of high-level aseptic production. This product adopts an integrated cold forging and full-area aseptic polishing design, with no splicing, no welds, and no stamping defects, completely eliminating cleaning blind spots and dirt-accumulating gaps. The large arc-shaped, dead-zone-free inner cavity, combined with a pre-processed aseptic welded bevel, forms a seamless integrated structure after being fused with the pipeline, which can withstand repeated CIP/SIP rinsing for a long time, perfectly adapting to the zero-pollution, high-compliance, and long-life sealing requirements of high-cleanliness aseptic pipelines.
 

Accessories

 Component & Material Table
  • Full-area double polishing with zero blind spots:Mirror finish and electrolytic double polishing on both inner and outer surfaces; large-arc inner cavity with no blind spots; 100% CIP/SIP cleaning coverage. Compared to conventional semi-polished sealing, cleaning efficiency is improved by 85%, and media residue is close to zero.
  • One-piece cold forging with zero weld seams:Homogeneous base material from the same batch is cold forged into a single piece, without splicing or stamping weld seams. Compared to conventional welding/stamping sealing, the risk of dirt accumulation and leakage is reduced to zero, completely eliminating a breeding ground for microorganisms.
  • Pre-fabricated bevel with zero defects:Standardized aseptic pre-fabricated bevels precisely match mainstream clean pipeline bevels, achieving a 100% first-pass welding success rate. Compared to on-site bevel processing sealing, welding efficiency is increased by 4 times, and the welding defect rate is reduced to zero.
  •  Closed-Loop Passivation with Zero Performance Decay: Fully closed-loop aseptic passivation treatment + ultra-precision polishing allows for ≥2000 CIP/SIP cycles without performance degradation. Compared to conventional non-passivated sealing, service life is increased by 3.5 times, significantly reducing maintenance costs.
  • Full-Chain Traceability with Zero Deviation: From raw material batch number, forging parameters, polishing precision to passivation film thickness, the entire process is digitally traceable. All parameters comply with GMP, FDA, and 3-A international hygiene standards, achieving a 100% compliance audit pass rate, significantly reducing enterprise compliance management costs.
Product Parameter Details
  • Structure:Sanitary-grade one-piece cold-forged body, fully enclosed structure with no dead zones, large arc transition inner cavity, pre-machined aseptic welding bevel, customizable pre-reserved purge/inspection interface
  • Pressure and temperature resistance: Withstands SIP sterilization high temperature ≤140℃, long-term working temperature resistance -20℃~120℃, rated working pressure ≤1.6MPa, suitable for clean pipelines in conventional and high-pressure conditions
  • Core functions: Permanent welding sealing at the end of clean and sterile pipelines, zero leakage aseptic isolation, no media retention, supports CIP/SIP online cleaning and sterilization, suitable for high-cleanliness aseptic production scenarios
  • Applicable levels: Food hygiene grade / pharmaceutical aseptic grade, fully meets GMP/FDA/3-A hygiene standards, suitable for pharmaceutical, dairy, beverage, bioengineering, cosmetics and other industries
  • Hygiene and safety level: Internal and external surface roughness Ra≤0.4μm, welded bonding surface Ra≤0.2μm, no steps or sharp corners in the inner cavity, no dead corners or media retention, easy to clean and sterilize.
  • Installation compatibility: Suitable for clean horizontal/vertical pipeline butt welding, no installation angle restrictions, welding bevel standards, diameter, material, and inner cavity shape can be flexibly customized.
  • Main material: AISI 304/AISI 316L food-grade/pharmaceutical-grade stainless steel, 316L is the preferred material for high-cleanliness and highly corrosive environments.
  • Surface protection: Full surface aseptic passivation treatment to form a dense and uniform protective film, meeting food and drug contact safety standards, acid and alkali resistant and corrosion resistant.

Digital advantages

  •  Complete export compliance certifications, conforming to ISO6552-4 and EN 60534-8-4 standards, and CMA/CNAS test reportsavailable.
  •  Body made of 316L stainless steel, showing no corrosion after720 hours of salt spray testing, meeting FDA and GMP hygienestandards.
  •  Steam leakage rate <0.1%, response time <5s, steam utilizationrate increased to over 92%.
  •  Quick-release clamp connection, disassembly and assemblycompleted in 3-5 minutes, improving maintenance efficiency by80%+
  •  Cycle life >100,000 cycles, valve seat wear <0.01mm, suitablefor export requirements of multiple specifications from DN15 toDN32
Stainless Steel Plumbing Tap Metal End Cap
 
Feature (F)、Advantage (A)、Benefit (B)
 
1. Raw Materials
F: The head body is cold-forged from a single piece of homogeneous base material of AISI 316L pharmaceutical-grade stainless steel, without stamping, splicing, or welding seams. The entire process, including material batch numbers and forging parameters, is digitally traceable, ensuring no harmful substances leach out.
A: Uniform wall thickness without stress cracks, excellent resistance to acids and alkalis and intergranular corrosion, capable of withstanding long-term CIP/SIP high-temperature acid and alkali alternating erosion, and exhibiting outstanding resistance to high-pressure impact and deformation.
B: Eliminates the risk of contamination and leakage from splicing welds and stamping folds at the source, ensuring product sterility and structural stability, fully complying with global food and drug hygiene compliance requirements, and significantly reducing the failure rate in later maintenance.
2. Processing Technology
The entire surface of the seal, both inside and out, undergoes dual treatment of mirror polishing and electrolytic polishing. The inner cavity, welding bevel, and sealing end are fully polished, with no blind spots or missed areas. Surface roughness is precisely controlled to Ra≤0.4μm.
A: Smooth surface, no adsorption or adhesion, no media residue, CIP/SIP cleaning achieves full-surface rinsing without dead corners, less prone to microbial growth, and superior weld bevel fusion.
B: Completely eliminates media retention and microbial growth problems caused by blind spots in surface polishing, ensuring the sterility of pipeline ends, significantly reducing the difficulty of cleaning validation, and easily passing various hygiene audits.
3. Structural Design
F: The weld end is pre-machined with standardized aseptic bevel precision, and the bevel angle and fusion surface roughness meet 3-A/DIN aseptic welding standards. The bevel surface is simultaneously polished and passivated, eliminating the need for on-site secondary processing.
A: Achieves 100% fusion when welding to pipelines, realizing seamless homogeneous fusion, without weld misalignment, porosity, or slag inclusion defects. No secondary grinding is required after welding, avoiding on-site processing impurities from contaminating the sterile environment of the pipeline.
B: Significantly reduces on-site welding difficulty, improves welding efficiency and pass rate, eliminates the risk of media residue and leakage caused by weld gaps, and ensures the aseptic sealing performance of the pipeline after welding.
4. Feature Advantages
F: The inner cavity adopts a large arc ellipsoidal transition design, seamlessly connecting with the pipeline inner diameter without steps, sharp corners, or blind cavities. The curvature of the sealed end is adapted to the pipeline fluid direction, eliminating any space for liquid accumulation.
A: The cleaning medium can achieve full-cavity flushing without dead angles, ensuring no media retention or liquid accumulation. CIP/SIP cleaning coverage is 100%, completely eliminating the risk of batch cross-contamination.
B: Solves the industry pain point of liquid accumulation and retention in the inner cavity of conventional flat-mouth seals, ensuring the thoroughness of cleaning and sterilization of the entire pipeline system, and significantly reducing the quality control risks of aseptic production.
5. Fully Closed-Loop Aseptic Passivation Protection
F: After polishing, the entire product undergoes a fully closed-loop aseptic passivation treatment to form a uniform and dense chromium passivation film. The film thickness is precisely controlled between 0.8-1.2μm, with no leaks or uneven thickness. The entire process is completed in a clean environment.
A: The passivation film has strong adhesion and excellent resistance to corrosion, oxidation, and pitting. It can withstand repeated CIP/SIP rinsing for a long time without discoloration, oxidation, or corrosion.
B: Significantly extends product lifespan, reduces spare parts replacement frequency and unplanned downtime losses, ensures compliance for long-term product use, and reduces long-term maintenance costs for enterprises.
 
 
Stainless Steel Plumbing Tap Metal End Cap
 
Nominal Diameter：DN10~DN150 (3/8"~6")
Maximum Working Pressure：16bar (1.6MPa), hydrostatic test pressure 2.4MPa
Body Material：AISI 304 (1.4301), AISI 316L (1.4404) Food/Pharmaceutical Grade Stainless Steel
Connection Type：Butt Weld (standard, comply with DIN/3-A/ISO sanitary standards), Tri-Clamp (customizable)
Working Temperature Range：Long-term working: -20℃~120℃; Short-term SIP tolerance: ≤140℃
Surface Treatment：Mirror polishing + electrolytic polishing + passivation treatment, surface roughness Ra≤0.4μm as standard
Inner Cavity Type：Elliptical arc transition (standard), hemispherical/flat end (customizable)
 
 
 
 
 

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