304L HEAVY DUTY / DUMMY NUT WITH CHAIN ELECTRO POLISHED

The 304 Stainless Steel Dummy Nut with Chain is a sanitary-grade accessory designed to protect unused ports, ferrules, or couplings from dust, contamination, and mechanical damage. Equipped with a durable safety chain, this component is ideal for use in food processing, pharmaceutical, dairy, beverage, and chemical industries where hygiene and cleanliness are critical.

Material & Construction:

• Material: AISI 304 Stainless Steel
• Finish: Mirror Polished or Electro-Polished (Ra < 0.8 µm)
• Construction: One-piece CNC machined or precision cast
• Chain: Stainless Steel bead or link chain securely attached to the cap
• Seal Option: Optional inner silicone or EPDM gasket for tighter seal (on request)

Design & Specifications:

• Type: Sanitary Dummy Nut (Dust Cap / Cover Nut)
• Thread Type: BSP / NPT / Triclover-compatible (based on application)
• Sizes Available:
  
• 1/2”, 3/4”, 1”, 1.5”, 2”, 2.5”, 3”, 4”
• Temperature Range: -20°C to 120°C
• Pressure Rating: Not intended for pressurized sealing – used for dust or protection only
• Chain Length: Typically 150–200 mm (customizable)
• Mounting: Secures to unused ends of valves, pipes, ferrules, or fittings

Key Features:

• Prevents contamination of unused hygienic connections
• Durable 304 stainless steel resists corrosion and chemical exposure
• Sanitary-grade finish for cleanroom and food-grade applications
• Attached chain prevents misplacement or loss
• Easy installation and removal by hand – no tools required
• Custom engraving or logo marking available for OEM branding

Applications:

• Food & Dairy Industry: Covering unused milk line ports or valve ends
• Pharmaceutical Plants: Sealing off unused cleanroom connections
• Beverage Plants: Temporary closure for pipes during CIP
• Chemical & Cosmetic Industry: Dust protection during equipment maintenance or idle state
• Breweries: Sealing unused outlets on fermenters or CIP systems