Stainless Steel DS Union Blind Nut with Chain for Piping System SS304 SS316L Nut Without/With Knob Sanitary Union Fitting

Application

Uinon Fittings are used on permanent installations where process piping and equipment can be cleaned in place (CIP) and removal from the system is not required. Weld Fittings are offered in nominal tube sizes 1/2˝ through 8˝ in T304 and T316L materials. Uniform wall thickness for 1/2˝ through 3˝ sizes measure .065 (16 ga). In 4˝ size, wall thickness measures. 083 (14 ga), 6˝ and 8˝ .109 (12 ga).

Here’s a professional English description for a 304 Stainless Steel Sanitary Clamp Union Fitting Kit: 304 Stainless Steel Sanitary Union Fitting Kit Description Product Name* 304 Stainless Steel Sanitary Quick-Connect Union Kit (Clamp/Thread Type) Key Specifications Material: Body: 304 Stainless Steel (06Cr19Ni10), corrosion-resistant, compliant with GB/T 1220. Seal: Food-grade EPDM/FKM/Silicone (optional), FDA/EC1935 certified. Surface Finish: Mechanical polishing (Ra ≤ 0.8μm), mirror-finished inner surface, dead-space-free design. Optional electropolishing or passivation (enhanced corrosion resistance). Compliance Standards:DIN/SMS/ISO/3A (as per actual certifications). Components Included 1. Union Body: Precision-cast 304 stainless steel,quick-release design, allows 360° rotation alignment. 2. Connection Type: Clamp Typ: Stainless steel tri-clamp with anti-slip locking mechanism. Thread Type: BSP/NPT/Clamp threads available (optional). 3. Gasket: High-temperature resistant (-20°C to120°C), anti-aging, food-safe compliant. Features Hygienic Design: Meets GMP/HACCP standards, suitable for sterile piping systems. No dead zones, supports CIP/SIP cleaning and sterilization. Durability 304 stainless steel resists weak acids, alkalis, and organic solvents. Working pressure: 1.0MPa–1.6MPa (varies by size). Easy Installation Tri-clamp design for tool-free disassembly and maintenance. Compatible with DN15–DN100 (1/2"–4") pipes; custom sizes available. Applications Food & Beverage: Dairy, beer, juice, condiment pipelines. Pharmaceutical: Purified water, WFI (Water for Injection) systems. Cosmetics: High-purity fluid transfer. Packaging & Certifications - Individually packed in dust-proof bags, complete with seals/clamps. - Material Test Certificates (MTC) and sanitary compliance documents provided.

Materials

• Body: AISI-304 and AISI-316L

Standard Design

• Standards: SMS, ISO / IDF, DS, RJT, DIN, DIN11864, etc

• End connections: Weld

• Size available: 1"-4" or DN10-DN150

Detailed specifications on the drawing label

DS Blind Nut

	Model		Size	D/mm	G	H/mm	N.W/g
	without Knob	with Knob
	FUA016100	FUA026100	1"	57	Ra44x1/6	20
	FUA016125	FUA026125	11/4"	65	Ra52x1/6	20
	FUA016150	FUA026150	11/2"	71	Ra58x1/6	20
	FUA016200	FUA026200	2"	86	Ra72x1/6	22
	FUA016250	FUA026250	21/2"	103	Ra88x1/6	24
	FUA016300	FUA026300	3"	115	Ra100x1/6	25
	FUA016400	FUA026400	4"	148	Ra130x1/5	31