Sanitary DIN Blind Nut Without Knob Stainless Steel Union Nut with Knob SS304 SS316L Unions 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

DIN Blind Nut

	Model		Size	D/mm	G	H/mm	N.W/g
	without Knob	with Knob
	FUA012010	FUA022010	DN10	38	Rd28x1/8	18	80
	FUA012015	FUA022015	DN15	44	Rd34x1/8	18	100
	FUA012020	FUA022020	DN20	54	Rd44x1/6	20	140
	FUA012025	FUA022025	DN25	63	Rd52x1/6	21	190
	FUA012032	FUA022032	DN32	70	Rd58x1/6	21	230
	FUA012040	FUA022040	DN40	78	Rd65x1/6	21	260
	FUA012050	FUA022050	DN50	92	Rd78x1/6	22	380
	FUA012065	FUA022065	DN65	112	Rd95x1/6	25	660
	FUA012080	FUA022080	DN80	127	Rd110x1/4	27	1000
	FUA012100	FUA022100	DN100	148	Rd130x1/4	29	1400
	FUA012125	FUA022125	DN125	178	Rd160x1/4	32	1970
	FUA012150	FUA022150	DN150	210	Rd190x1/4	34	2870