DIN 11864 Aseptic Fittings

DIN 11864 Aseptic Fittings

DIN 11864-series aseptic fittings represent the premium hygienic connection solution for pharmaceutical, biotech and food industries, engineered specifically for CIP/SIP processes with dead-space-free construction, sterile service and high-purity fluid handling requirements.

Typical Application Scenarios：
Pharmaceuticals: Water for Injection (WFI), pure steam, API synthesis and aseptic filling processes
Biotechnology: Cell culture, fermentation, chromatography and buffer preparation systems
Food & Beverage: High-sanitation-grade dairy products, fruit juice, beer and aseptic packaging production
Fine Chemicals: High-purity reagents, cosmetic raw materials and electronic-grade chemicals

Series Classification：
DIN 11864-1: Union-type fittings
DIN 11864-2: Flanged fittings
DIN 11864-3: Clamped fittings

Available with weld ends complying with DIN11866 specifications to suit diverse dimensional requirements: Series A (DIN standard), Series B (ISO standard), Series C (ASME BPE standard).


DIN 11864-1: Union-type fittings
Overall Dimension: Weld ends conform to DIN 11866 Series A (DIN standard)

DN	ID（mm）	OD（mm）	A（mm）	C（mm）	B（mm）
DN10	10	13	38	Rd 28 x 1/8"	76
DN15	16	19	44	Rd 34 x 1/8"	76
DN20	20	23	54	Rd 44 x 1/6"	76
DN25	26	29	63	Rd 52 x 1/6"	77
DN32	32	35	70	Rd 58 x 1/6"	88
DN40	38	41	78	Rd 65 x 1/6"	88
DN50	50	53	92	Rd 78 x 1/6"	89
DN65	66	70	112	Rd 95 x 1/6"	113
DN80	81	85	127	Rd 110 x 1/4"	117
DN100	100	104	148	Rd 130 x 1/4"	120

DIN 11864-2: Flanged fittings
Overall Dimension: Weld ends conform to DIN 11866 Series A (DIN standard)

DN	ID（mm）	OD（mm）	A（mm）	C（mm）	B（mm）	（mm)
DN10	10	13	54	37	80	4/M8 x 30
DN15	16	19	59	42	80	4/M8 x 30
DN20	20	23	64	47	80	4/M8 x 30
DN25	26	29	70	53	80	4/M8 x 30
DN32	32	35	76	59	90	4/M8 x 30
DN40	38	41	82	65	90	4/M8 x 30
DN50	50	53	94	77	90	4/M8 x 30
DN65	66	70	113	95	108	8/M8 x 30
DN80	81	85	133	112	116	8/M10 x 35
DN100	100	104	159	137	116	8/M10 x 40
DN125	125	129	183	161	120	8/M10 x 40
DN150	150	154	213	188	120	8/M12 x 50

DIN 11864-3: Clamped fittings
Overall Dimension: Weld ends conform to DIN 11866 Series A (DIN standard)

DN	ID（mm）	OD（mm）	A（mm）	C（mm）
DN10	10	13	34	76
DN15	16	19	34	76
DN20	20	23	50.5	76
DN25	26	29	50.5	77
DN32	32	35	50.5	88
DN40	38	41	64	88
DN50	50	53	77.5	89
DN65	66	70	91	113
DN80	81	85	106	117
DN100	100	104	130	120