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UNI 2278 PN16 Plate Flanges

UNI 2278 PN16 plate flange dimensions.

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Reference scope

Common order references

Standard / Type	Product	Typical scope
UNI 2278 PN16 plate flange	Product type	Dimensions and specification tables below
Documents	Material certificate	EN 10204 3.1 by request
Production release	Approved drawing / standard edition	Released against the controlled order file

Product data

Dimensions and specification tables

ITALY STANDARD UNI 2278 PN16 PLATE FLANGE DIMENSIONS TABLE

Directions for the designation	d1	a	b	D	f	Holes	screws	Weight*
Rated Diameter	External diameter of the pipe	Nominal	Tolerance	Kg
15	20	20,5	+0,5	65	12	95	14	4	M 12	0,67
21,3	22	0,66
20	25	25,5	75	14	105	14	4	M 12	0,83
26,9	27,5	0,82
25	30	30,5	85	14	115	14	4	M 12	1,03
33,7	34	1,01
32	38	38,5	100	16	140	18	4	M 16	1,66
42,4	43	1,63
40	44,5	45	110	16	150	18	4	M 16	1,89
48,3	49	1,85
50	57	58	125	18	165	18	4	M 16	2,51
60,3	61,5	2,46
65	76,1	77	145	18	185	18	4	M 16	3,00
80	88,9	90	160	20	200	18	8**	M 16	3,61
100	108	109	+1,0	180	22	220	18	8	M 16	4,60
114,3	115,5	4,40
125	133	134,5	210	24	250	18	8	M 16	6,19
139,7	141	5,92
150	159	160,5	240	24	285	22	8	M 20	7,63
168,3	170	7,17
175	193,7	195,5	270	26	315	22	8	M 20	9,16
200	219,1	221	295	26	340	22	12	M 20	9,77
250	267	269	355	32	405	25	12	M 22	16,6
273	275	16,0
300	323,9	326	410	32	460	25	12	M 22	19,3
350	355,6	358	470	36	520	25	16	M 22	29,4
368	370,5	27,3
400	406,4	409	+1,5	525	38	580	30	16	M 27	36,5
419	422	33,9
*	The weight is approximate and calculated on base 7.85 Kg/dm3
**	For PN10 the flange should have 4 holes

Use these tables for RFQ preparation. Final production should be confirmed against the required standard edition, drawing, material grade and certificate requirement.

Supply notes

Supply and order notes

Specification support from Hyupshin

Use the dimensions and RFQ notes below to check the required standard, size range, pressure rating, material grade and certificate needs before sending an inquiry.

How we prepare the production item

Our quotation records the standard number, flange type, nominal size, pressure rating, material grade, facing, quantity and document scope, with project drawings linked to the same production item.

Product scope

UNI 2278 PN16 plate flange can be quoted in carbon steel, stainless steel or project material grades when the order specification, dimensions and certificate requirements are confirmed.

Technical purchasing support

How Hyupshin turns the specification into a controlled flange order.

Dimension control

UNI production dimensions

Our technical team compares the requested standard edition and project drawing, then releases the applicable dimensions to production.

Pressure and facing

PN16

We record the PN rating, sealing-face form, surface finish and tolerance notes on each PN-rated quotation line.

Product geometry

Plate manufacturing details

Flange type, sealing face, drilling, thickness and machining details are checked together so production and inspection use the same specification.

Documents

Certificate and inspection records

Our order file carries the agreed EN 10204 3.1, PED, AD 2000, UKCA, PMI, NDT and third-party inspection scope through to shipment.

Send this product for quotation

Request a quotation for this flange

Send the standard, flange type, DN, PN, sealing face, material grade, quantity, certificate requirement and any project drawing.

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