DIN Reducing Flanges (PN 10)

We have a custom-made solution for transitions between all nominal pipe sizes. Depending on the reduction, lined with PTFE, PFA or PP.

Materials:

carbon steel
stainless steel

Lining materials:

PTFE (virgin or conductive)
PFA (virgin or conductive)
PP

Other pressure levels:

PN 16
PN 25
PN 40

Special features:

earthing stud/lug

Optional extras:

final painting

Form K1 (concentric):

DN₁: through holes
DN₂: threaded holes

Form K2 (concentric):

DN₁: through holes
DN₂: threaded holes

Form K3 (concentric):

DN₁: threaded holes
DN₂: threaded holes on centre line

Excentric Reducing Flanges – Form E2 and E3 according to DIN 2848 – on request.

DN₁	DN₂	L (mm)	Form	d₄₍₁₎ (mm)	K₍₁₎ (mm)	d₄₍₂₎ (mm)	K₍₂₎ (mm)	Lining materials	No. of bolts x thread		Weights (ca. kg/piece)
DN₁	DN₂	L (mm)	Form	d₄₍₁₎ (mm)	K₍₁₎ (mm)	d₄₍₂₎ (mm)	K₍₂₎ (mm)	Lining materials	DN₁	DN₂	Weights (ca. kg/piece)
20	15	35	K3	58	75	45	65	PTFE	4 x M12	4 x M12	2.1
25	15	35	K3	68	85	45	65	PTFE	4 x M12	4 x M12	2.4
25	20	35	K3	68	85	58	75	PTFE	4 x M12	4 x M12	2.4
32	20	35	K3	78	100	58	75	PTFE	4 x M16	4 x M12	3.6
32	25	35	K3	78	100	68	85	PTFE	4 x M16	4 x M12	3.7
40	20	35	K2	88	110	58	75	PFA	4 x M16	4 x M12	3.9
40	25	35	K3	88	110	68	85	PTFE	4 x M16	4 x M12	4.2
40	32	35	K3	88	110	78	100	PTFE	4 x M16	4 x M16	4.1
50	20	35	K2	102	125	58	75	PFA	4 x M16	4 x M12	4.7
50	25	35	K2	102	125	68	85	PFA	4 x M16	4 x M12	4.7
50	32	35	K3	102	125	78	100	PTFE	4 x M16	4 x M16	5.0
50	40	35	K3	102	125	88	110	PTFE	4 x M16	4 x M16	5.0
65	20	35	K2	122	145	58	75	PFA	8 x M16	4 x M12	6.0
65	25	35	K2	122	145	68	85	PFA	8 x M16	4 x M12	5.9
65	32	35	K2	122	145	78	100	PFA	8 x M16	4 x M16	5.8
65	40	35	K3	122	145	88	110	PTFE	8 x M16	4 x M16	6.2
65	50	35	K3	122	145	102	125	PTFE	8 x M16	4 x M16	6.2
80	25	35	K1	138	160	68	85	PFA	8 x M16	4 x M12	6.8
80	32	35	K2	138	160	78	100	PFA	8 x M16	4 x M16	6.8
80	40	35	K2	138	160	88	110	PFA	8 x M16	4 x M16	6.7
80	50	35	K2	138	160	102	125	PTFE	8 x M16	4 x M16	7.2
80	65	35	K2	138	160	122	145	PTFE	8 x M16	8 x M16	7.0
100	25	45	K1	158	180	68	85	PFA	8 x M16	4 x M12	10.9
100	32	45	K1	158	180	78	100	PFA	8 x M16	4 x M16	11.0
100	40	45	K1	158	180	88	110	PFA	8 x M16	4 x M16	10.9
100	50	45	K2	158	180	102	125	PFA	8 x M16	4 x M16	10.8
100	65	45	K2	158	180	122	145	PTFE	8 x M16	8 x M16	11.2
100	80	45	K3	158	180	138	160	PTFE	8 x M16	8 x M16	11.0
125	25	45	K1	188	210	68	85	PFA	8 x M16	4 x M12	14.8
125	32	45	K1	188	210	78	100	PFA	8 x M16	4 x M16	14.3
125	40	45	K1	188	210	88	110	PFA	8 x M16	4 x M16	14.4
125	50	45	K1	188	210	102	125	PFA	8 x M16	4 x M16	13.6
125	65	45	K2	188	210	122	145	PFA	8 x M16	8 x M16	13.7
125	80	45	K2	188	210	138	160	PTFE	8 x M16	8 x M16	13.1
125	100	45	K3	188	210	158	180	PTFE	8 x M16	8 x M16	12.6
150	25	45	K1	212	240	68	85	PFA	8 x M20	4 x M12	18.6
150	32	45	K1	212	240	78	100	PFA	8 x M20	4 x M16	18.9
150	40	45	K1	212	240	88	110	PFA	8 x M20	4 x M16	18.6
150	50	45	K1	212	240	102	125	PFA	8 x M20	4 x M16	18.2
150	65	45	K1	212	240	122	145	PFA	8 x M20	8 x M16	17.9
150	80	45	K1	212	240	138	160	PFA	8 x M20	8 x M16	17.3
150	100	45	K2	212	240	158	180	PTFE	8 x M20	8 x M16	16.7
150	125	45	K3	212	240	188	210	PTFE	8 x M20	8 x M16	16.4
200	50	45	K1	268	295	102	125	PFA	8 x M20	4 x M16	26.2
200	65	45	K1	268	295	122	145	PFA	8 x M20	8 x M16	25.7
200	80	45	K1	268	295	138	160	PFA	8 x M20	8 x M16	24.9
200	100	45	K1	268	295	158	180	PFA	8 x M20	8 x M16	24.4
200	125	45	K1	268	295	188	210	PTFE	8 x M20	8 x M16	22.6
200	150	45	K2	268	295	212	240	PTFE	8 x M20	8 x M20	21.8
250	65	45	K1	320	350	122	145	PFA	12 x M20	8 x M16	37.3
250	80	45	K1	320	350	138	160	PFA	12 x M20	8 x M16	35.5
250	100	45	K1	320	350	158	180	PFA	12 x M20	8 x M16	34.2
250	125	45	K1	320	350	188	210	PTFE	12 x M20	8 x M16	33.0
250	150	45	K1	320	350	212	240	PTFE	12 x M20	8 x M20	30.2
250	200	45	K2	320	350	268	295	PTFE	12 x M20	8 x M20	27.8
300	80	50	K1	370	400	138	160	PTFE	12 x M20	8 x M16	50.9
300	100	50	K1	370	400	158	180	PTFE	12 x M20	8 x M16	49.7
300	125	50	K1	370	400	188	210	PTFE	12 x M20	8 x M16	48.0
300	150	50	K1	370	400	212	240	PTFE	12 x M20	8 x M20	47.1
300	200	50	K1	370	400	268	295	PTFE	12 x M20	8 x M20	38.7
300	250	50	K2	370	400	320	350	PTFE	12 x M20	12 x M20	37.7
350	100	50	K1	430	460	158	180	PTFE	16 x M20	8 x M16	64.9
350	125	50	K1	430	460	188	210	PTFE	16 x M20	8 x M16	63.2
350	150	50	K1	430	460	212	240	PTFE	16 x M20	8 x M20	64.5
350	200	50	K1	430	460	268	295	PTFE	16 x M20	8 x M20	58.5
350	250	50	K1	430	460	320	350	PTFE	16 x M20	12 x M20	50.8
350	300	50	K2	430	460	370	400	PTFE	16 x M20	12 x M20	47.0
400	125	50	K1	482	515	188	210	PTFE	16 x M24	8 x M16	84.6
400	150	50	K1	482	515	212	240	PTFE	16 x M24	8 x M20	82.6
400	200	50	K1	482	515	268	295	PTFE	16 x M24	8 x M20	78.9
400	250	50	K1	482	515	320	350	PTFE	16 x M24	12 x M20	72.1
400	300	50	K1	482	515	370	400	PTFE	16 x M24	12 x M20	56.5
400	350	50	K2	482	515	430	460	PTFE	16 x M24	16 x M20	52.0
450	150	50	K1	532	565	212	240	PTFE	20 x M24	8 x M20	90.1
450	200	50	K1	532	565	268	295	PTFE	20 x M24	8 x M20	87.8
450	250	50	K1	532	565	320	350	PTFE	20 x M24	12 x M20	84.8
450	300	50	K1	532	565	370	400	PTFE	20 x M24	12 x M20	81.8
450	350	50	K1	532	565	430	460	PTFE	20 x M24	16 x M20	76.6
450	400	50	K2	532	565	482	515	PTFE	20 x M24	16 x M24	73.3
500	150	50	K1	585	620	212	240	PTFE	20 x M24	8 x M20	119.9
500	200	50	K1	585	620	268	295	PTFE	20 x M24	8 x M20	114.6
500	250	50	K1	585	620	320	350	PTFE	20 x M24	12 x M20	107.5
500	300	50	K1	585	620	370	400	PTFE	20 x M24	12 x M20	102.2
500	350	50	K1	585	620	430	460	PTFE	20 x M24	16 x M20	91.6
500	400	50	K1	585	620	482	515	PTFE	20 x M24	16 x M24	83.3

Different nominal pipe sizes

and total lengths on request.

L = Total length

d4 = Raised face diameter

K = Bolt circle diameter

Technical data valid for the
pressure level PN 10.

DN	Lining thickness		Possible vacuum
DN	standard	thick-walled	23°C	150°C	200°C
25
25
40
40
50
50
80
80
100
100
150
150
200
200
250
250
300
300

Vacuum resistance:

	=	full vacuum
	=	limited vacuum
	=	no vacuum
Please refer to the next higher nominal pipe size if your nominal pipe size is not listed.

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