AS 4087 Flanges for Pipes Valves and Fittings

Name: AS 4087 Flanges for Pipes Valves and Fittings
Brand: Wenzhou Kidy Pipeline Materials Co., Ltd.

AS4087 metal flange specification: DN80-DN1200 pressure rating: PN14, PN16, PN21, PN35 suitable for heat exchangers, condensers, gas delivery pipelines, such as chemical, refining, boilers, hydraulic and other fields.

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Specifications1 of AS 4087 Flanges for Pipes Valves and Fittings

TABLE 3.2 FASTENERS


Component	Material			Dimensional	Mechanical
	Composition	Standard	Grade	Standard	Standard	Property class
Bolts	Carbon steel	AS 2074	C1	AS 1111.1 AS 1110.1	AS 4291.1	4.6 8.8
	Stainless steel	ASTM A276	316	AS 1110.1	ISO 3506-1	A4-50 A4-70 A4-80
Studbolts	Carbon steel	AS 2074	C1	AS 2528	AS 4291.1	8.8
	Stainless steel	ASTM A276	316		ISO 3506-1	A4-70
						A4-80
Nuts	Carbon steel	AS 2074	C1	AS 1112.1	AS 4291.2	5
						8
	Stainless steel	ASTM A564M	316		ISO 3506-2	A4-80
Washers	Carbon steel	AS 2074	C1	AS 1237.2	ISO 6507-1	100HV
	Stainless steel	ASTM A240M	316			200HV

Specifications2 of AS 4087 Flanges for Pipes Valves and Fittings

AS 4087 Flanges for Pipes Valves and Fittings

DN	Outside diameter of flange (D) mm	Bolting details				Thickness of flange (T) mm
		Pitch circle diameter (P) mm	Number of holes (N)	Diameter of holes (V) mm	Fastener size and thread




80	185	146	4	18	M16	19
100	215	178	4	18	M16	22
150	280	235	8	18	M16	22
200	335	292	8	18	M16	25
225	370	324	8	18	M16	25
250	405	356	8	22	M20	25
300	455	406	12	22	M20	29
350	525	470	12	26	M24	32
375	550	495	12	26	M24	32
400	580	521	12	26	N24	32
450	640	584	12	26	M24	35
500	705	641	16	26	M24	38
600	825	756	16	30	M27	41
700	910	845	20	30	M27	44
750	995	927	20	30	M30	48
800	1060	984	20	36	M33	48
900	1175	1092	24	36	M33	51
1000	1255	1175	24	36	M33	54
1200	1490	1410	32	36	M33	60

NOTES:

1. For allowable flange face types, see Table 1.

2. A flat-face flange greater than DN 500 should only be mated with—

(a)flat-face flange with a narrow face gasket;

(b)a raised face flange; or

(c)a flat face O-ring groove steel flange.

3. For guidelines on jointing, see Appendix C.

Specifications3 of AS 4087 Flanges for Pipes Valves and Fittings

AS 4087 Flanges for Pipes Valves and Fittings Manufacturer

DN	Outside diameter of flange	Bolting details				Thickness of flange (T) mm
	Outside diameter of flange	Pitch circle diameter	Number of holes	Diameter of holes	Fastener size and thread
	(D) mm	(P) mm	(N)	(n) mm	Fastener size and thread
80	205	165	8	18	M16	29
100	230	191	8	18	M16	32
150	305	260	12	22	M20	35
200	370	324	12	22	M20	41
225	405	356	12	26	M24	41
250	430	381	12	26	M24	41
300	490	438	16	26	M24	44
350	550	495	16	30	M27	48
375	580	521	16	30	M27	51
400	610	552	20	30	M27	51
450	675	610	20	33	M30	54
500	735	673	24	33	M30	57
600	850	781	24	36	M33	64

NOTES:

1. For allowable flange face types, see Table 1.

2. A flat-face flange should only be mated with—

(a)flat-face flange with a narrow face gasket;

(b)a raised-face flange; or

(c)a flat-face O-ring groove steel flange.

3. For guidelines on jointing, see Appendix C

Features of AS 4087 Flanges for Pipes Valves and Fittings

KIDY is a service-oriented enterprise with a complete range of steel grades; Regular and other specifications are available for long-term delivery of flange blanks, and the packaging is made in export wooden boxes. Special size requirements can be customized.

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