Lap Joint Loose Flanges

• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Lap Joint Flange
• Material: Carbon,Stainless,Alloy
• Structure: Flanges
• Connection: Lap Joint
• Sealing Surface: RF
• Model NO.: KM-20200421
• Manufacturing Way: Forging
• Size: 3/8"-80"(DN10~DN2000)
• Pressure: Class 150~Class 2500
• Transport Package: in Wooden Case or Pallet
• Specification: 3/8"~80"
• Trademark: Kingmeal
• Origin: Made in China
• HS Code: 73079100
• Production Capacity: 2000 Tons Per Month

Product Description

Lap Joint Flange

Lap Joint Flange(Loose Flange):3/8"-80"
DN10-DN2000
Pressure
America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500.        
Europe Series:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400.
Flange Facing Types
America Series:Flat face(FF),Raised face(RF),Tongue(T),Groove(G),Female(F),Male(M),Ring type joints face(RJ/RTJ)
Europe Series:Type A(Flat Face),Type B(Raised Face),Type C(Tongue),Type D(Groove),Type E(Spigot),Type F(Recess),Type G(O-Ring Spigot),Type H(O-Ring Groove)
Material
Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8.
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Standards:ASME ANSI B16.5,ASME ANSI B16.47.MSS SP 44CSA Z245.12.EN1092-1,EN1759-1.
DIN2642,DIN2655,DIN2656.
BS1560,BS 4504,BS 10.
AFNOR NF E29-200-1
ISO7005-1
AS2129
JIS B2220
UNI 2276. UNI 2277.UNI 2278 .UNI 6089 .UNI 6090
Industrial Processes
Die forging,Machining.
Application for Lap Joint flange(LJ flange) /Loose flanges
Natural gas,chemical,petroleum,ship building,marine,paper making, metallurgy, electric, power, boiler , etc. 


Standard Specification

ANSI, ASME, ASA, B16.5 150lb/sq.in. Lap Joint Flange
Nominal Size		Outside Diam.	Thick. of Flange	Diam of Hub at Base	Length Thru Hub	Diam. of Bore	Fillet Radius	No. of Holes	Diam. of Holes	Diam. of Bolts	Diam. of Bolt Circle	Approx. Weight Pounds Kg
		O	C	X	Y	B	r
1/2"	in.	3.5	0.44	1.19	0.62	0.9	0.12	4	0.62	1/2	2.38	1
	mm.	88.9	11.2	30.2	15.7	22.9	3		15.7	12.7	60.5	0.5
3/4"	in.	3.88	0.5	1.5	0.62	1.11	0.12	4	0.62	1/2	2.75	2
	mm.	98.6	12.7	38.1	15.7	28.2	3		15.7	12.7	69.9	1
1"	in.	4.25	0.56	1.94	0.69	1.38	0.12	4	0.62	1/2	3.12	2
	mm.	108	14.2	49.3	17.5	35.1	3		15.7	12.7	79.2	1
1 1/4"	in.	4.62	0.62	2.31	0.81	1.72	0.19	4	0.62	1/2	3.5	3
	mm.	117.3	15.7	58.7	20.6	43.7	4.8		15.7	12.7	88.9	1
1 1/2"	in.	5	0.69	2.56	0.88	1.97	0.25	4	0.62	1/2	3.88	3
	mm.	127	17.5	65	22.4	50	6.4		15.7	12.7	98.6	1
2"	in.	6	0.75	3.06	1	2.46	0.31	4	0.75	5/8	4.75	5
	mm.	152.4	19.1	77.7	25.4	62.5	7.9		19.1	15.9	120.7	2
2 1/2"	in.	7	0.88	3.56	1.12	2.97	0.31	4	0.75	5/8	5.5	7
	mm.	177.8	22.4	90.4	28.4	75.4	7.9		19.1	15.9	139.7	3
3"	in.	7.5	0.94	4.25	1.19	3.6	0.38	4	0.75	5/8	6	8
	mm.	190.5	23.9	108	30.2	91.4	9.7		19.1	15.9	152.4	4
3 1/2"	in.	8.5	0.94	4.81	1.25	4.1	0.38	8	0.75	5/8	7	11
	mm.	215.9	23.9	122.2	31.8	104.1	9.7		19.1	15.9	177.8	5
4"	in.	9	0.94	5.31	1.31	4.6	0.44	8	0.75	5/8	7.5	13
	mm.	228.6	23.9	134.9	33.3	116.8	11.2		19.1	15.9	190.5	6
5"	in.	10	0.94	6.44	1.44	5.69	0.44	8	0.88	3/4	8.5	15
	mm.	254	23.9	163.6	36.6	144.5	11.2		22.4	19.1	215.9	7
6"	in.	11	1	7.56	1.56	6.75	0.5	8	0.88	3/4	9.5	19
	mm.	279.4	25.4	192	39.6	171.5	12.7		22.4	19.1	241.3	9
8"	in.	13.5	1.12	9.69	1.75	8.75	0.5	8	0.88	3/4	11.75	30
	mm.	342.9	28.4	246.1	44.5	222.3	12.7		22.4	19.1	298.5	14
10"	in.	16	1.19	12	1.94	10.92	0.5	12	1	7/8	14.25	43
	mm.	406.4	30.2	304.8	49.3	277.4	12.7		25.4	22.2	362	20
12"	in.	19	1.25	14.38	2.19	12.92	0.5	12	1	7/8	17	64
	mm.	482.6	31.8	365.3	55.6	328.2	12.7		25.4	22.2	431.8	29
14"	in.	21	1.38	15.75	3.12	14.18	0.5	12	1.12	1	18.75	105
	mm.	533.4	35.1	400.1	79.2	360.2	12.7		28.4	25.4	476.3	48