JIS B2220 FLANGE

What Is JIS Standard for Flanges?

 

In industrial applications, the choice of common flange types is critical for ensuring the integrity and safety of piping systems. One prominent standard that governs the specifications for flanges in Japan is the JIS standard, specifically the JIS B 2220 flange. Established by the Japanese Industrial Standards (JIS), this standard outlines the dimensions, materials, and testing requirements for flanges used in various applications, including water and gas pipelines, chemical processing, and manufacturing.

 

The JIS B 2220 flange is designed to provide reliable connections in piping systems through a series of detailed specifications. It encompasses various types of flanges, including welding neck, slip-on, blind, and threaded options. These flanges are available in different sizes, pressure ratings, and materials, enabling engineers to select the appropriate flange that meets their project requirements.

 

One of the key advantages of using JIS B 2220 flanges is their compatibility with international standards. This makes it easier for engineers and procurement specialists to source flanges that can seamlessly integrate into existing piping systems, particularly in projects that involve collaboration between Japanese and international stakeholders. Furthermore, adherence to the JIS standard ensures that flanges maintain high quality, durability, and resistance to corrosion.

 

In conclusion, understanding the requirements of the JIS B 2220 flange is vital for anyone involved in the design or maintenance of piping systems. This standard not only facilitates interoperability but also promotes the overall efficiency and safety of industrial operations. As industries continue to evolve, the demand for reliable and high-quality components like JIS B 2220 flanges will remain steadfast, underscoring the importance of adhering to recognized standards. For engineers and project managers, making informed decisions about flange specifications can lead to enhanced system performance and longevity.

 

What Is the Difference Between JIS and ANSI Flange?

 

What are JIS and ANSI Flanges? 

 

JIS Flanges refer to the standards established by the Japanese Industrial Standard (JIS). The JIS B 2220 flange specification defines the dimensions, tolerances, and pressure ratings for flanges used in various industrial applications. JIS flanges are commonly found in Japanese manufacturing and are typically manufactured to metric dimensions.

 

ANSI Flanges, on the other hand, pertains to the standards set by the American National Standards Institute (ANSI). ANSI flanges often follow the American Society of Mechanical Engineers (ASME) standards, primarily ASME B16.5 for pipe flanges, which utilize inch-based measurements. ANSI flanges are prevalent in the United States and other countries that adopt these standards.

 

Key Differences Between JIS and ANSI Flanges

 

1. Measurement System:
One of the most significant differences between JIS and ANSI flanges is the measurement system used. JIS flanges utilize the metric system—typically expressed in millimeters—while ANSI flanges are based on the imperial system—expressed in inches.

 

2. Design and Pressure Ratings:
Flanges come in various pressure ratings, and JIS B 2220 flanges are categorized into different classes based on their pressure-handling capabilities. For example, categories such as 5K, 10K, and 16K indicate the different levels of pressure tolerance. In contrast, ANSI flanges are classified by ANSI classes, where common classes are 150, 300, 600, 900, 1500, and 2500, indicating their pressure ratings.

 

3. Application and Use:
The choice between JIS and ANSI flanges often depends on regional practices and specific application requirements. JIS B 2220 flanges are primarily used in Japan and are suitable for industries like energy, chemical processing, and water treatment. ANSI flanges are more common in North America and are widely used in similar sectors.

 

4. Bolt Patterns and Dimensions:
The bolt patterns and overall dimensions of JIS and ANSI flanges differ. JIS B 2220 flanges have specific bolt circle diameters, numbers of bolt holes, and hole diameters unique to the JIS standard, whereas ANSI flanges follow their own set of dimensions, which can lead to compatibility issues between the two if not properly matched.

 

JIS B 2220 Flange FAQs

 

Q1: What is the JIS B 2220 flange used for?

A1: The JIS B 2220 flange is widely used in various industrial applications to connect pipes, valves, pumps, and other equipment in a piping system. It is designed to provide a reliable and robust joint that can withstand high pressure and temperature conditions, ensuring the integrity of your piping system. Whether you’re in the oil, gas, chemical, or water treatment industry, this flange is an excellent choice for ensuring safe and efficient operations.

 

Q2: What materials are available for JIS B 2220 flanges?

A2: JIS B 2220 flanges are available in a variety of materials to suit different operating environments and requirements. Common materials include carbon steel, stainless steel, and alloy steel. Each material offers unique benefits, such as corrosion resistance and strength. When selecting a flange, consider the specific application and operating conditions to ensure you choose the right material for optimal performance.

 

Q3: Are JIS B 2220 flanges compatible with ISO or ANSI flanges?

A3: While the JIS B 2220 flange is a standard that follows Japanese Industrial Standards, it features compatibility aspects with certain ISO and ANSI flanges. However, it's crucial to verify the dimensions, pressure ratings, and bolt-hole patterns to ensure an appropriate fit. We recommend consulting with your engineering team or a flange specialist to confirm compatibility for your specific application.

 

Q4: How do I ensure proper installation of the JIS B 2220 flange?

A4: To ensure proper installation of the JIS B 2220 flange, begin by cleaning the flange surfaces to remove any dirt or debris. Use a suitable gasket material that complies with your specific application requirements and is rated for pressure and temperature. Align the flanges correctly and insert bolts uniformly to avoid uneven stress distribution. It’s vital to tighten the bolts to the recommended torque specifications to ensure a secure and leak-free connection.

 

Q5: What are the pressure ratings for JIS B 2220 flanges?

A5: JIS B 2220 flanges feature various pressure ratings, typically ranging from 5K to 20K pressure classes. The exact rating depends on both the flange size and the material used. When selecting the appropriate flange, always reference the manufacturer's specifications to ensure it meets the requirements of your specific application, as using a flange with an inadequate pressure rating can lead to failures or leaks.

 

Q6: Can I order custom sizes of JIS B 2220 flanges?

A6: We offer the option to order custom sizes of JIS B 2220 flanges to meet your specific engineering needs. Customization may include different diameters, thicknesses, or material grades. To place a custom order, please contact our customer service team with your specific requirements, and we’ll assist you in finding the right solution for your project.

 

JIS B2220 Flange Dimensions

 

1K KS V 7815 JIS F 7805 SLIP-ON FLANGES Unit:mm
N/D	PIPE	FLANGE			BOLT HOLE			BOLT (M)	WT (KG)
	O/D(d)	D	I/D(do)	T	C	N	H
25	34.0	95	34.5	10	75	4	12	M10	0.45
(32)	42.7	115	432	12	90	4	15	M12	0.73
40	48.6	120	49.1	12	95	4	15	M12	0.83
50	60.5	130	61.1	14	105	4	15	M12	1.06
65	76.3	155	77.1	14	130	4	15	M12	1.48
80	89.1	180	90.0	14	145	4	19	M16	1.97
100	114.3	200	115.4	16	165	8	19	M16	2.35
125	139.8	235	141.2	16	200	8	19	M16	3.20
150	165.2	265	166.6	16	230	8	19	M16	3.90
200	216.3	320	218.0	16	280	8	23	M20	5.00
250	267.4	385	269.5	16	345	12	23	M20	6.83
300	318.5	430	321.0	16	390	12	23	M20	7.45
350	355.6	480	358.1	16	435	12	25	M22	9.45
400	406.4	540	409.0	16	495	16	25	M22	11.43
450	457.2	605	460.0	16	555	16	25	M22	14.40
500	508.0	655	511.0	16	605	16	25	M22	15.73
(550)	555.8	660	562.0	16	620	16	23	M20	12.00
600	609.6	710	613.0	16	670	16	23	M20	12.12
(650)	660.4	760	664.0	16	720	16	23	M20	12.15
700	711.2	815	715.0	16	775	16	23	M20	14.26
750	762.0	865	766.0	16	825	20	23	M20	14.88
800	812.8	915	817.0	16	875	20	23	M20	15.70
(850)	863.6	965	868.0	16	925	20	23	M20	16.50
900	914.4	1025	919.0	18	980	20	25	M22	21.48
(950)	962.0	1075	967.0	18	1030	20	25	M22	21.97
1000	1016.0	1125	1021.0	18	1080	20	25	M22	23.38
1050	1062.0	1175	1067.0	18	1130	24	25	M22	25.21
1100	1117.6	1225	1122.0	18	1180	24	25	M22	25.16
1150	1162.0	1275	1167.0	18	1230	24	25	M22	26.64
1200	1219.0	1325	1224.0	18	1280	24	25	M22	27.60
1250	1262.0	1375	1267.0	18	1330	28	25	M22	29.72
1300	1312.0	1425	1317.0	18	1380	28	25	M22	30.92
1350	1371.6	1475	1376.0	18	1430	28	25	M22	32.38
1400	1412.0	1525	1417.0	20	1480	28	25	M22	37.02
1450	1462.0	1595	1467.0	20	1540	28	27	M24	45.81
1500	1524.0	1645	1529.0	20	1590	28	27	M24	46.88
1600	1612.0	1745	1617.0	20	1690	28	27	M24	50.54
1700	1712.0	1845	1717.0	20	1790	28	27	M24	53.70
1800	1812.0	1950	1817.0	20	1895	32	27	M24	58.90
1900	1912.0	2050	1917.0	20	1995	32	27	M24	62.18
2000	2012.0	2150	2017.0	20	2095	36	27	M24	65.10
2100	2116.0	2250	2121.0	24	2195	36	27	M24	79.55
2200	2216.0	2350	2221.0	24	2295	40	27	M24	82.94
2300	2316.0	2450	2321.0	24	2395	40	27	M24	86.75
2400	2416.0	2550	2421.0	24	2495	40	27	M24	89.71
2500	2516.0	2650	2521.0	24	2595	48	27	M24	93.52
2600	2616.0	2750	2621.0	24	2695	48	27	M24	97.34

 

5Kg/cm²  JIS B2220-1984(KSB 1503-1985) 5Kg/cm² SLIP-ON WELDING STEEL PIPE FLANGES
Nominal Bore of Flange	Outside Diam.of AppliCable Pipe	Inside Diam.of Flange do	Outside Diam.of Flange D	Sectional Dimensions of Flange							Dia.of Bolt			Nominal Bot Size	Weight(kg)
				t	T	Diam.of Hub		Rad -IUS r	Raised face f	Diam.of Raised Face 9	Diam.o Bolt Circle C	Number of Bolt Holes	Hole Diam h		SOP	BL	SOH
						a	b
(10) 15 (20)	17.3 21.7 27.2	17.8 22.2 27.7	75 80 85	9 9 10	- - -	- - -	- - -	- -	1 1 1	39 44 49	55 60 65	4 4 4	12 12 12	M10 M10 M10	0.27 0.30 0.37	0.3 0.4 0.5	- - -
25 (32) 40	34.0 42.7 48.6	34.5 43.2 49.1	95 115 120	10 12 12	- - -	- - -	- -	- -	1 2 2	59 70 75	75 90 95	4 4 4	12 15 15	M10 M12 M12	0.45 0.78 0.83	0.6 0.9 1.0	- - -
50 65 80	60.5 76.3 89.1	61.1 77.1 90.0	130 155 180	13 13 13	- - -	- - -	- - -	- - -	2 2 2	85 110 121	105 130 145	4 4 4	15 15 19	M12 M12 M16	1.07 1.49 1.99	1.4 2.0 2.7	- - -
(90) 100 125	101.6 114.3 139.8	102.6 115.4 141.2	190 200 235	11 16 16	- - -	- - -	- - -	- - -	2 2 2	131 141 176	155 165 200	4 8 8	19 19 19	M16 M16 M16	2.09 2.39 3.23	3.0 3.7 5.2	- - -
150 (175) 200	165.2 190.7 216.3	166.6 192.1 218.0	265 300 320	18 18 18	- - -	- - -	- -	- , -	2 2 2	206 232 252	230 260 280	8 8 8	19 23 23	M16 M20 M20	4.41 5.51 6.33	7.5 9.5 12.2	- - -
(225) 250 300	241.8 267.4 318.5	243.7 269.5 321.0	345 385 430	20 22 22	- - -	- - -	- - -	- - -	2 2 3	277 317 360	305 345 390	12 12 12	23 23 23	M20 M20 M20	6.64 9.45 10.3	14.0 19.3 24.3	- - -
350 400 450	355.6 406.4 457.2	358.1 409.0 460.0	480 540 605	24 24 24	- 40	- - 495	- - 500	5	3 3 3	403 463 523	435 495 555	12 16	25 25 25	M22 M22 M22	14.0 16.9 21.6	33.2 41.9 53.0	- 24.8
500 550 600	508.0 558.8 609.6	511.0 562.0 613.0	655 720 770	24 26 26	40 42 44	546 597 648	552 603 654	5 5 5	3 3 3	573 630 680	605 665 715	20 20 20	25 27 27	M22 M24 M24	23.1 30.3 32.7	61.9 81.2 93.2	26.9 34.1 37.5
650 700 750	660.4 711.2 762.0	664.0 715.0 766.0	825 875 945	26 26 28	48 48 52	702 751 802	708 758 810	5 5 5	3 3 3	735 785 840	770 820 880	24 24 24	27 27 33	M24 M24 M30	35.9 38.2 48.7	106.9 120.6 150.5	42.8 45.4 57.4
800 (850) 900	812.8 863.6 914.4	817.0 868.0 919.0	995 1045 1095	28 28 30	52 54 56	854 904 956	862 912 964	5 5 5	3 3 3	890 940 990	930 980 1030	24 24 24	33 33 33	M30 M30 M30	51.2 54.4 61.1	167.4 185.1 218.1	60.8 63.5 75.3
1000 (1100) *1200	1016.0 1117.6 1219.2	1021.0 1123 1224	1195 1305 1420	32 32 34	60 - -	1058 -	1066 - -	5 - -	3 3 3	1090 1200 1305	1130 1240 1350	28 28 32	33 33 33	M30 M30 M30	70.5 81.7 102.0	277.3 331.9 417.8	88.5 - -
*1350 *1500	1371.6 1524.0	- -	1575 1730	34 36	- -	- -	- -	- -	3 3	1460 1615	1505 1660	32 36	33 33	M30 M30	115.9 157.4	515.6 659.2	0

 

10Kg/cm²  JIS B2220-1984(KSB 1503-1985) 10Kg/cm² SLIP-ON WELDING STEEL PIPE FLANGES
Nominal Diam of Flange	Outside Dam.of Steel Pipe	Inside Diam.of Flange do	Outside Diam.of FlangeD	Sectional Dimensions of Flange							Dia.of Bolt			Nominal Bot Size	Weight(kg)
				t	T	Diam.of Hub		Rad -lus r	Raised Face f	Diam.of Raised Face g	Bolt Circle Diam. C	Number of Boit Holes	Hole Diam h		SOP	BL	SOH
						a	b
10 15 20	17.3 21.7 27.2	17.8 22.2 27.7	90 95 100	12 12 14	- - -	- - -	- - -	- - -	1 1 1	46 51 56	65 70 75	4 4 4	15 15 15	M12 M12 M12	0.52 0.57 0.73	0.54 0.61 0.79	- - -
25 32 40	34.0 42.7 48.6	34.5 43.2 49.1	125 135 140	14 16 16	- - -	- - -	- - -	- - -	1 2 2	67 76 81	90 100 105	4 4 4	19 19 19	M16 M16 M16	1.13 1.48 1.56	1.24 1.66 1.81	- - -
50 65 80	60.5 76.3 89.1	61.1 77.1 90	155 175 185	16 18 18	- - -	- - -	- - -	- - -	2 2 2	96 116 126	120 140 150	4 4 8	19 19 19	M16 M16 M16	1.88 2.60 2.61	2.23 3.3 3.5	- - -
(90) 100 125	101.6 114.3 139.8	102.6 115.4 141.2	195 210 250	18 18 20	- - -	- - -	- - -	- - -	2 2 2	136 151 182	160 175 210	8 8 8	19 19 23	M16 M16 M20	2.76 3.14 4.77	4.0 4.6 7.3	- - -
150 (175) 200	165.2 190.7 216.3	166.6 192.1 218	280 305 330	22 22 22	- - -	- - -	- - -	- - -	2 2 2	212 237 262	240 265 290	8 12 12	23 23 23	M20 M20 M20	6.34 6.82 7.53	10.1 11.8 14.0	- - -
(225) 250 300	241.8 267.4 318.5	243.7 269.5 321	350 400 445	22 24 24	36 38	288 340	- 292 346	6 6	2 2 3	282 324 368	310 355 400	12 12 16	23 25 25	M20 M22 M22	7.74 11.8 12.7	15.8 22.7 27.8	12.7 13.8
350 400 450	355.6 406.4 457.2	358.1 409 460	490 560 620	26 28 30	42 44 48	380 436 496	386 442 502	6 6 6	3 3 3	413 475 530	445 510 565	16 16 20	25 27 27	M22 M24 M24	16.4 23.0 29.5	37.1 52.5 68.8	18.2 25.2 33.0
500 (550) 600	508 558.8 609.6	511 562 613	675 745 795	30 32 32	48 52 52	548 604 656	554 610 662	6 6 6	3 3 3	585 640 690	620 680 730	20 20 24	27 33 33	M24 M30 M30	33.5 43.1 45.7	82.1 105.8 120.2	37.6 49.7 52.6
(650) 700 (750)	660.4 711.2 762	664 715 766	845 905 970	34 34 36	56 58 62	706 762 816	712 770 824	6 6 6	3 3 3	740 800 855	780 840 900	24 24 24	33 33 33	M30 M30 M30	52.1 59.5 73.2	145.0 167.2 204.2	60.6 70.6 85.8
800 (850) 900	812.8 863.6 914.4	817 868 919	1020 1070 1120	36 36 36	64 66 70	868 920 971	876 928 979	6 6 6	3 3 3	905 955 1005	950 1000 1050	28 28 28	33 33 33	M30 M30 M30	76.4 80.7 89.4	225.4 248.8 288.4	91.2 98.6 109.0
1000 (1100) *1200	1016 1117.6 1219.2	1021 1123 1224	1235 1345 1465	40 42 44	74 76 78	1073	1081 - -	6	3 3 3	1110 1220 1325	1160 1270 1380	28 28 32	39 39 39	M36 M36 M36	109.2 131.6 163.5	367.7 460.0 572.2	133.0 -
*1350 *1500	1371.6 1524.0	- -	1630 1795	48 50	82 90	- -	- -	- -	3	1480 1635	1540 1700	36 40	45 45	M42 M42	204.7 250.2	769.0 974.9	- -

 

30Kg/cm²  JIS B2220-1984(KSB 1503-1985) 30Kg/cm² SLIP-ON WELDING STEEL PIPE FLANGES
Nominal Diameter of Flange	Outside Diameter of Steet Pioe	Inside Diameter. of Flange do	Outside Diameter. of Flange D	Sectional Dimensions of Flange								Bolt Hole				Reference					Approx Weight (kg)
				t	T	Diameter. of Hub		Rad -ius r	f	g	d	Bolt Cirele meter C	Number of Boit Holes	Hole Dia meter h	NominalBott Sige	S1	m	S2	n	l
																					SOH	BL
						a	b
10 15 20	17.3 21.7 27.2	17.8 22.2 27.7	110 115 120	16 18 18	24 26 28	30 36 42	34 40 46	4 5 5	1 1 1	52 55 60	- - -	75 80 85	4 4 4	19 19 19	M16 M16 M16	27 31 37	4 4 5	27 40 44	4 5 5	- - -	0.99 1.23 1.34	1.00 1.25 1.38
25 32 40	34.0 42.7 48.6	34.5 43.2 49.1	130 140 160	20 22 22	30 3 34	50 60 66	54 8 0	5 6 6	1 2 2	70 80 90	- - -	95 105 120	4 4 4	19 19 23	M16 M16 M20	44 52 58	6 6 6	52 60 66	5 5 5	- - -	1.76 2.15 2.82	1.84 2.32 3.00
50 65 80	60.5 76.3 89.1	61.1 77.1 90.0	165 200 210	22 26 28	36 40 44	82 102 115	86 106 121	6 8 8	2 2 2	105 130 140	65.9 78.1	130 160 170	8 8 8	19 23 23	M16 M20 M20	70 96 109	6.5 9.5 9.5	78 94 -	5 5 .	一 6 6	2.89 4.70 5.36	3.14 5.50 6.63
(90) 100 125	101.6 114.3 139.8	102.6 115.4 141.2	230 240 275	30 32 36	46 48 54	128 141 166	134 147 172	8 8 8	2 2 2	150 160 195	90.2 102.3 126.6	185 195 230	8 8 8	25 25 25	M22 M22 M22	122 135 160	9.5 9.5 9.5	- - -	- - -	6 6 6	6.85 7.89 11.4	8.55 10.0 15.3
150 200 250	165.2 216.3 267.4	166.6 218.0 269.5	325 370 450	38 42 48	58 64 72	196 248 306	204 256 314	8 8 10	2 2 2	235 280 345	151.0 199.9 248.8	275 320 390	12 12 12	27 27 33	M24 M24 M30x3	186 237 290	9.5 9.5 10	- - -	- - -	6 6 6	16.7 20.6 36.1	22.2 32.6 55.2
300 350 400	318.5 355.6 406.4	321.0 358.1 409.0	515 560 630	52 54 60	78 84 92	360 402 456	370 412 468	10 12 15	3 3 3	405 450 510	297.9 333.4 381.0	450 495 560	16 16 16	33 33 39	M30x3 M30 x3 M36x3	345 383 435	12 13 14	- - -	- - -	6 6 7	49.9 61. 2 85.2	77.9 96.9 136

 

2kg/cm² KS B 1511-1982 JIS B 2220-1977 SLIP-ON FLANGES Unit:mm
Nominal Bore of Flange	Outside Diam,of Applicable Pipe	Inside Diam,of Flange do	Sectional Dimensions		Bolt Hole			Nominal Bolt Size
			t	D	C	h	N
450A 500A 550A	457.2 508.0 558.8	460 511 562	22 22 24	605 655 720	555 605 665	23 23 25	16 20 20	M20 M20 M22
600A 650A 700A	609.6 660.4 711.2	613 664 715	24 24 24	770 825 875	715 770 820	25 25 25	20 24 24	M22 M22 M22
750A 800A (850)A	762.0 812.8 863.6	766 817 868	24 24 24	945 995 1045	880 930 980	27 27 27	24 24 24	M24 M24 M24
900A 1000A (1100)A	914.4 1016.0 1117.6	919 1021 1123	24 26 26	1095 1195 1305	1030 1130 1240	27 27 27	24 28 28	M24 M24 M24
1200A 1350A 1500A	1219.2 1371.6 1524.0	1224 1377 1529	26 26 28	1420 1575 1730	1350 1505 1660	27 27 27	32 32 36	M24 M24 M24

 

40Kg/cm²  JIS B2216 40Kg/cm² SLIP-ON WELDING STEEL PIPE FLANGES
Nominal Diametero Flange	Outside Diameterof Steel Pipe	Inside Diameter.of Flange do	Outside Diameter. of Flange D	Sectional Dimensions of Fiange								BoltHole				Reference					Approx Weight (kg)
				t	T	Diameter.of Hub		Rad -ius r	f	g	d	Bolt Circle Dia- meter C	Num- ber of Boit Hales	Hole Dia meter h	Nominal Bolt Size	S1	m	S2	n	l
						a	b
10 15 20	17.3 21.7 27.2	17.8 22.2 27.7	110 115 120	18 20 20	26 30 30	34 39 45	38 43 49	5 5 5	1 1 1	58 55 60	- - -	75 80 85	4 4 4	19 19 19	M16 M16 M16	280 32.5 380	6 6 6	28 32.5 38.0	5 5 5		1.11 1.39 1.51
25 32 40	34.0 42.7 48.6	34.5 43.2 49.1	130 140 160	22 24 24	32 35 35	55 64 70	59 68 74	5 6 6	1 2 2	70 80 90	- -	95 105 120	4 4 4	19 19 23	M16 M16 M20	47.8 565 62.5	6 6 6	478 56.5 62.5	5 5 5		1.97 2.50 3.26
50 65 80	60.5 76.3 89.1	61.1 77.1 90.0	165 200 210	26 30 32	38 44 46	86 106 118	90 110 124	6 8 8	2 2 2	105 130 140	62.3 73.9	130 160 170	8 8 8	19 23 23	M16 M20 M20	74.5 91.5 1055	6 7 7.5	74.5 91.5 105.5	5.5 7 7		3.47 5.97 6.76
100 125	114.3 139.8	115.4 141.2	250 300	36 40	52 58	145 182	151 188	8 8	2 2	165 200	97.1 120.8	205 250	8 8	25 27	M22 M24	133.0 160.5	8.5 9.5	133.0 160.5	7 7		10.78 16.97
150 200 250	165.2 216.3 267.4	166.6 218.0 269.5	355 405 475	44 50 56	64 72 80	200 255 310	208 263 318	8 8 10	2 2 2	240 290 355	143.2 190. 9 237 2	295 345 410	12 12 12	33 33 33	M30 M30 M30	188.0 2430 298.0	11 13 15	188.0 243.0 298.0	7 7 7		22.6 34.9 41.1