ASME B16.48 Ring Spacer Flanges Manufacturers and Suppliers:
A Ring Spacer Flange, also known as a Spacer Ring for Raised Face Flange, is a type of flange that is used to increase the distance between two flanges in a pipeline or other piping system. It consists of a raised face flange and a spacer ring that fits between the two flanges.
ISO Approved ASME B16.48 Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 Ring Spacer Flanges Manufacturer In India, BS10 Ring Spacer Flange, AWWA C207 Ring Spacer Flange, EN 1092-1 Ring Spacer Flange, Series A and Series B Ring Spacer Flange Dimensions Chart, Tolerances, Weight Chart, Thickness Chart, Cad Drawing Ring Spacer Flange
ADCO Forge and Fittings is a reputable manufacturer of high-quality Ring Spacer Flanges. We have been in the business for several years and has established a reputation for delivering top-notch products to clients. We use advanced technology and techniques to manufacture Ring Spacer Flanges, ensuring that meet the highest quality standards. Our products are designed to withstand extreme temperatures, pressures, and corrosive environments. Additionally, offer a wide range of sizes and materials to meet the specific needs of our customers.
The spacer ring is typically made of a material that matches the flange material and has the same thickness as the raised face of the flange. The dimensions of the ring spacer flange are determined by the size and class of the flanges it is designed to fit between. The dimensions of the spacer ring should match the dimensions of the flanges to ensure a proper fit and seal.
Ring spacer flanges are commonly used in situations where it is necessary to add space between flanges, such as when adding or replacing equipment in a piping system. They can also be used to reduce the size of a flange connection or to create a transition between different types of flanges. Overall, ring spacer flanges are a versatile and effective solution for many piping system applications.
We have the ready inventory of Ring Spacer Flanges in the different size ranges of 2 Inch, 3 Inch, 4 Inch, 6 Inch, 8 Inch Ring Spacer Flange.
Ring Spacer Flanges Standard Specifications
Standards
ASME B16.48, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820
Form
SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle
BS/JIS
BS4504 , BS4504, BS1560, BS10,5K, 10K, 16K, 20K, 30K, 40K, 63K
Face Type
Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Dimensions
ASME B16.48, ANSI B16.48 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size Range (inches)
From ½” (15 NB) to 48″ (1200NB)
Class
150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40.
Connection Type
RTJ, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large, Tongue & Groove, Small Tongue & Groove
Ring Spacer Flanges in Stainless Steel 304/304L, SS 316/316L, SS 904L, Alloy 20, Carbon Steel, Nickel 200, Monel, Inconel, Hastelloy C22, Duplex Steel 2205, Titanium, Copper Nickel, SMO 254, Aluminum, Galvanized, MS Ring Spacer Flange. Get best Price List.
ASME B16.47 Flanges Types
If you are looking for ASME B16.47 Pipe Flanges types, weight chart, size chart, tolerance, and dimensions with drawings then kindly click the below-mentioned forms of Flanges as per your requirements to get the complete details. For the quick quote / price list click here.
ASME B16.48 Ring Spacer Flanges Material Grades
| Stainless Steel Ring Spacer Flange: | ASTM A182 F304, F304H, F304L, F304N, F304LN, F309H, F310, F310H, F310MoLN, F316, F316H, F316L, F316N, F316LN, F316Ti, F317, F317L, F321, F321H, F347, F347H, F348, F348H, 904L |
|---|---|
| Carbon Steel Ring Spacer Flange: | ASTM A105 A53, A106, API 5L |
| Low Temperature Carbon Steel Ring Spacer Flange: | ASTM A350 LF1, LF2, LF3 |
| High Yield Carbon Steel Ring Spacer Flange: | ASTM A694 F42, F52, F60, F65 |
| Alloy Steel Ring Spacer Flange: | ASTM A182 F5, F9, F11, F22, F1, F5/F5a, F91 |
| Duplex & Super Duplex Ring Spacer Flange: | ASTM A182, ASME SA182 Duplex 2205 (UNS S31803 – UNS S32205), Super Duplex 2507 (UNS S32750 – UNS S32760) |
| Nickel Alloy Ring Spacer Flange: | ASTM / ASME SB B160 / B166 / B564 / B425/ B564 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C276 ), Cupro Nickel 90/10 ( C70600, 2.0872 ), 70/30 ( C71500, 2.0882) |
| Other Steel Ring Spacer Flange: | ASTM B381 Titanium Grade 2 ( R50400, 3.7035 ), Titanium Grade 5 ( N56400, 3.7165 ), ASTM B462 Alloy 20, ASTM A182 SMO 254/AL-6XN ( S31254, 1.4547 ), AISI 4130 ( G41300, 1.7218 ) |
ASME B16.48 Ring Spacer Flanges Dimensions Chart
ASME B16.48 Ring Spacer Flange - Dimensions Chart
Dimensions of Class 150 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 45 | 16 | 126 | 3 | 32 |
| 3/4 | 54 | 21 | 131 | 3 | 32 |
| 1 | 64 | 27 | 136 | 3 | 32 |
| 1¼ | 73 | 42 | 145 | 6.4 | 32 |
| 1½ | 83 | 48 | 145 | 6.4 | 32 |
| 2 | 102 | 61 | 155 | 6.4 | 32 |
| 2½ | 107 | 73 | 170 | 6.4 | 32 |
| 3 | 133 | 89 | 170 | 6.4 | 32 |
| 3½ | 159 | 102 | 202 | 9.7 | 38 |
| 4 | 172 | 114 | 202 | 9.7 | 38 |
| 5 | 194 | 141 | 225 | 9.7 | 38 |
| 6 | 219 | 168 | 225 | 12.7 | 38 |
| 8 | 276 | 219 | 267 | 12.7 | 38 |
| 10 | 337 | 273 | 322 | 15.7 | 44 |
| 12 | 406 | 324 | 357 | 19.1 | 44 |
| 14 | 448 | 356 | 378 | 19.1 | 44 |
| 16 | 511 | 406 | 410 | 22.4 | 44 |
| 18 | 546 | 457 | 427 | 25.4 | 51 |
| 20 | 603 | 508 | 455 | 28.4 | 51 |
| 24 | 714 | 610 | 512 | 31.8 | 51 |
Dimensions of Class 300 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 51 | 16 | 129 | 6.4 | 32 |
| 3/4 | 64 | 21 | 136 | 6.4 | 32 |
| 1 | 70 | 27 | 139 | 6.4 | 32 |
| 1¼ | 79 | 42 | 150 | 6.4 | 32 |
| 1½ | 92 | 48 | 150 | 6.4 | 32 |
| 2 | 108 | 61 | 158 | 9.7 | 32 |
| 2½ | 127 | 73 | 177 | 9.7 | 32 |
| 3 | 146 | 89 | 177 | 9.7 | 32 |
| 3½ | 162 | 102 | 205 | 12.7 | 38 |
| 4 | 178 | 114 | 205 | 12.7 | 38 |
| 5 | 213 | 141 | 240 | 15.7 | 38 |
| 6 | 248 | 168 | 240 | 15.7 | 38 |
| 8 | 305 | 219 | 281 | 22.4 | 38 |
| 10 | 359 | 273 | 333 | 25.4 | 44 |
| 12 | 419 | 324 | 363 | 28.4 | 44 |
| 14 | 483 | 356 | 395 | 31.8 | 44 |
| 16 | 536 | 406 | 422 | 38.1 | 44 |
| 18 | 594 | 457 | 450 | 41.1 | 51 |
| 20 | 651 | 508 | 480 | 44.5 | 51 |
| 24 | 772 | 610 | 540 | 50.8 | 51 |
Dimensions of Class 600 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 51 | 16 | 129 | 6.4 | 32 |
| 3/4 | 64 | 21 | 136 | 6.4 | 32 |
| 1 | 70 | 27 | 139 | 6.4 | 32 |
| 1¼ | 79 | 37 | 150 | 9.7 | 32 |
| 1½ | 92 | 43 | 150 | 9.7 | 32 |
| 2 | 108 | 55 | 158 | 9.7 | 32 |
| 2½ | 127 | 67 | 177 | 12.7 | 32 |
| 3 | 146 | 83 | 177 | 12.7 | 32 |
| 3½ | 159 | 96 | 211 | 15.7 | 38 |
| 4 | 191 | 108 | 211 | 15.7 | 38 |
| 5 | 238 | 135 | 248 | 19.1 | 38 |
| 6 | 264 | 162 | 248 | 22.4 | 38 |
| 8 | 318 | 212 | 288 | 28.4 | 38 |
| 10 | 397 | 265 | 352 | 35.1 | 44 |
| 12 | 454 | 315 | 381 | 41.1 | 44 |
| 14 | 489 | 346 | 398 | 44.5 | 44 |
| 16 | 562 | 397 | 435 | 50.8 | 44 |
| 18 | 610 | 448 | 459 | 53.8 | 51 |
| 20 | 679 | 497 | 493 | 63.5 | 51 |
| 24 | 787 | 597 | 547 | 73.2 | 51 |
Dimensions of Class 900 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 60 | 16 | 134 | 6.4 | 32 |
| 3/4 | 67 | 21 | 137 | 6.4 | 32 |
| 1 | 76 | 27 | 142 | 6.4 | 32 |
| 1¼ | 86 | 37 | 151 | 9.7 | 32 |
| 1½ | 95 | 43 | 151 | 9.7 | 32 |
| 2 | 140 | 55 | 174 | 12.7 | 32 |
| 2½ | 162 | 67 | 186 | 12.7 | 32 |
| 3 | 165 | 83 | 186 | 15.7 | 32 |
| 4 | 203 | 108 | 217 | 19.1 | 38 |
| 5 | 244 | 135 | 259 | 22.4 | 38 |
| 6 | 286 | 162 | 259 | 25.4 | 38 |
| 8 | 356 | 212 | 307 | 35.1 | 38 |
| 10 | 432 | 265 | 370 | 41.1 | 44 |
| 12 | 495 | 315 | 401 | 47.8 | 44 |
| 14 | 518 | 346 | 412 | 53.8 | 44 |
| 16 | 572 | 397 | 440 | 60.5 | 44 |
| 18 | 635 | 448 | 471 | 66.5 | 51 |
| 20 | 696 | 497 | 501 | 73.2 | 51 |
| 24 | 835 | 597 | 571 | 88.9 | 51 |
Dimensions of Class 1500 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 61 | 16 | 135 | 6.4 | 32 |
| 3/4 | 67 | 21 | 137 | 9.7 | 32 |
| 1 | 76 | 27 | 142 | 9.7 | 32 |
| 1¼ | 86 | 35 | 151 | 9.7 | 32 |
| 1½ | 95 | 41 | 151 | 12.7 | 32 |
| 2 | 140 | 53 | 174 | 12.7 | 32 |
| 2½ | 162 | 63 | 190 | 15.7 | 32 |
| 3 | 172 | 78 | 190 | 19.1 | 32 |
| 4 | 206 | 102 | 219 | 22.4 | 38 |
| 5 | 251 | 128 | 256 | 28.4 | 38 |
| 6 | 279 | 154 | 256 | 35.1 | 38 |
| 8 | 349 | 203 | 303 | 41.1 | 38 |
| 10 | 432 | 255 | 370 | 50.8 | 44 |
| 12 | 518 | 303 | 412 | 60.5 | 44 |
| 14 | 575 | 333 | 442 | 66.5 | 44 |
| 16 | 638 | 381 | 472 | 76.2 | 44 |
| 18 | 702 | 429 | 504 | 85.9 | 51 |
| 20 | 752 | 478 | 530 | 95.3 | 51 |
| 24 | 899 | 575 | 603 | 111.3 | 51 |
Dimensions of Class 2500 Ring Spacer Flanges as per ASME B16.48
| NPS | Outside Dia A |
Inside Dia B |
Center to End C |
Thick ness T |
Handle Width W |
|---|---|---|---|---|---|
| 1/2 | 67 | 16 | 137 | 9.7 | 32 |
| 3/4 | 73 | 21 | 140 | 9.7 | 32 |
| 1 | 83 | 27 | 145 | 9.7 | 32 |
| 1¼ | 102 | 35 | 161 | 12.7 | 32 |
| 1½ | 114 | 41 | 161 | 15.7 | 32 |
| 2 | 143 | 53 | 175 | 15.7 | 32 |
| 2½ | 165 | 63 | 201 | 19.1 | 32 |
| 3 | 194 | 78 | 201 | 22.4 | 32 |
| 4 | 232 | 102 | 232 | 28.4 | 38 |
| 5 | 276 | 128 | 273 | 35.1 | 38 |
| 6 | 314 | 154 | 273 | 41.1 | 38 |
| 8 | 384 | 198 | 321 | 53.8 | 38 |
| 10 | 473 | 248 | 390 | 66.5 | 44 |
| 12 | 546 | 289 | 427 | 79.2 | 44 |
Ring Spacer Flanges ASME B16.48 Tolerance
| RING SPACER FLANGES | ||||
|---|---|---|---|---|
| O | Outside Diameter | When O is 24″ or less When O is over 24″ |
±0.06″ ±0.12″ | ±1.6 mm ±3.2 mm |
| R | Diameter of Contact Face | 0.06″ (1.6 mm) raised face 0.25″ (6.4 mm) raised face | ±0.03″ ±0.02″ | ±0.8 mm ±0.5 mm |
| B | Inside Diameter at Face of Socket Welding Flanges
Inside Diameter of Slip-On, Lap Joint, and Socket Welding |
NPS 10 and smaller NPS 12 through 18, inclusive NPS 20 and larger |
±0.03″ ±0.06″ +0.12″, -0.06″ | ±0.8 mm ±1.6 mm +3.2 mm, -1.6 mm |
| NPS 10 and smaller NPS 12 and larger |
+0.03″, -0.00″ +0.06″, -0.00″ | +0.8 mm, -0.0 +1.6 mm, -0.0 mm |
||
| Q | Counterbore, Threaded Flanges | NPS 10 and smaller NPS 12 and larger |
+0.03″, -0.00″ +0.06″, -0.00″ | +0.8 mm, -0.0 + 1.6 mm, -0.0 mm |
| X | Diameter of Hub at Base | NPS 12 and smaller NPS 14 and larger |
+0.09″, -0.06″ ±0.12″ | +2.4 mm, -1.6 ±3.2 mm |
| c | Thickness | NPS 18 and smaller NPS 20 and larger |
+0.12″, -0.00″ +0.19″, -0.00″ | +3.2 mm, -0.0 +4.8 mm, -0.0 mm |
| Drilling | Bolt Circle Diameter Bolt Hole Spacing | ±0.06″ ±0.03″ | ±1.6 mm ±0.8 mm |
|
| Eccentricity of Bolt Circle and Facing with Respect to Bore | NPS 2V2 and smaller NPS 3 and larger |
±0.03″ ±0.06″ | ±0.8 mm ±1.6 mm |
|
| Overall Length Through Hub | NPS 18 and smaller NPS 20 and larger |
+0.12”, -0.03” +0.19”, -0.03” |
+3.2 mm, -0.8 mm +4.8 mm, -1.6 mm |
|
MSS SP-44 Ring Spacer Flanges Applications
Oil and Gas
Nuclear Power & Defence
Petrochemical
LNG
Desalination
Mining & Minerals
Myanmar, Nepal, Thailand, Vietnam, Philippines, Malaysia, Indonesia,
Singapore, Taiwan, Tasmania, Sri Lanka, Bangladesh, Bhutan, Cambodia,
Australia, New Zealand, Afghanistan, Tajikistan, Kyrgyzstan, Kazakhstan,
Uzbekistan, Turkmenistan, Iran, United Arab Emirates(UAE), Saudi Arabia,
Oman, Yemen, Iraq, Azerbaijan, Turkiye, Syria, Lebanon, Israel, Kenya,
Egypt, South Sudan, Eritrea, Djibouti, Ethiopia, Libya, Rwanda, Mali,
Niger, Chad, Central Africa Republic, Nigeria, Cameroon, Somalia, DRC,
Uganda, Tanzania, Angola, Zambia, Madagascar, Malawi, Namibia, Benin,
Zimbabwe, Botswana, Lesotho, South Africa, Algeria, Tunisia, Morocco,
Eswatini, Liberia, Sierra Leone, The Gambia, Senegal, Mozambique, Togo,
Mauritania, Burkina Faso, Ghana, Equatorial Guinea, Jordan, Timor-Leste,
Palestine, Laos, Armenia, Georgia, Maldives, Cyprus, Kuwait, Qatar, Peru,
Bahrain, Brunei, Finland, France, Germany, Ireland, Iceland, UK, US,
Greece, Hungary, Italy, Norway, Poland, Slovakia, Sweden, Canada, Fiji,
Romania, Cuba, Panama, Brazil, Colombia, Chile, Argentina, Venezuela,
Naypyidaw, Kathmandu, Bangkok, Hanoi, Manila, Kuala Lumpur, Jakarta, Tunis,
Jurong East, Taipei City, Hobart, Sri Jayawardenepura Kotte, Dhaka, Thimphu,
Phnom Penh, Canberra, Wellington, Kabul, Dushanbe, Bishkek, Astana, Abuja,
Tashkent, Ashgabat, Tehran, Abu Dhabi, Riyadh, Muscat, Sana’a, Baghdad, Pretoria,
Baku, Ankara, Damascus, Beirut, Jerusalem, Nairobi, Cairo, Juba, Asmara, Rabat,
Djibouti city, Addis Ababa, Tripoli, Kigali, Bamako, Niamey, N’Djamena, Bangui,
Yaoundé, Mogadishu, Kinshasa, Kampala, Dodoma, Luanda, Lusaka, Antananarivo,
Lilongwe, Windhoek, Porto-Novo, Harare, Gaborone, Maseru, Cape Town, Bloemfontein,
Algiers, Mbabane, Lobamba, Monrovia, Freetown, Banjul, Dakar, Maputo, Lomé, Dili,
Nouakchott, Ouagadougou, Accra, Malabo, Amman, Vientiane, Yerevan, Tbilisi, Rome,
Malé, Nicosia, Kuwait City, Doha, Lima, Manama, Bandar Seri Begawan, Paris,
Helsinki, Berlin, Dublin, Reykjavík, London, Washington D.C., Athens, Budapest,
Oslo, Warsaw, Bratislava, Stockholm, Ottawa, Suva, Bucharest, Havana, Panama City,
Brasília, Bogotá, Santiago, Buenos Aires, Caracas, Mumabi, Chennai, Bengaluru,
Kolkata, Hyderabad, Pune, Ahmedabad, Jaipur, Surat, Visakhapatnam, Indore, New Delhi
Lucknow, Nagpur, Kochi, Kanpur, Guwahati, Coimbatore, Noida, Ghaziabad, Patna
