We at Dhanratan Steel Industries are one of the leading slip on flange suppliers in the Philippines, and we provide quality products to different industries. The slip on flanges which we manufacture in MS are highly acclaimed for their sturdiness, accurate finish and high pressure compatibility. We offer a wide range of project needs if you require a slip on flat face flange or any other type.
Slip-on Flanges Suppliers in Philippines, Stainless Steel Slip-on Flanges Supplier in Philippines, Carbon Steel Slip-on Flanges Stockists, Slip-on Flanges Dealers, Slip-on Flanges Exporters in Philippines.
The slip on flanges we offer are employed in the industries like oil and gas, petrochemicals, power generation, water treatment, shipbuilding and many more. These flanges are intended to be installed easily, making them suitable for use in operations where they are easy to assemble and disassemble. They possess good structural characteristics, can be used in low-pressure piping systems and have good mechanical strength.
We appreciate the need to be cost-effective and offer affordable slip-on flange prices. This helps ensure that our clients get the best value for their money without sacrificing quality. The costs depend on the size, the grade of the material, and the particular customer demand but we offer affordable prices for every customer.
Slip on Flange Manufacturers in Philippines, Slip On Flange Class 150, A350 LF2 CL1 Slip On Flange RF, A182 F304 SO Flange Meaning, Class 600 Slip-on Flange A182 F316, We are ISO Certified Manufacturer and Stockist of Slip On Flanges in Stainless Steel, Carbon Steel, Mild Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Hastelloy, Monel, Copper Nickel, Inconel, Incoloy, Nickel Alloy, Alloy 20, 254 Smo, Titanium, Bronze, Aluminium, Brass at Reasonable Price.
All our flanges are tested for quality and come with the ASTM, ANSI, and DIN standards of quality. These certifications are a testimony to our flanges, which are safe and perform to the best standards in the market. We also offer material test certificates to guarantee the origin and quality of the materials incorporated into the products.
Delivery of the assignments is an important factor in our service. We also have a strong supply chain system to ensure client’s products are delivered to them in the Philippines and other parts of the world within the shortest time possible. Whether it is a large quantity order or a particular requirement, we make sure our flanges are delivered on time.

Specifications of Slip on Flange in Philippines
ASME B16.9 Slip on Flange Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
ASME B16.5 SORF Plate Flanges Size | 1/2″ (15 NB) to 48″ (1200NB) |
ASME B16.5 SORF Pipe Flanges Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc. |
Flange Face Type | ASME B16.9 Flate Face (FF), ASME B16.9 Raised Face (RF), ASME B16.9 Ring Type Joint (RTJ) |
Value-Added Services | CNC Machining, Customised Flanges |
Slip-on Raised Face Flanges For DIN | DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673 |
Stainless Steel slip on flange flat face For BS | BS4504 , BS4504, BS1560, BS10 |
Slip-On Flange Manufacturers & Coating/Surface Treatment | Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Material & Grades of Slip on Flange in Philippines
Stainless Steel Slip on Flange : ASTM / ASME 201, 202, 301, 304, 304L, 310, 310S, 316L, 316TI, 317, 317L, 321, 347, 409, 409M, 409L, 410, 410S, 420, 430, 431, 441, 444, 446, 17.4PH, 904L
Super Duplex Steel Slip on Flange : S32750
Duplex Steel Slip on Flange : UNS NO S31803, S32205, S32550, S32750, S32760.
Carbon Steel Slip on Flange : ASTM A105 / ASME SA105 ASTM / ASME A 350 , ASTM A181 LF2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Slip on Flange: ASTM A350, LF2, LF3
Alloy Steel Slip on Flange : ASTM / ASME A 182 GRP1 CR , 1 1/4 CR , 2 1/4 CR , 5 CR , 9CR , 91.
Nickel Alloys Slip on Flange : Nickel Alloys 200, Nickel Alloys 201
Titanium Slip on Flange : Grade 1, Grade 4, Grade 5(Ti 6Al-4V), Grade 6(Ti 5Al-2.5Sn), Grade 7, Grade 11, Grade 12, 8Ai-1Mo-1V, Grade 9(3Al-2.5V), 6Al-6V-25n, 6Al-2Sn-4Zr-2Mo, 6Al-7Nb, Grade 23(Ti 6AL-4V ELI), Grade 5 ELI
Inconel Slip on Flange : Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L
Hastelloy Slip on Flange : Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
Molybdenum Slip on Flange : ASTM / ASME A 182 GR F 5, F 9 , F 11 , F 12 , F 22 , F 91, ASTM B387, Ferro Molybdenum
Cobalt Slip on Flange : Cobalt HS-6, Cobalt HS-4, Cobalt HS-25, Sterlite Grade 1, Sterlite Grade 6, Sterlite Grade 12, Sterlite Grade 21
Niobium Slip on Flange : ASTM B394, R04200 R04210
Nimonic Slip on Flange : Nimonic75, Nimonic80, Nimonic85, Nimonic90, Nimonic263, etc
Tungsten Slip on Flange : W1 WAl1, W61, etc, Carbonide Tungsten, Copper Tungsten, Nickel Tungsten
Nichrome Slip on Flange : Nichrome90, Nichrome80, Nichrome80A, Nichrome RW80, Nichrome75, etc
Magnesium Slip on Flange : Magnesium AL017100, AL017140, AL017150, AL017160, AL017200, AL017210, AL017250, etc.
Tantalum Slip on Flange : Tantalum – Grade 1.
Monel Slip on Flange : Monel 400, Monel k500
MU-METAL Slip on Flange : MU-METAL
Zirconium Slip on Flange : Zirconium 702, Zirconium 705, Zirconium 705, Zirconium-2, Zirconium-4
Beryllium Copper Slip on Flange : Alloy 25 UNSC17200
Aluminium Slip on Flange : 1050,1100, 2017, 7150, 7178, 7575, 2050, 7085, 2011 A92011, 2014A A92014, 2024 A92024, 2219, 5052 A95052, 5083 A95083, 5754, 6061 A96061 A86061, 6063, 6082 A96082, 7071 7020, 7050 A97050, 7075 A97075 A87075, 7175
Copper Alloys Slip on Flange : C 11000, C 10200, C 12200, C 51100, C 51000, C 51900, C 52000, C 52100, C 74500, C 75700, C 75400, C 76400, C 77000, C 21000, C 22000, C 23000, C 24000, C 26000, C 26800, C 27000, C 27200, C 28000
ASTM / ASME / AISI Slip-on Flanges Dimension & Sizes of Slip on Flange in Philippines
ANSI/ASME/ASA B16.5 150lb/sq.in. Flanges SO-RF | ||||||||||
ø | D | b | g | m | J | h | k | Holes | l | Kg. |
1/2″ | 88,9 | 11,1 | 34,9 | 30,2 | 22,3 | 15,9 | 60,3 | 4 | 15,9 | 0,400 |
3/4″ | 98,4 | 12,7 | 42,9 | 38,1 | 27,7 | 15,9 | 69,8 | 4 | 15,9 | 0,700 |
1″ | 107,9 | 14,3 | 50,8 | 49,2 | 34,5 | 17,5 | 79,4 | 4 | 15,9 | 0,800 |
1 1/4″ | 117,5 | 15,9 | 63,5 | 58,8 | 43,2 | 20,6 | 88,9 | 4 | 15,9 | 1,100 |
1 1/2″ | 127,0 | 17,5 | 73,0 | 65,1 | 49,5 | 22,2 | 98,4 | 4 | 15,9 | 1,400 |
2″ | 152,4 | 19,0 | 92,1 | 77,8 | 62,0 | 25,4 | 120,6 | 4 | 19,0 | 2,200 |
2 1/2″ | 177,8 | 22,2 | 104,8 | 90,5 | 74,7 | 28,6 | 139,7 | 4 | 19,0 | 3,600 |
3″ | 190,5 | 23,8 | 127,0 | 107,9 | 90,7 | 30,2 | 152,4 | 4 | 19,0 | 4,100 |
3 1/2″ | 215,9 | 23,8 | 139,7 | 122,2 | 103,4 | 31,7 | 177,8 | 8 | 19,0 | 5,200 |
4″ | 228,6 | 23,8 | 157,2 | 134,9 | 116,1 | 33,3 | 190,5 | 8 | 19,0 | 5,600 |
5″ | 254,0 | 23,8 | 185,7 | 163,6 | 143,8 | 36,5 | 215,9 | 8 | 22,2 | 6,300 |
6″ | 279,4 | 25,4 | 215,9 | 192,1 | 170,7 | 39,7 | 241,3 | 8 | 22,2 | 7,500 |
8″ | 342,9 | 28,6 | 269,9 | 246,1 | 221,5 | 44,4 | 298,4 | 8 | 22,2 | 12,600 |
10″ | 406,4 | 30,2 | 323,8 | 304,8 | 276,3 | 49,2 | 361,9 | 12 | 25,4 | 18,500 |
12″ | 482,6 | 31,7 | 381,0 | 365,1 | 327,1 | 55,6 | 431,8 | 12 | 25,5 | 28,000 |
14″ | 533,4 | 34,9 | 412,7 | 400,0 | 359,1 | 57,1 | 476,2 | 12 | 28,6 | 36,000 |
16″ | 596,9 | 36,5 | 469,9 | 457,2 | 410,5 | 63,5 | 539,7 | 16 | 28,6 | 46,000 |
18″ | 635,0 | 39,7 | 533,4 | 504,8 | 461,8 | 68,3 | 577,8 | 16 | 31,7 | 50,000 |
20″ | 698,5 | 42,9 | 584,2 | 558,8 | 513,1 | 73,0 | 635,0 | 20 | 31,7 | 64,000 |
22″ | 749,3 | 46,0 | 641,2 | 609,6 | 564,4 | 79,4 | 692,1 | 20 | 34,9 | 72,000 |
24″ | 812,8 | 47,6 | 692,1 | 663,6 | 615,9 | 82,5 | 749,3 | 20 | 34,9 | 89,000 |
ASTM / ASME / AISI Slip-on Flanges Weight Chart in Philippines
CLASS | Nominal Pipe Size | Socket Weld |
150 lb | ½ | 2 |
¾ | 2 | |
1 | 2 | |
1¼ | 3 | |
1½ | 3 | |
2 | 5 | |
2½ | 8 | |
3 | 9 | |
3½ | 11 | |
4 | 13 | |
5 | 15 | |
6 | 19 | |
8 | 30 | |
10 | 43 | |
12 | 64 | |
14 | 90 | |
16 | 98 | |
18 | 130 | |
20 | 165 | |
22 | 185 | |
24 | 220 |
Materials of Slip on Flanges in Philippines

Stainless Steel Slip on Flanges in Philippines

Alloy Steel Slip on Flanges in Philippines

Carbon Steel Slip on Flanges in Philippines

Duplex Steel Slip on Flanges in Philippines

Super Duplex Steel Slip on Flanges in Philippines

Nickel Alloy Slip on Flanges in Philippines
Slip on Flange Industrial Application in Philippines
- Transporting Materials Industry
- Automotive industry
- Homes and Buildings Industry
- Plumbing Industry
- Food Processing Industry
- Paper & Pulp Industry
- Food Industry
- Heating & Air-conditioning Equipment
- Sewerage Systems & Industrial Water Lines
- Marine Applications
- Nuclear Power Industry
- Fossil Fuel Power Plants Industry