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Standard Flange Gasket Size Chart
Full Face and Ring Type Flange 
Gasket in both Low and High Pressure Standard Sizes
  
  
    
    
    
    
    
    
    
    
    
    
      | 
		
      StdFlange
 Size
 È
   |  |  |  
      | 
		125-150 LB | 
		250-300LB | 
		125-150 LB | 
		250-300 LB |  
            | 
			OD | 
			ID | 
              OD | 
              ID | 
		OD | 
		ID | 
		Holes | 
		HoleDia.
 | 
      BoltCircle
 Dia.
 | 
      OD | 
      ID | 
      Holes | 
      HoleDia.
 | 
      BoltCircle
 Dia.
 |  
      | 
      1/2" | 
			1  7/8 | 
			27/32 | 
              2  1/8 | 
              27/32 | 
		3  1/2 | 
		27/32 | 
		4 | 
		5/8 | 
		2  3/8 | 
      3  3/4 | 
      27/32 | 
      4 | 
      5/8 | 
      2  5/8 |  
      | 
      3/4" | 
			2  1/4 | 
			1  1/16 | 
              2  5/8 | 
              1  1/16 | 
		3  7/8 | 
		1  1/16 | 
		4 | 
		5/8 | 
		2  3/4 | 
      4  5/8 | 
      1  1/16 | 
      4 | 
      3/4 | 
      3  1/4 |  
      | 
      1" | 
			2  5/8 | 
			1  5/16 | 
              2  7/8 | 
              1  5/16 | 
		4  1/4 | 
		1  5/16 | 
		4 | 
		5/8 | 
		3  1/8 | 
      4  7/8 | 
      1  5/16 | 
      4 | 
      3/4 | 
      3  1/2 |  
      | 
      1  1/4" | 
			3 | 
			1  21/32 | 
              3  1/4 | 
              1  21/32 | 
		4  5/8 | 
		1  21/32 | 
		4 | 
		5/8 | 
		3  1/2 | 
      5  1/4 | 
      1  21/32 | 
      4 | 
      3/4 | 
      3  7/8 |  
      | 
      1  1/2" | 
			3  3/8 | 
			1  29/32 | 
              3  3/4 | 
              1  29/32 | 
		5 | 
		1  29/32 | 
		4 | 
		5/8 | 
		3  7/8 | 
      6  1/8 | 
      1  29/32 | 
      4 | 
      3/4 | 
      4  1/2 |  
      | 
      2" | 
			4  1/8 | 
			2  3/8 | 
              4  3/8 | 
              2  3/8 | 
		6 | 
		2  3/8 | 
		4 | 
		3/4 | 
		4  3/4 | 
      6  1/2 | 
      2  3/8 | 
      8 | 
      7/8 | 
      5 |  
      | 
      2  1/2" | 
			4  7/8 | 
			2  7/8 | 
              5  1/8 | 
              2  7/8 | 
		7 | 
		2  7/8 | 
		4 | 
		3/4 | 
		5  1/2 | 
      7  1/2 | 
      2  7/8 | 
      8 | 
      7/8 | 
      5  7/8 |  
      | 
      3" | 
			5  3/8 | 
			3  1/2 | 
              5  7/8 | 
              3  1/2 | 
		7  1/2 | 
		3  1/2 | 
		4 | 
		3/4 | 
		6 | 
      8  1/4 | 
      3  1/2 | 
      8 | 
      7/8 | 
      6  5/8 |  
      | 
      3  1/2" | 
			6  3/8 | 
			4 | 
              6  1/2 | 
              4 | 
		8  1/2 | 
		4 | 
		8 | 
		3/4 | 
		7 | 
      9 | 
      4 | 
      8 | 
      7/8 | 
      7  1/4 |  
      | 
      4" | 
			6  7/8 | 
			4  1/2 | 
              7  1/8 | 
              4  1/2 | 
		9 | 
		4  1/2 | 
		8 | 
		3/4 | 
		7  1/2 | 
      10 | 
      4  1/2 | 
      8 | 
      7/8 | 
      7  7/8 |  
      | 
      4  1/2" | 
			7 | 
			5 | 
              7  5/8 | 
              5 | 
		9  1/4 | 
		5 | 
		8 | 
		3/4 | 
		7  3/4 | 
      10  1/2 | 
      5 | 
      8 | 
      7/8 | 
      8  1/2 |  
      | 
      5" | 
			7  3/4 | 
			5  9/16 | 
              8  1/2 | 
              5  9/16 | 
		10 | 
		5  9/16 | 
		8 | 
		7/8 | 
		8  1/2 | 
      11 | 
      5  9/16 | 
      8 | 
      7/8 | 
      9  1/4 |  
      | 
      6" | 
			8  3/4 | 
			6  5/8 | 
              9  7/8 | 
              6  5/8 | 
		11 | 
		6  5/8 | 
		8 | 
		7/8 | 
		9  1/2 | 
      12  1/2 | 
      6  5/8 | 
      12 | 
      7/8 | 
      10  5/8 |  
      | 
      7" | 
			10 | 
			7  5/8 | 
              10  7/8 | 
              7  5/8 | 
		12  1/2 | 
		7  5/8 | 
		8 | 
		7/8 | 
		10  3/4 | 
      14 | 
      7  5/8 | 
      12 | 
      7/8 | 
      11  7/8 |  
      | 
      8" | 
			11 | 
			8  5/8 | 
              12  1/8 | 
              8  5/8 | 
		13  1/2 | 
		8  5/8 | 
		8 | 
		7/8 | 
		11  3/4 | 
      15 | 
      8  5/8 | 
      12 | 
      1 | 
      13 |  
      | 
      9" | 
			12  1/2 | 
			9  5/8 | 
              12  7/8 | 
              9  5/8 | 
		15 | 
		9  5/8 | 
		12 | 
		7/8 | 
		13  1/4 | 
      16  1/4 | 
      9  5/8 | 
      12 | 
      1 | 
      14 |  
      | 
      10" | 
			13  3/8 | 
			10  3/4 | 
              14  1/4 | 
              10  3/4 | 
		16 | 
		10  3/4 | 
		12 | 
		1 | 
		14  1/4 | 
      17  1/2 | 
      10  3/4 | 
      16 | 
      1  1/8 | 
      15  1/4 |  
      | 
      12" | 
			16  1/8 | 
			12  3/4 | 
              16  5/8 | 
              12  3/4 | 
		19 | 
		12  3/4 | 
		12 | 
		1 | 
		17 | 
      20  1/2 | 
      12  3/4 | 
      16 | 
      1  1/4 | 
      17  3  4 |  
      | 
      14" | 
			17  3/4 | 
			14 | 
              19  1/8 | 
              14 | 
		21 | 
		14 | 
		12 | 
		1  1/8 | 
		18  3/4 | 
      23 | 
      14 | 
      20 | 
      1  1/4 | 
      20  1/4 |  
      | 
      15' | 
			19 | 
			15 |  |  | 
		22  1/4 | 
		15 | 
		16 | 
		1  1/8 | 
		20 |  |  |  |  |  |  
      | 
      16" | 
			20  1/4 | 
			16 | 
              21  1/4 | 
              16 | 
		23  1/2 | 
		16 | 
		16 | 
		1  1/8 | 
		21  1/4 | 
      25  1/2 | 
      16 | 
      20 | 
      1  3/8 | 
      22  1/2 |  
      | 
      18" | 
			21  5/8 | 
			18 | 
              23  1/2 | 
              18 | 
		25 | 
		18 | 
		16 | 
		1  1/4 | 
		22  3/4 | 
      28 | 
      18 | 
      24 | 
      1  3/8 | 
      24  3/4 |  
      | 
      20" | 
			23  3/8 | 
			20 | 
              25  3/4 | 
              20 | 
		27  1/2 | 
		20 | 
		20 | 
		1  1/4 | 
		25 | 
      30  1/2 | 
      20 | 
      24 | 
      1  3/8 | 
      27 |  
      | 
      22" | 
			26 | 
			22 | 
              27  3/4 | 
              22 | 
		29  1/2 | 
		22 | 
		20 | 
		1  1/4 | 
		27  1/4 | 
      33 | 
      22 | 
      24 | 
      1  3/8 | 
      29  1/4 |  
      | 
      24" | 
			28  1/4 | 
			24 | 
              30  1/2 | 
              24 | 
		32 | 
		24 | 
		20 | 
		1  3/8 | 
		29  1/2 | 
      36 | 
      24 | 
      24 | 
      1  5/8 | 
      32 |  
      | 
      26" | 
			30  1/2 | 
			26 | 
              32  7/8 | 
              26 | 
		34  3/4 | 
		26 | 
		24 | 
		1  3/8 | 
		31  3/4 | 
      38  1/4 | 
      26 | 
      28 | 
      1  5/8 | 
      34  1/2 |  
      | 
      28" | 
			32  3/4 | 
			28 | 
              35  3/8 | 
              28 | 
		36  1/2 | 
		28 | 
		26 | 
		1  3/8 | 
		34 | 
      40  3/4 | 
      28 | 
      28 | 
      1  5/8 | 
      37 |  
      | 
      30" | 
			34  3/4 | 
			30 | 
              37  1/2 | 
              30 | 
		38  3/4 | 
		30 | 
		28 | 
		1  3/8 | 
		36 | 
      43 | 
      30 | 
      28 | 
      1  7/8 | 
      39  1/4 |  
      | 
      32" | 
			38 | 
			32 | 
              39  5/8 | 
              32 | 
		41  3/4 | 
		32 | 
		28 | 
		1  5/8 | 
		38  1/2 | 
      45  1/4 | 
      32 | 
      28 | 
      1  7/8 | 
      41  1/2 |  
      | 
      34" | 
			39 | 
			34 | 
              41  5/8 | 
              34 | 
		43  3/4 | 
		34 | 
		32 | 
		1  5/8 | 
		40  1/2 | 
      47  1/2 | 
      34 | 
      28 | 
      1  7/8 | 
      43  1/2 |  
      | 
      36" | 
			41  1/4 | 
			36 | 
              44 | 
              36 | 
		46 | 
		36 | 
		32 | 
		1  5/8 | 
		42  3/4 | 
      50 | 
      36 | 
      32 | 
      2  1/8 | 
      46 |  
      | 
      38" | 
			43  5/8 | 
			38 | 
              46  1/8 | 
              38 | 
		48  3/4 | 
		38 | 
		36 | 
		1  5/8 | 
		45  1/4 | 
      52  1/4 | 
      38 | 
      32 | 
      2  1/8 | 
      48 |  
      | 
      40' | 
			45  5/8 | 
			40 | 
              48  3/4 | 
              40 | 
		50  3/4 | 
		40 | 
		36 | 
		1  5/8 | 
		47  1/4 | 
      54  1/4 | 
      40 | 
      36 | 
      2  1/8 | 
      50  1/4 |  
      | 
      42" | 
			48 | 
			42 | 
              50  3/4 | 
              42 | 
		53 | 
		42 | 
		36 | 
		1  5/8 | 
		49  1/2 | 
      57 | 
      42 | 
      36 | 
      2  1/8 | 
      52  3/4 |  
      | 
      44" | 
			50  1/8 | 
			44 | 
              53 | 
              44 | 
		55  1/4 | 
		44 | 
		40 | 
		1  5/8 | 
		51  3/4 | 
      59  1/4 | 
      44 | 
      36 | 
      2  1/8 | 
      55 |  
      | 
      46" | 
			52  1/8 | 
			46 | 
              55  1/4 | 
              46 | 
		57  1/4 | 
		46 | 
		40 | 
		1  5/8 | 
		53  3/4 | 
      61  1/2 | 
      46 | 
      40 | 
      2  1/8 | 
      57  1/4 |  
      | 
      48" | 
			54  1/2 | 
			48 | 
              58  3/4 | 
              48 | 
		59  1/2 | 
		48 | 
		44 | 
		1  5/8 | 
		56 | 
      65 | 
      48 | 
      40 | 
      2  1/8 | 
      60  3/4 |  
      |  |  |  ● Dimensions per ANSI 
						B16.5 standard for pipe flanges and gaskets.● Dimensional Tolerances (unless otherwise stated) 
						through 1" @ +/- 1/32", from 1" through 12" @ +/- 1/16", 
						from 12" through 24" @+/- 3/32", and over 24" @ +/- 
						1/4".
 ● "New Style" Flange Gasket dimensions are listed, but 
						"Old Style" are also available. The only difference is 
						that "New Style" have a slightly enlarged ID on 12" and 
						below so as not to obstruct flow when compressed (bolt 
						holes/circles unaffected).
 ● Standard Pipe Flange Gaskets are SBR Rubber (a.k.a. 
						Red Rubber), but Neoprene, EPDM, Buna N, Silicone, Viton 
						(Fluoroelastomer), and other rubber compounds are also 
						readily available.
 ● Gasket thicknesses between 1/16" and 3/8" are readily 
						available in most materials; standard hardness options 
						include 40 through 80 durometer (Shore A).
 جهت مشاهده توضیحات
						
						انواع گسکت کلیک کنید.جهت سفارش انواع 
						گسکست با شماره تلفن 09126271381 
						تماس حاصل فرمایید.
 (For 
						ordering gaskets
						please contact
						the phone number 
						09126271381). |