Backing Rings

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  6. Backing Rings Galvanised PN21

Backing Rings Galvanised PN21

  • Application: Above ground and buried
  • Sealing Integrity: Even load distribution
  • Suitable: Gas, Water, Slurry, Compressed Air and Corrosive systems
  • Material: Galvanised Steel
  • Made to AS 4087
Custom Option

Backing Rings - Galvanised - PN21

Variants: 20

#CodeSize (mm)D1 (mm)D2 (mm)S1 (mm)PCD (mm)n-Ød (mm)Bolt SizeNo BoltsWeight (kg)
1 BFG2106363 (2")165781512718M1641.84
Product Drawing
Size (mm) : 63 (2")
D1 (mm) : 165
D2 (mm) : 78
S1 (mm) : 15
PCD (mm) : 127
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 1.84
2 BFG2107575 (2 1/2")185921514618M1682.14
Product Drawing
Size (mm) : 75 (2 1/2")
D1 (mm) : 185
D2 (mm) : 92
S1 (mm) : 15
PCD (mm) : 146
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 2.14
3 BFG2109090 (3")2051081516518M1682.57
Product Drawing
Size (mm) : 90 (3")
D1 (mm) : 205
D2 (mm) : 108
S1 (mm) : 15
PCD (mm) : 165
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 2.57
4 BFG21110110 (4")2301281919118M1683.98
Product Drawing
Size (mm) : 110 (4")
D1 (mm) : 230
D2 (mm) : 128
S1 (mm) : 19
PCD (mm) : 191
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 3.98
5 BFG21160160 (6")3051782426022M20128.22
Product Drawing
Size (mm) : 160 (6")
D1 (mm) : 305
D2 (mm) : 178
S1 (mm) : 24
PCD (mm) : 260
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 12
Weight (kg) : 8.22
6 BFG21180180 (6")3051952426022M20127.28
Product Drawing
Size (mm) : 180 (6")
D1 (mm) : 305
D2 (mm) : 195
S1 (mm) : 24
PCD (mm) : 260
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 12
Weight (kg) : 7.28
7 BFG21200200 (8")3702352432422M201211.23
Product Drawing
Size (mm) : 200 (8")
D1 (mm) : 370
D2 (mm) : 235
S1 (mm) : 24
PCD (mm) : 324
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 12
Weight (kg) : 11.23
8 BFG21225225 (8")3702382432422M201211.02
Product Drawing
Size (mm) : 225 (8")
D1 (mm) : 370
D2 (mm) : 238
S1 (mm) : 24
PCD (mm) : 324
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 12
Weight (kg) : 11.02
9 BFG21250250 (10")4302903038126M241217.16
Product Drawing
Size (mm) : 250 (10")
D1 (mm) : 430
D2 (mm) : 290
S1 (mm) : 30
PCD (mm) : 381
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 12
Weight (kg) : 17.16
10 BFG21280280 (10")4303003038126M241216.06
Product Drawing
Size (mm) : 280 (10")
D1 (mm) : 430
D2 (mm) : 300
S1 (mm) : 30
PCD (mm) : 381
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 12
Weight (kg) : 16.06
11 BFG21315315 (12")4903453043826M241620.41
Product Drawing
Size (mm) : 315 (12")
D1 (mm) : 490
D2 (mm) : 345
S1 (mm) : 30
PCD (mm) : 438
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 16
Weight (kg) : 20.41
12 BFG21355355 (14")5503763049530M271627.16
Product Drawing
Size (mm) : 355 (14")
D1 (mm) : 550
D2 (mm) : 376
S1 (mm) : 30
PCD (mm) : 495
n-Ød (mm) : 30
Bolt Size : M27
No Bolts : 16
Weight (kg) : 27.16
13 BFG21400400 (16")6104303855230M272039.67
Product Drawing
Size (mm) : 400 (16")
D1 (mm) : 610
D2 (mm) : 430
S1 (mm) : 38
PCD (mm) : 552
n-Ød (mm) : 30
Bolt Size : M27
No Bolts : 20
Weight (kg) : 39.67
14 BFG21450450 (18")6754803861033M302047.7
Product Drawing
Size (mm) : 450 (18")
D1 (mm) : 675
D2 (mm) : 480
S1 (mm) : 38
PCD (mm) : 610
n-Ød (mm) : 33
Bolt Size : M30
No Bolts : 20
Weight (kg) : 47.7
15 BFG21500500 (20")7355334867333M302468.12
Product Drawing
Size (mm) : 500 (20")
D1 (mm) : 735
D2 (mm) : 533
S1 (mm) : 48
PCD (mm) : 673
n-Ød (mm) : 33
Bolt Size : M30
No Bolts : 24
Weight (kg) : 68.12
16 BFG21560560 (22")7355904867333M302449.16
Product Drawing
Size (mm) : 560 (22")
D1 (mm) : 735
D2 (mm) : 590
S1 (mm) : 48
PCD (mm) : 673
n-Ød (mm) : 33
Bolt Size : M30
No Bolts : 24
Weight (kg) : 49.16
17 BFG21630630 (24")8506605878136M332491.54
Product Drawing
Size (mm) : 630 (24")
D1 (mm) : 850
D2 (mm) : 660
S1 (mm) : 58
PCD (mm) : 781
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 24
Weight (kg) : 91.54
18 BFG21710710 (28")9357405885736M3324
Product Drawing
Size (mm) : 710 (28")
D1 (mm) : 935
D2 (mm) : 740
S1 (mm) : 58
PCD (mm) : 857
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 24
Weight (kg) :
19 BFG21800800 (32")10608436898436M3328
Product Drawing
Size (mm) : 800 (32")
D1 (mm) : 1060
D2 (mm) : 843
S1 (mm) : 68
PCD (mm) : 984
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 28
Weight (kg) :
20 BFG21900900 (36")118594768110539M3632
Product Drawing
Size (mm) : 900 (36")
D1 (mm) : 1185
D2 (mm) : 947
S1 (mm) : 68
PCD (mm) : 1105
n-Ød (mm) : 39
Bolt Size : M36
No Bolts : 32
Weight (kg) :
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