Backing Rings

  1. Home
  2. Products
  3. PE Fittings & Flanges
  4. Flanges / Backing Rings
  5. Backing Rings
  6. Backing Rings S/S 316 PN16

Backing Rings S/S 316 PN16

  • Application: Above ground and buried
  • Sealing Integrity: Even load distribution
  • Suitable: Gas, Water, Slurry, Compressed Air and Corrosive systems
  • Material: Stainless Steel 316
  • Made to AS 4087
Custom Option

Backing Rings - S/S 316 - PN16

Variants: 23

#CodeSize (mm)D1 (mm)D2 (mm)S1 (mm)PCD (mm)n-Ød (mm)Bolt SizeNo BoltsWeight (kg)
1 BFS3161606363 (2")150781111418M1641.03
Product Drawing
Size (mm) : 63 (2")
D1 (mm) : 150
D2 (mm) : 78
S1 (mm) : 11
PCD (mm) : 114
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 1.03
2 BFS3161607575 (2 1/2")165921112718M1641.19
Product Drawing
Size (mm) : 75 (2 1/2")
D1 (mm) : 165
D2 (mm) : 92
S1 (mm) : 11
PCD (mm) : 127
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 1.19
3 BFS3161609090 (3")1851081114618M1641.45
Product Drawing
Size (mm) : 90 (3")
D1 (mm) : 185
D2 (mm) : 108
S1 (mm) : 11
PCD (mm) : 146
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 1.45
4 BFS31616110110 (4")2151281317818M1642.29
Product Drawing
Size (mm) : 110 (4")
D1 (mm) : 215
D2 (mm) : 128
S1 (mm) : 13
PCD (mm) : 178
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 2.29
5 BFS31616125125 (5")2551401321018M1682.03
Product Drawing
Size (mm) : 125 (5")
D1 (mm) : 255
D2 (mm) : 140
S1 (mm) : 13
PCD (mm) : 210
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 2.03
6 BFS316161254125 (4")2151401317818M1642.03
Product Drawing
Size (mm) : 125 (4")
D1 (mm) : 215
D2 (mm) : 140
S1 (mm) : 13
PCD (mm) : 178
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 4
Weight (kg) : 2.03
7 BFS31616160160 (6")2801781323518M1683.54
Product Drawing
Size (mm) : 160 (6")
D1 (mm) : 280
D2 (mm) : 178
S1 (mm) : 13
PCD (mm) : 235
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 3.54
8 BFS31616180180 (6")2801951323518M1683.03
Product Drawing
Size (mm) : 180 (6")
D1 (mm) : 280
D2 (mm) : 195
S1 (mm) : 13
PCD (mm) : 235
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 3.03
9 BFS31616200200 (8")3352351929218M1686.38
Product Drawing
Size (mm) : 200 (8")
D1 (mm) : 335
D2 (mm) : 235
S1 (mm) : 19
PCD (mm) : 292
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 6.38
10 BFS31616225225 (8")3352351929218M1686.21
Product Drawing
Size (mm) : 225 (8")
D1 (mm) : 335
D2 (mm) : 235
S1 (mm) : 19
PCD (mm) : 292
n-Ød (mm) : 18
Bolt Size : M16
No Bolts : 8
Weight (kg) : 6.21
11 BFS31616250250 (10")4052881935622M2089.05
Product Drawing
Size (mm) : 250 (10")
D1 (mm) : 405
D2 (mm) : 288
S1 (mm) : 19
PCD (mm) : 356
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 8
Weight (kg) : 9.05
12 BFS31616280280 (10")4053001935622M2088.22
Product Drawing
Size (mm) : 280 (10")
D1 (mm) : 405
D2 (mm) : 300
S1 (mm) : 19
PCD (mm) : 356
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 8
Weight (kg) : 8.22
13 BFS31616315315 (12")4553382340622M201212.34
Product Drawing
Size (mm) : 315 (12")
D1 (mm) : 455
D2 (mm) : 338
S1 (mm) : 23
PCD (mm) : 406
n-Ød (mm) : 22
Bolt Size : M20
No Bolts : 12
Weight (kg) : 12.34
14 BFS31616355355 (14")5253763047026M241223.35
Product Drawing
Size (mm) : 355 (14")
D1 (mm) : 525
D2 (mm) : 376
S1 (mm) : 30
PCD (mm) : 470
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 12
Weight (kg) : 23.35
15 BFS31616400400 (16")5804303052126M241226.54
Product Drawing
Size (mm) : 400 (16")
D1 (mm) : 580
D2 (mm) : 430
S1 (mm) : 30
PCD (mm) : 521
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 12
Weight (kg) : 26.54
16 BFS31616450450 (18")6404703058426M241233.43
Product Drawing
Size (mm) : 450 (18")
D1 (mm) : 640
D2 (mm) : 470
S1 (mm) : 30
PCD (mm) : 584
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 12
Weight (kg) : 33.43
17 BFS31616500500 (20")7055333864126M241647.39
Product Drawing
Size (mm) : 500 (20")
D1 (mm) : 705
D2 (mm) : 533
S1 (mm) : 38
PCD (mm) : 641
n-Ød (mm) : 26
Bolt Size : M24
No Bolts : 16
Weight (kg) : 47.39
18 BFS31616560560 (22")7605904469930M271660.5
Product Drawing
Size (mm) : 560 (22")
D1 (mm) : 760
D2 (mm) : 590
S1 (mm) : 44
PCD (mm) : 699
n-Ød (mm) : 30
Bolt Size : M27
No Bolts : 16
Weight (kg) : 60.5
19 BFS31616630630 (24")8256454875630M271668.41
Product Drawing
Size (mm) : 630 (24")
D1 (mm) : 825
D2 (mm) : 645
S1 (mm) : 48
PCD (mm) : 756
n-Ød (mm) : 30
Bolt Size : M27
No Bolts : 16
Weight (kg) : 68.41
20 BFS31616710710 (28")9107405684530M272088.28
Product Drawing
Size (mm) : 710 (28")
D1 (mm) : 910
D2 (mm) : 740
S1 (mm) : 56
PCD (mm) : 845
n-Ød (mm) : 30
Bolt Size : M27
No Bolts : 20
Weight (kg) : 88.28
21 BFS31616800800 (32")10608435698436M3320138.59
Product Drawing
Size (mm) : 800 (32")
D1 (mm) : 1060
D2 (mm) : 843
S1 (mm) : 56
PCD (mm) : 984
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 20
Weight (kg) : 138.59
22 BFS31616900900 (36")117594766109236M3324182.33
Product Drawing
Size (mm) : 900 (36")
D1 (mm) : 1175
D2 (mm) : 947
S1 (mm) : 66
PCD (mm) : 1092
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 24
Weight (kg) : 182.33
23 BFS3161610001000 (40")1255105066117536M3324192.8
Product Drawing
Size (mm) : 1000 (40")
D1 (mm) : 1255
D2 (mm) : 1050
S1 (mm) : 66
PCD (mm) : 1175
n-Ød (mm) : 36
Bolt Size : M33
No Bolts : 24
Weight (kg) : 192.8
Global Water Group (GWG)
  • Together, We Move Water. Global Water Group (GWG) is a leading Australian supplier and solutions provider in the fluid movement and water services industry, with over 40 years experience supporting projects across mining, civil, agriculture, aquaculture and associated sectors.
Sitemap
Locations
Contact GWG

© 2026 Global Water Group (GWG). All rights reserved.