DINGSHENG PIPE INDUSTRY

Backing Ring Flange

ANSI, ASME, ASA, B16.5 BACKING RING FLANGE
Class 150 / 150LBS Hot Zinc (Galvanized) for HDPE Pipes

Backing Ring Flange

Flange Dimensions & Approximate Masses / Flange Weight

ANSI B16.5 150LBS BACKING RING FLANGE DIMENSIONS

SIZE

ID

OD

THICKNESS

HOLES NUMBER

HOLE DIA

PCD

WEIGHT

I, mm

D, mm

T, mm

N

d2, mm

P, mm

Kg

20MM

32.0

88.9

14.0

4

15.9

60.3

25MM

38.0

98.6

14.0

4

15.9

69.8

32MM

45.0

108.0

16.0

4

15.9

79.4

40MM

55.0

117.3

16.0

4

15.9

88.9

50MM

66.0

127.0

16.0

4

15.9

98.4

63MM

78.0

152.4

16.0

4

19.1

120.6

1.547

75MM

92.0

177.8

16.0

4

19.1

139.7

2.140

90MM

108.0

190.5

18.0

4

19.1

152.4

2.572

110MM

128.0

228.6

18.0

8

19.1

190.5

3.658

160MM

178.0

279.4

18.0

8

22.2

241.3

4.712

200MM

235.0

342.9

20.0

8

22.2

298.4

7.206

250MM

288.0

406.4

22.0

12

25.4

362.0

10.108

315MM

338.0

482.6

26.0

12

25.4

431.8

17.790

355MM

376.0

533.4

28.0

12

28.6

476.2

23.029

450MM

497.0

635.0

38.0

16

31.7

577.8

32.863

500MM

533.0

698.5

38.0

20

31.7

635.0

43.078

630MM

645.0

812.8

44.0

20

34.9

749.3

59.812

NOTE:

1. This backing ring flange usually coated with hot Zinc (hot galvanizing) coating, used for HDPE pipes.
2. If customer want special thickness or inner diameter please contact us again when make an inquiry.

Production Capacity & Purchase Details

1. Supply Flange Dimension DN15 – DN600 (1/2″ – 24″) for Blank Flange, Forged Flange.
2. Flange Material Carbon Steel: ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn.
3. Flange Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4. Flange Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.
5. Flange Monthly Output: 3000 tons per Month.
6. Flange Delivery Terms: CIF, CFR, FOB, EXW, transport by sea, by air, by express DHL, FedEx, TNT, EMS.
7. Flange Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.
8. Flange Minimum Order Quantity (MOQ): 1Ton or 100Pcs per size.
9. Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.
10. Find More Requirements In Flanges Market.