Stainless or Galvanised Metal Backing Rings Flange

Learn about Backing Rings Flange

Flange Backing Ring plays a crucial role in providing a stable and uniform surface for bolt connections, ensuring a tight seal in piping systems. It distributes stress evenly across the flange, preventing warping and reducing the risk of leaks. This reinforcement is especially beneficial in high-pressure scenarios, enhancing the integrity and longevity of the pipe joint.

Puhui can provide Stainless or Galvanised Metal Backing Rings Flange, Ductile Iron Backing Ring, PP Flange and PP Coated Steel Flange.

Main Uses of Flange:

Securing pipe connections
Enhancing joint strength
Facilitating assembly and disassembly

Applications:

Water treatment plants
Chemical processing
HVAC systems
Marine piping

Advantages:

Superior corrosion resistance,supporting heavy loads and high pressure.
High tensile strength and durability, Long service life
Reliable sealing performance, minimizing leaks
Low maintenance requirements

Pipe Size	DN	PN	OD	PCD	ID	Bolt No.	Bolt Hole Dia	Thickness
50	40	16	150	110	55	4	18	18
63	50	16	165	125	68	4	18	20
75	65	16	185	145	80	4	18	20
90	80	16	200	160	95	8	18	20
110	100	16	220	180	116	8	18	22
125	125	16	250	210	130	8	18	22
140	125	16	250	210	150	8	18	22
160	150	16	285	240	170	8	22	24
180	150	16	285	240	188	8	22	24
200	200	16	340	295	210	12	22	26
225	200	16	340	295	235	12	22	26
250	250	16	405	355	265	12	26	29
280	250	16	405	355	290	12	26	29
315	300	16	460	410	335	12	26	32
355	350	16	520	470	365	16	26	35
400	400	16	580	525	420	16	30	38
450	450	16	640	585	470	20	30	42
500	500	16	715	650	520	20	33	46
560	600	16	840	770	575	20	36	55
630	600	16	840	770	650	20	36	55
710	700	16	910	840	740	24	36	63
800	800	16	1025	950	830	24	39	74

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