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Curved Tube Pressure Balance Corrugated Compensator

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Curved Tube Pressure Balance Cor

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Description
Parameters

- 商品名稱: Curved Tube Pressure Balance Corrugated Compensator
Metal corrugated expansion joints (also known as corrugated compensators for short expansion joints) are designed and manufactured according to the EJMA standard of the American Expansion Joint Manufacturers Association and the GB/T12777-99 standard. It is a device with compensation function composed of metal bellows and structural parts. It can compensate the thermal deformation and mechanical deformation of the pipeline and absorb various mechanical vibrations, so as to reduce the deformation stress of the pipeline and improve the service life of the pipeline. Compared with tension expansion joints, sleeve expansion joints and spherical expansion joints with the same compensation ability, it has the advantages of small footprint, simple installation, low engineering cost, no structural leakage, and no maintenance. Widespread adoption and rapid development.

Displacement direction: axial, lateral
Working pressure: (MPa) 0.25, 0.6, 1.0
Nominal diameter: DN100 ~ DN2200
The compensator consists of a working bellows or two working bellows connected in the middle and a balance bellows and elbow or tee, head, tie rod, end plate and spherical and conical gaskets and other structural groups. It can absorb the combined axial and lateral displacement and balance the pressure and thrust of the bellows. The front part (flow end) of the expansion joint has two working bellows, and the rear part (blind end) is composed of a balance bellows. The working bellows absorbs the lateral displacement from the elbow section, and the balance bellows absorbs the straight The axial displacement of the pipe section, when the elbow section produces lateral displacement, the spherical nut on the tie rod rotates around the concave washer, and the tie rod bears the internal pressure thrust, so this expansion joint is often used at the outlet of pumps, tanks, compressors, gas turbines and other equipment , in order to reduce the force on the above equipment.

1. Product use and characteristics
Curved tube pressure balance type bellows compensator is mainly used for compensating the spatial displacement of the piping system. It has the advantages of simple design, large compensation amount, small stiffness force, no internal pressure thrust, etc. It is mainly used for shock absorption and noise absorption of the import and export of large equipment.
2. Applicable working conditions
Work pressure: 0.25MPa, 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa
Operating temperature: -50°C - 420°C
Medium: liquid, gas, etc.
Flange standard: national standard GB, American standard ANSI, Japanese standard JIS, German standard DIN, etc.
3. Structure and materials
1. Bellows: stainless steel 304, 316L, 321, etc.
2. Flange, connecting pipe: carbon steel, stainless steel 304, 316L, 321, etc.
5. Tie rod bolts and nuts: carbon steel
4. Precautions for installation and use
1. This type of compensator is generally used on an overhead straight line and installed horizontally.
2. After the compensator is installed, all the small tie rods need to be removed.
3. In order to reduce the elastic reaction force of the compensator to the support, the compensator can be pre-tensioned or pre-compressed before installation (which can be achieved by adjusting the small pull rod on it).

Compensator selection guide
Before selecting the compensator, first divide the piping system into simple and independent expansion pipe sections with fixed brackets (or intermediate fixed brackets), such as straight pipe sections, "L"-shaped elbow sections, and "Z"-shaped elbow sections etc., and then select one of the types of compensators according to the following block diagram.

Field installation case of metal corrugated compensator
- Curved Tube Pressure Balance Cor

DN mm	nl	nl	mm		KXo N/mm	KXo N/mm	mm		Lmm		product Types of
			Xo	Yo			A	B	Connection type
			Xo	Yo			A	B	L	F
Design pressure PN=0.2Pa(2kgf/cm²) Fatigue life N=10^5 times Design temperature t=20℃; working temperature T≤150℃
1000	8 （4+4） 10 （5+5）	6 7	30	30	1393	71	3090	1020	4790	4802	WP
1100					1490	91	3190	1120	4965	4977
1200					1594	114	3290	1220	5140	5152
1300					1700	142	3390	1320	5315	5327
1400					1807	101	3780	1420	5870	5882
1500					1590	102	3880	1520	6045	6057
1600					1682	94	4180	1620	6436	6448
1700					1774	111	4340	1720	6761	6773
1800					1867	130	4440	1820	6936	6948
1900					1960	151	4540	1920	7111	7123
2000					2858	246	4640	2020	7286	7298
Design pressure PN=0.6Pa (6kgf/cm²) Fatigue life N=10^5 times Design temperature t=20℃; working temperature T≤150℃
700	8 （4+4）	6	20	20	2651	154	2288	700	3756	3777	WP
800					2811	208	2388	800	3940	3952
900					2974	174	2688	900	4315	4327
1000	10 （5+5）	7	30	30	4106	236	2890	100	4702	4714
1100					4382	211	3198	1100	5085	5097
1200					4680	265	3298	1200	5260	5272
1300					4985	243	3648	1300	5735	5747
1400					4021	226	3748	1400	5910	5922
1500					4261	209	4048	1500	6295	6307