Single-Path Bypass Pressure-Balanced Bellows Compensator

The single‑type bypass pressure‑balanced bellows compensator is suitable for overhead pipeline installations in pipe galleries. It features a compact design, excellent axial stability, and self‑balancing internal pressure thrust, capable of operating within a temperature range of T = 0°C to 400°C.

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Category:

Thermal Pipeline Compensator

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Feature Description:

The single‑pass bypass pressure‑balanced bellows compensator is suitable for overhead pipeline installations in pipe galleries. It features a compact design, excellent axial stability, and self‑balancing internal pressure thrust, making it capable of operating within a temperature range of T = 0°C to 400°C.
This product’s fixed bracket experiences minimal stress, has no rebound force, boasts a long service life, and comes pre‑insulated from the factory, eliminating the need for regular maintenance.

Model example:

Product Selection Parameter Table (1)

Working pressure: 1.5 MPa

Serial Number	Product Code	Nominal Diameter (mm)	Maximum outer diameter (mm)	Axial Compensation Amount (mm)	Axial stiffness (N/mm)	Applicable Temperature (°C)	Takeover size (mm)	Product Length (mm)
1	16FHPP-D100×16-J	DN100	Φ219	150	810	-20°C to 300°C	Φ108×4.5	1140
2	16FHPP-D125×16-J	DN125	Φ273	150	964	-20°C to 300°C	Φ133×4.5	1200
3	16FHPP-D150×16-J	DN150	Φ325	150	1129	-20°C to 300°C	Φ159×4.5	1250
4	16FHPP-D200×14-J	DN200	Φ426	150	1309	-20°C to 300°C	Φ219×6	1600
5	16FHPP-D250×14-J	DN250	Φ520	150	1602	-20°C to 300°C	Φ273×8	1680
6	16FHPP-D300×14-J	DN300	Φ570	150	1347	-20°C to 300°C	Φ325×8	1920
7	16FHPP-D350×12-J	DN350	Φ670	150	1539	-20°C to 300°C	Φ377×10	2000
8	16FHPP-D400×12-J	DN400	Φ720	150	1726	-20°C to 300°C	Φ426×10	2140
9	16FHPP-D450×12-J	DN450	Φ824	150	1921	-20°C to 300°C	Φ478×10	2180
10	16FHPP-D500×12-J	DN500	Φ924	150	2112	-20°C to 300°C	Φ529×10	2280
11	16FHPP-D600×10-J	DN600	Φ1028	150	2240	-20°C to 300°C	Φ630×10	3000
12	16FHPP-D700×10-J	DN700	Φ1228	150	2360	-20°C to 300°C	Φ720×10	3200
13	16FHPP-D800×10-J	DN800	Φ1328	150	2470	-20°C to 300°C	Φ820×10	3400
14	16FHPP-D900×10-J	DN900	Φ1428	150	2560	-20°C to 300°C	Φ920×10	3600

Note: Large-diameter steam-balanced bellows expansion joints can be custom‑manufactured according to operating conditions.

Product Selection Parameter Table (Part 2)

Working pressure: 2.5 MPa

Serial Number	Product Code	Nominal Diameter (mm)	Maximum outer diameter (mm)	Axial Compensation Amount (mm)	Axial stiffness (N/mm)	Applicable Temperature (°C)	End pipe size (mm)	Product Length (mm)
1	25FHPP-D100×16-J	DN100	Φ219	150	972	-20°C–300°C	Φ108×5	1140
2	25FHPP-D125×16-J	DN125	Φ273	150	1150	-20°C–300°C	Φ133×5	1200
3	25FHPP-D150×16-J	DN150	Φ325	150	1350	-20°C–300°C	Φ159×6	1250
4	25FHPP-D200×14-J	DN200	Φ426	150	1570	-20°C–300°C	Φ219×8	1600
5	25FHPP-D250×16-J	DN250	Φ520	150	1922	-20°C–300°C	Φ273×8	1680
6	25FHPP-D300×14-J	DN300	Φ570	150	1600	-20°C–300°C	Φ325×8	1920
7	25FHPP-D350×12-J	DN350	Φ670	150	1846	-20°C–300°C	Φ377×10	2000
8	25FHPP-D400×12-J	DN400	Φ720	150	2070	-20°C–300°C	Φ426×10	2140
9	25FHPP-D450×12-J	DN450	Φ824	150	2210	-20°C–300°C	Φ478×12	2180
10	25FHPP-D500×12-J	DN500	Φ924	150	2360	-20°C–300°C	Φ529×12	2280
11	25FHPP-D600×10-J	DN600	Φ1028	150	2450	-20°C–300°C	Φ630×14	3000
12	25FHPP-D700×10-J	DN700	Φ1228	150	2510	-20°C–300°C	Φ720×14	3200
13	25FHPP-D800×10-J	DN800	Φ1328	150	2670	-20°C–300°C	Φ820×14	3400
14	25FHPP-D900×10-J	DN900	Φ1428	150	2840	-20°C–300°C	Φ920×16	3600