Pipe diameter, mm | 25 |
Compensating capacity (axial stroke), mm | +/- 25 |
Pipe diameter, mm | 32 |
Compensating capacity (axial stroke), mm | +/- 25 |
Pipe diameter, mm | 40 |
Compensating capacity (axial stroke), mm | +/- 25 |
Pipe diameter, mm | 32 |
Compensating capacity (axial stroke), mm | +/- 25 |
Pipe diameter, mm | 32 |
Compensating capacity (axial stroke), mm | +/- 25 |
PUF ZP bellows expansion joints
PUF ZP bellows expansion joints are critical elements in a heating main circuit performing the protection function by distributing loads on the pipe caused temperature variations.
Identification code review
Russin abbr.: Сильфонное компенсирующее устройство СКУ.ППУ. 200 - 16 – 140 – 1 – ППУ - ОЦ (Ст20, 219 х 6,0 ГОСТ 10704-91)
English abbr.: Bellow compensation device BCD.PUF. 200 - 16 – 140 – 1 – PUF - ZP (St20, 219 х 6.0 GOST 10704-91)
Below is the explanation of the marking conventions:
2. «200» is the nominal diameter of the bellows;
3. «16» is the design pressure;
4. «140» is the axial travel;
5. «1» is the insulation type;
6. «PUF – ZP» is the polyurethane foam insulation, zinc-plated protective shell.;
7. «St 20 is the steel grade of welded connection pipes;
8. «219 is the diameter of welded connection pipes;
9. «6,0» is the wall thickness of welded connection pipes;
10. «GOST 10704-91» denotes steel longitudinal electric-welded pipes.
Dimensions and characteristics
d, mm | s, mm | D nom | Protective shell | Protective shell | L, mm* | Weight, kg ** | ||
---|---|---|---|---|---|---|---|---|
ZP shell | Pn, | E, mm | ||||||
Dzp, mm | D of bellows casing, mm | Мpa * | (axial travel) * | |||||
57 | 3,5 | 50 | 140 | 155 | 1,6 | 60 | 1440 | 25,2 |
76 | 3,5 | 65 | 160 | 175 | 1,6 | 60 | 1440 | 29,4 |
89 | 4 | 80 | 180 | 190 | 1,6 | 70 | 1480 | 42,7 |
108 | 4 | 100 | 200 | 215 | 1,6 | 100 | 1590 | 53,5 |
133 | 4 | 125 | 225 | 237 | 1,6 | 100 | 1635 | 65,9 |
159 | 4,5 | 150 | 250 | 262 | 1,6 | 100 | 1610 | 75,2 |
219 | 6 | 200 | 315 | 330 | 1,6 | 160 | 1632 | 121,2 |
273 | 7 | 250 | 400 | 415 | 1,6 | 160 | 1912 | 190,1 |
325 | 7 | 300 | 450 | 465 | 1,6 | 180 | 1932 | 220,1 |
426 | 7 | 400 | 560 | 578 | 1,6 | 190 | 1968 | 295,1 |
530 | 7 | 500 | 710 | 728 | 1,6 | 200 | 1982 | 395,5 |
630 | 8 | 600 | 800 | 818 | 2,5 | 200 | 2013 | 512,3 |
720 | 9 | 700 | 900 | 918 | 2,5 | 210 | 2010 | 658,3 |
820 | 9 | 800 | 1000 | 1018 | 2,5 | 210 | 2043 | 771,9 |
1020 | 11 | 1000 | 1200 | 1218 | 2,5 | 220 | 2042 | 1243,1 |
*The technical characteristics of the BCD unit depend on the type of used bellows. **The product design weight is provided for reference and depends on the parameters of the bellow device. |
Scope of supply of PUF bellows expansion joints in protective ZP sheath
1) PUF ZP steel pipes2) PUF ZP steel T-pipes
3) PUF ZP steel T-pipes complete with vent pipe ball valve
4) PUF ZP parallel steel T-pipes
5) PUF ZP steel tee branches
6) PUF ZP steel tee branches with reducing connections
7) Sliding saddles
8) Fixed saddles
9) End fittings of PUF ZP pipelines with looped conductors
10) PUF ZP reducers
11) PUF ZP ball valves
12) PUF ZP U-shaped elements
13) PUF ZP Z-shaped elements
14) PUF ZP elbows
15) PUF ZP ball valves with vent pipe
16) PUF ZP joint isolation sets
If no requirements to the wall thickness of connection pipes are given with the order, connection pipes are used with a wall thickness corresponding to the wall thickness of straight pipes indicated in the order.
The steel used for the zinc-plated shell of the product typically has a thickness of at least 10mm.