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Double-section PUF ZP bellows expansion joints
Double-section PUF ZP bellows expansion joints are an element of PUF ZP steel pipe with a double corrugated part. The bellows receive loads during deformations caused by variations of temperature, preventing damage and helping extend the system’s service life.
Identification code review
Russian abbr.: Сильфонное компенсирующее устройство 2.СКУ.ППУ. 200 - 16 – 140 – 1 – ППУ - ОЦ (Ст 20, 219 х 6,0 ГОСТ 10704-91)
English abbr.: Bellow compensation device 2.BCD.PUF. 200 - 16 – 140 – 1 – PUF - ZP (St 20, 219 х 6.0 GOST 10704-91)
Below is the explanation of the marking conventions:
- «2.BCD PUF» is the abbreviated name of the product;
- «200» is the nominal diameter of the bellows;
- «16» 16 is the design pressure;
- «140» is the axial travel;
- «1» is the insulation type;
- «PUF – ZP» - polyurethane foam insulation, zinc-plated protective shell;
- «St 20 is the steel grade of welded connection pipes;
- «219 is the diameter of welded connection pipes;
- «6,0» is the wall thickness of welded connection pipes;
- «GOST 10704-91» denotes steel longitudinal electric-welded pipes.
Scope of supply of double-section PUF ZP 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