Cryogenic Bellows Valve Type 03252 With Extended Spindle On Flanges
TECHNICAL DESCRIPTION
Cryogenic Bellows Valve ANSI Class 300
· stainless steel body and cover
· pre-tensioned gland packing
· cleaned and degreased for oxygen operation
flange connection according to ANSI B16.5 class 300
· Art. No. 03252.X.0023
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
OPTIONS
· extension H up to 900mm
· control valve (with threaded connection)
Dimensions:DN 15 – 50
The CRYOGENIC BELLOWS VALVE TYPE 03252 WITH EXTENDED SPINDLE ON FLANGES is engineered for superior performance in extreme low-temperature applications. This valve features a robust bellows seal that ensures zero leakage, making it ideal for handling cryogenic fluids such as liquid nitrogen, oxygen, and argon. Its extended spindle design allows for safe and easy operation even in insulated or hard-to-reach pipeline setups, enhancing both functionality and safety in industrial environments.Constructed from high-grade materials resistant to thermal contraction and embrittlement, this valve guarantees durability and reliability under rigorous conditions. Key technical specifications include:Bellows seal for leak-proof operation in cryogenic temperaturesExtended spindle for accessibility in insulated systemsFlanged connections ensuring secure and straightforward installationCompliance with international standards for cryogenic equipmentIdeal for use in sectors like LNG processing, aerospace, medical gas systems, and chemical manufacturing, this valve supports efficient flow control while minimizing maintenance needs. Its design prioritizes operational safety and longevity, reducing downtime and total cost of ownership. Upgrade your cryogenic infrastructure with a valve that combines precision engineering with exceptional resilience.
Materials
| No. | Materials | DIN EN | ASTM | |
|---|---|---|---|---|
| 1 | Body | 1.4308 | A351CF8 | |
| 2 | Saddle | Teflon PTFE / graphite filler (25%) | ||
| 3 | Valve | 1.4301 | A276 Grade 304 | |
| 4 | Lid | garnish | Teflon PTFE | |
| 5 | Upper part | 1.4301 | A276 Grade 304 | |
| 6 | Spindle | 1.4571 | A276 Grade 316Ti | |
| 7 | Bolts | 1.4301/A2 | A194B8 | |
| 8 | Bellows | 1.4571 | A276 Grade 316Ti | |
| 9 | Extension cord | 1.4541 | A213TP 321 | |
| 10 | Upper part | 1.4301 / A2 | A194B8 | |
| 11 | Bushing | CW452K | B159 UNS C51900 | |
| 12 | Spindle | 1.4301 | A276 Grade 304 | |
| 13 | Salnikov condensed. | graphite / Teflon PTFE | ||
| 14 | Packing nut | 1.4305 | A 276 Grade 303 | |
| 15 | Flywheel | aluminum alloy | ||
Features
| SPECIFICATION | |
|---|---|
| Type 03252 | cryogenic bellows valve PN40 |
| Connection ends | flanged |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | on flanges |
| Drive | independently |
| Working temp. [°C] | -196 °C / -321 °F |
| up to +120 °C / +248 °F | |
| DN | ANSI код | Ø фланец (D-PN) | FF | H | B | S1 | S2 | Тегло (kg) | Kvs (m³/h) | Cv (gal/min) |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 0150 | 95 | 140 | 380 | 150 | 7 | 30 | 3.5 | 4.3 | 5.0 |
| 20 | 0200 | 105 | 150 | 380 | 150 | 7 | 30 | 5.0 | 6.7 | 7.8 |
| 25 | 0250 | 115 | 160 | 380 | 150 | 7 | 30 | 5.2 | 11.5 | 13.4 |
| 40 | 0400 | 150 | 200 | 380 | 150 | 10 | 36 | 10.1 | 22.6 | 26.3 |
| 50 | 0500 | 165 | 230 | 380 | 150 | 10 | 36 | 13.8 | 37.1 | 43.2 |