Spirax Sarco 15mm to 150mm Bellow Seal Stop Valve BSA2T SGI
Spirax Sarco's BSA2T SGI Twin-Ply Bellows Valve is a sealed, in-line stop valve. It comes with twin-ply bellows and can be used on steam, gas, liquid, condensate and water systems. The product fully complies with the requirements of the European Pressure Equipment Directive 97 / 23 / EC. The BSA2T valve is available with certification to EN 10204 3.1.
The Spirax Sarco bellow seal stop valve comes complete with a throttling plug and locking device, which allows manual regulation to adjust line pressure and flow. This makes it a flexible and user-friendly isolation solution that can also be used as a basic control valve or a substitute for 'bypass' lines.
Summary:
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Twin ply bellows for extended service life
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Throttling plug for manual regulation of line pressure and flow
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Locking device to secure the valve in the throttling position
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Suitable for use on steam, gas, liquid, condensate and water systems
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Certified to EN 10204 3.1
Specification:
| Body: |
SG Iron EN-GJS-400-18-LT |
| Bonnet: |
SG Iron EN-GJS-400-18-LT |
| Seat: |
Stainless Steel AISI 420 |
| Disc: |
Stainless Steel DIN 17440 X30 Cr13 |
| Insert: |
R-PTFE 24% carbon filled |
| Bellows: |
Stainless Steel WS 1.4571 EN10028-7 X6 CrNiMTi 17-12-2 |
| Stem: |
Stainless Steel AISI 420 |
| Handwheel: |
Pressed Steel BS 1449 CR4 |
| Stem Packing: |
Graphite |
| Minimum Operating Temperature: |
-10°C (Soft Seat) / -10°C (Metal Seat) |
| Maximum Operating Temperature (TMO): |
+230°C (Soft Seat) / +350°C (Metal Seat) |
| Maximum Allowable Pressure (PMA): |
16 bar g (PN16) / 25 bar g (PN25) |
| Maximum operating pressure for saturated steam service: |
14.7 bar g (PN16) / 22.3 bar g (PN25) |
