Mega Valve & Fittings Sdn Bhd
5, Jalan Sungai Rasau E32/E,
Taman Perindustrian Berjaya,
40150 Shah Alam,
Selangor, Malaysia.
+603-51315435
+603-55251956SBE/2-MV1
Spectropur Regulator --- Purge - and Connection Blocks ---
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Product features
- Minimized purge volume of only 1,3 cm³
- Metal-to-metal seal to atmosphere using metal diaphragms made of Hastelloy C276
- All gas-wetted parts made of stainless steel SS 316L, Hastelloy C276 and PCTFE or PVDF respectively
- Fully functional even when valves are evacuated
- Welded valve stem / diaphragm assembly
- No parts in the gas-wetted area exposed to friction or torsional stress provide minimum particle
- Embedded soft seat seal made of PCTFE or PVDF permits frequent operation without loss of tightness
- Modular design for easy replacement of internal parts
- Clearly legible position indication (on/off)
- 100 % Helium-leak-tested
- Assembly in cleanroom class ISO 5.0
| Technical data | ||
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Materials Body: Diaphragm: Other gas wetted parts: Valve seat: |
stainles steel 1.4404 ESU (SS 316L remelted) Hastelloy C276 stainles steel 1.4404 ESU (SS 316L remelted) PCTFE or PVDF |
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Surface roughness optional: |
Ra ≤ 0,25 µm Ra ≤ 0,18 µm |
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Leak rate to atmpsphere: via seat: |
< 1 x 10-9 mbar l/s He < 1 x 10-6 mbar l/s He |
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Pressure range Manual valve: LP-pneumatic valve: HP-pneumatic valve: |
200 bar 25 bar 200 bar |
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| Cv-Wert | 0,24 (kv = 0,2) | |
| Nominal size | DN 4 | |
| Cylinder connection |
- acc. to DIN 477 depending on gas type - acc. to other standards (e.g. BS, AFNOR, UNI) upon request |
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