Spectropur Purge- and connection block SBE/3-MV3

Name: Spectropur Purge- and connection block SBE/3-MV3
Availability: spectropur-purge-and-connection-block-sb-214291.html

Category:Fluid Equipment > Valves
Product Name:Spectropur Purge- and connection block SBE/3-MV3
Price(USD):0.00
Company:Spectron Gas Control Systems (Shanghai) Co.,Ltd.

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Product features

Minimized purge volume of only 1,4 cm³
Capillary tube allows purging into the cylinder valve
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
Minimum particle generation, as no parts are exposed to friction and no spring is in the gas wetted area
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)
High surface quality
100 % Helium-leak-tested
Assembly in cleanroom class ISO 5.0
Approved for the use with oxygen up to 250 bar
2 versions: Inlet (gas cylinder) on the right or on the left side (process gas valve is always behind)

Technical data
Materials Body: Diaphragm: Other gas wetted parts: Valve seat:	stainles steel 1.4404 (SS 316L) Hastelloy C276 stainles steel 1.4404 (SS 316L) PCTFE or PVDF
Surface roughness optional:	R_a ≤ 0,25 µm R_a ≤ 0,18 µm
Leak rate to atmosphere: via seat:	< 1 x 10^-9 mbar l/s He < 1 x 10^-6 mbar l/s He
Pressure range Manual valve: Pneumatic valve:	max. 300 bar 25 / 100 / 200 / 300 bar
C_v-valve	0,24 (k_v = 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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