DN 50 PN 40
configured to 50.000 operations at rated pressure and room temperature
With manual override
design: normally-seated
Type approval granted by VdTÜV Merkbaltt 1065
materials:
Housing -----1.4404
Cap ----- 1.4408
----- Bellows 1.4571
Cone --- 1.4571 with stelliting sealing surface
lower spindle from ---- 1.4571
gland packing from ----- PTFE silk
Cover Seals ------ Stainless-comb profile graphitized
Stud bolts and nuts ---- A4-70
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connections:
Flanges with sealing strip Form B1 or Nut shape D according to DIN EN 1092-1
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construction length:
according to DIN EN 558, series 1 FTF
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Manufacture and supply of valves is carried out according to PED 97/23.
For the quality certificate of the materials used for valve shells parts and nuts and bolts is an inspection certificate 3.1 to DIN EN 10204
applied.
The final acceptance of the valves in accordance with DIN EN 12266-1 (P10, P11, P12) will be done by experts of the manufacturer
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Technical delivery conditions: Pressure Equipment Directive 97/23 EC
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Valves as items of equipment without safety function: starting from DN 32
Media ------ gases
Fluid Group ----- fluids in Group 1
Category -------- I-III
Conformity Assessment ------- Module H
Labelling: -------- AD data sheet A4 and CE 0525
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