Catalog excerpts
– manually actuated – Lining pure PFA, optionally antistatic Bellows sealing, safety stuffing box Heavy-duty bellows - for permeating media - p to 16 bar (235 psi) and u 180 °C (360 °F) Richter bellows-sealed shut-off and control val
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Bellows-sealed shut-off and control valves Fields of application As a shut-off valve, the HV with on/off plug is preferably used where a ball or butterfly valve, for example, cannot be deployed owing to the requirement for hermetic tightness: In conjunction with the standard safety stuffing box, the valve complies with the German Clean Air Code (“TA Luft”). Equipped with an equal percentage or linear control plug, the HVR can perform a genuine control function. The body, seat and bellows can be replaced and varied independently, permitting optimum adaptation to the operating conditions in...
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Heavy-duty bellows and safety stuffing box offer optimum reliability Option: Heavy-duty bellows - for highly permeating media - for higher pressures and temperatures • 2.5 mm wall thickness for the bellows! • pressure to 16 bar (235 psi), see diagram • i nternal stainless steel support rings - support bellows’ convolutions individually - ensure the distribution of the motion on all convolutions and their flexibility - PTFE/carbon support rings in case of extreme permeation for pressures to 10 bar (145 psi) on request for series HVR with control plug DN DIN/ISO (mm) * I f a U-plug is used,...
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kvs Cv-values, components Dimensions and weights for HV and HVR Face-to-face lengths ISO 5752 series 1 (DIN EN 558-1 series 1)*, flanges ISO 7005-2/PN16 (DIN EN 1092-2)* Face-to-face lengths ANSI/ISA 75.08.01 Cl. 150+300, flanges ASME B16.5 Cl. 150+300 RF HV Flow rates for series with on-off plug DN V2”: flanges with tapped bore not to ANSI/ISA * Optionally also antistatic (PFA-L) lining ** only with option “leak monitor connection” Special designs Version for “biotechnology/pure media” for the pharmaceutical and fine chemical industries, elec- tronic chemicals, fermentation etc., suitable...
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