Corrossive Service PSV

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Corrossive Service PSV

R014 Series Safety Relief Valves – Special Corrosive Service

REGPORT offer special design with PTFE seating for the corrosive media like acidic or base vapors, wherein metallic nozzle and disk are not preferred due to either compatibility or cost involved.

In this specific design, the Nozzle is made up of PTFE and the disk shall be GFT. This provides excellent seating and ensures as good as zero leakage through valve when it is closed. Also, we provide PTFE/Halar coating to the body and bonnet from inside to ensure the corrosion resistance in the event of opening of the safety relief valve. Special arrangement for holding the PTFE Nozzle is provided. The internals like Disk Holder, Stem and Guide are provided in AISI 316L to facilitate the corrosion resistance.

Eminently installed on GLR, HCL, Chlorine or excessively corrosive fluid lines, mainly in Pharmaceuticals or Chemical Plants as these provide a cost effective solution as compared to combination of PTFE Rupture Disc with SS Safety Relief Valve.

R014 Series Safety Relief Valves Special Corrosive Service

Features

Design : Full Nozzle Full Lift
PTFE Seating with zero leakage at operating pressure
Closed Bonnet with PTFE/ Halar coating from inside to enhance the life of PSV
Over Pressure and Blow Down as per API 521 and ASME
Tamper - Resistant Adjustment ie Cap Screwed / Bolted
Wide set range for various applications
Accurate low pressure relief
Specially designed PTFE sleeved designs for higher sizes and set pressures
Wide material range like CS+PTFE, SS304+PTFE, SS316+PTFE etc

Material Of Construction

Body & Bonnet

CS A216 Gr WCB (standard) + PTFE Coating, CF8+ PTFE Coating, CF8M+ PTFE Coating or any other material on request.

Nozzle & Disc

PTFE (standard) OR PTFE Sleeved SS316 as per process requirement and Disc GFT

Stem and Disc Holder

St St316L (standard) or any other material like Hast’C or Monel etc on request

Spring

Carbon Steel IS4454 Gr.II / III, H12, EN47, SS302, SS316, Inconel X750 or any other material on request.

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