WITT Safety Relief Valve SV809 / 810 Get latest price

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• manufactured according to PED 97/23/EG Modules B & F
• opening pressure can be factory set to you specification
• high relief flow
• TUV-certification of pressure setting (if required)
• available in brass and stainless steel (ES)
• mountable in any position / orientation
• sealing material to suit gas & customer request
• compact size for easy, problem free installation
• range of inlet connections (see below)
• with / without condensation outlet
• protective dust cap
• SV810 (manual ventilation) fro checking the safety function
• adaptor available for connection to ventilation pipe

Opening pressure                    from >45 up to 100 bar
Gases                                          all technical gases for which PTFE is resistant to
Material                                       either brass or stainless steel
Spring                                          stainless steel
Seal                                              PTFE
Width across flats                    27mm
Weight                                         260g
Marking                                       CE0044

Flow capacity for air at 23 deg.C (valid only for atmospheric back pressure)

• 46 bar = 12.6 m3/hr
• 55 bar = 23.7 m3/hr
• 65 bar =  48.8 m3/hr
• 75 bar =  81.8 m3/hr
• 85 bar =  116.5 m3/hr
• 95 bar = 147.0 m3/hr
• 100 bar = 158.8 m3/hr
• 45 bar = 665.3 m3/hr

Inlet connections

• 1/4" BSP
• 1/4" NPT
• 3/8" BSP
• 3/8" NPT
• 1/2" BSP
• 1/2" NPT
• 3/4" BSP
• 3/4" NPT
• others on request

Outlet connections

• 1/2" NPTF
• 3/4" NPTF

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To contact Niche Gas Products about WITT Safety Relief Valve SV809 / 810 use Get a quote.