Safety Valves · Back-Pressure Independent

Danfoss BSV 8 Safety Relief Valves

Danfoss Authorized Distributor (China) Wenzhou Phonetoo is an authorized Danfoss distributor in China — listed in the official Danfoss dealer directory.

BSV 8 is a standard, back-pressure independent safety relief valve, designed for protection of small refrigeration components against excessive pressure — and as a pilot valve for the pilot-operated internal safety valve, type POV. The angle-way design operates reliably even with very high back pressure, and the tightly sealed spring housing avoids refrigerant leakage.

Wenzhou Phonetoo Electromechanical Co., Ltd. is an authorized Danfoss distributor in China. Contact us for availability, pricing and delivery time.

Key features

  • Back-pressure independent function — recommended as an internal safety relief valve; also usable externally
  • Set pressure range 10 – 25 bar (145 – 363 psig)
  • For HCFC, HFC, R717 (ammonia) and R744 (CO2)
  • Designed as a standard safety relief valve to DIN 3320 for refrigeration plants
  • Standard pressure-setting valves with TÜV pressure setting certificate available
  • Meets the strict quality and safety demands of the international classification societies

Technical data

ParameterBSV 8
Inlet flow diameter8.0 mm (5/16 in.)
Set pressure range10 – 25 bar (145 – 363 psig)
Valve typeAngle-way safety relief valve
Back pressureIndependent
RefrigerantsHCFC, HFC, R717 (ammonia), R744 (CO2)
Design standardDIN 3320

Code numbers

Ordering codes for Danfoss BSV 8 safety relief valves. Construction and test facilities are approved by TÜV. Fittings for connections must be ordered separately. Confirm the exact type and code number in your RFQ and we will quote it.

Certified BSV valves with standard set pressure

Size [mm / in.]TypeSet pressure [barg / psig]Part No.
8 / 5/16BSV8 T 21010 / 1452416+200
8 / 5/16BSV8 T 21111 / 1602416+309
8 / 5/16BSV8 T 21212 / 1742416+310
8 / 5/16BSV8 T 21313 / 1892416+201
8 / 5/16BSV8 T 21414 / 2032416+311
8 / 5/16BSV8 T 21515 / 2182416+312
8 / 5/16BSV8 T 21616 / 2322416+221
8 / 5/16BSV8 T 21717 / 2472416+313
8 / 5/16BSV8 T 21818 / 2612416+202
8 / 5/16BSV8 T 21919 / 2762416+225
8 / 5/16BSV8 T 22020 / 2902416+203
8 / 5/16BSV8 T 22121 / 3052416+204
8 / 5/16BSV8 T 22222 / 3192416+224
8 / 5/16BSV8 T 22323 / 3342416+314
8 / 5/16BSV8 T 22424 / 3482416+315
8 / 5/16BSV8 T 22525 / 3632416+205

Certified BSV valves with standard set pressure and TÜV pressure setting certificate with each valve

Size [mm / in.]TypeSet pressure [barg / psig]Part No.
8 / 5/16BSV8 T 31010 / 1452416+316
8 / 5/16BSV8 T 31111 / 1602416+317
8 / 5/16BSV8 T 31212 / 1742416+318
8 / 5/16BSV8 T 31313 / 1892416+206
8 / 5/16BSV8 T 31414 / 2032416+319
8 / 5/16BSV8 T 31515 / 2182416+320
8 / 5/16BSV8 T 31616 / 2322416+222
8 / 5/16BSV8 T 31717 / 2472416+321
8 / 5/16BSV8 T 31818 / 2612416+207
8 / 5/16BSV8 T 31919 / 2762416+322
8 / 5/16BSV8 T 32020 / 2902416+208
8 / 5/16BSV8 T 32121 / 3052416+209
8 / 5/16BSV8 T 32222 / 3192416+210
8 / 5/16BSV8 T 32323 / 3342416+323
8 / 5/16BSV8 T 32424 / 3482416+324
8 / 5/16BSV8 T 32525 / 3632416+211

Nipples and gaskets (order separately)

DescriptionCode no.
Nipples + gaskets set, for stand-alone SFV 15 / SFA 15 / BSV-8148F3019
Nipples + gaskets set, for system POV + BSV148H3453