The products

Besa designs and manufactures safety valves suitable for the discharge of aeriform and liquids. Besa safety valves are designed, manufactured and selected in compliance with European Directives 2014/68/EU (NEW PED), 2014/34/EU (ATEX) AND STANDARDS EN 4126-1, EN 12516, ASME B16.34, API 520, API 526.

SeriesMain features


ModelFlangedThreadedOpen capClose capFull nozzleSemi nozzleMax pres. (barg)EN4126API526For gasFor liquidsCE PEDCE ATEXEACRINAG.L.B.V.RTN
130
Same inlet / outlet DN


13140
130
Same inlet / outlet DN


13240
130
Same inlet / outlet DN


131b40
130
Same inlet / outlet DN


132b40
139Threaded and
slip-on flanges
connections
139500
240



24140
240



24240
240



241b40
240



242b40
240
Thermoplastic
lined body and
PTFE bellow
241T10
240
Thermoplastic lined body
PTFE bellow
PTFE full nozzle
241Tb16
240
PTFE bellow
PTFE full nozzle
241bT16
240



241F40
240



242F40
240



241bF40
240



242bF40
249
Threaded and
slip-on flanges
connections
249500
250


251160
250


252160
260


261400 (DN25)
260


262400 (DN25)
271PFA lined body
PTFE bellow

27116
280According to API 526


281250
280According to API 526


282250
290According to API 526
With adjusting ring

291250
290According to API 526
With adjusting ring

292250
BESA CATALOGUE PDF

139 – 240 – 249 series

Threaded

MAIN FEATURES

  • Threaded connections GAS/NPT from DN 1/4″ to DN 2″
  • Valves available with semi or full nozzle
  • Standard materials of construction: cast iron, carbon steel, stainless steel
  • Set pressure from 0,25 to 500 bar
  • Certifications: PED/ATEX/RINA/G.L./B.V./GOST-R/RTN

130 – 240 – 250 – 260 – 280 – 290 series

Flanged

MAIN FEATURES

  • Flanged connections EN/ANSI from DN 15 (1/2″) to DN 250 (10″)
  • Valves available semi or full nozzle
  • Standard materials of construction: cast iron, carbon steel, alloy steel, stainless steel
  • Set pressure from 0,2 to 400 bar
  • Certifications: PED / ATEX / RINA / G.L. / B.V. / GOST-R / RTN

139 – 249 – 250 -260 – 280 -290 series

High Pressures

MAIN FEATURES

  • EN/ANSI flanged connections from DN 25 (1″) to DN 200 (8″)
  • GAS/NPT threaded connections from DN 1/4″ to DN 1″
  • Valves available with semi or full nozzle
  • Standard materials of construction: carbon steel, alloy steel, stainless steel
  • Set pressure from 0,25 to 500 bar
  • Certifications: PED/ATEX/RINA/GOST-R/RTN

280 – 290 series

API 526

MAIN FEATURES

  • API 526 compliant safety valves
  • ANSI B16.5 flanged connections from DN 1″ to DN 8″
  • Valves available with full nozzle
  • Standard materials of construction: carbon steel, alloy steel, stainless steel
  • Set pressure from 0,5 to 300 bar
  • Certifications: PED/ATEX/GOST-R/RTN

240 – 271 series

PFA coated

MAIN FEATURES

  • PFA® lining
  • Flanged connections DN 25 (1″) and DN 150 (6″)
  • Set pressure from 0,2 bar to 16 bar

Exclusive

Special Executions

Some of the valves with special executions that BESA is able to provide on its products to meet the needs of its customers.

Certifications

Below are the main certifications obtained by BESA for the safety valves it produces.

Applications

The main fields of application for BESA safety valves are: boilermaking, energy, pharmaceutical, marine, petrochemical, skid manufacturers, chemical industry, cryogenic and oxygen treatments, food industry, LPG/LNG energy storage and transportation, onshore and offshore oil and gas, power generation, LNG/LPG.

Wikipedia - Safety valve