Model 945-PA-E Pipe-Away Tank Vent with Deflagration Protection Valve

Performance Features

  • Designed for pressure and vacuum relief
  • High flow capacity
  • Provides protection against atmospheric deflagrations for explosion groups up to and including IIB3 (NEC Group C)
  • ATEX 2014/34/EU certified to EN ISO 16852: 2016
  • Complies with API 2000 Seventh Edition / EN ISO 28300
  • Weight-loaded offset pallet design; discharges to outlet pipe (mechanism is internal to protect from external weather and environmental conditions)
  • Achieves full opening (flowing pressure/vacuum) at 10% overpressure
  • Provides premium sealing with premium PTFE seals. Other seal options available upon request
  • Leak tightness exceeds API 2000 / EN ISO 28300 requirements
  • Pallets, seats & stem-guides made from stainless steel
  • Pipe away positive pressure connection aides with emission control

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  • Specification Options
  • Materials
  • Documentation

Protection

  • Gas/air or vapor/air mixtures of gas groups IIA (NEC group D) and IIB3 (NEC group C). Others available upon request

Connection Type

  • EN or DIN: 1092-1
  • JIS B 2220
  • ANSI / ASME B.16.5

Other types available upon request

Compliance with Guidelines

  • ATEX 2014 / 34 / EU Certified to EN ISO 16852:2016
  • EN ISO 28300
  • API Standard 2000 7th Edition

Materials of Construction

  Stainless Steel Aluminum Carbon Steel FEP Other Materials on request
Diaphragm  
Valve Set/Pallet
Valve Seat      
Body  

Dimensions

Size A B C D E Weight* (lbs/kg)
in mm in mm in mm in mm in mm in mm
2 x 2 50 x 50 5.827 148 8.890 226 17.638 448 7.874 200 17.823 453 Consult with BS&B
3 x 3 80 x 80 5.787 147 9.587 244 19.272 490 8.858 225 18.130 461
4 x 4 100 x 100 8.19 208 11.89 302 26.30 668 12.60 320 19.06 484
6 x 6 150 x 150 9.69 246 14.82 377 30.85 783 14.76 375 22.70 577
8 x 8 200 x 200 10.94 278 16.18 411 35.35 898 17.32 440 25.26 642
10 x 10 250 x 250 13.70 348 17.41 442 43.82 1113 20.87 530 28.15 715
12 x 12 300 x 300 13.58 345 18.56 471 47.32 1202 24.17 614 29.70 755

* Dependent on set pressure

Model 945-PA-E Dimensions Illustration

Product Literature

Model 945-PA-E Brochure

Installations