Model 937-E End-of-Line Pressure/Vacuum Tank Vents

Pressure & Vacuum Vent and Deflagration Flame Arrester

Model 937-E End-of-Line Pressure/Vacuum Tank Vents

Performance Features

  • Complies with API 2000 / EN ISO 28300
  • Certified to ATEX – Directive 2014/34/EU
  • Achieves full open (relieving pressure) at just 10% overpressure
  • Flexible seal material choices including FEP, FPM, NBR and others on request
  • Leakage rates much tighter than API 2000/EN ISO 28300 requirements

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  • Specification Options
  • Materials
  • Documentation

Protection

  • Group II EPL Ga/Gb device suitable for use with gas/air and vapour air mixtures of inflammable liquids of explosion group IIA/IIB.

Connection Type

  • EN 1092- PN10
  • ANSI Class 150 B16.5
  • ISO 7005 PN10

Other types available upon request

Compliance with Guidelines

  • ATEX 2014/34/EU
  • EN ISO 80079-36
  • EN ISO 80079-37
  • EN ISO 28300
  • API Standard 2000

Materials of Construction

  Stainless Steel Ductile Iron Carbon Steel FEP Other Materials on request
Diaphragm ✓   ✓ ✓
Valve Set/Pallet ✓ ✓
Valve Seat ✓       ✓
Body ✓ ✓* ✓**   ✓

* Available in sizes DN 50 (2”), DN 80 (3”), DN 100 (4”)
** Available in sizes DN 150 (6”), DN 200 (8”), DN 250 (10”)

Dimensions

DN A B ØD H Weight *
in mm in mm in mm in mm in mm kg
2 50 6.50 165 7.56 192 6.69 170 12.24 311 21
3 80 7.56 192 6.38 162 9.25 235 15.75 400 32
4 100 8.86 225 7.48 190 11.42 290 17.83 453 52
6 150 9.84 250 6.27 210 12.99 330 19.29 490 80
8 200 11.61 295 10.91 277 14.76 375 23.43 595 120
10 250 15.20 386 12.20 310 17.52 445 27.36 695 155

Product Literature

Model 937-E Brochure

Installations

Model 937-E – 50/1x0.9 to 300/1x0.9