Model 943 End-of-Line Pressure/Vacuum Tank Vents

Pressure & Vacuum Vent

Model 943 End-of-Line Pressure/Vacuum Tank Vents

Performance Features

  • Side-mount design
  • Suitable for normal vacuum relief
  • Complies with API 2000 Seventh Edition / EN ISO 28300
  • Certified to ATEX – Directive 94/9/EC
  • Weight-loaded pallet design; intake from atmosphere
  • Achieves full open (flowing pressure) at just 10% overvacuum
  • Provides premium sealing with FEP diaphragms (metal-to-metal available for special requirements or higher settings)
  • Leakage rates much tighter than API 2000/EN ISO 28300 requirements
  • Screen protects valve internals from environment and contamination
  • Pallet, seat & stem-guide made from stainless steel
  • Modular design reduces requirements for inventory of spare parts

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  • Specification Options
  • Materials
  • Documentation

Protection

  • Gas/air or steam/air mixtures II ½ G c IIB T X

Connection Type

  • EN or DIN: ISO 7005 - PN10
  • JIS B 2220 - 10k
  • ANSI: ANSI B.16.5 - 150 RF

Other types available upon request

Compliance with Guidelines

  • ATEX IBExU14ATEX1121 X

Materials of Construction

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

Painting Options Available

Dimensions

DN A B ØD H
in mm in mm in mm in mm in mm
2 50 4.92 125 3.74 95 6.69 170 7.87 200
3 80 6.29 160 4.21 107 8.86 225 10.43 265
4 100 6.42 163 4.69 119 8.86 225 11.42 290
6 150 8.27 210 5.51 140 12.59 320 12.20 310
8 200 9.76 248 6.49 165 14.76 375 13.98 355

 

 

Product Literature

Model 943 Brochure

Installations

Model 943 – 50 to 200 Installation Instruction