Model 942-EV End-of-Line Emergency Pressure Tank Vents

Emergency Vent Pressure Vent

Model 942-EV End-of-Line Emergency Pressure Tank Vents

Performance Features

  • Suitable for both normal and/or emergency pressure relief
  • Complies with API 2000 Seventh Edition / EN ISO 28300
  • Certified to ATEX – Directive 94/9/EC
  • Weight-loaded pallet design; discharges to atmosphere
  • Achieves full open (relieving pressure) at just 10% overpressure
  • 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
  • Weather-hood and screen protect pallet/seat from environment and contamination
  • Pallet, seat & stem-guide made from stainless steel
  • Modular design reduces requirements for inventory of space 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

  • Guideline 94/9/EC (ATEX 95)
  • EN ISO 28300
  • EN1127-1
  • EN 13463-1
  • EN13463-5
  • API Standard 2000 7th Edition (March 2014)

Materials of Construction

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

Painting Options Available

Dimensions

DN A B ØD H Thread Weight *
in mm in mm in mm in mm in mm in kg
2 50 1.69 43 0.65 16.5 7.87 200 5.12 130 M16 or 5/8 UNC 4.3
3 80 1.89 48 0.79 20 10 250 6.1 155 7.2
4 100 1.89 48 0.79 20 11.81 300 6.69 170 8.4
6 150 2.28 58 0.87 22 14.17 360 9.84 250 M20 or 0.75 UNC 15
8 200 2.28 58 0.87 22 17.13 425 10.83 275 18
10 250 2.28 58 .087 22 21.06 535 12.99 330 M20 or 0.875 UNC 26

* Dependent on set pressure

 

 

 

 

 

 

 

Product Literature

Model 942-EV
Model 943
Model 944
Model 937-E

Installations

937-E – 50/1x0.9 to 300/1x0.9
942-EV Installation Instruction