Categories

9" Emergency Inspection Hatches

Liquip offers a unique 225mm (9") aluminium emergency inspection hatch with a quick opening lid that doubles as an emergency vent with pressure/vacuum relieving vent and rollover protection. Now supplied in metric.

Features & Benefits
  • Easy to open.
  • Two stage opening for added safety.
  • Operates as an emergency vent.
  • Incorporates a standard Liquip pressure vacuum vent for thermal relief of the tanker (optional).
  • Supplied as a complete unit ready for fitting to a tanker or storage tank.
  • A wide variety of seals are available depending on the product being stored or transported.
Technical Information

Standards
Complies with Australian Standard AS2809 and with USA standard NFPA 385 (1990).

2 Stage opening
For safety the hatch has a two-stage opening and also acts as an emergency vent.

Supplied as a complete assembly.

Pressure and Capacity
For emergency vent opening pressure & capacity refer to individual data sheets for Emergency Vent configurations.

Coaming and Seals
The Weld-in coaming is available in aluminium, mild steel or stainless steel.

Wide variety of seals available to suit various applications & products.

PVV Valves
Optional pressure & vacuum vent can be incorporated. For opening pressure & capacity see PVV104 series datasheet.

PVV104: PV vent suitable for Australia/NZ.

PVV104U: PV vent suitable for Rest of World.

PVV104M: PV vent suitable for Australia/NZ (metric).

PVV104UM: PV vent suitable for Rest of World (metric).

PVV104VG: PV vent (PVV104 c/w Klinger gasket) suitable for Australia/NZ. 

PVV104VGM: PV vent (PVV104 c/w Klinger gasket) suitable for Australia/NZ (metric).

PVV104Z: PVV104 Kit suitable for use for SH series swing hatches or flange mounting c/w NBR Cork gasket.

PVV104VGZ: PVV104VG Kit suitable for use for SH series swing hatches or flange mounting c/w Klinger gasket.

PVV104VGMZ: PVV104VGM Kit suitable for use for SH series swing hatches or flange mounting c/w Klinger gasket.

Ordering Information

 

EH230-1-2-3

1 = Coaming Material
   A = Al
   M = M/S

2 = Emergency Vent
   6A = Nitrile seal Australian label [Opens at 30kPa, Capacity: 8,500m3/hr at 45 kPa].
   6AV = Viton seal Australian label [Opens at 30kPa, Capacity: 8,500m3/hr at 45 kPa].
   6U = Nitrile seal UK label [Opens at 24kPa, Capacity: 8,500m3/hr at 45 kPa].
   6UV = Viton seal UK label [Opens at 24kPa, Capacity: 8,500m3/hr at 45 kPa].

3 = PVV Vent
   8O = Blanking plate
   8A = PVV104M - Australia[Opens at 10 to17kPa pressure / 0 to -4 kPa vacuum, Capacity: 98m3/hr at 35 kPa].
   8U = PVV104UM - International. [Opens at 8 to 12kPa pressure / -0.4 to -2.5 kPa vacuum, Capacity: 91m3/hr at 30 kPa].

Associated Equipment

EH230-1M: Steel Coaming (hole required:approx 245mm).

EH230-1A: Aluminium Coaming (hole required: approx 245mm).

Resources