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VNBL-I4VG

Liquip offers a unique balance assembly to be used for bottom loading arms in petrochemical distribution depots.

The VNB series of balance assemblies allow for 360o rotation in the horizontal plane and 15o movment above and below horizontal on the vertical plane, which allow for effortless bottom loading.

 

 

  • Ball and needle rolling elements for optimum axial and radial load bearing with minimum friction.
  • Grease nipple one side of each swivel with relief valve mounted opposite for efficient removal of old grease and debris.
  • Dual o-rings for product seal and dust seal respectively.
  • An adjustable up/down stop is integrated into the balance assembly to ensure the struts do not reach their limit or to keep arm movement clear of obstructions such as roofing.
  • Precise balancing of the arm is achieved by repositioning the bottom of the struts for coarse adjustment and a worm-drive screw at the top of the struts for fine tuning
  • The balance assembly bolts onto the flange terminating the product inlet pipework found at loading depots


     

Working Pressure
1,000 kPa (145 PSI)

Test Pressure
1,500 kPa (218 PSI).

Operating Temperature
 EPDM & Viton B70 grade: -20° to +80°C (-4° to +176°F) 
Viton GFLT grade: -40° to +60°C (-40° to +140°F) 

Mounting
Base flange is 4” ANSI 150 raised face flange.
Outlet flange is 100mm (4”) TTMA pattern.

Materials
-Cast steel construction.
-Brass ball retainer.

Seals
Viton B70 grade o-rings (* Teflon or other special seals available on request).

Weight
60 kg (132lb)

 

VNB-I4: MK2 Loadarm base swivel c/w Viton B70 seals.
VNB-141Z: MK2 Loadarm base swivel c/w Viton B70 seals and 2 x 2800N struts.
VNB-142Z: MK2 Loadarm base swivel c/w Viton B70 seals and 2 x 5200N struts.
VNB-143Z: MK2 Loadarm base swivel c/w Viton B70 seals and 1 x 2800N strut and 1 x 5200N strut.


VNB-I4VG: MK2 Loadarm base swivel c/w Viton GFLT seals.
VNB-I4VG1Z: MK2 Loadarm base swivel c/w Viton GFLT seals and 2 x 2800N struts.
VNB-I4VG2Z: MK2 Loadarm base swivel c/w Viton GFLT seals and 2 x 5200N struts.
VNB-I4VG3Z: MK2 Loadarm base swivel c/w Viton GFLT seals and 1 x 2800N and 1 x 5200N strut.


VNB-I4AVI: MK2 Loadarm base swivel, twin strut c/w Viton GFLT seals & Aviation spec grease.
VNB-I4T: MK2 Loadarm base swivel, twin strut c/w Viton Teflon seals.

VNBL-I4: Left Hand MK2 Loadarm base swivel c/w Viton B70 seals.
VNBL-I4VG: Left Hand MK2 Loadarm base swivel 
VNBL-I4VG1Z: Left Hand MK2 Loadarm base swivel c/w Viton GFLTseals and 2 x 2800N struts.
VNBL-I4VG2Z: Left Hand MK2 Loadarm base swivel c/w Viton GFLTseals and 2 x 5200N struts.
VNBL-I4VG3Z: Left Hand MK2 Loadarm base swivel c/w Viton GFLTseals and 1 x 2800N and 1 x 5200N strut.

VNBL-I4AVI: Left hand MK2 Loadarm base swivel, twin strut c/w Viton GFLT seals & Aviation spec grease.

VNBIV-I4: Inverted MK2 Loadarm base swivel c/w Viton B70 seals.
VNBIV-I41Z: Inverted MK2 Loadarm base swivel c/w Viton B70 seals and 2 x 2800N struts.
VNBIV-I42Z: Inverted MK2 Loadarm base swivel c/w Viton B70 seals and 2 x 5200N struts.

VNBIV-I4VG: Inverted MK2 Loadarm base swivel c/w Viton GFLT seals.
VNBIV-I4VG1Z: Inverted MK2 Loadarm base swivel c/w Viton GFLT seals and 2 x 2800N struts.
VNBIV-I4VG2Z: Inverted MK2 Loadarm base swivel c/w Viton GFLT seals and 2 x 5200N struts.

Liquip bottom loading arms and equipment.

 

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