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Esa

OMB Saleri has developed a new automatic CNG cylinder valve called the ESA to meet requirements for heavy-duty applications, high-flow refilling, and extremely low temperatures. The ESA features a compact, ergonomic design that reduces weight and dimensions while still allowing for high flows. It also includes an innovative excess flow limiter, new patented internal layout for high flows, glass bulb temperature and pressure relief device, and double o-ring system tested down to -55°C to ensure sealing at low temperatures. The valve additionally comprises a corrosion-proof, compact solenoid and impregnated coils resistant to thermal shock and water intrusion.

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76 views9 pages

Esa

OMB Saleri has developed a new automatic CNG cylinder valve called the ESA to meet requirements for heavy-duty applications, high-flow refilling, and extremely low temperatures. The ESA features a compact, ergonomic design that reduces weight and dimensions while still allowing for high flows. It also includes an innovative excess flow limiter, new patented internal layout for high flows, glass bulb temperature and pressure relief device, and double o-ring system tested down to -55°C to ensure sealing at low temperatures. The valve additionally comprises a corrosion-proof, compact solenoid and impregnated coils resistant to thermal shock and water intrusion.

Uploaded by

marvin_sl
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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ESA is an automatic CNG cylinder valve designed to meet the newest

market requirements for:

• heavy-duty and medium-duty applications,


• high-flow refilling,
• extremely low temperatures

OMB Saleri R & D has succeeded in developing a unique patented


solution, which includes all the new technical features developed in
recent years
COMPACT BODY
The compact design developed by our engineers
allows a real reduction in both weight and
dimensions, but still guarantees high flows in
refilling, engine alimentation and PRD venting

REDESIGNED HANDWHEEL
Compact
Ergonomic
Easy to handle in high pressure
EXCESS FLOW LIMITER
Developed for high flow heavy-duty applications

Innovative design protects the spring from


unseating and sticking

NEW PATENTED INTERNAL


LAYOUT FOR HIGH FLOW
To enable high flows in both refuelling and
activation of PRD with a 1’’ 1/8 UNF tank
connection, OMB developed a unique and
innovative solution structured with independent
metal pipe arranged concentrically
GLASS BULB TPRD
We have selected a glass bulb TPRD to maintain
compact dimension and to assure immediate
activation
DOUBLE O-RING SYSTEM
To assure the best performance at the low
temperatures, OMB has developed a new sealing
system with two o-rings with two different
compounds.

Our leak testing with this system have reached a


temperature of ‐67.0°F (-55°C)

The double o-ring system has been implemented


for all the sealing points of the valve (see
diagram):
• Solenoid
• Manual tap
• TPRD
DOUBLE O-RING SYSTEM
The main oring is the standard Viton FKM
compound currently in use on OMB valves with
the operation range of -40.0° F (-40°C) to 32.0ºF 
(+85°C.)

In addition to this o-ring we have added a second


backup o-ring in a special FVMQ Fluorosilicone
compound that has its best performance at the
very low temperatures .
NEW SOLENOID
CORROSION PROOF
New solenoid with compact size and reinforced
design against corrosion and water intrusion
developed in cooperation with the major OEMs

IMPREGNATED COILS
A new resin provides a high resistance to thermal
shock and water intrusion
WWW.OMB-SALERI.IT

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