Reference Manual

CHEMICAL

or m

e in

formation: www.fisher.com

Fisher

Design ES Valve Eliminates Leaks

In Hydrogen-to-Flare Application

RESULTS

•An $8,000 valve saves $800,000 USD per year through

improved shutoff.

•The valve eliminated the leak by using a match plug and

seat, with extra seat load. It was tested by measuring

downstream temperature. (Hydrogen heats up after a

large pressure drop).

•The Fisher

Design ES valve replaced a competitor's

valve, provided control (on average) better than 1%,

and paid for itself in 3.8 days.

APPLICATION

Pressure control valve to high-pressure flare.

CUSTOMER

An oil refinery in Texas.

CHALLENGE

A two-inch, 600# globe valve was leaking hydrogen directly to the flare.

iguring the price of hydrogen at $2200 per MMSCF, any leak was costly.

In this ca

se, the leakage (>1 MMSCFD) represented more than

$800,000/y

ear in lost hydrogen.

ydrogen leakage rate was a minimum of 1 MMSCFD (41,667 SCFH).

Blockin

g in the valve and comparing production verified the leakage. At

at time, the price of hydrogen was between $1800 and $3200 per

SCF. An Operations Support Engineer (OSE) advised the team to use

$2200 pe

r MMSCF for the average hydrogen cost to justify this

vestment.

FIELDVUE digital valve

controllers enable on-line

performance monitoring and

diagnostics of control valves.

REFINING

PAGE 1
REFINING CHEMICAL Fisher® Design ES Valve Eliminates Leaks In Hydrogen-to-Flare Application RESULTS • An $8,000 valve saves $800,000 USD per year through improved shutoff. • The valve eliminated the leak by using a match plug and seat, with extra seat load. It was tested by measuring downstream temperature. (Hydrogen heats up after a large pressure drop). • The Fisher® Design ES valve replaced a competitor's valve, provided control (on average) better than 1%, and paid for itself in 3.8 days.
PAGE 2
POWER GENERATION REFINING SOLUTION Jim Pfeil (account manager) and Craig Jeane (valve asset manager) of Puffer-Sweiven, Emerson Process Management's local business partner in Houston, Texas, used the cost of the lost hydrogen to justify the valve replacement. They recommended a new Fisher® valve with Class V shutoff, a Type 667 size 46 actuator, and a FIELDVUE® fieldbus digital valve controller with Advanced Diagnostics (AD) capabilities.