Specification NH-1 Rev.:4/11/2010

Chemical Injection Technologies
Product/Specification Bulletin
SUPERIOR™ Gas Ammoniator Series NH-1
Direct Cylinder Mounted - All Vacuum
to tighten or loosen ferrule nuts without tools.

GENERAL DESCRIPTIONThe SUPERIOR™ Series NH-1 Gas Ammoniator is a state-of-the-art,
vacuum-operated, solution feed type which mounts directly on aammonia cylinder valve. The ammoniator is mounted onto theammonia cylinder valve using a very heavy-duty, positive yoke clamp
connection. A ammonia gas flow meter panel indicates the amountof ammonia being fed and may be located wherever it is safest andmost convenient. Ammonia flow rate is manually adjusted and thedesign permits easy addition of a number of automatic flow rate
control devices. A high efficiency, water operated ejector produces
the vacuum necessary to operate the system. The ejector assembly
contains a back-flow check valve system to prevent pressurized waterfrom entering the ammoniator. A spring-opposed diaphragm vacuum
regulator controls the ammonia gas flow rate and also acts as thesafety shut-off valve.

11. Fewer parts, combined with SUPERIOR™ materials and aSUPERIOR™ design gives you a SUPERIOR™ Gas Ammoniator.

FLOW METER CAPACITIESSUPERIOR’s™ modular design concept allows the ammonia gas
indicating meter and flow rate control valve to be located wherever it
is most convenient for the operator, and also in the safest location.
Variable area flow metering tubes are available with dual
English/Metric scale maximum capacities of 0.8, 1.5, 4, 10, 25, 50 and100 pounds per 24 hours of ammonia gas, as well as 15, 30, 75, 200,500, 1000 and 2000 grams per hour, respectively. All metering tubesare interchangeable and may be changed in the field without special
tools.

FEATURES

MODULAR DESIGNThe SUPERIOR™ Series NH-1 represents themost modern design technology coupledwith the very best materials available tocreate an outstanding, user friendly piece ofequipment. It is designed with user safety
as a primary concern.

SUPERIOR™ Gas Ammoniators have been
designed to give the maximum flexibility insystem installation. Each component of theammoniator, vacuum regulator, metering
tube panel, and ejector can be placed
wherever it is safest and most convenient foroperating personnel. The regulator may be
mounted on the ammonia cylinder in a safe
storage area while the remote meter tube
panel is placed in an easily accessible placesince it operates completely under vacuum.
The ejector can be located whereverplumbing and/or hydraulic conditions makeit most desirable. Modular design also
makes it easy and inexpensive to expand or
upgrade the system.

1. A new ultra-thick, fluoroplastic yokecoating gives superior corrosion resistance,
won't crack, peel or chip. Ammonia will not
diffuse through it to cause coating bubblingand peeling.
2. All molded parts are fiber-glass reinforced
ABS plastic, designed for superior strength,
warp- resistance and ammonia resistance.
3. The rate valve "Seat" is pure fluoroplastic
and will not swell, stick or become brittle
with age or exposure to liquid ammonia.

M A T E R I A L S
CONSTRUCTION

4. All external bolts and nuts are Titanium forc o m p le t e c o r r o si o n r e si st a n c e . . a
SUPERIOR™ exclusive.

One of SUPERIOR™'S major competitive
advantages is the use of the finest, strongest
and most durable materials available.
Extensive use of Fluoroplastics andfiberglass reinforced thermo-plastics allow
SUPERIOR™ Gas Ammoniators to withstandattack by ammonia in any form and to givethe longest operational life. Many parts areguaranteed for the life of the equipment
against ammonia damage.

5. Extra heavy-duty outlet threads on theejector diffuser prevents accidental
breakage from over-tightening or "bumping"of the ejector assembly.
6. The "Universal" ejector diffuser allows useof high pressure solution hose, direct ejector
mounting in mains, or in-line piping withrigid solution pipe.
7. Easier to service and perform routine maintenance, with standard
size wrench lugs provided on all screwed-together ejector parts. No
more pipe wrenches to accidentally tear and scrape plastic surfaces.
8. All vacuum fitting holes are heavily reinforced to prevent thepossibility of cracking from over-tightening fittings.
9. "Dual-pressure" check valve is standard on all SUPERIOR™ gas
Ammoniators. Proven high back-pressure unitized check valve
design protects against sudden surges up to 300 PSIG while a springloaded diaphragm check provides positive shutoff even when there
is no back-pressure to force the seat Closed.
10. PVDF vacuum tubing fittings are standard..another SUPERIOR™
exclusive. "User friendly" design makes it easy to attach tubing, andPub: Specification NH-1, Rev: 11042010

O F

SYSTEM OPERATION
The vacuum regulator is securely clamped onto the ammonia cylinder
valve. Water under pressure flows through the ejector at high velocity
which causes a strong vacuum to be created. This opens the checkvalves in the ejector assembly and transmits a vacuum signal throughthe remote meter tube/rate valve panel and back to the vacuum
regulator. When the vacuum reaches a pre-set level, the diaphragmin the regulator moves to open the ammonia inlet safety valve,permitting gas to flow from the ammonia cylinder. The springopposed diaphragm and inlet valve regulate the vacuum at this point.
Ammonia gas passes through the remote flow meter panel and rate
control valve to the ejector. The gas mixes with the ejector water andis discharged through the diffuser into the water being treated.

Copyright © 2006, Chemical Injection Technologies, Inc.

Printed in U.S.A.

SPECIFICATIONS
The ammoniator shall be SUPERIOR™ MODEL NH-1 manufactured by
Chemical Injection Technologies, Inc., Ft. Pierce, Florida, and shallhave a maximum capacity of _______ pounds per day (gr/hr)ofammonia feed and shall be equipped with a ammonia flow meter of_______ pounds per day (gr/hr).
The ammoniator shall be of modular design consisting of a vacuum
regulator, flow meter/rate valve panel, and ejector/check valve. Eachof these assemblies shall be capable of being individually locatedwherever safety and/or operator convenience dictates.
The vacuum regulator shall mount directly on the cylinder valve bymeans of a positive yoke type clamp having an integral tightening
screw with slide bar handle. No wrenches or other tools shall be
required to mount or dismount the vacuum regulator from thecylinder. The cylinder valve/ammoniator inlet adaptor shall be
constructed of stainless steel which shall be inert to the effects ofwet, dry or liquid ammonia. The inlet safety shut-off/vacuum
regulating valve shall be of capsulated design, easily removable asa unit from the outlet side of the yoke. A fluoroplastic filter shall be
installed in the vacuum regulator inlet and shall be capable ofremoving impurities greater than 25 microns. A pressure relief valve
shall be incorporated into the vacuum regulator to prevent pressure
from building up in the system. All external screws and nuts shall bemade of Titanium to prevent corrosion.
The flow meter/rate control valve panel assembly shall be separate
from the vacuum regulator and ejector assemblies and shall becapable of mounting wherever it is safest and most convenient for
operating personnel. The panel shall be constructed of fiberglass
reinforced thermoplastic material and shall incorporate a flow rate
control valve made of fluoroplastic material which is inert to the
corrosive effects of ammonia. The rate valve metering tip shall be
constructed of pure silver. Design shall provide for full closing of therate valve without engaging the control surfaces, to prevent damage.
Vacuum shall be created by a fixed-throat venturi/ejector system
connected directly to the ammonia solution diffuser. A dual highpressure/low-pressure check valve system shall prevent water fromentering the gas system. The ejector assembly shall be capable ofwithstanding water pressure up to 300 PSIG (20.7 Bars). A universal-

type ammonia solution diffuser shall be provided which shall allow
close-coupling of the ejector to a water main, use of flexible solution
hose or rigid solution pipe without the use of special adaptors.

STANDARD ACCESSORIES
25 ft. - 3/8" Vent & vacuum tubing
10 - Lead cylinder connection gaskets
1 - Cylinder Wrench
1 - Vent insect screen

OPTIONAL ACCESSORIES AVAILABLEInlet Water Assembly
Wall manifold kits
Booster pumps
Residual Analyzers
Automatic Controls
Ton Container Adaptors

Gas Masks
Gas Detectors
ScalesGaugesAmmonia Comparators
Others Available

OTHER SUPERIOR™ SYSTEMS AVAILABLE
AUTOMATIC SWITCHOVER GAS CHLORINATORSMULTIPLE-POINT GAS CHLORINATORS
200 POUNDS PER DAY (5 KG/HR)
500 POUNDS PER DAY (10 KG/HR)GAS SULFONATORS (DECHLORINATION)
CHLORINATORSAUTOMATIC FLOW PROPORTIONING
AUTOMATIC RESIDUAL CONTROL____________________________________________

Chemical Injection Technologies, Inc.
835 Edwards Rd., Ft. Pierce, FL, 34982, USA(772) 461-0666
Fax: (772) 460-1847
E-Mail: superior@chlorinators.com
www.chlorinators.com_______________________________