ESS2 Valve Data - AAA Products International

AAA Products International Inc.
7114 Harry Hines Blvd.
Dallas, Texas 75235
214-357-3851

Data for ESS2

The ESS2 is a 1/4" NPTF side ported, 2 position, double solenoid operated valve. The spool is shifted by 25 to 150 psi internal pilot air derived from pressure in port 1 when the solenoid is energized. The spool is returned when the solenoid is de-energized and the opposite solenoid is energized. See additional information on solenoid valve operation. Coil is an 11mm/Industrial Type B connecter pin pattern. Coil requires an Industrial Type B DIN cap. Standard voltage is 120/60, indicate other voltages (i.e. 12VDC, 24VDC, 240/60 etc.).

Details

Pressure: 25 to 150 psi on the main body of the valve when solenoid is internally piloted.
Vacuum: The valve cannot be vacuum operated when the solenoid is internally piloted.
Temperature: -20°F to 120°F ambient. Caution: If it is possible that the ambient temperature may fall below freezing, the medium must be moisture free to prevent internal damage or unpredictable behavior.
Mounting: The spool is friction positioned so the valve must be mounted with the spool in a horizontal orientation.
O-Rings: Viton.
Solenoid Seat: Viton.
Materials: Black anodized 6061-T6 aluminum body, hard anodized aluminum spool, Viton solenoid seat, composite gaskets, steel fasteners.
Flow: 73.9 SCFM, 1.6 Cv
Repair Kit: ERKV-3.
3-Way or 5-Way: This valve is basically 4-way, it must be configured for external pilot (Option 'Z') for 5-way service by using ports 2 or 4 as an inlet, or 3-way service by plugging the unused port 2 or 4.
Fluid Media: Soft seal models are made for air, vacuum, and gases compatible with component materials. They should not be used with liquids.
Weight: 1.70 lbs.

"E-Series" Operator - Standard

The standard operator is equipped with a non-locking manual push override and a 1/8" NPT external pilot port. For external pilot operation, the internal pilot pressure must be blocked and the plug must be removed and external pilot source must be provided (150 psi maximum). All operators have internally threaded exhaust stems. The thread fits 10-32 UNF or 5mm-0.8 fittings. Solenoid operator is equipped with a non-locking manual override on the side of the solenoid structure. To activate manual override, the inset red plunger must be depressed, red plunger returns when released. For replacement operators order ESPK which is a V-550-1 operator and an EMG3 gasket (individual operator components are not available).

Material: Brass, steel, stainless steel, Viton seat.
Molding Material: Thermoplastic.
Ambient Temperature: -20°C to +50°C.
Internal Diameter Orifice: 1.3mm

"E-Series" Coil - Standard

The standard coils are a DIN 43650-B style with a 11mm/Industrial Type B connector pin pattern (mini connector, 11 mm contact distance). DIN caps are ordered as a separate line item. Voltage must be specified when ordering. If no voltage is specified, then 120/60 is provided. Other voltages not shown below are available. Coil can be rotated in 90° increments on operator stem when space is available. An approved cap must be used when connecting to an electrical source. The longer tab is the ground (earth). Either shorter tab can be connected to hot (+) and the other connected to neutral (-).

Voltage	Pick-Up	Holding	Resistance	Spare Coil
24 volts, 50/60 Hz	7.1 VA	5.8 VA	27.4 ohms	V-551-2
48 volts, 50/60 Hz	7.7 VA	6.2 VA	97.9 ohms	V-551-3
110 volts, 50 Hz, 120 volts, 60 Hz	7.8 VA	6.3 VA	619 ohms	V-551-1
240 volts, 50/60 Hz	7.8 VA	6.3 VA	3400 ohms	V-551-4
12 volts D-C		4.6 Watts	27.4 ohms	V-551-2
24 volts D-C		4.8 Watts	97.9 ohms	V-551-3
60 volts D-C		4.3 Watts	619 ohms	V-551-1

Molding Material: Thermoplastic.
Ambient Temperature: -20°C to +50°C.
Relative Duty Cycle: 100%.
Degree of Protection: IP65 with connector (IP67 possible with accessories).
Certifications: This coil carries the UL certificate of compliance both the standard and Canadian certification. A copy of the certification is available here. The rating only applies to the coil and not the entire valve.
Voltage Tolerance: ± 10%.
Resistance Tolerance: ± 8% at 20°C.
Insulation Class: F

General - DIN Cap - Industrial Type B

DIN caps are not supplied with standard solenoid valves. These caps must be ordered separately. There are several styles of DIN caps. When ordering LED indicator types, you must specify voltage of solenoid coil. All caps listed in the table are for 11mm/Industrial type B coils. LED indicator type caps are equipped with VDR (voltage dependent resistor) surge protection.

**1/2" NPT Conduit Connection**
Voltage	Description	Part No.
All	non-lit	DCC
12 VDC	LED & VDR	DCCL-12
24 VDC	LED & VDR	DCCL-24
120/60	LED & VDR	DCCL-115
240/60	LED & VDR	DCCL-230

**3/8" Cord Grip**
Voltage	Description	Part No.
All	non-lit	DCG
12 VDC	LED & VDR	DCGL-12
24 VDC	LED & VDR	DCGL-24
120/60	LED & VDR	DCGL-115
240/60	LED & VDR	DCGL-230

**2 Meters Cord Pre-Wired**
Voltage	Description	Part No.
All	nonlit	DC2M
12 VDC	LED & VDR	DC2ML-12
24 VDC	LED & VDR	DC2ML-24
120/60	LED & VDR	DC2ML-115
240/60	LED & VDR	DC2ML-230

General - Installation & Maintenance

Valves should be installed with reasonable accessibility for service. Exercise care in keeping tubing lengths to a minimum. Plumbing should be free of contamination. Pipe joint compound should be used sparingly applied only to the thread, never the valve body. Over tightening of pipe threads can fracture the joint causing leaks or failure. Protect the valve from exposure to extreme temperatures, dirt and moisture to maximize life.
Bulletin A-113: Operating & Maintenance Instructions.
Installation: Valve Fitting Installation.

WARNING:These products can expose you to chemicals which is(are) known to the State of California to cause cancer or reproductive harm. For more information, go to www.P65Warnings.ca.gov. Contact us for specific chemicals or materials used in a product.

General - Lubrication, Standard

All valves are pre-lubricated at the factory using Magnalube-G Teflon based all purpose grease. Valves are suitable for, and perform best in a non-lube service. For long life, use an air line filter/lubricator installed no further than 10-ft. from the valve. The filter should be rated 25 pm or finer. Use a good grade of petroleum base lubricating oil no heavier than SAE 10W. DO NOT OVER-LUBRICATE. This could cause the spool to stick. CAUTION! Do not use questionable fluids in air line lubricators. Do not use petroleum oil with detergent additives. Detergents, volatile or aromatic fluids may swell rubber seals in valves and cylinders. Never use cooking or vegetable oil as a lubricant. When cleaning AAA valves after extended service, lubricate the valve spool with AAA high film strength grease, or, use O-ring grease which is usually available from supply houses which sell O-rings. Magnalube-G is included in all valve repair kits for proper valve maintenance. If an additional amount of Magnalube-G grease is required, a 0.75 ounce tube is available under part number VGK-3. Never use any kind of oil, cup grease, or automobile chassis lubricant.

The shelf life of Magnalube-G regularly lasts for 10+ year intervals in closed packaging due to the extremely long operating life of the Elastomer-PTFE gelling agent and premium parafiinic mineral base oil. If the valve is stored for over 2 years, then a small reapplication of grease is suggested.

Magnalube-G Technical Document
Magnalube-G MSDS Document

An alternative grease for low temperature application, refer to Dow-55 grease.

General - O-Ring Information

Unless otherwise specified, all 1/4" and 3/8" soft seal valves come standard with Viton O-rings and all 1/2", 3/4", 1", 1-1/2" and 2" soft seal valves come standard with Buna-N O-rings. If a different material is required, use the dash numbers following the basic valve numbering code. For example, model RY3G-2 will have Silicone O-rings installed for a low temperature application. On valves larger than 1" consult factory on availability of O-ring materials. Additional O-ring material information.

Dash No.	O-ring Description	Temperature Rating
-2	Silicone	-80°F to 400°F
-3	Viton for most aromatic gases	-20°F to 400°F, 600°F for short time
-7	Urethane, 70 Durometer	-65°F to 200°F
-9	Buna-N	-40°F to 250°F

We are constantly researching O-ring materials to evaluate performance and durability in the AAA valve product line. Above is a compilation of the most commonly requested O-ring materials and the associated dash number. If you have a particular application that requires an O-ring material that is not listed, please contact us. Since we utilize standard O-ring dimensions in our valves, we can respond to the most obscure O-ring material request.