Parker U131B01 Istruzioni per il montaggio

FLUID CONTROL DIVISION

Parker Hannifin Corporation

95 Edgewood Avenue

New Britain, CT 06051

Telephone (860) 827-2300 IOMBANJ01

Fax (860) 827-2384 (Rev 0810)

Installation, Operating & Maintenance Instructions

3-Way Normally Closed Direct Acting Solenoid Valves

1/8" & 1/4"

Valve Types: U131B01, U131B02, 131B03, 131B04

WARNING

GENERAL SAFETY INSTRUCTIONS BEFORE INSTALLATION

FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS

DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY

DAMAGE.

The conduit coil contains a green “grounding” wire that must be secured to a proper ground location.

DO NOT cut off the green ground wire. Doing so could negate a proper ground path and leave the valve assembly

unprotected or “hot”.

This document and other information from Parker Hannifin Corporation, its subsidiaries and authorized distributors

provide product and/or system options for further investigation by users having technical expertise. It is important that

you analyze all aspects of your application, including consequences of any failure, and review the information

concerning the product or system in the current product catalog. Due to the variety of operating conditions and

applications for these products or systems, the user, through its own analysis and testing, is solely responsible for

making the final selection of the products and systems and assuring that all performance, safety and warning

requirements of the application are met. Usage of the device in a manner that is contrary to these Operating

Instructions or the application conditions and specification provided in the Catalog is improper and will void your

warranty.

The products described herein, including without limitation, product features, specifications, designs, availability and

pricing, are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice.

Carefully read installation, operation and maintenance procedures prior to installing or servicing valve.

Do not use valve as a safety shut-off valve when making repairs.

Do not install a valve or attempt to repair a valve before depressurizing system down to atmospheric pressure and

removing electrical voltage.

Care must be taken to ensure the proper use of the valve and that the valve materials selected are suitable for the

media being handled. Parker assumes no liability for damage caused by improper material selection in the case of

corrosion from aggressive media.

Caution: Do not, at any time, make any alteration or modifications to any valve without the express and written

approval of Parker’s Fluid Control Division.

Description

These valves are direct operated 3-way normally closed solenoid models. The valves mount directly to a piston or

diaphragm actuator enclosure including process control valves and angle seat valves.

The 3-way valves are offered in anodized aluminum body construction. Valves may be ordered with either DIN or

Conduit integrated coils for ordinary locations. DIN coils with cable gland or conduit connector meet NEMA 4, 4X.

Product Features

The valves comprise a standard locking manual override providing operation without electrical supply.

The valves are offered with the following standard features:

-Direct mounting to valve actuator enclosure without extra fittings.

-AC and DC voltage compatibility for easy coil interchange.

-Small size for a low profile.

-22mm DIN coil for direct mounting in non-explosive environments.

-DIN coils UL Recognized, CSA Approved.

-Standard Fluid temperature 14°F (-10°C) to 122°F (50°C).

-Standard Class F DIN or Conduit coils to meet application needs.

Principles of Operation

3-Way Normally Closed Valves

Solenoid de-energized: Pressure is connected to inlet port (#1) and is blocked by the plunger seal pressing against

the body orifice allowing the actuator to exhaust through the valve exhaust port (#3).

Solenoid Energized: The plunger is lifted off the orifice allowing flow though the valve for actuator functioning.

NOTE: No minimum operating pressure is required. Energizing the coil creates a magnetic force sufficient to move

the plunger within the sleeve assembly allowing flow from the inlet port to the outlet port.

MANUAL OVERRIDE

Manual override - The unit is shipped with a standard latching manual override. To engage the manual stem, turn the

slotted stem clockwise 1/4 turn for continuous flow through the valve (to the #1 position stamped on valve). The valve

will remain in the position as when the solenoid is energized. To disengage the manual stem and return the valve to

the de-energized position, turn the stem counterclockwise 1/4 turn (to the #0 position) allowing the override stem to

disengage and return to its original position thereby stopping flow through the valve. The manual override operator

allows manual operation when desired or during an electrical power outage.

WARNING: For valve to operate electrically, the manual override stem must be fully disengaged.

Fluid Codes

Listed below are the common fluid codes The codes for the approved fluids for use with each valve are printed on

the outside of the individual packaging.

CODE FLUID

A - Air or non-toxic, nonflammable gases

For the maximum fluid temperatures, as well as valve ambient temperature limitations, check the valve part number

on the nameplate and refer to the Banjo Valve bulletin.

Installation Instructions

Prior to installing the solenoid valve, depressurize the pipes and clean them internally to avoid particles entering

the system (tape sealant, thread compound). The valves may be mounted in any position.

Mounting position and pressure limits:

Valve with DIN or Conduit Coil:

The valve is mounted directly to the actuator by screwing the banjo bolt directly into actuator inlet port and is designed

to operate in any position. Torque banjo bolt to 35 to 45 in-lbs (4 to 5 Nm). Do not use the sleeve or enclosure as

a lever when applying torque.

Line pressure, voltage and frequency must conform to nameplate rating. Allow adequate clearance above valve for

removal of coil.

Valve Piping: Correctly support and align pipes to prevent mechanical strain on the valve. Connect line pressure to

the inlet port (see dimensional drawing, port 1). Use of tape sealant, thread compound or sealants is permissible, but

should be applied sparingly to male pipe threads only. To avoid damage to the equipment, DO NOT OVERTIGHTEN

pipe connections.

Media filtration: Normally, filtration is not required, but dirt or foreign material in the media may cause excessive

leakage, wear, or in exceptional cases, malfunction. If filtration is used, install the filter on the inlet side as close to

the valve as possible. Clean the filter periodically depending on service conditions.

Lubrication: Lubrication is not required although line lubrication will increase valve life.

ELECTRICAL CONNECTIONS

General Recommendations and Safety Precautions

-Electrical connection must be made by qualified personnel using standard electrical practices in

compliance with local authorities and the National Electrical Code.

-Depending on the voltage, electrical components must be grounded according to local standards and

regulations

-The valves are designed for continuous duty operation. To prevent the risk of personal injury, do not

touch the solenoid operator which can become hot under normal operating conditions.

-The solenoid coil must be assembled to the valve sleeve operator for proper valve operation. Failure to

assemble the coil to the valve before applying system voltage will permanently damage the coil

within a short period of time.

-The electrical supply must conform to the nameplate rating.

Banjo BoltManual Override Stem

Valve Inlet Pressure Port Connection

ELECTRICAL CONNECTIONS (continued)

WARNING:Turn off electrical power before connecting the valve to the power source.

If the coil assembly is located in an inconvenient orientation, it may be reoriented to facilitate installation. Loosen coil

assembly nut, rotate coil assembly to the desired position, and then retighten the nut with an input torque of 4.0 to 5.0

in-lbs. [0,5 Nm].

DIN Coil (ND1) and various cable option terminations: Electrical connection is made with detachable DIN 43650

B plug connector for cable diameters of 6-8mm (Pg9), rotatable by 180° increments (3 pins: 2 + earth ground pin).

Loosen connector screw and remove plastic connector from DIN coil. Do not remove the gasket from the DIN spades

on the coil. Separate the plastic block from the connector housing with a small screwdriver to expose the electrical

terminations. Feed the lead wires through the plastic connector and attach them to the appropriate screw terminal.

Snap the plastic block back into place inside the connector housing. Place the gasket over the DIN spades on the

coil and press the DIN connetor and coil together. Secure the DIN connector to the coil using the mounting screw

provided.

Slide o-ring over and down the sleeve assembly until the o-ring rests on the valve body. Slide the DIN coil over the

valve sleeve. Affix nut to sleeve and tighten between 4.0 to 5.0 in-lbs. [0,5 Nm] torque.

Conduit Coil (NC1) with 1/2” NPT connection: Integrated conduit coils for ordinary locations. Use suitable

electrical cabling and conduit materials and components meeting applicable NEMA recommendations.

Coil / enclosure temperature: Standard valves are supplied with coils designed for continuous duty service.

Normal free space must be provided for proper ventilation. When the coil is energized continuously for long periods

of time, the coil assembly will become hot. The coil is designed to operate permanently under these conditions. Any

excessive heating will be indicated by smoking and/or odor of burning coil insulation.

For the maximum valve ambient conditions, as well as the fluid temperatures, check the valve part number on the

nameplate and refer to the Banjo Valve bulletin to determine the maximum temperatures.

MAINTENANCE

Prior to any maintenance work, switch off power supply and de-pressurize system to prevent the risk of personal

injury or damage to equipment.

•Preventive maintenance

Avoid obstruction of exhaust port when it is not connected or protect it with a cap.

•Cleaning

Maintenance of the valve depends on the operating conditions. Depending on service conditions, filtration may be

required to prevent or minimize dirt or foreign material in the media that could cause excessive leakage, wear, or in

exceptional cases, malfunction.

The valve operator assembly (valve tube) is staked into the valve body and cannot be removed without damaging the

valve. Therefore, valve disassembly should not be attempted.

BANJO COIL

ELECTRICAL CURRENT RATINGS

Voltage Voltage Wattage Nominal VA VA Wattage Nominal VA VA

Code (AMPS) Holding Inrush (AMPS) Holding Inrush

A 12VDC 4.8 0.400 - - 4.8 0.400 - -

B 24VDC 4.8 0.200 - - 4.8 0.200 - -

E 24/60 - - 5.8 9.9 - - 5.8 9.9

F 120 / 50-60 - - 6.9 11.7 - - 6.9 11.7

G 240 / 50-60 - - 6.9 11.7 - - 6.9 11.7

X = Voltage Code

DIN COILS, ND1x CONDUIT COILS, NC1x

DECLARATION

Parker Hannifin Corporation - Fluid Control Division certifies its valve appliance products complies with the essential

requirements of the applicable European Community Directives. We hereby confirm that the appliance has been

manufactured in compliance with the applicable standards and is intended for installation in a machine or application

where commissioning is prohibited until evidence has been provided that the machine or application is also in

compliance with EC directives.

The data supplied in the Parker catalogs and general Installation, Operating & Maintenance Instructions are to be

consulted and pertinent accident prevention regulations followed during product installation and use. Any

unauthorized work performed on the product by the purchaser or by third parties can impair its function and relieves

Parker Hannifin of all warranty claims and liability for any misuse and resulting damage.

A separate Declaration of Conformity or Manufacturer’s declaration is available upon request. Please provide valve

identification numbers and order serial numbers of products concerned.

Banjo Valve

Dimensional Drawing

Part Number

Shown with DIN

Coil

Actuator

Enclosure

Port 2

Valve

Pressure

Port 1

U131B01NDAx G 1/8” 1/8” NPT

U131B02NDAx G 1/4” 1/8” NPT

131B03NDAx G 1/8” G 1/8”

131B04NDAx G 1/4” G 1/8”

x = Voltage Code (see table below)

TROUBLE SHOOTING

Symptom Procedure

1. Valve fails to operate or is sluggish. 1. Check electrical supply with voltmeter. Voltage must agree

with coil rating.

2. If supply voltage too low, locate and correct cause of low

voltage. Should exceed 85% of rated voltage.

3. Check coil with ohmmeter for shorted or open coil. Replace

coil if defective.

4. Clean out extraneous matter in valve ports.

5. Replace valve if steps 1 to 4 do not solve faulty condition.

2. Valve coil burn-out. 1. Continuous high voltage greater than 10% of rated voltage

could result in coil failure. Locate and correct cause of high

voltage.

2. Check electrical wiring installation.

3. Valve located in high ambient temperature. Ventilate or isolate

area from high temperatures. May require valve relocation to

lower temperature area.

4. Replace coil if defective.

3. Valve fails to close (normally closed valve) or

internal fluid leakage occurs when valve should

be closed.

1. Make sure manual override stem is not engaged by turning

counter clockwise direction ¼ turn to the #0 position.

2. Apply air to ports to clean out potential extraneous matter.

3. With coil de-energized, check power at coil wires. Power

should be off. If power is present, correct faulty contacts or

wiring.

4. Replace valve if steps 1 to 3 do not solve faulty condition.

4. External leakage at sleeve flange to body

joint.

1. Through repeated high cycling use, if the valve develops an

external leakage point at the sleeve flange to body interface,

replace valve.

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