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Transformer Oils page 2

shell Diala AX:
Page 1 (Back)
Page 2
Page 3 MSDS

 

Shell Diala S2 ZX-A Oils
Electrical insulating oil
Product Description

Shell Diala S2 ZX-A Oils meets standard specifications required by both ANSI/ASTM D 3487 and NEMA TR-P8-1975 for domestic electrical oil applications. These two specifications of electrical oils, Type I and Type II, are covered in these specifications. Type I oil is intended for use where normal oxidation resistance is required. Shell Diala S2 ZX-A Oils is a Type II oil and is for more severe service applications requiring greater oxidation resistance Shell Diala S2 ZX-A Oils has high electrical resistance and is thermally and oxidatively stable.

Applications

Intended for use in transformers, circuit breakers, oil-filled switches and in X-ray equipment
Features and Benefits
Proven product reliability
Excellent physical, chemical, and electrical properties
approvals and recommendations
ANSI/ASTM D 3487
NEMA TR-P8-1975
U.S. Government Military Specification VV-I-530A and Amendment 2 for Class I and Class II fluids (Type I and Type II, respectively); supersedes the Department of the Navy specification OS-1023
NATO symbol S-756, British Standard BS 148:1972

Table 1/ Physical Properties of Shell DIALA Oil AX

Test

ANSI/ASTM/NEMA

DIALA AX Oil

Method

Limits - Type I and II

Typical Values

Code Number

68690

Aniline Point, C

D 611

63-84

74

Color

D 1500

0.5 max

<0.5

Flash Point, C

D 92

145 min

156

Interfacial Tension, dynes/cm @ 25C

D 971

40 min

47

Pour Point, C

D 97

-40 min

-47

Specific Gravity, 15/15C

D 1298

0.91 max

0.885

Viscosity:

D 445/ D 88

@ 0C, cSt/SUS

76.0/350 max

62.3/288

@ 40C, cSt/SUS

12.0/66 max

9.1/55.8

@ 100C, cSt/SUS

3.0/36 max

2.31/33.9

Visual Examination

D 1524

Clear & Bright

Clear & Bright

Table 2/ Electrical Properties of Shell DIALA Oil AX

Test

ANSI/ASTM/NEMA

DIALA AX Oil

Method

Limits - Type I and II

Typical Values

Dielectrical Breakdown Voltage

@ 60 Hz, Disc electrodes, kV

D 877

30 min

> 35

@ 60 Hz, VDE electrodes, kV

D 1816 (1)

0.040 - inch (1.02 mm) gap

28 min

> 28

0.080 - inch (2.03 mm) gap

56 min

> 56

Dielectric Breakdown Voltage Impulse

@ 25C, needle-to-sphere grounded

D 3300

1-inch (25.4 mm) gap, kV

145 min

> 180

Power Factor, 60 Hz:

D 924

@ 25C, %

0.05 max

0.003

@ 100C, %

0.30 max

0.06

Gassing Tendency, μL/min

D 2300

+30 max

+12

Table 3/ Chemical Properties of Shell DIALA Oil AX

Test

Requirement

Typical Values

Method

Type II

DIALA AX

Oxidation Inhibitor Content, %w

D 2668

or

2,6-ditertiary butyl paracresol

D 1473

0.3 max

0.23

Corrosive Sulfur

D 1275

Non-corrosive

Non-corrosive

Water, ppm

D 1533

35 max

<30

Neutralization No, mg KOH/g

D 974

0.03 max

<0.01

Oxidation Stability @ 72 hrs.

D 2440

Sludge, %w

0.1 max

0.01

TAN-C, mg KOH/g

0.3 max

0.01

Oxidation Stability @ 164 hrs.

D 2440

Sludge, wt%

0.2

0.01

TAN-C, mg KOH/g

0.4

0.03

Oxidation Stability

Rotating Bomb, min.

D 2112

195 min

220

PCB Content, ppm

D 4059

ND

(1)- New, filtered, dehydrated and degassed oil.
N/A- Not Applicable
ND - Not Detectable, which is reported as <2 ppm.

Storage Precautions
The critical electrical properties of Shell Diala S2 ZX-A Oils are easily compromised by minute concentrations of contaminants. Typically encountered contaminants include moisture, particulates, fibers and surfactants. Therefore, it is imperative that electrical insulating oils be kept clean and dry. It is strongly recommended that storage containers be dedicated for electrical oil service and include air-tight seals. It is further recommended that electrical insulating oils be stored indoors in climate controlled environments.

Handling & Safety Information
For information on the safe handling and use of this product, refer to its Material Safety Data Sheet at http://www.shell-lubricants.com/msds/. If you are a Shell Distributor, please call 1+800-468-6457 for all of your service needs. All other customers, please call 1+800-840-5737 for all of your service needs. Information is also available on the World Wide Web: http://www.shell-lubricants.com/.

Shell Diala Oil AX Page 3 MSDS

Do you need custom filling, contract packaging? We specialize in the ability to fill any size containers. Give our customer service a try. We pride ourselves on our specialized service.

Call to place an order or ask a question:

QC Lubricants
CAGE CODE 9Y364
7360 Milnor St Philadelphia, PA 19136
(215)333-4187 (800)887-2436
Extension  203 or 211

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