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^ TECHNICAL
BULLETIN
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:| PYDRAUL 135
i Fire-Resistant Hydraulic Fluid
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i j Pydraul 135 Fire-Resistant Hydraulic Fluid . . . i ; a iow viscosity synthetic that gives you the per ; ! formance of premium grade petroleum oils --
j ; plus safety -- at the price of water/glycols.
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TOWOLDMON0026406 WATER_PCB-00010875
PYDRAUr 135
Fire-Resistant Hydraulic Fluid
Pydraul 135 Fire-Resistant Hydraulic Fluid . . . a low viscosity synthetic that gives you the per formance of premium grade petroleum oils -- plus safety -- at the price of water/glycols.
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FLUIDS
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Orgsnic Division / 800 N. Lindbergh Btvd. / St. louts, Missouri 13166
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TOWOLDMON0026407 WATER_PCB-00010876
TOWOLDMON0026408 WATER_PCB-00010877
Introduction
Pydraul* 135 is another of Monsanto's growing line of internationally accepted, fire-resistant hydraulic fluids and lubricants.
Pydraul 135 is a lower viscosity sister product of recently introduced Pydraul 312. Both are permanent, stable formulations of carefully selected petroleum fractions in a synthetic base of chlorinatod hydrocarbons and phosphate esters. These new fire-resistant hydraulic fluids match or excel properties of existing hydraulic fluids--including synthetics, premium grade petroleum oils and water-containing fluids -- but sell in the same price range as water/glycol fluids. They offer up to 1,0% savings over other water-free, fire-resistant hydraulic fluids.
Pydraul hydraulic fluids first began working to protect hydraulic operations from fire in 1951. Today, the seven Pydraul fluids have performed millions of machine hours of service without contributing to a single fire... not even when sprayed from ruptured high-pressure hydraulic lines onto white-hot metal. In addition to fire-resistance, the Pydraul fluids have always offered .. .
. . . lubrication as good as premium grade oils ... freedom from corrosive action and foam . .. ease of maintenance . .. and permanence -- they don't "wear out"
Properties of Pydraul 135
Physical Properties
Viscosity, SSU @ 40F Viscosity, SSU @ 100F Viscosity, SSU @ 210F Viscosity Index Pour Point, F Density 25/250C . Grams/cc
pounds/gal. ASTM D-892 Foam Test
Sequence I Sequence II Sequence III
1600 141 41 +49
--10
1.19 9.92
pass pass pass
The viscosity and viscosity index of Pydraul 135 are similar to those of a high quality R & 0 (rust and oxidation inhibited) type petroleum hydraulic Oil as the comparative viscosity curves indicate on the following page.
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VISCOSITY. SAYBOLT UNIVERSAL SECONOS
MO 900
nm am
HOOD
7
TEMPERATURE. DEGREES FAHRENHEIT --SB _ 0 N 2t SO 40 SO 40____ 70 80 90 100 no 120 I30 1* ISO 180 170
I
\k k \
v\ L___ ,
.
A.S.T.M. STANDARD VISCOSITY-TEMPERATURE CHARTS FOR LIQUID PETROLEUM PRODUCTS (0 341)
CHART B: SAYBOLT UNIVERSAL VISCOSITY. ABRIDGED
SAYBOLT VISCOSITIES
Pydrau! 135
R & 0 Type Petroleum Oil ---- (150 SSU. 95VI )
300 >
200
ISO
100
SO
s S'v
80
s20
NCO
SO
IS V1
V N
10 S
VISCOSITY. SAYBOLT UNIVERSAL SECONDS
SS fOSj \i
*
10 20 30 40 SO 60 70 10 90 ICO 110 1 20 130 140 ISO 169 170 180 ISO 200 219 220 230 210 250 260 270 289 290 300 310 320 330 34C 3S0 TEMPERATURE. DEGREES FAHRENHEIT
TOWOLDMONQ026410 WATER_PCB-00010879
Corrosion and Stability
The corrosion and oxidation stability properties of Pydraul 135 are comparable to those of the best petroleum hydraulic fluids. Pydraul 135 will not rust or corrode conventional metals of construc tion in a hydraulic system, even when over-heated to 250F.
In the ASTM D-665 Rust Test Pydraul 135 showed no rust at all, and in use,Pydraul 135 does not lose its anti-rust properties. In the ASTM D-9^3 Turbine Oil Stability Test, the life of Pydraul 135 was greater than 1000 hours before a 2.0 acid number was reached. Both iron and copper cat alyst were like new.
Good hydrolytic stability is a basic characteristic of Pydraul 135. If water somehow enters your hydraulic system, Pydraul 135 won't hydrolyze to form acidic or corrosive products.
Beverage Batik Test (Pydraul 135 plus water aged 200F for 48 hours with a copper strip through both phases).
Neutral No. Change, mg KOH/mg +0.2
Viscosity change, % @ 100F
+1.0
% 210F
+0.4
Insolubles
none
Copper strip
no corrosion
Fire Resistance
Pydraul 135 is an industrial fire-resistant hy draulic fluid and is listed by Underwriters' Laboratory.
Fire-Resistance Tests
High Pressure Spray Test (AMS-3150C). Test fluid sprayed at 1000 'psi through orifice, passing through flame of oxyacetylene torch, 600QF.
Intermittent flashing, but self-extinguish ing.
Low Pressure Spray Test (AMS-3150C). Test fluid sprayed at low pressure over ignited, oil-soaked rags to determine degree of increase in (lame intensity.
Slight increase In flame intensity.
Hot manifold test (AMS-3150C). Test Intermittent flashing,
fluid dripped on tube at 1300F.
but does not propa
gate to pan below.
t 950F.
Does not (lash.
Molten Metal Ignition Test. Test fluid exposed to the surface of aluminum alloy at l?00f to test for spontaneous igni tion.
Does not ignite spon taneously. Flashes in termittently with ignition source.
U.S. Bureau of Mines
Minimum Pydraul
Schedule 30 Fire Tests:* Requirements 135
Pipe Cleaner Test, Number of Cycles:
Fresh Fluid Aged 2 hrs 150DF Aged 4 hrs 150F
24 18 12
28
--
24
Temperature/Pressure Spray Ignition Test:
Propane Torch Electric Arc Burning Kerosene-
Soaked Cotton
See Schedule 30
pass pass
pass
Autogenous Ignition Temperature: F
600
760
Ask to see the color motion picture, Before Hy draulic Fires Start.
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Performance Properties
Pydraul 135 has good viscosity and viscositytemperature (V.I.) properties. These properties are permanent. Pydraul 135 will not shear me chanically to change viscosity.
The following chart shows the viscosity of Pydraul 135 before a Vickers hydraulic pump test.. . and practically the same viscosity/temperature slope after the test.
Vickers Hydraulic Vane Pump Test
(V-105E pump, 1000 hours, 140F, 1000 psi)
% Viscosity change 100F
+n
210F
+5
Weight loss of pump parts, mg.
bushings, 2015
21
bushings, 2016
11
Ring
22
Vane
2
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TEMPERATURE. DEGREES FAHRENHEIT If Ji * TO 80 90 100 110 120 130 1 !50 1W 170
A.S.T.M. STANDARD VISCOSITY-TEMPERATURE CHARTS FOR LIQUID PETROLEUM PRODUCTS (D 341)
CHART 8: SAY8QIT UNIVERSAL VISCOSITY, ABRIDGED
Vickers V-105E Vane Pump Pydraul 135 Saybolt Viscosities
Before Vickers Pump Test .___After Vickers Pump Test
s> s
s\ s N ,N s
s
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VISCOSITY. SAYBOLT UNIVERSAL SECONDS VISCOSITY. SAY80LT UNIVERSAL SECONDS
NJ
9 j0 jo ]o *0 sc M TO *0 90 100 110 120 130 1*0 150 ISO 170 18(3 190 200 210 220 230 240 250 260 270 280 290 300 310 320 3J0 340 350 TEMPERATURE. DEGREES FAHRENHEIT
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In a more severe Vickers hydraulic pump test (V-105C pump), Pydraul 135 lubricated as well as commercial antiwear oils and proved far superior to premium R & O oil.
$00
Premium R & ooii
450
I1400
350
Pump Type:
Vickers V105C 8 GPM
Fluid Viscosity attesttemperature; 70 SSU
Fluid Temperature: Adjusted to give 70 SSU viscosity
Pump Pressure: 1800 PSI6
--
Pump Speed:
1200 RPM
300 TESTED IN MONSANTO LABORATORIES 1965 1966
250
200
150
Antiwear Oil 0.1 100
Antiwear Oil Yo. 2 Pydraul 135
100 150 200 250 TEST TIME, HOURS
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Pydraul 135 lubricates under extreme pressure as well *s high-quality industrial gear lubricants of comparable viscosity.
Shell Four Ball Wear Test (630 rpm, 1 hour,
167F)
Steel on steel, mm scar diameter
4 kg load
0.18
10 kg load
0.24
40 kg load
0.43
Steel on bronze
10 kg load
0.48
Timken OK load, lbs.
45
Field Tests
In addition to the laboratory tests, Pydraul 135 has been thoroughly evaluated for use in GPE (formerly Askania) type regulators. General approvals for its use have been given by major equipment manufacturers. Pydraul 135 will give years of trouble-free pump service . . . the same long pump life afforded by high-quality R&O type petroleum hydraulic oils.
And Pydraul 135 doesn't wear out. Except for normal "make-up",
... you don't add water ... you don't have "drain and change" periods ... you don't have to check it daily ... or perform most of the othcr-time-consum-
ing maintenance necessary with watercontaining fluids.
8
Compatibility With other hydraulic fluids . Type Other Pydraul Fluids (A-200, F-9, 150, 625, & 312) Other commercial Phosphate Esters (Houghto-Safe 1130(1), Cellulubc 220(I>, etc.)
Water/Glycol Phosphate Esters Petroleum oils
With Elastomers... Viton"> A
Teflon0'
Butyl
EPR
PydrauJP 185
Soluble in all proportions.
5% phosphate ester is soluble in Pydraul 135 at room temperature; 10% is insoluble at room temperature.
Insoluble in water/glycol fluids and vice versa.
Soluble in all proportions, but oil contamination can reduce Pydraul 135 fire-resistant qualities.
Preferred, especially for dynam ic seals at high temperatures.
Preferred, espe cially for hose under high temperature, high pressure condi tions.
Appears acceptable for high pressure seals and hose up to 140F.
Currently under study, shows promise.
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TOWOLDMON0026414 WATER_PCB-00010883
$ Change-Over Procedures
Converting to Pydraul 135 hydraulic fluid is easy.
4. Remove pumps, accumulators, and cylinders,
Virtually every type of equipment which uses
if necessary, for draining. Replace packings,
fire-resistant hydraulic fluid has been converted to
seals, gaskets, and bladders with those com
Pydraul fluids. Equipment manufacturers are,
patible with Pydraul 135.
therefore, experienced in Pydraul fluid conver sions and should be consulted. '
5. Check component functions before the system is closed and fluid is added.
If changing seals is necessary, equipment manu facturers can tell you what seals to change, and most even carry a supply of correct seals. Labora tory tests show that Viton A is the preferred
6. If your system cannot be completely drained, you may have to flush it with a small amount of Pydraul 135.
elastomer for compatible seals. For moderate
Changing from Water/Glycol or
temperatures, (below 140*F) butyl seals, hose, etc.
Water-in-Oil Emulsion
appear acceptable. Teflon lined hose is satis factory' for higher temperatures.
1. Drain and clean system thoroughly. Remove all traces of water. Empty all lines and low
To replace other Pydraul fluids with Pydraul 135, where compatible seals are in the system, it is only necessary to add Pydraul 135 as make-up fluid. It is not necessary to drain or clean. When you
points or dead pockets in components.
2. Clean with steam or warm water. Follow by blowing with dry air.
convert from petroleum oils, other synthetic
3. Check sealing materials, hoses, and accumula
fluids, water/glycol fluids, or water-in-oil emul
tor bags. Replace if necessary with compatible
sions, we recommend the following steps. These
materials.
steps conform to National Fluid Power Associa tion Standards.
4. Install a minimum charge of Pydraul 135 and operate the system from 16 to 24 hours. During
Your Monsanto representative will assist you any
this period, inspect the reservoir. If water or
way he can, or you can telephone our technical
other contaminants float to the top, skim them
specialists in St. Louis directly.
off.
Changing from Petroleum Oil
1. Completely drain and clean the system. Small amounts of oil will not interfere with the per formance of Pydraul 135, but resistance to fire is reduced by the amount of oil left in the system.
2. Drain and blow out pipelines. Manually clean valves and reservoirs.
5. Drain the flushing charge immediately after shut-down while the fluid is warm. Drain all isolated points or parts which do not drain back to the reservoir. If water is apparent in fluid clinging to walls, wipe down all accessible parts.
Changing from Phosphate Esters {Other than Pydraul)
1. Drain the system completely.
8. Open or remove and drain valves. Replace
2. Cleaning is unnecessary.
gaskets, packings, and seals with those com patible with Pydraul 135. It is particularly im
3. Generally, seal changes are unnecessary.
portant to change dynamic seals. Static seals
do not necessarily have to be changed if there
I is no objection to replacing them each time
hydraulic components are serviced.
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Handling and Storage
As with all specialized industrial fluids, certain precautions are advisable when handling Pydraul 135. No problems will arise when Pydraul 235 is used as recommended.
Avoid repeated or continuous skin contact. Re peated or prolonged contact can lead to drying and skin "chapping". Where prolonged skin con tact cannot be avoided, gloves should be worn.
At room temperature there is no significant vapor inhalation hazard from Pydraul 135; however, inhalation of vapors produced when the fluid is at high temperatures should be prevented. Single 6-hour exposures to an atmosphere saturated with vapors at ambient, temperatures produced only mild discomfort in experimental animals and they survived the 10-day subsequent observation period without ill effect.
Although eye irritation studies using Pydraul 135 at full strength indicate Pydraul 135 is a mild irritant, there is no evidence to show Pydraul 135 causes permanent damage to eye tissue. If Py draul 135 is splashed or sprayed into the eyes, eyes should be thoroughly flushed with water and the workman referred to a physician. To relieve irritation, physicians have used 1% tetracaine solutions, as well as ophthalmic cortisone acetate solution.
Pydraul 135 hydraulic fluid can be stored at sub zero temperatures without fluid damage. Before using, simply allow the fluid to warm to 20 - 30F. Drums stored outside should be sealed tightly and placed in a horizontal position to keep out moisture.
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DISTRICT SALES OFFICES
Additional District Offices are maintained by:
ALL DIVISIONS
ATLANTA, GEORGIA 30326
Lenox Towers West.
3390 Peachtree Rd. N.E.
Tct. (404) 231-4320
'
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Building Products Department
SI. LOUIS. MISSOURI 63166 800 N. Lindbergh Blvd. Tel. (314) Wydown 3-1000
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CLEVELAND, OHIO 44122
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Tel. (216) Temple 6-7941
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Tel. (713) Capitol 3-4011
NEW YORK. NEW YORK 10001
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350 Fifth Ave. Tel.(212) 556-5100
Tel. (213) Raymond3-2492
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661 Palisades Ave.
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Englewood Cliffs. Now Jersey 07631
912 Northstar Center 110 S. Seventh St.
Tel. (201) 568-2151
Tel. (612) Federal 9-4651
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ST. LOUIS, MISSOURI 63166 800 N. Lindbergh Blvd. Tel. (314) Wydown 3-1000
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Hydrocarbons & Polymers Division-Lion Oil
EL DORADO. ARKANSAS 71730 Lion Oil Building Tel. (501) Union 3-3111
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AKRON. OHIO 44311 920 Brown Street P. 0. Box 2307 Tel. (216) Hemlock 4-1921
MONSANTO. 800 N. LINDBERGH BLVD., ST. LOUIS, MISSOURI 03160
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