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PYDRAUL 312
FIRE-RESISTANT HYDRAULIC FLUID
Pydraul 312 Fire-Resistant Hydraulic Fluid . . . a synthetic fluid that gives you the performance of premium grade petroleum oils -- plus safety -- at the price of water/glycols.
TECHNICAL BULLETIN O/PF-7
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PYDRAUL
FIRE-RESISTANT HYDRAULIC FLUID
312
Pydraul 312 Fire-Resistant Hydraulic Fluid . . . a synthetic fluid that gives you the performance of premium grade petroleum oils -- plus safety -- at the price of water/glycols.
TECHNICAL BULLETIN O/FF-7
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*ONS 076774
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Table of Contents
Page INTRODUCTION.......................................................2 PROPERTIES
Inspection........................................................... 3 Corrosion and Stability.....................................4 Fire-Resistance...................................................4 Performance.......................................................4 CHANGE-OVER PROCEDURES............................7 HANDLING AND STORAGE................................ 8
Introducing Pydraul* 312
Hydraulic Fluid
Pydraul 812 is the first of Monsanto's new high performance low cost fire-resistant hydraulic fluids. This synthetic is the latest innovation in Monsanto's internationally accepted and growing line of fire-resistant hydraulic fluids and lubricants.
In 1951 Pydraul hydraulic fluids first began work ing to protect hydraulic operations from fire. Now, well over a decade later, the seven Pydraul fluids have performed millions of machine hours of service without contributing to a single fire . .. not even when sprayed from ruptured highpressure hydraulic lines onto white-hot metal. And besides 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"
Where docs new Pydraul 812 fit into this well established picture?
Pydraul 312 hydraulic fluid is a unique marriage of synthetic fluids with specially chosen petroleum fractions. The result is a fire-resistant hydraulic fluid that matches or excclls the properties of existing hydraulic fluids -- including synthetics premium grade petroleum oils, and water-contain ing fluids -- but sells in the same price range as water/glycol fluids. They offer up to 40% savings over other water-jree, fire-resistant hydraulic fluids.
MONS 076775
O
Inspection Properties ...
Viscosity, SSU (o 4QF Viscosity, SSU <a, I00F Viscosity, SSU $ 210F Viscosity Index Poor Point, F Density 25/25C
Grams/cc pounds/gal
ASTM D-892 Foam Test Sequence I Sequence (I Sequence III
4200 312.0
50 9 ^ 77 _ 10
1095 9.20
Pass Pass pass
The viscosity and viscosity index of Pydraul 312 are very similar to those of a high quality KAO
(rust and oxidation inhibited) type petroleum hydraulic oil as the following comparative vis cosity curves indicate.
TEMPERATURE, (HOMES FAHRENHEIT
TCaluun xioftivs aiiSOOSia
HONS 076776
3
Corrosion and Stability ...
The corrosion and oxidation stability properties of l'ydraul 812 are equal to those of the best petroleum hydraulic fluids. Pydraul 812 will not rust or corrode any metal in a hydraulic system even when over-heated to 260F.
In the ASTM I>-665 Itust Tat Pydraul 812 showed no rust at all, and in use Pydraul 312 docs not lose its anti-rust properties.
Good hydrolytic stability is a basic characteristic of Pydraul 812. If water somehow enters your hydraulic system, Pydraul 812 won't hydrolyse to foam acidic or corrosive products.
Hmravc Houle Tat (Pydraul 312 plus water aged 200P for 168 hours with a copper strip through
both phases).
Nniltal No. chtn(t, mg KOH/mg Viscosity dungs, %0.100f
%?10F
Insolubles Weight loss, Cu ship,mg/cmr
0.M --0.6 -1.3
none none
Fire Resistance ...
Pydraul 312 is an industrial fire-resistant hydrau lic fluid listed by Underwriters' laboratories.
Miscellaneous Fire-Resistance Tests
ASTM D-286, Auto. Ign. Temp
940
High Pressure Spray Test (AMS-3J50C and Federal Test Method STD791). Test fluid sprayed at 1000 psi through orifice, passing through flame of oxyacetylene torch, 6000F.
Intermittent fleshing but self-exlinguishinf.
Low Pressure Spray Test (AMS-3150C). Test fluid sprayed
at low pressure over ignited, oil-soaked rags to determine
degree of increase in flame intensity.
Slight increase in flame intensity,
Hot Manifold Test (Federal Test
Method STD791) Test fluid dripped on tube at 1300*F.
Intermittent flashing
but does not propogate to pan below.
Molten Metal Ignition Test. Test fluid exposed to the surface ot aluminum alloy at 1200F to test for spontaneous Ignition.
Does not Ignite spon taneously. Flashes intermittently with ignition source.
Your Monsanto representatives will be glad to show you color motion pictures of the performance of Pydraul 312 in these tests.
To test fire-resistance under working conditions, Pydraul 312 was sprayed on actual ignition sources in operating plants. In no case was a fire carried from the immediate source of ignition. In one plant, a line rupture on a dic-casting machine sprayed Pydraul 312 onto molten aluminum in a holding furnace and over the surrounding area. Flame was confined to the furnace, no plant per sonnel were injured, and there was no fire damage.
Performance Properties ...
Pydraul 312 has good viscosity and viscositytemperature (V I ) properties. These properties are permanent. Pydraul 312 will not shear mechanically to degrade viscosity.
The following chart shows viscosity of Pydraul 312 before a Vickers Hydraulic Pump Test... and practically the same viscosity after the test.
HONS 076777 4
HMFtIMIUM. WORKS FAHRENHEIT
I
VISCOSITY SAYMtT UNIVERSAL SECONDS
I'ydraul 312 lubricates as well or better than High Quality R&O and antiwear type petroleum hydraulic oils.
Vs'ffcera Hydraulic Vane Pump Test (V-105E pump, 1000 hours, 140"F, 1000 psi).
K Viscosity change (a 100*F n 210*F
-4-3 -1.0
Wdghl loss ol pump parts, mgs bustlings, 2015
bushings, 2016 ring vane
nil
-5.7 -1.3 -2.1
HONS 076778
5
four HaU Wear Test (620 rpm, 1 hour, 167 *F)
Steel on steel, mm scar diameter 4 kg load 10 kg load 40 kg load
0.24 0.25
0.44
Steel on bronn 10 kg lead
0.87
Oilgcar Radial Piston Pump Test (US 426 pump, 1000 hour*, 130K, 3000 PS1G, pump speed 1200 Kl'M).
Pydraul 312 Fluid
K Viscosity change (t 100"F 210-F
Add No. Increase mg KOH/g
12.3 4.9
0.9
Premium HVI Oil
X ViKosily change ft 100F 210-F
Acid No. Incieise m| KOH/g
-4.2 -1.0
0.7
See results below:
Timken Test Timken OK load, lbs.
55
Pydraul 312 lubricates under extreme pressure as well as high-quality industrial gear lubricants.
Field Tests In addition to the laboratory tests, field tests in varied equipment such as automatic multi-welders, die casting machines and mobile steel mill equip ment indicate Pydraul 312 will give years of trouble-free pump service ... the same or longer pump life alTorded by petroleum hydraulic oils.
And Pydraul 312 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 other-time-consuming maintenance necessary with water-containing fluids.
CONDITION Of PUMP AFTER TEST: Generally good in all cases, CONDITION OF OIL AND FLUID AFTER TEST: Properties not substantially changed.
MCNS 076779
0 Change-Over Procedures
2. Drain and blow out pipelines. Manually clean valves and reservoirs.
Converting to Pydraul 312 hydraulic fluid is easy. Virtually every type of equipment that uses fireresistant hydraulic fluid has been converted to 1'ydraul fluids. Equipment manufacturers are, therefore, experienced in Pydraul fluid conversions and should be consulted.
3. Open or remove and drain valves. Replace gaskets, parkings, and seals with those com patible with Pydraul 312. It is particularly important to change dynamic seals. Static seals do not necessarily have to be changed if there is no objection to replacing them each time
If changing seals is necessary, equipment manu
hydraulic components are serviced.
facturers can tell you what seals to change, and most even carry a supply of correct seals. Labo ratory tests show that Viton*' and silicone seals arc best for Pydraul 812.
4. Remove pumps, accumulators, and cylinders, if necessary, for draining. Replace packings, scnls, gaskets, and bladders with those com patible with Pydraul 312.
To replace other Pydraul fluids with Pydraul 312 where compatible seals are in the system, it is only necessary to add Pydraul 312 as make-up fluid. K is not necessary to drain or clean. When you convert from petroleum oils, non-Pydraul synthetic fluids, water/glycol fluids, or water-in
5. Check component functions before the system is closed and fluid is added.
6. If your Bystem cannot be completely drained, you may have to flush it with a small amount of Pydraul 312.
oil emulsions, we recommend the following steps.
These steps conform to National Fluid Power Changing from Watcr/Glycol
# Association Standards.
or Watur-in-Oil Emulsion
Your Monsanto representative will assist you any way he can, or you can telephone our technical specialists in St. Louis directly.
3. Drain and clean system thoroughly. Remove all traces of water. Empty all lines and low points or dead pockets in components.
Changing from Phoophato
2. Clean with steam or warm water. Follow by blowing with dry air.
Eaton (other than Pydraul)
3. Check sealing materials, hoses, and accumu
(3) Drain the system completely. (2) Cleaning in unnecessary. (3) Generally, seal changes are unnecessary.
lator bags. Replace if necessary with compatible materials.
4. Install a minimum charge of Pydraul 312 and operate the system from 16 to 24 hours. During
this period, inspect the reservoir. If water or
Changing from Petroleum Oil
other contaminants float to the top, skim
3. Completely drain and clean the system. Small amounts of oil will not interfere with the per formance of Pydraul 312, but resistance to fire is reduced by the amount of oil left in the system.
them off.
6. 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
t
TtoOtnork el 1.1. OuNut 0* Onmn I Co., Nx.
parts.
HONS 076730
7
1
Handling and Storage
Aft with till ft|MTinliml industrial fluids, certain precautions arc advisable when handling Pydraul 312. No problems will arise when Pydraul 312 is used iik recommended.
Avoid repeated or continuous skin contact. Heleated or prolonged contact can lead to drying, and skin ''chapping". Where prolonged Rkin con tact cannot be avoided, gloves should be worn.
At room temperature there is no significant vapor inhalation hazard from Pydraul 312; however, in halation of vapors produced when the fluid is at high temiKTaturcs should be prevented. Single 0-hour ex]Kmurett to an atmosphere sat urated with va)K)rs at ambient tenijMTaturcs produced only mild discomfort in experimental animals and they survived the 10-day subsequent observation period without ill effect.
Although eye irritat ion studies using Pydraul 312 at full strength indicate Pydraul 312 is a mild irritant, there is no evidence to show Pydraul 332 causes permanent damage to eye tissue. If Pydraul 812 is splashed or sprayed into the eyes, eyes should be thoroughly flushed with water and the workman referred to a physician. To relieve irri tation, physicians have used 1% tetracaine solu tions, as well as ophthalmic cortisone acetate solution.
Pydraul 3)2 hydraulic fluid can be stored at sub zero temperatures without fluid damage. Before using, simply allow the fluid to warm to 20 -- SOT. Drums ston'd outside should be sealed tightly and placed in a horizontal position to keep out- moist ure.
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DISTRICT SALES OFFICES ALL DIVISIONS
ATLANTA. GEORGIA 30326 Lenox Towers sst 3400 Peachtree Pd. N. . - Suite 1711 Tel. (404) 677-2260
BOSTON, MASSACHUSETTS 02143 Everett Station Tel (017) 307-0010
CHICAGO, ILLINOIS 3158 Des P/eines Ave. Des Pfelnet. Illinois 60018 tel. (312) 290 6688
CINCINNATI, OHIO 45206 1501 Medison Poed Tel (513) 751-6707
CLEVELAND, OHIO 44122 3645 Werrensvil/e Center Pd Tel (210) 991-5400
DETROIT, MICHIGAN 48235 500 Nortblend Towers Esst Tel (313) 357-0910
HONOLULU, HAWAII 96612 205 Pacific international Btdg. 677 Ale Moane Blvd., P. 0. Box 3824 Tel (808) 612-744
HOUSTON. TEXAS 77002 1300 Mein Street Tel (713) CepHoi 3-4011
LOS ANGELES, CALIFORNIA 90022 6670 . Fiotm St. Tel (213) 723-2492
MINNEAPOLIS. MINNESOTA 55402 912 Northstar Center 110 S. Seventh St. Tel (612) 339-4651
NEW YORK, NEW YORK 10017 277 Perk Avenue Tel (212) 922-4111
PITTSBURGH, PENNSYLVANIA 15222 No. 4 Gateway Center Bldg. Boom 634 Tel (412) 261-2156
ST. LOUIS. MISSOURI 63166 800 N. Lindbergh Blvd. Tel. (314) Oxford 4-1000
SAN FRANCISCO BAY AREA 2710 Lafayette, Sente Clare. Calif. 95052 Tel (408) 243-0414
SEATTLE. WASHINGTON 98104 911 Western Avenue Tel (206) Mein 2-4203
SPRINGFIELD, MASSACHUSETTS 01101
730 Worcester Ave. Tel (413) 788-6911
WILMINGTON. DELAWARE 19803 2006 Concord Pike. Fairfax Tel (302) Olympia 8-6531
MONSANTO. t00 N. LINDBERGH BLVD..
ST. LOUIS. MISSOURI S3I6S
MONS 076781
7 7779 06M 6 LITHO IN USA.
HONS 076782 MONSANTO. 100 N. LINDBCRCH BLVD., ST. LOUIS. MISSOURI $3100