Page 396 - Parker Parflex Thermoplastic & Fluoropolymer Products Hose, Tubing, & Fittings 2017 - Cat 4460

Hose O-Ring Material Selection
A

Standard O-rings supplied with Parker tube fittings and adapt- O-rings for other than normal hydraulic media or higher
ers are 90 durometer hard nitrile (Buna-N) Parker compound temperature applications can be selected from the following
#N0552. These O-rings are well suited for most industrial chart. The chart should be used only as a general guide.
hydraulic and pneumatic systems. They have high extrusion Before making final selection for a given application, it is
resistance making them suitable for very high pressure static recommended that appropriate tests be conducted to assure
applications. Optional high temperature fluorocarbon, Parker compatibility with the fluid, temperature, pressure and other
compound #V0894, is also available for higher temperature environmental conditions.
Tubing specifications. For fluids not shown in the chart, please contact the Tube
B Fittings Division.

Parker SAE Not
Abbreviated Hardness Temperature
Polymer Compound Color J515 Recommended For Recommended
Name Shore “A” 7 Range
For
No. Type 90 6 -30° to 250°F Petroleum base oils and Phosphate ester base
Coiled Air Hose & Fittings Nitrile-Butadiene N0674 - - 70 -30° to 250°F fluids, mineral oils, ethylene hydraulic fluids, auto-
CH
N0552
2
glycol base fluids, silicone
motive brake fluids,
N0103
-65° to 225°F
70
and di-ester base lubricants, strong acids, ozone,
Nitrile-Butadiene
genated hydrocarbons,
natural gas. Hydrogen fuel
set – N1059)
C (Low compression NBR N1059 CH 2 90 -30° to 275°F air, water under 150°F, and freons, ketones, halo-
B
cells. Meets FDA require-
and methanol.
N0507 - 90 -65° to 180°F ments for food products.
N0304 - 75 -65° to 225°F CNG Applications.
Nitrile-Butadiene
N0508 - 75 -35° to 250°F
N0756 - 75 6 -65° to 275°F
Phosphate ester base Petroleum base oils
E0540 B CA 3 80 hydraulic fluids, hot water, and di-ester base
Transportation Ethylene-Propylene EPDM E0893 CA 3 80 -65° to 275° F and greases, dilute acids
steam to 400°F, silicone oils lubricants.
1
P
and alkalis, ketones, alco-
fluids. CO climate control
D E0962 - 90 hols and automotive brake
2
B
systems.
Refrigerants (freons, am- Phosphate ester fluids
C0873 B - 70 monia), high aniline point and ketones.
Neoprene CR -45° to 250° F petroleum oils, mild acids
C0944 - 70 and silicate ester lubricants.
R 1
Petroleum base oils and Ketones, skydrol
V0747 B - 75 fluids, some phosphate ester fluids, amines (VDMH),
Fittings base fluids, silicone and sili- anhydrous ammonia,
5
E Fluorocarbon FKM or FPM V0884 BR 1 - 75 -15° to 400° F cate ester base lubricants, low molecular weight
esters and ethers, and
di-ester base lubricants,
acids and halogenated hot hydrofluoric or
V0894 HK 4 90 6
BR 1 hydrocarbons. chlorosulfonic acids.
Dry heat (air to 400°F) and Most petroleum fluids,

Silicone Si S0604 - 70 -65° to 450° F high aniline point oils. ketones, water and
RU 1
steam.
Tooling, Equipment & Accessories Table U-6 – O-Ring Selection
*Color Code: B – Black, P – Purple, R – Red, BR – Brown, RU – Rust
Notes:
They help eliminate assembly errors, reduce warranty costs and liability risks, and assure safety in aftermarket business.
F 1. These Parker “Chromassure” color assurance O-rings are available from the Parker Hannifin O-Ring Division.
2. Formerly SAE Type I.
3. Formerly SAE Type II.
4. Formerly SAE Type III.
5. “FKM” is the ASTM designation for fluorocarbon. Its ISO designation is “FPM”.
6. Standard compounds available from stock.
7. Use 90 durometer hard O-rings for applications with 1500 psi or higher pressures.
General Technical
G For detailed ordering information, please consult price list or contact Parflex Division.
G-50 Parker Hannifin Corporation | Parflex Division | Ravenna, Ohio | parker.com/pfd