Table 10-3.--Proof Pressure Test Media
1
Hose Type
Test Media
Hydraulic
Water, MIL-H-6083 or MIL-H-46170, type II.
Pneumatic or Gaseous
Water, MIL-H-6083, nitrogen (clean, dry and oil-free), air (clean, dry and
oil-free) or MIL-H-46170, type II.
Oil
Water or nitrogen (clean, dry and oil-free).
Coolant
Water.
Fuel (nonself-sealing)
Water, MIL-H-6083 or MIL-H-46170, type II.
Fuel (self-sealing)
Water, air (clean, dry and oil-free) or nitrogen (clean, dry and oil-free).
Air
Water or air (clean, dry and oil-free).
Instrument
Water or nitrogen, grade A, type 1 (BB-N-411).
1Use
Flow Cool or Coolanol for systems using Flow Cool or Coolanol.
Table 10-4.--Hose Assembly Proof Pressure Test Data
Hose Type &
Hose Size (Dash Number)
MIL-SPEC No.
Test Condition
2
3
4
5
6
8
10
150
Operating Pressure
300
250
200
----
150
150
Rubber Low
250
Proof Pressure
600
500
500
----
300
250
Pressure AN6270
700
Burst Pressure
2000
1700
1700
----
1000
750
Operating Pressure
--
2000
3000
3000
2000
2000
1750
Proof Pressure
--
4000
6000
5000
4500
4000
3500
Burst Pressure
--
8000
12000
10000
9000
8000
7000
Rubber
Operating Pressure
--
1000
1000
1000
1000
1000
1000
Medium Pressure
Proof Pressure
--
1500
1500
1500
1500
1500
1500
MIL-H-8795
Burst Pressure
--
8000
12000
10000
9000
8000
7000
Operating Pressure
--
50
50
50
50
50
50
Proof Pressure
--
600
600
600
600
600
600
Burst Pressure
--
8000
12000
10000
9000
8000
7000
NOTES:
Typical operating pressures and burst pressure are included for information purposes only.
Operating pressures are minimum (psi min), and proof pressures and burst pressures are maximum (psi max).
10-13
