Data Sheet

Bulletin 71.2:92S
3
Specications (continued)
Maximum Temperature Capabilities
(1)
Cast Iron Main Valve and Pilot: 406°F / 208°C
Steel Main Valve and Pilot: 500°F / 260°C
High Temperature Optional Steel and Stainless
steel Main Valve and Pilot: 650°F / 343°C
Downstream Control Line Connection
NPS 1, 1-1/2, and 2 / DN 25, 40, and 50
Main Valve Sizes: 1/4 NPT in main valve
cylinder spacer
NPS 2-1/2, 3, 4, and 6 x 4 / DN 65, 80, 100, and
150 x 100
(2)
Main Valve Sizes: 1/4 NPT
in pilot body
Pilot Spring Case Vent
Standard: 1/8-inch / 3.18 mm drilled hole
Optional: 1/4 NPT tapping for pressure loading or
on-off service
Pressure Registration
External through downstream control line
Approximate Weights
BODY SIZE
END
CONNECTION STYLE
APPROXIMATE
WEIGHTS
NPS DN Pounds kg
1
1-1/2
25
40
NPT or anged
NPT or anged
32
44
15
20
2 50
NPT
Flanged
55
67
25
30
2-1/2
3
4
65
80
100
Flanged
Flanged
Flanged
90
115
165
41
52
75
6 x 4
(2)
150 x 100
(2)
Flanged
CL300 335 152
CL600 435 197
1. The pressure/temperature limits in this Bulletin and any applicable standard or code limitations, must not be exceeded.
2. The two-number designation indicates line size by trim size.
Table 1. Outlet (Control) Pressure Ranges
Table 2. Maximum Inlet and Outlet Pressures
PILOT TYPE
OUTLET PRESSURE
RANGES
PART NUMBER COLOR CODE
SPRING WIRE DIAMETER SPRING FREE LENGTH
psig bar Inches mm Inches mm
6492L
2 to 6
5 to 15
13 to 25
0.14 to 0.41
0.35 to 1.0
0.90 to 1.7
1E395627022
1D7455T0012
1E395727192
Yellow
Green
Red
0.207
0.234
0.283
5.26
5.94
7.19
2.50
2.62
2.44
63.5
66.6
62.0
6492H
10 to 30
25 to 75
70 to 150
0.69 to 2.1
1.7 to 5.2
4.8 to 10.3
1E395627022
1D7455T0012
1E395727192
Yellow
Green
Red
0.207
0.234
0.283
5.26
5.94
7.19
2.50
2.62
2.44
63.5
66.6
62.0
6492HT
15 to 100
80 to 250
1.0 to 6.9
5.5 to 17.2
14B9943X012
14B9942X012
Unpainted
0.282
0.375
7.16
9.53
2.50
2.50
63.5
63.5
CONSTRUCTION
MAXIMUM ALLOWABLE INLET PRESSURE
MAXIMUM
OPERATING OUTLET
PRESSURE
MAXIMUM EMERGENCY OUTLET PRESSURE
Cast Iron
Steel and
Stainless Steel
Cast Iron Main Valve
and Pilot Body
Steel or Stainless
Steel Main Valve and
Pilot Body
psig bar psig bar psig bar
With Type 6492HT pilot - - - -
300 20.7
250 17.2 - - - -
300 psig / 20.7 bar or
main valve body rating
limit, whichever is lower
With Type 6492H pilot
250 17.2
150 10.3
250 psig / 17.2 bar or
main valve body rating
limit, whichever is lower
300 psig / 20.7 bar or
main valve body rating
limit, whichever is lower
With Type 6492L pilot 25 1.7 100 psig / 6.9 bar 100 psig / 6.9 bar