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I. INLET GAS LINE SIZING:
The Table below is to be utilized to calculate the size (diameter) of the inlet gas line from the building regulator to the fryer
manifold.
PIPE
LENGTH
Feet
(Meters)
15
(4.6)
30
(9.1)
45
(13.7)
60
(18.3)
75
(22.9)
90
(27.4)
105
(32.0)
120
(36.6)
150
(45.7)
180
(54.9)
210
(64.0)
240
(73.2)
270
(82.3)
300
(91.4)
450
(137.2)
600
(182.9)
NOTE: 1) FT 3 /HR (M 3 /HR) values may vary due to heating value and specific gravity of gas supplied by local companies.
2) To determine the inlet gas line diameter for the distance between the fryer and main gas regulator, locate the FT 3 /HR (M 3 /HR) of gas required for the fryer and
pipe length and read the pipe diameter on the top row. For example: a 14" PD fryer operating on NATURAL GAS requires 105 FT 3 /HR (3.0 M 3 /HR)
of gas at the fryer's inlet gas manifold. If the fryer bank is located 60 feet from the building gas regulator, a 1" (25mm) diameter gas line MUST be installed
between the manifold and regulator.
J. INLET GAS REQUIREMENTS
VAT SIZE
Model ZRT3-H
IN
MM
14"
(356)
The Flexible Gas Line used to connect the gas manifold to the building gas supply line must be rated for the BTU/Hr (MJ/Hr)
designated for the Fryer. Flexible gas lines and their ratings stocked by Ultrafryer Systems are listed below:
NUMBER
24322
24323
24456
30A215-Mar2008
PDF compression, OCR, web optimization using a watermarked evaluation copy of CVISION PDFCompressor
1⁄2"
3⁄4"
1"
(13 mm)
(19mm)
(25mm)
62
170
350
(1.7)
(4.7)
(9.8)
43
120
245
(1.2)
(3.4)
(6.9)
35
98
200
(1.0)
(2.7)
(5.6)
30
84
175
(0.8)
(2.4)
(4.9)
27
76
155
(0.8)
(2.1)
(4.3)
25
70
145
(0.7)
(2.0)
(4.1)
23
64
132
(0.6)
(1.8)
(3.7)
21
60
125
(0.6)
(1.7)
(3.5)
19
54
110
(0.5)
(1.5)
(3.1)
17
49
100
(0.5)
(1.4)
(2.8)
16
44
94
(0.4)
(1.2)
(2.6)
15
43
88
(0.4)
(1.2)
(2.5)
14
40
83
(0.4)
(1.1)
(2.3)
14
38
79
(0.4)
(1.1)
(2.2)
11
31
64
(0.3)
(0.9)
(1.8)
10
27
56
(0.3)
(0.8)
(1.6)
GAS VALVE PRESSURE
GAS TYPE
IN
Butane
10.1
Natural
4.2
Propane
10.0
FLEXIBLE GAS LINES STOCKED BY ULTRAFRYER SYSTEMS
3⁄4" (19mm) Diameter Flexible Gas Line (w/quick connect
couplings) 48" (1219mm) long. Connect-It SSGC75-48-UCQ
1" (25mm) Diameter Flexible Gas Line (w/quick connect
couplings) 48" (1219mm) long. Connect-It SSGC100-48-UCQ
11⁄4" (32mm) Diameter Flexible Gas Line (w/quick connect
couplings) 48" (1219mm) long. Connect-It SSGC125-48-UCQ
INLET GAS LINE REQUIREMENTS
PIPE DIAMETERS (inches & (mm equivalents))
3
Maximum Allowable Flow (Shown in ft
/hr (M
11⁄4"
11⁄2"
2"
(32mm)
(38mm)
(51mm)
620
960
2,000
(17.4)
(26.9)
(56.0)
430
680
1,400
(12.0)
(19.0)
(39.2)
355
530
1,150
(9.9)
(14.8)
(32.2)
310
480
1,000
(8.7)
(13.4)
(28.0)
275
430
890
(7.7)
(12.0)
(24.9)
250
395
810
(7.0)
(11.1)
(22.7)
232
370
(750
(6.5)
(10.4)
(21.0)
215
340
700
(6.0)
(9.5)
(19.6)
195
310
630
(5.5)
(8.7)
(17.6)
175
280
570
(4.9)
(7.8)
(16.0)
165
260
530
(4.6)
(7.3)
(14.8)
155
240
500
(4.3)
(6.7)
(14.0)
145
230
470
(4.1)
(6.4)
(13.2)
138
215
440
(3.9)
(6.0)
(12.3)
112
176
360
(3.1)
(4.9)
(10.1)
97
152
315
(2.7)
(4.3)
(8.8)
INLET GAS REQUIREMENTS
14" (356mm) IN-N-OUT
ORIFICE HOLE
(WC)
SIZE
MM
(257)
#33
7/64
(107)
#10
#13
(254)
#31
3.0mm
DESCRIPTION
11
3
/hr))
21⁄2"
3"
(64mm)
(76mm)
(102mm)
3,500
5,400
11,200
(98.0)
(151.2)
(313.6)
2,450
3,800
7,900
(68.6)
(106.4)
(221.2)
2,000
3,200
7,900
(56.0)
(89.6)
(182.0)
1,760
2,700
5,600
(49.3)
(75.6)
(156.8)
1,560
2,450
5,000
(43.7)
(68.6)
(140.0)
1,430
2,260
4,550
(40.0)
(63.3)
(127.4)
1,300
2,100
4,200
(36.4)
(58.8)
(117.6)
1,200
1,950
4,000
(33.6)
(54.6)
(112.0)
1,080
1,750
3,550
(30.2)
(49.0)
(99.4)
960
1,600
3,200
(26.9)
(44.8)
(89.6)
890
1,450
3,000
(24.9)
(40.6)
(84.0)
840
1,350
2,800
(23.5)
(37.8)
(78.4)
780
1,300
2,650
(21.8)
(36.4)
(74.2)
750
1,250
2,500
(21.0)
(35.0)
(70.0)
630
1,000
2,050
(17.6)
(28.0)
(57.4)
530
860
1,750
(14.8)
(24.1)
(49.0)
RATING
INLET GAS FLOW AT
BTU/HR
MJ/HR
FT
105,000
(111)
95,000
(100)
105,000
(111)
95,000
(100)
105,000
(111)
95,000
(100)
RATING
BTU/HR
(MJ/HR)
225,000
435,000
875,000
4"
STP
3
/HR
M
3
/HR
33
(.90)
30
(.84)
105
(3.0)
95
(2.7)
42
(1.2)
38
(1.0)
(238)
(459)
(924)
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