The Corken 691 Compressor is a high-capacity, oil-free reciprocating compressor designed for heavy-duty industrial applications. It is particularly well-suited for the transfer and compression of LPG, ammonia, and other industrial gases, providing reliable and efficient operation in demanding environments.
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Warranty Against Defects
Original Products
Ships Worldwide
Dedicate Support
The Corken 691 Compressor is a high-capacity, oil-free reciprocating compressor designed for heavy-duty industrial applications. It is particularly well-suited for the transfer and compression of LPG, ammonia, and other industrial gases, providing reliable and efficient operation in demanding environments.
|
Specifications |
Model |
|
691/F691 |
|
|
Bore of cylinder: inches (mm) |
4.5 (114.3) |
|
Stroke: inches (mm) |
4.0 (101.6) |
|
Piston displacement cfm (m3/hr) minimum @ 400 RPM axmimum @ 825 RPM |
29.5 (50.1) 60.8 (103.3) |
|
Maximum working pressure: psig (bar g) |
335 (23.1) |
|
Maximum brake horsepower: hp (kW) |
35 (26.1) |
|
Maximum rod load: lb (kg) |
7,000 (3,175) |
|
Maximum outlet temperature: °F (°C) |
305 (177) |
|
Minimum inlet temperature: °F (°C) |
-25 (-32) |
|
Bare unit weight: lb (kg) |
745 (337.9) |
|
Maximum flow-propane: gpm (m3/hr) |
361 (82.0) b |
|
Class 300 RF flange/DIN flange option |
Yes |


Steel Baseplate:
V-Belt Drive:
Adjustable Driver-Side Base:
Enclosed Steel Guard:
Pressure Gauges:
40-Micron Strainer:
Non-Lube 4-Way Valve:
Interconnecting Piping:
Liquid Trap:

Steel Baseplate:
V-Belt Drive:
Adjustable Driver-Side Base:
Enclosed Steel Guard:
Pressure Gauges:
40-Micron Strainer:
Non-Lube 4-Way Valve:
Interconnecting Piping:
Liquid Trap:

|
Mounting Style |
Description |
Part No. |
Model Reference |
Ship Weight (Ib) Compressor w/ Mounting |
|
103 Style |
Mounting includes steel baseplate, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor. |
103-8 (a) (b) |
691AM3FBANSNN |
850 |
|
107 Style |
Mounting includes steel baseplate, mechanical liquid trap, non-lube 4-way valve, interconnecting piping, strainer, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor |
107-7 (a) (b) |
691AM3FBANSNN |
975 |
|
107A Style |
Mounting includes steel baseplate, automatic liquid trap with NEMA 7 liquid level switch to stop compressor. Non-lube 4-way valve, interconnecting piping, strainer, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor. |
107A-7 (a) (b) |
691AM3FBANSNN |
975 |
|
107B Style |
Mounting includes steel baseplate, ASME code liquid trap with two NEMA 7 liquid level switches for alarm and to stop compressor. Non-lube 4-way valve interconnecting piping, strainer and adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor. |
107B-7 (a) (b) |
691AM3FBANSNN |
1,200 |
|
109 Style |
Mounting includes steel baseplate, mechanical liquid trap, interconnecting piping, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges mounted on the compressor. |
109-10 (a) (b) |
691AM3FBANSNN |
955 |
|
109A Style |
Mounting includes steel baseplate, automatic liquid trap with NEMA 7 liquid level, switch to stop compressor, interconnecting piping, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor. |
109A-7 (a) (b) |
491AM3FBANSNN |
550 |
|
109B Style |
Mounting includes steel baseplate, ASME automatic liquid trap with two NEMA 7, liquid level switches for alarm and to stop compressor, interconnecting piping, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor. |
109B-10 (a) (b) |
691AM3FBANSNN |
1,175 |
Please note:
Above mountings are not applicable to the flanged compressors models F91–F691.
(a) Specify compressor speed
(b) Specify motor frame size (motor frequency / hertz)
(e) These units are not supplied with relief valves. A relief valve must be installed that is suitable for the service relief valve(s).
(f) Compressors must be equipped with extended crankshaft and special flywheel in order to use this mounting.
|
Service |
Capacity 1 |
Displacement cfm |
Compressor |
Driver Sheave Size P.D." 2 |
Driver Horsepower |
Piping Size 3 |
||||||
|
Liquid Transfer and Residual Vapor Recovery |
Liquid Transfer without Residual Vapor Recovery |
|||||||||||
|
Model |
RPM |
1,750 RPM |
1,450 RPM |
100°F |
80°F |
100°F |
80°F |
Vapor |
Liquid |
|||
|
Small bulk plants |
23 |
4 |
91 |
400 |
A 3.0 |
B 3.6 |
5 |
3 |
3 |
3 |
3/4 |
1-1/4 |
|
29 |
5 |
91 |
505 |
B 3.8 |
B 4.6 |
5 |
5 |
5 |
5 |
3/4 |
1-1/4 |
|
|
34 |
6 |
91 |
590 |
B 4.6 |
B 5.6 |
5 |
5 |
5 |
5 |
1 |
1-1/4 |
|
|
40 |
7 |
91 |
695 |
B 5.4 |
B 6.6 |
5 |
5 |
5 |
5 |
1 |
1-1/2 |
|
|
39 |
7 |
291 |
345 |
A 3.0 |
A 3.6 |
3 |
3 |
3 |
3 |
1 |
1-1/2 |
|
|
Unloading single tank car or transport |
45 |
8 |
91 |
800 |
B 6.2 |
B 7.4 |
7-1/2 |
7-1/2 |
7-1/2 |
7-1/2 |
1 |
1-1/2 |
|
44 |
8 |
291 |
390 |
A 3.4 |
B 4.0 |
5 |
3 |
3 |
3 |
1 |
1-1/2 |
|
|
50 |
9 |
291 |
435 |
A 3.8 |
B 4.6 |
5 |
5 |
3 |
3 |
1 |
1-1/2 |
|
|
56 |
10 |
291 |
490 |
B 4.4 |
B 5.2 |
5 |
5 |
5 |
5 |
1 |
2 |
|
|
61 |
11 |
291 |
535 |
B 4.8 |
B 5.8 |
5 |
5 |
5 |
5 |
1 |
2 |
|
|
66 |
12 |
291 |
580 |
B 5.2 |
B 6.2 |
7-1/2 |
5 |
5 |
5 |
1 |
2 |
|
|
71 |
13 |
291 |
625 |
B 5.6 |
B 6.6 |
7-1/2 |
5 |
7-1/2 |
5 |
1-1/4 |
2 |
|
|
79 |
14 |
291 |
695 |
B 6.2 |
B 7.4 |
7-1/2 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
2 |
|
|
84 |
15 |
291 |
735 |
B 6.6 |
B 8.0 |
10 |
7-1/2 |
10 |
7-1/2 |
1-1/4 |
2-1/2 |
|
|
84 |
15 |
491 |
345 |
A 3.0 |
A 3.6 |
7-1/2 |
7-1/2 |
5 |
5 |
1-1/4 |
2-1/2 |
|
|
89 |
16 |
291 |
780 |
B 7.0 |
B 8.6 |
10 |
10 |
10 |
10 |
1-1/4 |
2-1/2 |
|
|
89 |
16 |
491 |
370 |
A 3.2 |
A 3.8 |
7-1/2 |
7-1/2 |
7-1/2 |
5 |
1-1/4 |
2-1/2 |
|
|
Unloading two or more tank cars at one time or large transport with excess flow valves of adequate capacity |
95 |
17 |
491 |
390 |
A 3.4 |
B 4.0 |
7-1/2 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
101 |
18 |
491 |
415 |
A 3.6 |
B 4.4 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
106 |
19 |
491 |
435 |
A 3.8 |
B 4.6 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
108 |
20 |
491 |
445 |
B 4.0 |
B 4.8 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
114 |
21 |
491 |
470 |
B 4.2 |
B 5.0 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
119 |
22 |
491 |
490 |
B 4.4 |
B 5.2 |
10 |
10 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
125 |
23 |
491 |
515 |
B 4.6 |
B 5.6 |
10 |
10 |
10 |
7-1/2 |
1-1/4 |
3 |
|
|
130 |
24 |
491 |
535 |
B 4.8 |
B 5.8 |
15 |
10 |
10 |
10 |
1-1/4 |
3 |
|
|
136 |
25 |
491 |
560 |
B 5.0 |
B 6.0 |
15 |
10 |
10 |
10 |
1-1/4 |
3 |
|
|
141 |
26 |
491 |
580 |
B 5.2 |
B 6.2 |
15 |
10 |
10 |
10 |
1-1/4 |
3 |
|
|
147 |
27 |
491 |
605 |
B 5.4 |
B 6.4 |
15 |
10 |
15 |
10 |
1-1/4 |
3 |
|
|
152 |
28 |
491 |
625 |
B 5.6 |
B 6.6 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
158 |
29 |
491 |
650 |
B 5.8 |
B 7.0 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
163 |
30 |
491 |
670 |
B 6.0 |
|
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
163 |
30 |
691 |
400 |
B 4.4 |
B 5.2 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
168 |
31 |
491 |
695 |
B 6.2 |
B 7.4 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
171 |
31 |
691 |
420 |
B 4.6 |
B 5.6 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
179 |
32 |
491 |
740 |
B 6.6 |
B 8.0 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
178 |
32 |
691 |
440 |
B 4.8 |
B 5.8 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
186 |
34 |
691 |
455 |
B 5.0 |
B 6.0 |
15 |
15 |
15 |
10 |
1-1/2 |
3 |
|
|
193 |
35 |
691 |
475 |
B 5.2 |
B 6.2 |
15 |
15 |
15 |
10 |
1-1/2 |
3 |
|
|
200 |
36 |
691 |
495 |
B 5.4 |
B 6.4 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
Unloading large tank cars, multiple vessels, barges or terminals |
208 |
38 |
691 |
510 |
B 5.6 |
B 6.8 |
20 |
15 |
15 |
15 |
1-1/2 |
4 |
|
215 |
39 |
691 |
530 |
B 5.8 |
B 7.0 |
20 |
15 |
15 |
15 |
1-1/2 |
4 |
|
|
223 |
41 |
691 |
550 |
B 6.0 |
A 7.0 |
20 |
15 |
15 |
15 |
1-1/2 |
4 |
|
|
230 |
42 |
691 |
565 |
B 6.2 |
B 7.4 |
20 |
15 |
15 |
15 |
2 |
4 |
|
|
237 |
43 |
691 |
585 |
B 6.4 |
A 7.4 |
20 |
15 |
15 |
15 |
2 |
4 |
|
|
245 |
45 |
691 |
605 |
B 6.6 |
B 8.0 |
20 |
15 |
15 |
15 |
2 |
4 |
|
|
252 |
46 |
691 |
620 |
B 6.8 |
|
20 |
20 |
15 |
15 |
2 |
4 |
|
|
260 |
47 |
691 |
640 |
B 7.0 |
A 8.2 |
20 |
20 |
20 |
15 |
2 |
4 |
|
|
275 |
48 |
691 |
675 |
B 7.4 |
B 8.6 |
25 |
20 |
20 |
20 |
2 |
4 |
|
|
297 |
54 |
691 |
730 |
B 8.0 |
B 9.4 |
25 |
20 |
20 |
20 |
2 |
4 |
|
|
319 |
58 |
691 |
785 |
B 8.6 |
|
25 |
20 |
25 |
20 |
2 |
4 |
|
|
334 |
60 |
691 |
820 |
TB 9.0 |
A 10.6 |
30 |
25 |
25 |
20 |
2 |
4 |
|
|
452 |
82 |
D/FD891 |
580 |
5V 7.1 |
5V 8.5 |
30 |
30 |
30 |
30 |
3 |
6 |
|
|
623 |
113 |
D/FD891 |
800 |
5V 9.75 |
5V 11.8 |
|
40 |
40 |
30 |
3 |
6 |
|
|
Service |
Capacity 1 |
Displacement cfm |
Compressor |
Driver Sheave Size P.D." 2 |
Driver Horsepower |
Piping Size 3 |
||||||
|
Liquid Transfer and Residual Vapor Recovery |
Liquid Transfer without Residual Vapor Recovery |
|||||||||||
|
Model |
RPM |
1,750 RPM |
1,450 RPM |
100°F |
80°F |
100°F |
80°F |
Vapor |
Liquid |
|||
|
Small bulk plants |
23 |
4 |
91 |
400 |
A 3.0 |
B 3.6 |
5 |
3 |
3 |
3 |
3/4 |
1-1/4 |
|
29 |
5 |
91 |
505 |
B 3.8 |
B 4.6 |
5 |
5 |
5 |
3 |
3/4 |
1-1/4 |
|
|
34 |
6 |
91 |
590 |
B 4.6 |
B 5.6 |
5 |
5 |
5 |
5 |
1 |
1-1/4 |
|
|
40 |
7 |
91 |
695 |
B 5.4 |
B 6.6 |
5 |
5 |
5 |
5 |
1 |
1-1/2 |
|
|
43 |
7 |
291 |
345 |
A 3.0 |
A 3.6 |
5 |
3 |
3 |
3 |
1 |
1-1/2 |
|
|
Unloading single tank car or transport |
46 |
8 |
91 |
800 |
B 6.2 |
B 7.4 |
7-1/2 |
5 |
5 |
5 |
1 |
1-1/2 |
|
45 |
8 |
291 |
390 |
A 3.4 |
B 4.0 |
5 |
3 |
3 |
3 |
1 |
1-1/2 |
|
|
50 |
9 |
291 |
435 |
A 3.8 |
B 4.6 |
5 |
5 |
3 |
3 |
1 |
1-1/2 |
|
|
56 |
10 |
291 |
490 |
B 4.4 |
B 5.2 |
5 |
5 |
5 |
3 |
1 |
2 |
|
|
62 |
11 |
291 |
535 |
B 4.8 |
B 5.8 |
7-1/2 |
5 |
5 |
5 |
1 |
2 |
|
|
67 |
12 |
291 |
580 |
B 5.2 |
B 6.2 |
7-1/2 |
5 |
5 |
5 |
1 |
2 |
|
|
72 |
13 |
291 |
625 |
B 5.6 |
B 6.6 |
7-1/2 |
5 |
5 |
5 |
1-1/4 |
2 |
|
|
80 |
14 |
291 |
695 |
B 6.2 |
B 7.4 |
7-1/2 |
7-1/2 |
7-1/2 |
5 |
1-1/4 |
2 |
|
|
85 |
15 |
291 |
735 |
B 6.6 |
B 8.0 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
2-1/2 |
|
|
85 |
15 |
491 |
345 |
A 3.0 |
A 3.6 |
7-1/2 |
7-1/2 |
5 |
5 |
1-1/4 |
2-1/2 |
|
|
90 |
16 |
291 |
780 |
B 7.0 |
B 8.6 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
2-1/2 |
|
|
90 |
16 |
491 |
370 |
A 3.2 |
A 3.8 |
10 |
7-1/2 |
5 |
5 |
1-1/4 |
2-1/2 |
|
|
Unloading two or more tank cars at one time or large transport with excess flow valves of adequate capacity |
96 |
17 |
491 |
390 |
A 3.4 |
B 4.0 |
10 |
7-1/2 |
5 |
5 |
1-1/4 |
3 |
|
102 |
18 |
491 |
415 |
A 3.6 |
B 4.4 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
107 |
19 |
491 |
435 |
A 3.8 |
B 4.6 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
110 |
20 |
491 |
445 |
B 4.0 |
B 4.8 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
115 |
21 |
491 |
470 |
B 4.2 |
B 5.0 |
10 |
7-1/2 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
120 |
22 |
491 |
490 |
B 4.4 |
B 5.2 |
15 |
10 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
126 |
23 |
491 |
515 |
B 4.6 |
B 5.6 |
15 |
10 |
7-1/2 |
7-1/2 |
1-1/4 |
3 |
|
|
131 |
24 |
491 |
535 |
B 4.8 |
B 5.8 |
15 |
10 |
10 |
7-1/2 |
1-1/4 |
3 |
|
|
138 |
25 |
491 |
560 |
B 5.0 |
B 6.0 |
15 |
10 |
10 |
7-1/2 |
1-1/4 |
3 |
|
|
142 |
26 |
491 |
580 |
B 5.2 |
B 6.2 |
15 |
10 |
10 |
7-1/2 |
1-1/4 |
3 |
|
|
148 |
27 |
491 |
605 |
B 5.4 |
B 6.4 |
15 |
10 |
10 |
10 |
1-1/4 |
3 |
|
|
153 |
28 |
491 |
625 |
B 5.6 |
B 6.6 |
15 |
10 |
10 |
10 |
1-1/2 |
3 |
|
|
160 |
29 |
491 |
650 |
B 5.8 |
B 7.0 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
165 |
30 |
491 |
670 |
B 6.0 |
|
15 |
15 |
15 |
10 |
1-1/2 |
3 |
|
|
165 |
30 |
691 |
400 |
B 4.4 |
B 5.2 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
170 |
31 |
491 |
695 |
B 6.2 |
B 7.4 |
15 |
15 |
15 |
10 |
1-1/2 |
3 |
|
|
173 |
31 |
691 |
420 |
B 4.6 |
B 5.6 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
181 |
32 |
491 |
740 |
B 6.6 |
B 8.0 |
15 |
15 |
15 |
15 |
1-1/2 |
3 |
|
|
180 |
32 |
691 |
440 |
B 4.8 |
B 5.8 |
15 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
188 |
34 |
691 |
455 |
B 5.0 |
B 6.0 |
20 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
195 |
35 |
691 |
475 |
B 5.2 |
B 6.2 |
20 |
15 |
10 |
10 |
1-1/2 |
3 |
|
|
203 |
36 |
691 |
495 |
B 5.4 |
B 6.4 |
20 |
15 |
15 |
10 |
1-1/2 |
3 |
|
|
Unloading large tank cars, multiple vessels, barges or terminals |
211 |
38 |
691 |
510 |
B 5.6 |
B 6.8 |
20 |
15 |
15 |
10 |
1-1/2 |
4 |
|
218 |
39 |
691 |
530 |
B 5.8 |
B 7.0 |
20 |
15 |
15 |
15 |
1-1/2 |
4 |
|
|
226 |
41 |
691 |
550 |
B 6.0 |
A 7.0 |
20 |
15 |
15 |
15 |
1-1/2 |
4 |
|
|
233 |
42 |
691 |
565 |
B 6.2 |
B 7.4 |
20 |
15 |
15 |
15 |
2 |
4 |
|
|
240 |
43 |
691 |
585 |
B 6.4 |
A 7.4 |
20 |
20 |
15 |
15 |
2 |
4 |
|
|
248 |
45 |
691 |
605 |
B 6.6 |
B 8.0 |
20 |
20 |
15 |
15 |
2 |
4 |
|
|
255 |
45 |
691 |
620 |
B 6.8 |
|
25 |
20 |
15 |
15 |
2 |
4 |
|
|
263 |
47 |
691 |
640 |
B 7.0 |
A 8.2 |
25 |
20 |
15 |
15 |
2 |
4 |
|
|
278 |
48 |
691 |
675 |
B 7.4 |
B 8.6 |
25 |
20 |
15 |
15 |
2 |
4 |
|
|
301 |
54 |
691 |
730 |
B 8.0 |
B 9.4 |
25 |
20 |
20 |
15 |
2 |
4 |
|
|
323 |
58 |
691 |
785 |
B 8.6 |
|
30 |
25 |
20 |
20 |
2 |
4 |
|
|
338 |
60 |
691 |
820 |
TB 9.0 |
A 10.6 |
30 |
25 |
20 |
20 |
2 |
4 |
|
|
459 |
82 |
D/FD891 |
580 |
5V 7.1 |
5V 8.5 |
40 |
30 |
30 |
30 |
3 |
6 |
|
|
633 |
113 |
D/FD891 |
800 |
5V 9.75 |
5V 11.8 |
|
40 |
40 |
30 |
3 |
6 |
|
Compressor repair Kits
|
part number |
3552-x1 |
3552-x2 |
|
model number |
690K3, 690p3 |
690m3, 691m3 |
|
Suction valve assembly |
3948-X (2)2 |
3948-X (2)2 |
|
discharge valve assembly |
3857-X (2)2 |
3857-X (2)2 |
|
Valve cage |
2797 (4)2 |
2797 (4)2 |
|
Connecting rod bearing (pair) |
1719 (2)2 |
3542 (2)2 |
|
Packing set |
1725-2X (2)2 |
1725-2X (2)2 |
|
Piston rings |
1739 (6)2 |
1739 (6)2 |
|
ring expanders |
1740 (6)2 |
1740 (6)2 |
|
Gasket set1 |
1744-X1A1 |
1744-X1A1 |
|
O-ring1 |
— |
2-261A (2)1, 2 |
|
O-ring1 |
— |
— |
|
O-ring1 |
— |
— |
|
Oil seal |
— |
3526 |
|
Oil seal |
— |
— |
|
Adapter plate gasket |
— |
— |
Model 691 gasket set (1744-x3A)
|
part number |
description |
Quantity |
|
1760 |
Inspection plate gasket |
1 |
|
2-031A |
O-ring, buna-N |
4 |
|
2-231A |
O-ring, buna-N |
2 |
|
2-235A |
O-ring, buna-N |
4 |
|
2-261A |
O-ring, buna-N |
2 |
|
2123 |
Crankcase inspection plate gas |
2 |
|
2131 |
bearing carrier gasket |
1 |
|
2716 |
Valve cap gasket, aluminum |
4 |
|
4127 |
Lubricator gasket |
1 |
|
1281 |
Filter screen screw gasket |
1 |
|
1761 |
Crankcase gasket |
1 |
|
2-228A |
O-ring, buna-N |
1 |
|
2-233A |
O-ring, buna-N |
2 |
|
2-247A |
O-ring, buna-N |
2 |
|
2114 |
Valve gasket, aluminum |
4 |
|
2129 |
Oil inlet gasket |
1 |
|
2177 |
Flange gasket |
2 |
|
3874 |
Access cover gasket |
2 |
Piston Assembly number 1987-x1
|
ref no. |
part no. |
description |
Qty |
|
1. |
7002-025TP125A |
Screw, socket head |
8 |
|
7207-025A |
Lock washer |
8 |
|
|
2. |
1987 |
Head, iron |
1 |
|
3. |
1740 |
ring expander |
3 |
|
4. |
1739 |
Piston ring |
3 |
|
5. |
1482 |
Locknut |
1 |
|
6. |
1483 |
Lock pin |
1 |
|
7. |
1735 |
Shim washer, thick |
As req. |
|
1735-1 |
Shim washer, thin |
||
|
8. |
1986 |
Piston platform |
1 |
Packing Assembly
|
ref no. |
part no. |
description |
Qty |
|
1. |
3457 |
Cylinder |
1 |
|
2. |
2-247_a |
O-ring for cylinder |
2 |
|
3. |
1749 |
Cartridge holddown screw |
2 |
|
4. |
5000-175 |
retainer ring |
2 |
|
5. |
1731 |
Packing spring |
2 |
|
6. |
1728 |
Packing washer |
2 |
|
7. |
1724 |
Male packing ring |
2 |
|
8. |
1725 |
Packing ring |
4 |
|
9. |
1723 |
Female packing ring |
2 |
|
10. |
2407 |
Packing box cartridge |
2 |
|
11. |
2-233_a |
O-ring (packing cartridge) |
2 |
|
12. |
1748 |
Cartridge plate |
2 |
|
13. |
5000-350 |
retainer ring |
2 |
|
14. |
2405 |
Crosshead guide |
1 |
|
15. |
1722 |
Adjusting screw |
2 |
|
16. |
1761 |
Crankcase gasket |
1 |
|
17. |
1725-2X |
Packing set |
2 |
|
18. |
1760 |
Inspection plate gas- ket |
1 |
|
19. |
1721 |
Inspection plate |
1 |
|
20. |
7003- 025NC037E |
Screw-1/4-20x3/8" |
4 |
|
not shown |
1192 |
Locking device for adj. screw |
4 |
|
not shown |
2893 |
Locking device cartridge holddown screw |
|
Four-Way Valve Repair Kits
|
description |
trim |
part number |
Connection sizes |
|
Four-Way Valve repair Kits |
PTFE and buna-N trim |
3122-X |
1" |
|
3123-X |
1¼" |
||
|
3130-X |
2" |
Compressor Head Assembly
|
ref no. |
part no. |
description |
|
1. |
1743 |
Head (690) |
|
2. |
3458d |
Head (691) |
|
3. |
4299 |
F691 head |
|
4. |
2144-2 |
Flange (suction) 2" NPT |
|
2144-2Sc |
Flange 2" weld |
|
|
4.1 |
2144-1.5 |
Flange (discharge) 1-1/2" NPT |
|
2144-1.5Sc |
Flange 1-1/2" Weld |
|
|
5. |
2-231_a |
O-ring |
|
6. |
1744b |
Head gasket (690) |
|
1744-1b,c |
Head gasket grafoil |
|
|
7. |
2-261_a |
O-ring for head (691) |
|
8. |
7001-043 NC150A |
bolt, 7/16-14 x 1-1/2" hex head |
|
9. |
2136 |
Center head bolt |
|
10. |
1625 |
Center head bolt gasket (aluminum) |
|
1625-1c |
Center head bolt gasket (copper) |
|
|
1625-2c |
Center head bolt gasket (iron-lead) |
|
|
11. |
7005-043 NC125A |
bolt, 7/16-14 x 1-1/4" ferry head |
|
11.1 |
7006-043A |
reg. lockwasher 7/16" |
|
11.2 |
7005-050 NC150A |
bolt, 1/2-13 x 1-1/2" ferry head |
|
12. |
2714 |
Valve cap |
|
2714-1 |
Valve cap, grooved for O-ring |
|
|
13. |
2-031_a |
O-ring for valve cap |
|
2716c |
Gasket (aluminum) for valve cap |
|
|
2716-1c |
Gasket (copper) for valve cap |
|
|
2716-2c |
Gasket (iron) for valve cap |
|
|
14. |
2715 |
Holddown screw |
|
15. |
7001-043 NC137A |
bolt, 7/16-14 x 1-3/8" hex head |
|
16. |
1764 |
Valve cover plate |
|
17. |
2-235_a |
O-ring (cover plate) |
|
18. |
2797 |
Valve cage |
|
19. |
2114 |
Valve gasket (aluminum) |
|
2114-1c |
Valve gasket (copper) |
|
|
2114-2c |
Valve gasket (iron) |
|
|
20. |
5000-77 |
retainer ring |
|
21. |
3977 |
Suction valve relief housing (spec 3) |
|
22. |
1411 |
Spring |
|
23. |
1410 |
relief ball |
|
24. |
3948 |
Valve seat (spec. 3) |
|
25. |
2534-1 |
Suction valve post (spec 3) |
|
26. |
3872 |
Inner valve plate |
|
27. |
3871 |
Outer valve plate |
|
28. |
3929 |
Inner valve spring |
|
29. |
3928 |
Outer valve spring |
|
30. |
3949 |
Valve bumper (spec. 3) |
|
31. |
3857 |
Valve bumper |
|
32. |
3920 |
Valve stud |
|
33. |
3856 |
Valve seat |
Compressor Valve Assembly
|
ref no. |
valve Assembly no. |
Assembly name |
|
101. |
3948-X |
Suction valve assembly (spec. 3) (includes valve gasket) |
|
3948-X1c |
Same as above but with copper gasket |
|
|
3948-X2c |
Same as above but with iron-lead gasket |
|
|
102. |
3856-X |
Suction valve assembly (includes valve gasket) |
|
3856-X1c |
Same as above but with copper gasket |
|
|
2255-X2c |
Same as above but with iron-lead gasket |
|
|
103. |
3857-X |
discharge valve assembly (includes valve gasket) |
|
3857-X1c |
Same as above but with copper gasket |
|
|
3857-X2c |
Same as above but with iron-lead gasket |
|
|
104. |
3146-X1 |
Valve repair kit (suction & discharge) |
Other Assemblies
|
head Assembly number |
models |
valve specification |
|
1743-X |
690 |
3 |
|
3458-X |
691 |
3 |
|
O-ring Code |
|
|
A |
buna-N |
|
b |
Neoprene®e |
a _ denotes O-ring code. See O-ring chart above for details.
b Not included in head assembly.
c Optional.
d S/N NQ51455 and later. Earlier models use gasket #2177.
e Registered trademark of the DuPont company.
flywheel Assembly
|
Assembly number |
Assembly name |
|
1762-X |
Flywheel assembly (flywheel, hub, and three bolts) |
|
1762 |
Flywheel: 19.5" O.d., 4 groove |
|
H E-2.125 |
Hub with three bolts and lockwashers |
Crankcase Assembly
|
ref no. |
part no. |
description |
|
1. |
1737 |
bearing cone |
|
2. |
3638 |
Spacer |
|
3. |
3635 |
drive sprocket |
|
4. |
1284 |
Crankshaft orifice |
|
5. |
2135 |
drive pin |
|
6. |
2933 |
Link pin |
|
7. |
3786 |
Crankshaft |
|
8. |
3503 |
Flywheel key |
|
9. |
3580 |
bearing cone |
|
10. |
3786-X1 |
Crankshaft assembly |
|
11. |
7001-031NC075A |
bolt, 5/16 - 18 x 3/4" hex head |
|
12. |
2122 |
Inspection cover |
|
13. |
2123 |
Gasket, inspection cover |
|
14. |
2-210_d |
O-ring |
|
15. |
3225-X1 |
Oil bayonet assembly (w/O-ring) |
|
16. |
2126 |
breather ball |
|
17. |
3579 |
bearing cup |
|
18. |
3589 |
bearing adjustment shim (.005") |
|
3589-1 |
bearing adjustment shim (.007") |
|
|
3589-2 |
bearing adjustment shim (.020") |
|
|
19. |
3539 |
bearing cover |
|
20. |
3526 |
Oil seal |
|
21. |
1280 |
Filter screw |
|
22. |
1281 |
Gasket, filter |
|
23. |
2-116_d |
O-ring |
|
24. |
1276 |
Washer |
|
25. |
1275 |
Oil filter screen |
|
26. |
3443 |
Pipe plug, 1/2" NPT steel |
|
27. |
3221 |
Crankcase |
|
28. |
7001-037NC100A |
bolt, 3/8 - 16 x 1" hex head Gr. 5 |
|
29. |
3875 |
Access cover |
|
30. |
7003-025NC037E |
Screw, 1/4 - 20 x 3/8" |
|
31. |
3874 |
Gasket, access cover |
|
32. |
1515-X |
Closure cap assembly |
|
33. |
7001-025NC050A |
bolt, 1/4 - 20 x 1/2" hex head |
|
34. |
1515 |
Closure cap |
|
35. |
1516 |
Closure body |
|
36. |
2-218_d |
O-ring |
|
37. |
1290 |
relief valve adjusting screw |
|
38. |
2-011_d |
O-ring |
|
39. |
1291 |
Adjusting screw locknut |
|
40. |
1292 |
relief valve spring |
|
41. |
1293 |
relief valve ball |
|
42. |
4222-Xc |
Oil filter adapter assembly (w/pin) |
|
43. |
2-228_d |
O-ring |
|
44. |
2849-1Xc |
Oil pump assembly |
|
45. |
2851 |
Spring guide |
|
46. |
2852 |
Oil pump spring |
|
47. |
3219 |
Pump shaft adapter |
|
ref no. |
part no. |
description |
|
48. |
2-112_d |
O-ring |
|
49. |
2805-X_d |
Pump shaft bushing |
|
50. |
1629 |
Pipe plug, 1/16 NPT fl. seal |
|
51. |
1736 |
bearing cup |
|
52. |
1302 |
Oil pressure gauge |
|
53. |
1044 |
bushing, 1/8 x 1/4 NPT |
|
54. |
3220-2 |
bearing carrier |
|
55. |
3289 |
Pipe plug, 1/4 NPT fl. seal |
|
56. |
2131 |
bearing carrier gasket |
|
57. |
2961-X |
Air release valve assembly |
|
58. |
2590 |
Pipe plug, 1/8 NPT fl. Seal |
|
59. |
4225 |
Filter |
|
60. |
2798 |
Pump cover pin (included w/4222-X) |
|
61. |
3220-2X |
bearing carrier assembly M3 style |
Additional Assembly
|
Assembly number |
Assembly name |
|
3221-X1a |
Crankcase assembly (M3, 4, 8, 9) without lubrication |
Connecting rod Assembly
|
ref no. |
part number |
description |
|
|
spec. K,p Only |
spec. m Only |
||
|
1. |
1717-X1 |
3544-X4 |
Crosshead assy. |
|
2. |
1498 |
3590 |
retainer ring |
|
3. |
1718 |
3540 |
Wrist pin |
|
4. |
1495-Xa,b |
3541-Xb,d |
Wrist pin bushing |
|
5. |
1726b |
1726b |
bolt |
|
6. |
1720-X |
3785-X1 |
Conn. rod assy. |
|
7. |
1720b |
3785b |
Connecting rod |
|
8. |
1719b |
3542b |
Conn. rod bearing |
|
9. |
1727b,c |
1727b,c |
Nut |
Other Assemblies
|
Assembly number |
Assembly name |
|
1717-X1 |
Crosshead assembly “P” style |
|
2405-X |
Crosshead guide assembly with 1748 (2), 2405, 5000-350 (2) |
|
3544-X4 |
Crosshead assembly “M” style |
|
O-ring Code |
|
|
A |
buna-N |
|
b |
Neoprene®b |
a _ denotes O-ring code. See O-ring chart above for details.
b Registered trademark of the DuPont