C-21 Casing Hangers

GBI C21, or C-21, casing hangers are a wrap-around style with slip segments to bite into the casing. They are a non-automatic sealing solution used with a separate seal assembly H-Packoff and recommended for lightweight applications.

Our C-21 hangers are available

In all standard API casing sizes as well for custom wellheads
Non-Monogrammed and API Monogrammed
M/C: AA-HH, T/C: P-U, PSL 1-3, PR2

The H Packoff utilizes CS O-Rings seals for ID and OD and is available in all API casing sizes for M/C: AA-HH. Our C21 casing hangers and H-Packoff have been successfully used by large and small Wellhead Manufacturers and Repair facilities worldwide in the Oil & Gas Industry for over 35 years.

Call our experts today to learn more about Wellhead C-21 Casing Hangers products, and C-21 Low-Capacity Casing Hanger for Oil & Gas Wellhead equipment.

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C21 Casing Hanger Specifications

All sizes are available API Monogrammed, PSL 1-3, Material class AA, BB, CC, DD, EE, FF, HH

Size	GBI Part #
7” x 2-3/8”	A2333
7” x 2-7/8”	A2334
7” x 3-1/2”	A2335
7” x 4-1/2”	A4781
9” x 2-3/8”	A2197
9” x 2-7/8”	A2198
9” x 3-1/2”	A2199
9” x 4”	A2194
9” x 4-1/2”	A2196
9” x 5”	A2200
9” x 5-1/2”	A2201
11” x 2-3/8”	H2976*
11” x 2-7/8”	H2977*
11” x 3-1/2”	H2978*
11” x 4”	H2206*
11” x 4-1/2	H2133*
11” x 5”	H2208*
11” x 5-1/2”	H2134*
11” x 5-3/4”	H2136*
11” x 6”	H2209*

Size	GBI Part #
11” x 6-5/8”	H2205*
11” x 7”	H2211*
11” x 7-1/4”	TBA
11” x 7-5/8”	H2213*
11” x 7-3/4”	H2214*
13-5/8” x 4-1/2”	H2281*
13-5/8” x 5”	H2579*
13-5/8” x 5-1/2”	H2282*
13-5/8” x 7”	H2283*
13-5/8” x 7-5/8”	H2284*
13-5/8” x 7-3/4”	H2289*
13-5/8” x 8-5/8”	H2286*
13-5/8” x 9-5/8”	H2287*
13-5/8” x 9-3/4”	H2288*
13-5/8” x 9-7/8”	H2138*
13-5/8” x 10-3/4”	A2210
16-3/4” x 6-5/8 & 7”	A2223
16-3/4” x 7-5/8”	A2571
16-3/4” x 9-5/8”	A2586
16-3/4” x 10-3/4”	A2587

Size	GBI Part #
16-3/4” x 11-3/4”	A2588
16-3/4” x 11-7/8”	A2593
16-3/4” x 12-3/4”	A2596
16-3/4” x 13-3/8”	A2215
16-3/4” x 13-5/8”	A2598
18-3/4” x 13-3/8”	A2599
18-3/4” x 13-5/8”	TBA
21-1/4” x 9-5/8”	A2604
21-1/4” x 10-3/4”	A2589
21-1/4” x 11-3/4”	A2590
21-1/4” x 13-3/8”	A2591
21-1/4” x 13-5/8”	A2592
21-1/4” x 14”	A4771
21-1/4” x 16”	A2930
21-1/4” x 16-3/4”	A2139
24” x 18-5/8”	A2581
26” x 16”	A2573
26” x 18-5/8”	A2911
26” x 20”	A2141
30” x 24”	A2142

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H Packoff Sizes for C-21 Casing Hangers Specifications

All sizes are available API Monogrammed, PSL 1-3, Material class AA, BB, CC, DD, EE, FF, HH

Size	GBI Part #
7” x 2-3/8”	A2371
7” x 2-7/8”	A2372
7” x 3-1/2”	A2373
7” x 4-1/2”	A2374
9” x 4-1/2”	A2226
9” x 5”	A2225
9” x 5-1/2”	A2227
11” x 2-3/8”	A2972
11” x 2-7/8”	A2971
11” x 3-1/2”	A2973
11” x 4”	A2228
11” x 4-1/2	A2229
11” x 5”	A2231
11” x 5-1/2”	A2232
11” x 5-3/4”	A2237
11” x 6”	A2224
11” x 6-5/8”	A2230
11” x 7”	A2233

Size	GBI Part #
11” x 7-5/8”	A2234
11” x 7-3/4”	A2217
13-5/8” x 2-3/8”	A2301
13-5/8” x 2-7/8”	A2302
13-5/8” x 3-1/2”	A2303
13-5/8” x 4-1/2”	A2356
13-5/8” x 5-1/2”	A2357
13-5/8” x 7”	A2358
13-5/8” x 7-5/8”	A2359
13-5/8” x 7-3/4”	A2352
13-5/8” x 8-5/8”	A2360
13-5/8” x 9-5/8”	A2361
13-5/8” x 9-3/4”	A2351
13-5/8” x 9-7/8”	A2239
13-5/8” x 10-3/4”	A2235
16-3/4” x 7”	A2369
16-3/4” x 7-5/8”	A2377
16-3/4” x 9-5/8”	A2362

Size	GBI Part #
16-3/4” x 10-3/4”	A2363
16-3/4” x 11-3/4”	A2364
16-3/4” x 11-7/8”	A2368
16-3/4” x 12-3/4”	A2220
16-3/4” x 13-3/8”	A2280
16-3/4” x 13-5/8”	A2275
21-1/4” x 9-5/8”	A2375
21-1/4” x 10-3/4”	A2365
21-1/4” x 11-3/4”	A2366
21-1/4” x 13-3/8”	A2367
21-1/4” x 13-5/8”	A2285
21-1/4” x 16”	A2909
21-1/4” x 16-3/4”	A2242
24” x 18-5/8”	A2583
26” x 18-5/8”	A2914
26” x 20”	A2243
30” x 24”	A2244

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