'H' TWCV Two-Way Check Valve Oil & Gas Wellhead Services

‘H’ TWCV, also known as Two-Way Check Valve, was designed to fit the same profile in the tubing hanger as BPV. Two-Way Check Valve holds pressure from both directions while allowing balance when required and is used to test the tree and BOP assembly.

GBI ‘H’ TWCV is available:

in API tubing sizes from 2” to 6-5/16”,
up to 20KSI working pressure
Non-Monogrammed and API Monogrammed
M/C: AA-HH, T/C: P-U, PR2

GBI ‘H’ TWCV designed for

Balance pressure at removal from the tubing hanger
Corrosion resistance – NACE and API 6A compliant
Enhanced load-bearing – QPQ Nitride
High-pressure seal performance – Viton, HSN, and Nitrile seals

Our ‘H’ TWCV – Two-Way Check Valves are test and field-proven, successfully used by Wellhead Manufacturers and Repair facilities worldwide in Oil & Gas industry for over 35 years.

Call an expert at G.B. Industry to learn more about Two‐Way Check Valves Wellhead Equipment, and 'H' TWCV Two-Way Check Valve for Oil & Gas Wellhead Services.

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‘H’ Two-Way Check Valves Specifications

PSL-N/A, PR1, All applicable API 6A Material Classes, P-U, Non-Monogrammed

Valves are QPQ Nitride, Viton Seals

Size (Nominal)	GBI Part #
1-1/2” Max OD - 1.605”	A1306
1-3/4” Max OD - 1.775”	A1307
2” Max OD - 2.020”	A1310
2-1/2” Max OD - 2.485”	A1315
3” Max OD - 3.030”	A1320
3-1/2” Max OD - 3.530”	A1322
4” Max OD - 3.980”	A1325
4-3/32” Max OD - 4.085”	A1327
4-3/8” Max OD - 4.370”	A1323
4-3/4” Max OD - 4.730”	A1326
5” Max OD - 4.980”	A1328
5” Max OD 5.010”	A1408
6” (4 TPI) Max OD - 5.980”	A1362
6-5/32” (4 TPI) Max OD - 6.135”	A1397
6-1/16” (2 TPI) Max OD - 6.0575”	A1372
6-1/8” (2 TPI) Max OD - 6.1205”	A1377
6-5/16” (2 TPI) Max OD - 6.3075”	A1382

Valves are QPQ Nitride, Viton Seals

PSL-N/A, PR2, All applicapble API 6A Material Classes, P-U, API-Monogrammed

Complete with Hydro-Test

Size (Nominal)	GBI Part #
1-1/2” Max OD - 1.605”	A1306-1
1-3/4” Max OD - 1.775”	A1307-1
2” Max OD - 2.020”	A1310-1
2-1/2” Max OD - 2.485”	A1315-1
3” Max OD - 3.030”	A1320-1
3-1/2” Max OD - 3.530”	A1322-1
4” Max OD - 3.980”	A1325-1
4-3/32” Max OD - 4.085”	A1327-1
4-3/8” Max OD - 4.370”	A1323-1
4-3/4” Max OD - 4.730”	A1326-1
5” Max OD - 4.980”	A1328-1
5” Max OD - 5.010”	A1408-I
6” (4 TPI) Max OD - 5.980”	A1362-1
6-5/32” (4 TPI) Max OD - 6.135”	A1397-1
6-1/16” (2 TPI) Max OD - 6.0575”	A1372-1
6-1/8” (2 TPI) Max OD - 6.1205”	A1377-1
6-5/16” (2 TPI) Max OD - 6.3075”	A1382-1

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INCONEL

PSL-N/A, PR1, All API 6A Material Classes, P-U, Non-Monogrammed

Valves are Inconel, Viton Seals

Size (Nominal)	GBI Part #
1-1/2” Max OD - 1.605”	I1306
1-3/4” Max OD - 1.775”	I1307
2” Max OD - 2.020”	I1310
2-1/2” Max OD - 2.485”	I1315
3” Max OD - 3.030”	I1320
3-1/2” Max OD - 3.530”	I1322
4” Max OD - 3.980”	I1325
4-3/32” Max OD - 4.085”	I1327
4-3/8” Max OD - 4.370”	I1314
4-3/4” Max OD - 4.730”	I1323
5” Max OD - 4.980”	I1328
5” Max OD - 5.010”	I1408
6” (4 TPI) Max OD - 5.980”	I1362
6-5/32” (4 TPI) Max OD - 6.135”	I1397
6-1/16” (2 TPI) Max OD - 6.0575”	I1372
6-1/8” (2 TPI) Max OD - 6.1205”	I1377
6-5/16” (2 TPI) Max OD - 6.3075”	I1382

INCONEL

Valves are Inconel, Viton Seals

PSL-N/A, PR2, All API 6A Material Classes, P-U, API-Monogrammed

*Complete with Hydro-Test

Size (Nominal)	GBI Part #
1-1/2” Max OD - 1.605”	I1306-1
1-3/4” Max OD - 1.775”	I1307-1
2” Max OD - 2.020”	I1310-1
2-1/2” Max OD - 2.485”	I1315-1
3” Max OD - 3.030”	I1320-1
3-1/2” Max OD - 3.530”	I1322-1
4” Max OD - 3.980”	I1325-1
4-3/32” Max OD - 4.085”	I1327-1
4-3/8” Max OD - 4.370”	I1314-1
4-3/4” Max OD - 4.730”	I1323-1
5” Max OD - 4.980”	I1328-1
5” Max OD - 5.010”	I1408-I
6” (4 TPI) Max OD - 5.980”	I1362-1
6-5/32” (4 TPI) Max OD - 6.135”	I1397-1
6-1/16” (2 TPI) Max OD - 6.0575”	I1372-1
6-1/8” (2 TPI) Max OD - 6.1205”	I1377-1
6-5/16” (2 TPI) Max OD - 6.3075”	I1382-1

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