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Help CenterHigh Quality Api Oilfield Kelly Cock Valve 3 1/2 in
Related Products
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HOT Sale High Quality Api Kelly Valve/kelly Cock/drill Pipe Safety Valve 3 1/2 inUS$ 315 - 786MOQ: 1 Unit -
HOT Sale High Quality Api Kelly Valve/ Kelly Cock/ Kelly Cock Valve 3 1/2 inUS$ 315 - 786MOQ: 1 Unit
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Api Forged Oil Drilling Stabilizer Forging High Quality 3 1/2 inUS$ 315 - 786MOQ: 1 Unit
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High Quality Upper Kelly Valve/lower Kelly Valve 3 inUS$ 315 - 786MOQ: 1 Unit
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High Quality Hole Openerkelly Valve 3 inUS$ 315 - 786MOQ: 1 Unit
1. High Strength
Max working pressure: 15000psi (this type is not in the list below, need reservation)
2. API Standard
Designed and manufactured in accordance with the petroleum and natural gas industry standard of People’s Republic of China the upper and lower kelly cock of the rotary equipment on drilling industry (SY/T 5525-2009) and API7-1 standard.
3. Excellent Cost Performance
As an original manufacturer of Kelly Valve, we are sure that we can supply the tool you need in most reasonable price.
Major technical parameters and dimensions:
Spec. of kelly stem mm (in.) |
Spec. and dimension of upper rotary box connection and lower rotary PIN connection |
Min. bore diameter mm (in.) |
Fillet diameter DF mm (in.) ±0.4(1±1/64) |
63.5 (2 1/2) |
NC26 (2 3/8 in. IF) |
31.8 (1 1/4 ) |
83 (3 17/64 ) |
76.2 (3) |
NC31 (2 7/8 in. IF) |
44.4 (1 3/4 ) |
100.4 (3 61/64) |
88.9 (3 1/2) |
NC38 (3 1/2 in. IF) |
57.2 (2 1/4 ) |
116.3 (4 37/64) |
108 (4 1/4) |
NC46 (4 in. IF) |
71.4 (2 13/16 ) |
145.30 (5 23/32) |
108 (4 1/4) |
NC50 (4 1/2 in. IF) |
71.4 (2 13/16 ) |
154 (6 1/16) |
133.4 (5 1/4) |
5 1/2 in. FH |
82.6 (3 1/4 ) |
170.7 (6 23/32) |
133.4 (5 1/4) |
NC56 |
82.6 (3 1/4 ) |
171 (6 47/64) |
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