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Taixing Petroleum Machinery Co., Ltd.>>  Company News
 
 
  Casing Tong main technical parameters
 

1, Q13 5/8 ~ 25 1/2 Casing Tong physical picture
Casing Tong
2, product performance standards: API 7K and SY / T5035.
3. The use of environmental conditions Tongs
a) allows the use at a temperature of -18 ℃ ~ 70 ℃.
b) meet the harsh conditions of oil field operations.
4, Tongs the type: Multiple Latch lug jaw.
5, material requirements: each Tongs head of high-quality high-strength steel, pin made of high quality high-strength alloy structural steel.
6, Tongs main technical parameters:
Tongs suitable diameter in the range of 13 3 / 8in ~ 25 1 / 2in, maximum torque of 35kN · m, external dimensions: 2200mm × 700mm × 1000mm, single piece weighs 500kg.
Dental board length tolerances 150mm, surface hardness HRC58 ~ HRC62, core hardness HRC33 ~ HRC44, dental plates H9 / h9.
7, Tongs main quality control requirements:
1) the chemical composition of each batch of material compliance with the relevant standards.
2) The main carrier 100% ultrasonic testing, high stress level Ⅱ district meet the requirements of GB / T7233's.
3) mechanical performance of the primary carrier material is not less than: Rm≥640 PMa, RP0.2≥540 PMa, Z≥15%, A≥25%, AKV≥42J (-20 ℃).
4) 100% functional test and load test 1.5 times the witness.
5) All parts for magnetic particle testing, high stress area Ⅰ meet grade requirements GB / T9444, the remaining parts to meet the grade Ⅱ requirements GB / T9444's.
6) The main products from raw materials to the carrier using the site dating back the whole process.
8, Tongs structure diagram and parts list below:
Casing Tong structure diagram
Casing Tong
Casing Tong parts list

No. Name Quantity No. Name Quantity No. Name Quantity
1 Tongs head 1 12 Cotter(4) As required 23 Short jaw 1
2 Pin(2) 1 13 Oil Cup As required 24 plug As required
3 Pin(3) 1 14 Long jaw 1 25 Thin nuts 2
4 Cotter(1) 1 15 tong dies 2 26 Square head screw 1
5 Cotter(2) 1 16 Hinge jaw(8) 1 27 Boom 1
6 Lever 1 17 Hinge jaw(9) 2 28 Thick nuts 1
7 Pin(1) 1 18 Latch jaw 1 29 Washer 1
8 Cotter(3) 6 19 Latch Spring 2 30 Balancing Head 1
9 Axle pin 3 20 Latch 1 31 Rings 1
10 Sliding sleeve 1 21 Latch lug jaw 1 32 Screw balance 1
11 Shaft nut 3 22 Hinge jaw(7) 2 33 Screw pin 1
9, Tongs use, maintenance, repair detailed instructions.
10, appearance requirements: Non-machined surfaces coated with anti-rust primer first, then coated finish; machined surface coated anti-rust oil.
11, Package: wooden packaging.
12, shelf life: Tongs shelf life of one year.
 
 
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