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Double Wall Drill Pipe 127" Od 6m longth for water wells

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Double Wall Drill Pipe 127" Od 6m longth for water wells

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Brand Name : Long way

Place of Origin : Hebei China

Price : Negotiable

Payment Terms : T/T

Supply Ability : 5000 sets per month

Delivery Time : 20-30 working days, which will be adjusted according to different products and inventory

Packaging Details : With iron

Model Number : 5"

Certification : ISO9001

MOQ : 20pcs

Name : Double Wall Drill Pipe

Type : Drill Pipe

Color : request

Advantage : High quality and factory price

Model : DB127/76

O.D. of the other tube (mm) : 127

Other diameter of joint (mm) : 76

Outer dianeter of joint (mm) : 127

Type of threads : 51/2FH

Effective length (m) : 9.5

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Professional manufacturing of reverse circulation drill pipe/double wall drill pipe


Product Description

Double Wall Drill Pipe 127" Od 6m longth for water wells

Double-arm drill pipe is also called double-layer drill pipe. It is composed of inner and outer drill pipes (called inner pipe and outer pipe). The inner and outer pipes form an annulus, which is a channel for pumping the flushing medium to the bottom of the hole during hydraulic rock drilling and center sampling drilling. The center hole of the inner tube is used to discharge the flushing medium and is integrally fixed, and the threaded button of the outer tube is connected between each double-wall drill pipe to ensure the transmission of torque and pressure. However, plug connections are often used between the inner pipes, which generally only serve as a circulating flushing medium. Therefore, a sealing device should be installed at the insertion point.

Features of Drill Rod

1. Made of high-quality alloy steel.
2. All our drill pipes are heat treated.
3. Reasonable structure, reliable performance and high use efficiency.
4. Good concentricity, high precision and long service life.

Double wall drill pipe


Type O.D.of the outer tube (mm) I.D.of the inner tube (mm) Outer dianeter of joint (mm) Type of threads Effective length (m)
WB114/65 114 65 156 41F 6
WB127/76 127 76 162/168 41/21F 6 , 9.5
DB127/76 127 76 184 51/2FH 9.5
WB140/88 139.7 88 184 51/2FH 6,9.5
WB219/130 219 130 240 Factory standard 6,9.5
WK76/32 76 32 78 3" Remet 3
WK102/41 102 41 103 4" Remet 3 , 6
WK114/52 114.3 52 116 4 1/2" Remet 3 , 6
WK114/38 114.3 38 114.3 4 1/2" Metzke 3 , 6
WK114/50 114.3 50 114.3 4 1/2" Remet 3 , 6
WP50/20 50 20 50 1 , 1.5
WP73/35 73 35 73 1 , 1.5
WP89/40 89 40 89 1 , 1.5

Application

Suitable for horizontal drilling of drill pipe in various complex formations.

It is suitable for drilling with different sizes and weights.

Suitable for ground drilling machine jacking force, drag back force requirements to choose different specifications of drill pipe drilling.

Double Wall Drill Pipe 127" Od 6m longth for water wells

Our Services:

1. Drill pipe strictly according to API ISO9001 standard.

2. If you found to quality problems within one month of the package returned.

3. All strictly according to the contract and fulfill the obligations and responsibilities.

4. 24 hours online customer service,feel free contact us.

Drill pipe usage notes

1. New drill pipe should be pasted thread oil before connection

1. Apply thread oil before connecting new drill pipe
2. The drill pipe shall be inspected regularly
3. Customized according to special requirements of customers


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