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XI'AN ZZ TOP OIL TOOLS CO.,LTD
XI'AN ZZ TOP OIL TOOLS CO.,LTD

China Varco type Roller kelly bushing manufacturer

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Varco type Roller kelly bushing 

Price: 1000.0 USD 
Payment Terms: T/T 
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Means of Transport: Land,Air
Packing: for sea shipping
Certification: API 7K
Production Capacity: 100sets/month
Delivery Date: 10~30days

Roller kelly bushing Varco type

This king of bushing is the necessary product of driling rig. It matches with the master bushing to drive the kelly. This product rotates the kelly through four rollers to reduce the friction thus extend its working life. This product has square drive and pin drive two forms. It can match with different type of kelly by changing the rollers. It is designed and manufactured according the API SPEC 7K Standard, and have the certificate of authority to use the official API monogram.

Type

Way of Drive

Model

Suitable for Kelly


Square


Hex.

Heavy

Square Drive

HDS

21/2-6

3-6


Pin.Drive

27-HDP

3-6

3-6

20-HDP

3-6

3-6

Medium

Square Drive

MDS

21/2-41/4

3-41/4

RTM4

21/2-51/4

3-41/4

Pin.Drive

20-MDP

21/2-41/4

3-41/4

17-MDP

21/2-41/4

3-41/4

Light-duty

Square Drive

RTS4

21/2-41/4

3-41/4



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Tel: 86-29-81779342
Fax: 86-29-81543379
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Company Info

XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]

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Business Type:Manufacturer, Distributor/Wholesaler, Service
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)

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