Short-Rod Roller Centralizer for Sucker Rod

• After-sales Service: Yes
• Warranty: 1 Year
• Manufacturing Process: Forging
• Surface Treatment: Galvanized
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 5/8′′-1′′
• Transport Package: Wooden Box
• Specification: 5/8′′-1′′
• Trademark: Zhongshi, China
• Origin: Henan, China
• Production Capacity: 60, 000pieces/Year

Product Description

sucker rod

 

 

1. Roller Centralizer should be installed: 

 1) On the first two or three rods above the bottom hole pump.

 2) Intermittently throughout the rod string where wear is indicated on rods or tubing.

 3) Where known hole deviation occurs.

 4) On the first two or three rods below the stuffing box.

 

2. Tech Parameter

 

Specification	DIMENSIONS(INCH)
	Diameter	Length	Length of the groove
5/8''ROD/2-3/8''TUBING	1.50	27	1.80
3/4''ROD/2-3/8''TUBING	1.50	27	1.80
5/8''ROD/2-7/8''TUBING	1.50	27	2.25
3/4''ROD/2-7/8''TUBING	1.50	27	2.28
7/8''ROD/2-7/8''TUBING	1.625	27	2.28
1''ROD/2-7/8''TUBING	2.0	29	2.28
3/4''ROD/3-1/2''TUBING	1.50	31	2.75
7/8''ROD/3-12''TUBING	1.625	31	2.75
1''ROD/3-1/2''TUBING	2.0	31	2.75

 

3. Temperature Caution

Standard models are for applications in wellbore temperature up to 175°F. (fitted with glass-fiber reinforced nylon 6 wheels), For service in higher temperature, Special metal wheels are used.

 

 4. Materials  

 Guide/Coupling Body

Standard guide/coupling bodies are machined from 35CrMo.

 Special Material

Other metals such as steel are available on Special 'order to meet some

specifications for extra strength and/or corrosion resistance,

 

Wheel and Roll Pins

Wheels are set on stainless Steel journals and roll pine, Standard wheels, for applications up to 175°F are made of glass-fiber reinforced nylon 6

 

5. Parts of roller centralizer for sucker rod

NO	PART NO	NAME	QTY	MATERIAL
1	RG-01	Wheel	4	Glass-fiber Reinforced Nylon 6
2	RG-02	Roll pin	4	Stainless steel
3	RG-03	Coupling body	1	35CrMo

Wheeled rod guides centralize the rod string and reduce friction during stroking, and also reduce wear on sucker rods and tubing.