Product Name: Tubing Pump
Product Description: The workover process of tubing pump is: firstly the barrel being connected to the tubing is directly run into the well at desired depth and then the plunger is run into the barrel with the sucker rod. The applicable tubing pump is larger in size than rod pump in the same tubing. Tubing pump has simple structure so the displacement is bigger and it is suitable for the shallower well with shallow depth and high production.
The THD type of tubing pump means that its standing valve is directly connected to the barrel and it cannot be pulled up separately with the barrel. The THC or THMtype of tubing pump means that its standing valve can be pulled up separately with the barrel. The seating assembly of THC pump is cup type and for THM is mechanical type. The THC and THM type of tubing pump are suitable for the frequently work-over wells.
The rod pump is connected to sucker rod after being assemblied on the surface then it is pulled down to the well bottom through the tubing. Thus it is convenient for the inspection and workover because they can be pulled up and down through the tubing and suitable for deeper well. The life span of tubing can be prolonged for decreasing the times of the thread of the tubing being turned on and off and the time of the workover. The rod pump can be classified into two types of mechanical seating and cup seating. Also it is divided into three types as RHA (stationary heavy well barrel top anchor rod pump), RHB (stationary heavy well barrel bottom anchor rod pump) and RHT (travelling heavy well barrel bottom anchor rod pump).
Product Model and Specification:

Model	mm(in) Nominal Dia.	m(ft)Plunger Length	Stroke m	m3/d Pump Constant	Tubing And Thread	In Sucker Rod
20-125TH	32(1.25)	1.2-1.8 (4-6)	0.6-7.3	1.14	2?NU/EU	¾
20-125RHAC/M	32(1.25)		0.6-7.3	1.14	2? NU/EU	¾
20-125RHBC/M	32(1.25)		0.6-7.3	1.14	2? NU/EU	¾
20-125RHTC/M	32(1.25)		0.6-7.3	1.14	2? NU/EU	¾
25-125TH	32(1.25)		0.6-7.3	1.14	2?NU/EU	¾
25-150RHAC/M	38(1.50)		0.6-7.3	1.64	2? NU/EU	¾
25-150RHBC/M	38(1.50)		0.6-7.3	1.64	2? NU/EU	¾
25-150RHTC/M	38(1.50)		0.6-7.3	1.64	2? NU/EU	¾
20-150TH	38(1.50)		0.6-7.3	1.64	2?NU/EU	¾
25-150TH	38(1.50)		0.6-7.3	1.64	2?NU/EU	¾
20-175TH	44(1.75)		0.6-7.3	2.24	2?NU/EU	¾
25-175RHAC/M	44(1.75)		0.6-7.3	2.24	2?	¾
25-175RHBC/M	44(1.75)		0.6-7.3	2.24	2? NU/EU	¾
25-175RHTC/M	44(1.75)		0.6-7.3	2.24	2? NU/EU	¾
25-175TH	44(1.75)		0.6-7.3	2.24	2?NU/EU	¾
25-225TH	57(2.25)		0.6-7.3	3.69	2?NU/EU	¾
30-275TH	70(2.75)		0.6-7.3	5.50	3½NU/EU	?
30-225RHAC/M	57(2.25)		0.6-7.3	3.69	3½ NU/EU	¾
30-225RHBC/M	57(2.25)		0.6-7.3	3.69	3½ NU/EU	¾
30-225RHTC/M	57(2.25)		0.6-7.3	3.69	3½ NU/EU	¾
35-325TH	83(3.25)		0.6-7.3	7.70	4NU/EU	?
40-375TH	95(3.75)		0.6-7.3	10.26	4½NU/EU	1