Cemented Carbide Choke Valve Stem

Basic Info

Model NO.	Seeder_01644
Service	Customize ODM OEM
Key Word	Choke Stem and Seat
Industry	Oil & Gas Industry
Transport Package	Standard Package / Customize Packing
Trademark	Aseeder
Origin	China
Production Capacity	3000 PCS Per Month

Product Description

We can customized choke parts based on customer's drawing and material requirement , below is our choke seat and stem parts with stock material support fast delivery, if you want a customized choke parts welcome to contact us for details.

Choke bean is often used in the positive choke valve for controlling the flow, Aseeder choke bean is same as Cameron type H2 big john choke bean, body Material: 410SS, lined with Tungsten Carbide (C10 or C25) , to protect them from corrosive and abrasive wear.

On one side of the choke manifold, calibrated choke beans are used to control flow rate through the fixed choke box. Each bean is a specific diameter, usually in graduations of 1/64-132 inch, Depending on the type of equipment used, the size of the choke bean can be as large as 3 inches.

We can do the QPQ treatment on the body of choke bean, to enhance the surface hardness

Cemented Carbide Choke Valve Stem

1. Product Name & Description

Name	Description	Material	Remark
3/4"Seat	CHOKE SEAT, 3/4" ORIFICE 10K/15K	410+tungsten carbide ZY06-G	support fast delivery
1"Seat	CHOKE SEAT, 1" ORIFICE 10K/15K	410+tungsten carbide ZY06-G	support fast delivery
3/4"-1"Stem	CHOKE STEM (TSI-BSS),3/4"-1" MAX 15M LONG	304+tungsten carbide ZY10X	support fast delivery
Others	Support customized design	per customer's requirement	optional

2. Choke seat and choke stem dimentions
1) 3/4" choke seat print & dimentions

Cemented Carbide Choke Valve Stem

2) 1" choke seat print & dimensions

Cemented Carbide Choke Valve Stem

3) 3/4"-1"Stem Print & Dimensions

Cemented Carbide Choke Valve Stem

3. Chemical composition of 410 steel

Chemical Composition(%)	C	Si	Mn	P	S	Cr
Acceptable range Min	0.08	/	/	/	/	11.5
Acceptable range Max	0.15	1	1	0.04	0.03	13.5
Measured	0.12	0.47	0.57	0.012	0.007	12.5

4. Mechanical properties of 410 steel

Test Item		Unit	Required	Measured	Conclusion
Tensile Test	Tensile Strength	MPa	≥690	714	OK
	Yield Strength	MPa	≥550	576	OK
	Elongation	%	≥15	25	OK
	Reduction of Area	%	≥45	69	OK
Hardness	HB	HB	207-235	228	OK

5. Physical properties of carbide ( SEED grade ZY06-G )

Test Item	Unit	Required	Measured	Conclusion
TRS	N/mm²	≥2800	3106	OK
Cobalt	%	5.5-6.5	6.0	OK
Density	g/cm3	14.65 to 15.05	14.95	OK
Hardness	HRA	91.3-92.3	91.9	OK

6.Chemical composition of 304 steel

Chemical Composition(%)		C	Si	Mn	P	S	Cr
Acceptable range	Min	/	/	/	/	/	18
Acceptable range	Max	0.08	1	2	0.045	0.03	20
Measured		0.052	0.4	1.1	0.034	0.001	18.16

7.Mechanical properties of 304 steel

Test Item		Unit	Required	Measured	Conclusion
Tensile Test	Tensile Strength	MPa	≥515	565	OK
	Yield Strength	MPa	≥205	250	OK
	Elongation	%	≥40	56	OK
	Reduction of Area	%	≥50	74	OK
Hardness	HB	HB	≤235	205	OK

8.Physical properties of ZY10X

Test Item	Unit	Required	Measured	Conclusion
TRS	N/mm²	≥3150	3701	OK
Cobalt	%	≥10.0	10.0	OK
Density	g/cm3	14.25 -14.65	14.41	OK
Hardness	HRA	≥90.2	91.8	OK

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