We are china manufacturer of high quality grade 8.8, 10.9, 12.9 Threaded Rods and threaded bars in iso 898 standard. Our advantages and more services of threaded steel rods includes:
1) Wide range of diameters from 1/2" - 4"
2) Customized Length from 100mm to 12000mm
3) Good threads at 60 degree
4) Good straightness: 1mm/m max
5) Even hardness on whole bars
5) Proper mechanical properties
7) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
8) Fast delivery time
grade 8.8 threaded rod,grade 8.8 threaded bar,grade 10.9 threaded rod,grade 10.9 threaded bar,grade 12.9 threaded rod SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdhighstrengthsteelbolts.com
The expanding gate valves are made according to API 6A and consists of one gate body and related gate segment. Â Our Expanding gate valves are available in sizes 2-1/16" through 5-1/8", working pressure of 2000 psi through 5000 psi.
Features:
1)The upper/lower roller thrust bearing minimizes operation torque;
2)Seats can be lubricated from grease injection fitting to reduce abrasion and promote long life;
3)Non-rising stem designs minimize operation space.
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WKM Expanding gate valves
The expanding gate valves are made according to API 6A and consists of one gate body and related gate segment. Â Our Expanding gate valves are available in sizes 2-1/16" through 5-1/8", working pressure of 2000 psi through 5000 psi.
Features:
1)The upper/lower roller thrust bearing minimizes operation torque;
2)Seats can be lubricated from grease injection fitting to reduce abrasion and promote long life;
3)Non-rising stem designs minimize operation space.
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API 6A Expanding Gate Valve for Oilfield
Model NO.: EXP. Gate valve
Performance Requirement: Pr1
Temp.Class: P~U
Material Class: AA~FF
Transport Package: Wooden Case
Origin: Jiangsu China
HS Code: 8481901000
Model NO.: EXP. Gate valve
Performance Requirement: Pr1
Temp.Class: P~U
Material Class: AA~FF
Transport Package: Wooden Case
Origin: Jiangsu China
HS Code: 8481901000
WKM Expanding gate valves