The rod seal is one of the most critical seals on any type of fluid power equipment. The rod seal prevents the pressurized hydraulic fluid within the cylinder from leaking. Leakage can lead to reduced equipment performance, system failure, and environmental/ safety issues. Rod Seal,L-Shaped Rod Seal,Hydraulic Rod Seals,Piston Rod Seal LIAONING HUARI NEW MATERIALS CO., LTD. , https://www.ptfebush.com
2)The sealing face of gate and seat is overlaid-welding with carbide alloy for erosion and corrosion resistance;
3)The imported lip-type composite gate and seat, stem seal provide reliable sealing, safety and minimize operational torque;
4)Back seal structure of the stem allows the replacement of the packing under the working pressure;
5)Valve structure include two kinds:rising stem ad non-rising stem, with visible sign for opening and closing the valve;
6)Gate structure:Integral or split;
7)The seat is classified into floating and fixed structure;
8)Driving model: Manual, Hydraulic and gear drive;
9)Connection type: flange, thread, and coupling.
10) Product technical specifications: PSL1~PSL4 Â Â PR1~PR2
11)Technical parameters:Â 
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1) Our valves are designed as per API6A,6D, NACE 175;
2)The sealing face of gate and seat is overlaid-welding with carbide alloy for erosion and corrosion resistance;
3)The imported lip-type composite gate and seat, stem seal provide reliable sealing, safety and minimize operational torque;
4)Back seal structure of the stem allows the replacement of the packing under the working pressure;
5)Valve structure include two kinds:rising stem ad non-rising stem, with visible sign for opening and closing the valve;
6)Gate structure:Integral or split;
7)The seat is classified into floating and fixed structure;
8)Driving model: Manual, Hydraulic and gear drive;
9)Connection type: flange, thread, and coupling.
10) Product technical specifications: PSL1~PSL4 Â Â PR1~PR2
11)Technical parameters:Â Â
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Rod seals for hydraulic and pneumatic cylinders and actuators seal the applied system pressure against the atmosphere side. Their purpose is to prevent external leakage and thus avoid contamination of the ambient environment. They are available as single-acting and double acting seals. High-pressure applications usually require a tandem rod sealing system including a buffer seal. Rod seals typically interact with wiper elements in the cylinder sealing system.
API 6A Hydraulic Gate Valve Used in Oil Field
Model NO.: HCR
Performance Requirement: Pr1,Pr2
Material Class: AA~FF
Norminal Bore: 2 1/16~7 1/16"
Working Pressure: 2000~15000psi
Transport Package: Wooden Case
Origin: P. R. China
HS Code: 8481901000
Model NO.: HCR
Performance Requirement: Pr1,Pr2
Material Class: AA~FF
Norminal Bore: 2 1/16~7 1/16"
Working Pressure: 2000~15000psi
Transport Package: Wooden Case
Origin: P. R. China
HS Code: 8481901000
1) Our valves are designed as per API6A,6D, NACE 175;