Products Description
Valve stem seals for API 6A gate valves refer to the components used to ensure the sealing performance of the gate valve during operation. These seals are usually located on the stem of the gate valve to prevent medium leakage and maintain a good sealing effect under high or low-pressure conditions.

Oil and Gas Sealing Solutions
API 6A gate valves are essential components in the oil and gas industry, designed to operate under extreme conditions.
Functions and Features Of Valve Stem Seals for API 6A Gate Valve
- Leakage prevention: Its main function is to form a tight seal around the valve stem to prevent any fluid leakage.
- High friction surface: Valve stem seals for API 6A gate valves are designed with a large surface area to optimize friction characteristics for a tight seal, while also requiring a high torque to operate the valve.
Materials
Valve stem seals are typically made of materials that can withstand extreme temperatures, pressures, and corrosive substances. Common materials include rubber compounds, PTFE (polytetrafluoroethylene), and various elastomers.
Design Standards
API 6A Compliance: API 6A specifies design and operating requirements for valves used in oil and gas production. Stem seals that meet these standards ensure reliability and performance.
Applications
Industries: These seals are commonly used in oil and gas, industrial, and other systems that use gate valves in high-pressure and temperature systems.
Material Technical Data Sheet
| PTFE | Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore D | ASTM D2240 | (Shore D - 15 sec) | 59 | |
| Specific gravity | g/cm3 | ASTM D792 | 2.17 | ||
| Tensile Strength | MPa | ASTM D638 | Microtensile specimen of ASTM D1708, speed of testing 0.8mm/s |
29 | |
| Ultimate elongation | % | ASTM D638 | Microtensile specimen of ASTM D1708, speed of testing 0.8mm/s |
300 | |
| Compressive strength 1% deformation |
MPa | ASTM D695 | 4.55 | ||
| Modulus of Elasticity | MPa | ASTM D638 | 281 | ||
| Coefficient of thermal expansion from 25 to 100°C |
°C-1 | ASTM E 831 | 16x10-5 |
about Us
Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.

01
R&D Advantages
02
Manufacturing Advantages
03
Product Advantages


Certification
Quality Management and Environmental Management Certification



Contact US
we are here for you
amy@lindepolymer.com
mina@lindepolymer.com
+8613159203761
Hot Tags: valve stem seals for api 6a gate valve, China valve stem seals for api 6a gate valve manufacturers, suppliers, factory, T-Seals, Rubber Seals, Automotive Rubber Washers, Oil Seals, Aviation AEM Rubber Seals, Aerospace HNBR Rubber Seals








