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Guangzhou JST Seals Technology Co., Ltd. specializes in the design, development, and production of high-performance seals. Catering to a wide range of industries such as construction and oil, the company offers a diverse …
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Gate valve seal assembly for fracking valve. September 22. 2022; In the oil and gas industry there is a practice called fracking, to speed up the migration of gas and petroleum fluid from source rocks or reservoir rocks.
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Why S seal is a preferred design in the oil and gas equipment? December 09. 2021; Recently, JST 13 inch External S seal has successfully passed the PR2 test at P-U (-20 deg F - 250 degrees F), 10000PSI nitrogen high pressure as per API 6A 21st Edition Annex F Section F.2.14: Design Verification for PR2F Group 5 Mandrel-type hangers, Table F.17 Sections: Pressure …
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I Test Purpose To verify the pressure cycling performance of the gate valve stem packing seals at 15000PSI, -50~350℉. II Product and fixture 1. Product structure The seals include 1 of A ring, 1 of spring, 1 of U ring, 1 of B ring, and 1 of C ring, see fig. 1: 2.
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JST Seals carries quality tested and award-patented products at affordable prices. ... Tags : gate valve packing seal API6A gate valve stem seals valve stem seal size chart Valve stem packing assembly gate valve seal stack design. Read More. PTFE Spring energized valve stem packing.
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(d) an adapter ring having a generally T-shaped cross-sectional configuration and extending into a supportive relationship with the lip seal ring to prevent dislocation of said seal ring when the packing assembly is in functional position between a valve stem and a surrounding valve element, and said valve stem is cycled in a translatory manner.
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API 6A Gate Valve Stem Packing Seals Test. July 09. 2021; I Test Purpose To verify the pressure cycling performance of the gate valve stem packing seals at 15000PSI, -50~350℉. II Product and fixture 1. Product structure The seals include 1 of A ring, 1 of spring, 1 of U ring, 1 of B ring, and 1 of C ring, see fig. 1: 2.
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Hydraulic Seal. Rod Seal; Piston and Rod Seal; Piston Seal; Wear Strip; Wear Ring; Wiper Seal; O Ring; V Packing; Back-up Ring; Spring Energized Seal; High-pressure Rotary Seals; Water Pump Seal; Air compressor cup seals; Oil & Gas Seal. API 6A Wellhead Equipment Seal; Well Service Equipment Seal; Downhole Seal; API 6D Ball Valve & LNG Seal-50 ...
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To meet the characteristics and requirements of API 6A gate valve, JST adopts modified PTFE, PEEK or other materials, working with Elgiloy, lnconel, or Stainless Steel springs to develop a wide range of seals with high and low temperature resistance, high pressure resistance, good chemical corrosion resistance to H 2 S, which passed the API 6A Annex F PR2 tests.
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Gate valve seal assembly for fracking valve. September 22. 2022; In the oil and gas industry there is a practice called fracking, to speed up the migration of gas and petroleum fluid from source rocks or reservoir rocks.
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Hydraulic Seal. Rod Seal; Piston and Rod Seal; Piston Seal; Wear Strip; Wear Ring; Wiper Seal; O Ring; V Packing; Back-up Ring; Spring Energized Seal; High-pressure Rotary Seals; Water Pump Seal; Air compressor cup seals; Oil & Gas Seal. API 6A Wellhead Equipment Seal; Well Service Equipment Seal; Downhole Seal; API 6D Ball Valve & LNG Seal-50 ...
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As a professional sealing technology Manufacturer,JST Seals provides high quality Gate Valve Seals,learn more about Gate Valve Seals in sealing field. ... JST Seals has provided high-performance Polymer seal and Elastomer seal for the Oil & Gas industry for over 25 years. Available from standard sizes to customized sizes.
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Seals material and design must withstand pressures as high as 15K psi and temperatures LU (-46℃~121℃), PU (-21℃~121℃), or SX (-18℃~178℃). From material development, seals design, testing, through to production, JST make FS seal and S seal to perform in the toughest situations, delivering reliable high pressure sealing. They combine ...
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Hydraulic Seal. Rod Seal; Piston and Rod Seal; Piston Seal; Wear Strip; Wear Ring; Wiper Seal; O Ring; V Packing; Back-up Ring; Spring Energized Seal; High-pressure Rotary Seals; Water Pump Seal; Air compressor cup seals; Oil & Gas Seal. API 6A Wellhead Equipment Seal; Well Service Equipment Seal; Downhole Seal; API 6D Ball Valve & LNG Seal-50 ...
>Quick Opening Gate Valve
China Quick Opening Gate Valve wholesale - Select 2025 high quality Quick Opening Gate Valve products in best price from certified Chinese Parts Of Valve manufacturers, Control Valve N suppliers, wholesalers and factory on Made-in-China ... Manual Quick Opening and Closing Spherical Seal Gate Valve. US$ 560-1600 / Piece. 1 Piece (MOQ ...
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JST Seals has provided high-performance Polymer seal and Elastomer seal for the Oil & Gas industry for over 25 years. Available from standard sizes to customized sizes. …
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Quick Open Brass Gate . Sizes: ¼" – 4" Pressure: 200 PSI NSCWP; Features: Handwheel, Threaded Ends; Body: Brass; Disc: Brass; Seal: PTFE; LITERATURE. Quality - Service - Innovation. PRODUCTS YOU NEED. A TEAM YOU TRUST. ... Comprised of a group of quality valve brands from various sectors of the market, CNC Flow Control has an experienced ...
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Valve Stem Packing for FLS-R Gate Valves. The valve stem packing is an essential component of valves, which is covered around the valve stem. The purpose of valve packing is to prevent leakage. The tightness of the valve is one of the most important factors for the quality and performance of the valve.
>Company Overview
JST Seals is a leading manufacturer of high-performance seals for countless industries including construction, oil and gas, semiconductor, LNG, wind power, chemistry, coal mining, medical equipment and others. JST, delivering your …
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Manually operated double disc gate valves designed for use where simple lever action opens or closes the valve.
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Choosing the right seal for cryogenic valves is critical to ensure reliable performance in extremely low-temperature environments. Here's a detailed guide to help you make an informed decision: Key Factors to Consider: 1: Operating Temperature Range. Cryogenic valves typically operate at temperatures as low as -196°C (-320°F) for liquid nitrogen …
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The back-up ring is installed on the inner side of the hydraulic cylinder end cover, which is mainly used to support the piston rod; It can prevent the poor sealing effect and short service life caused by uneven pressure bearing caused by the non vertical force on the piston rod.
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Guangzhou JST Seals Technology Co., Ltd., Experts in Manufacturing and Exporting Hydraulic Seal, Gate Valve Seal and 295 more Products.
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