In LNG operations, valves can regularly encounter temperatures below -320 F (-196 C) and pressures above 750 pounds per square inch (psi). They are also subjected to periodic variations in temperatures known as "thermal cycling," which can result in hardware expansion as well as shrinkage and material stresses.
The bonnet of gate valves primarily functions as valve covers and support for other parts of the valve, such as the disc, stem, and actuators. Also, in the gate valve, the bonnet allows an opening for the stem. The gate valve bonnet is joined to the body using threads, bolts, or welding. Some valve bonnets are designed to be merged with the ...
JST EST valve stem packing has good sealing performance under working pressure and a certain temperature range, and can automatically improve the sealing performance with the increase of pressure, which is suitable for type FLS and FLS-R gate valves. This seal has passed the PR2 tests. They are built to meet the American …
The ESA valve stem seals a type of Polypak, it combines a rubber o-ring type and a conventional lip type seal to produce a unique sealing device. The O-ring exciter acts as an energizer to maintain seal contact under low pressure or vacuum applications. The inclined lip design of polypak is very suitable for cutting liquid films.
The RIV Brass Quick Opening Lever Knife Gate Valve is designed to enhance efficiency in the liquid waste industry. With its robust all-bronze construction and lever-action mechanism, this valve provides reliable performance and ease of operation, ensuring seamless handling of sewage and other liquid waste materials.
Customer Question: Customer used a competitor 's S seal for 10000PSi and PU temperature classes. During installation at the Minden store, using a competitor's elastomer seal, the customer noticed some movement in the valve seat . Application details: Material: HNBR90+316SS Groove: 125 Groove size: 7.181X6.696X0.375inch How is the JST …
JST manufactures well service plunger pump packings in a wide variety of materials to suit specific well conditions and operating parameters, they are available in a wide range of elastomeric materials and high performance resins, including NBR, HNBR, FKM, filled PTFE, fabric reinforced rubber. to suit specific well conditions, operating parameters, …
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.
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 & …
Bidirectional high-pressure ball valve seat seal. Bidirectional high-pressure ball valve seat seal is a type of seat sealing that can withstand bidirectional pressure, with good low-temperature performance and airtightness, and is widely used in 6D ball valves.
JST's Sealing Technology for Oil & Gas Wellhead Equipment. April 12. 2023; The completion wellhead device refers to the oil (gas) tree, tubing head, casing head, and related accessories, which are used for suspension, support, control, regulation, and other oil (gas) equipment.
Quick Opening Gate Valve with External Spring. Manually operated double disc gate valves designed for use where simple lever action opens or closes the valve.
Fluid end valve and seats. We have been manufacturing various types of fluid end valve and seats for both frac pumps and mud pumps, covering various models for the most dominant pumps in the market, applicable to mainstream pump types in China and other countries. All aftermarket valves and seats are interchangeable with original …
High-pressure Rotary Seals; Water Pump Seal; Oil & Gas Seal. API 6A Wellhead Equipment Seal; Fracturing Pump Seal; Downhole Seal; API 6D Ball Valve & LNG Seal-50℃~180℃-100℃~180℃-196℃~121℃ FFKM O Rings and Seals; Our Company; CUSTOMIZATION; News & Media. News; Media; Blog; Contact
Gate valve equipment seals. October 14. 2022; JST seals produce high-quality throttle valve and gate valve equipment seals. Choke packing throttle valve are control valves for production wells, which are used to control the flow of well fluid under production.
We focus on Gate valve stem packing seal manufacture for many years,We are professional Gate valve stem packing seal supplier,Give you quality Gate valve stem packing seal products,inquiry today! English en. fr français;
The PTFE gate valve seat seal for type FC, FLS and FLS-R gate valves is made of durable teflon, it is compatible with the Cameron gate valve type FLS, and used in rotating equipment to minimize o-ring movement. JST seals have a wide range of valve seals for all types of gate valves, including stem packing seals and components, …
This class 150 Milwaukee P901 series bronze gate valve has a quick-opening stem with a lever handle and National Pipe Taper (NPT) threads on both ends. The bronze construction of the gate valve and its brass double discs provide higher strength and resistance to corrosion than steel.
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 & …
Formula polyurethane elastomer products - valve insert, which quickly entered this market. The valve assembly is composed of valve disc, valve cover, valve seat, guide claw, nut, etc. the valve is sealed and buffered by the valve insert. The JST valve insert seal is mainly used for sealing valve seat of fracturing pump. It is made of modified ...
High pressure water pump plunger seal. The water pump seal D1 is composed of one or couple of fabric reinforced Chevron V rings (DM), back up ring (DD) and header ring (DS) for plunger sealing.The back up ring and the header ring may be fabricated from metal. Due to the advantages of the shape, the V rings can produce uniform pre tightening force, so …
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 & …
We focus on gate valve stem packing seal manufacture for many years,We are professional gate valve stem packing seal supplier,Give you quality gate valve stem packing seal products,inquiry today! English en. fr français;
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.
Quick opening valves are characterized by a swift linear movement of the disc or plug from the closed to the open position, a feature enabled by the integration of well …
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.
Butterfly valve refers to a valve whose closing part is a disc, which rotates around the valve shaft to achieve opening and closing. Types: - Double & triple eccentric, high performance HP butterfly valve, - Flanged, lug, wafer. Standards: EN, ANSI, DIN. Sizes: DN 40 - DN 600, 1 1/2" - 24" Pressure: PN 6 - PN 64, Class 150 – 600
Shop our variety of Quick opening Gate Valve or view full catalog pages.
Morrison Brothers quick opening gate valves, 1.25 to 3 inch, for general use, with external spring. Morrison Bros. Co. has over 1200 different products, forming the most complete line of AST equipment in the world. ... Shaft seal on 1 1/4"Prime;: Nitrile composite;
M.A. Stewart & Sons Ltd. provides a selection of Gate valves designed to industry standards such as API-600, API 602, API-603, B16.34 in full bore, thru conduit, and can be operated manually, gear operated or automated. Gate valves may be ordered with various materials including, Hastelloy, Alloy 20, stainless steel, all grades of carbon steel, forged …
