Stainless Steel Pressure Regulator
We supplies stainless steel pressure regulators, including pressure-regulating valves, tank-mount pressure-regulating valves, and more.
Gas Changeover System
Jewellok Is Specialty Gas Automatic Changeover Manifold Manufacturer And Supplier In China
Regulators, Valves & Fittings
Industry leading family of high pressure products from 5,000 to150.000 psi
Jewellok Valve Services
Jewellok manufactures custom valves and fittings to meet all your requirements. With immediate delivery.
Pressure Regulator Information
A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure.
Stainless Steel Tube Fittings
Jewellok’s tube fittings have been carefully manufactured to withstand the persistent demands for high-performance tube fittings.
Gas Changeover Manifold

Jewellok Is Specialty Gas Automatic Changeover Manifold Manufacturer And Supplier In China,Manufacturing Semi Automatic And Automatic Stainless Steel High Purity Oxygen Nitrogen Helium Argon Gas Changeover Manifold, Automatic Gas Switchover System, Automatic Non-Electric Gas Cylinder Changeover Systems, Specialty Gas Fully Automatic Changeover Manifolds And So On.. More…

Specialty Gas Pressure Regulators

Jewellok’s Specialty Gas Pressure Regulators, Gas control solutions, Cylinder Pressure Regulators, Line Regulators, Pressure Control Panels. More…

Ultra High Purity Two Stage Dual Stage Pressure Reducing Regulator Semiconductor Grade Regulators
Ultra High Purity Regulators
Pressure Gauges Series

Double Stage Pressure Regulators

Single Stage Pressure Regulators

Pressure Gauges JG Series

Pressure Gauges JR Series

Jewellok’s Specialty Gas Cabinet Products

Tht best Specialty Gas Cabinet for semiconductors, integrated circuits, flat panel displays, optoelectronics, new materials, new energy, optical fibers, fine chemicals, various laboratories, research institutes, universities, standard testing and other high-tech fields.  More…

Ultra High Purity Diaphragm Valves

are precision-engineered components designed for critical applications in semiconductor manufacturing and high-purity industries.  More…

China high purity gas equipment manufacturers

Reliable Control Valves And Self-Operated Pressure RegulatorsManufacturer

Innovative

Our control valves are designed for fast response times and guaranteed flow rates to help you optimize operations and reduce costs for maximum return on investment.

Ultra-Reliable

Jewellok's control valves are also designed for extreme applications. They are built to handle corrosive media, high temperatures, pressures and resistance to wear and corrosion.

Cost-Effective

Help you customize the control valve of your own brand, in case maximum protection of your local market and benefit. No minimum order quantity requirement.

Jewellok’s Specialty Gas Pressure Regulators

Shenzhen Jewellok Technology Co., Ltd. is mainly engaged in the supply and service of valves, valve groups, busbars and special gas cabinets in special gas systems such as high-purity and ultra-high-purity special gas supply systems, laboratory physical and chemical analysis gas supply systems, large-scale industrial centralized gas supply systems, chemical liquid supply systems, and medical gas supply systems. It mainly sells 316L stainless steel high-purity pressure regulating valves, high-purity pressure reducing valves, high-purity diaphragm valves, special gas diaphragm valves, special gas pressure reducing valves, BA-level special gas pressure reducing valves, EP-level special gas pressure reducing valves, EP-level pressure regulating valves, high-pressure pneumatic diaphragm valves, low-pressure pneumatic diaphragm valves, high-pressure manual diaphragm valves, etc. 

Jewellok supplies Membrane valves, low-pressure manual diaphragm valves, high-purity special gas ball valves, needle valves, check valves, pressure stabilizing valves, guide valves, diverter valves, overflow and pressure relief valves, bellows valves, flame arresters, special gas filters, high-purity special gas valve discs, high-purity special gas busbars, special gas valve groups, secondary gas distribution pipelines, high-purity gas pipeline valves, special gas proportioners, gas mixers, special gas purifiers, special gas distribution cabinets, valve distribution boxes, GC special gas cabinets, VMB special gas diverter cabinets, VDB special gas cabinets, VDP special gas cabinets, scrubber tail gas treatment equipment, BSGS special gas cabinets, etc.

In addition, we also provide a variety of specialty gas spare parts, including prefabricated valves for semiconductor equipment, ultra-clean welded joints, ultra-high purity pressure gauges, VCJ joints, 316L stainless steel micro-welded joints, 316L stainless steel micro-welded tees, 316L stainless steel micro-welded elbows, vacuum connection face seal joints, VCJ five-piece sets, VCJ three-piece sets, VCJ sealing gaskets, VCJ long welded pipes, VCJ short welded pipes, VCJ female nuts, VCJ male nuts, etc.

Jewellok’s fluid and gas control products

Jewellok supplies Gas Changeover System, Ultra High Purity Gas Regulators, Ultra High Purity Diaphragm Valves, Specialty Gas Pressure Regulators, Specialty Gas Cabinet, High Purity Gas Tube Fittings.

What is a pressure regulator

Pressure regulators are unsung heroes in countless systems, quietly ensuring that gases and liquids flow at precisely the right pressure for optimal performance and safety. From the oxygen delivered to a patient in a hospital to the natural gas powering a home’s heating system, pressure regulators maintain stability in dynamic environments. 

Pressure Regulator Design

Pressure regulators are critical components in fluid systems, ensuring that gases or liquids are delivered at a consistent, controlled pressure regardless of fluctuations in the supply pressure or flow demand. These devices are ubiquitous in industries ranging from oil and gas to medical equipment, HVAC systems, and even consumer appliances. Designing an effective pressure regulator requires a deep understanding of fluid dynamics, material science, and application-specific requirements.

Pressure Regulator OEM & ODM

Pressure regulators are critical components in systems that manage the flow of gases and liquids, ensuring stable pressure for safe and efficient operation across industries like oil and gas, pharmaceuticals, automotive, and renewable energy. As global demand for tailored solutions grows, the roles of Original Equipment Manufacturing (OEM) and Original Design Manufacturing (ODM) have become pivotal in delivering customized pressure regulators. 

CAD & 3D Prototyping Service

Jewellok offer CAD & 3D prototyping service for custom control valves and pressure regulators, we design ultra high purity gas delivery system for semiconductor, medical and laboratory gas pipelines, manufacturing ultra high purity (uhp) gas and chemical delivery systems, ultra high purity regulators, ultra high purity diaphragm valves, high purity regulators for use with specialty, flammable, and industrial gas flows

How does a gas changeover manifold work

Changeover Manifolds are a safe and simple way of streamlining your gas system. Gas manifolds eliminate the need to manually handle the regulator every time you have to swap out gas cylinders, keeping you and your employees safe.

High Purity Gas Tube Fittings

Tube fitting is a mechanism used both to seal and to grip tubing. The mechanical advantage and geometry of this kind of fitting produces a leaktight assembly. More…

Blogs & News

Jewellok is focusing on the fluid equipments development.