As your single source for gases and equipment, we also offer many of the accessories you need for your gas supply. A wide variety of valves from diaphragm, packless, needle, and check valves to VCR, pip fittings and cylinder connections, we have what you need to make your gas work for you.
Our 533 Series diaphragm valves can be used as the primary on and off control in high purity or corrosive gas systems. With its spring-less design and low-wetted surface area, these valves minimize particle generations and entrapment. Their unique design allows for low torque operation with gas flow in either direction. As a standard we offer a 3/4 turn, while on other systems a 1/4 turn directional valve is standard.
We also offer the 500 Series miniature needle valves that are machined from barstock and are offered in brass, nickel-plated brass, 316 stainless steel or Monel®. They're designed for fine flow control in a variety of applications in the chemical and petroleum processing industries, laboratories and hospitals. With ground and polished stem and Teflon® packing, these needle valves are suitable for controlling the flow of liquids or gases from vacuum to 3000 psig.
Check valves ensure that gases or liquids flow in one direction only. When used on the outlet line of pressure regulators, they prevent back flow or fluids into the regulator. When used in cylinder pigtails, they prevent gas flow from one cylinder into another on the same manifold. They also stop atmospheric air from entering the pigtail and manifold when a cylinder is removed. These check valves are bubble-tight against any back-pressure.
Relief valves are commonly used downstream of pressure regulators to protect the regulator, pressure gauge and downstream system from over-pressurization caused by a regulator failure. When properly installed, they may be used with hazardous gases because they have 1/4" NPT outlets that permit vented gas to be piped to a safe disposal system.
Cylinder connections are used for connecting various items of a gas handling apparatus, such as pressure regulators or pigtails, directly to cylinders. The actual connection depends on the gas in the cylinder and is designated by a three-digit Compressed Gas Association (CGA) Number. Cylinder connections consist of a CGA nut and CGA nipple and in some cases a washer for sealing purposes. We offer cylinder connections in a wide variety of configurations and materials to fit your applications.
Our 316 SS high-pressure flexible metal hoses are designed for strong, safe and flexible operation in demanding specialty gas environments. With zero permeation characteristics, these hoses do not allow gas or atmosphere to pass through their walls in either pressure or vacuum applications. These hoses are ideal for flammable, toxic, high purity and small molecule gases.For oxygen services where particle impingement failure is a concern, Monel® high-pressure flexible metal hoses with Stainless Steel outer braiding is ideal. The SS braid is more economical and allows for higher working pressures than a Monel® braid.