Valves

Ball and Plug Valves

Both ball and plug valves available at Southwest Process Control are manufactured by Hy-Lok and offer the lowest cost of any ball and plug valve in the industry today.

Needle Valves

Hy-Lok needle valves offer secure, leak-free connections and provide the lowest overall cost of any instrument needle valve used in the market today.

Rugged and compactly designed, Hy-Lok offers a wide range of sizes (1/8″ to 1″), and stem tips (v-stem, regulating, and soft seat). End connection options include male / female NPT, Hy-Lok tube fittings, and ISO threads from 1/8″ to 1″. Available in stainless steel, carbon steel, brass, and alloy 400.With pressure rating to 10,000 psi and temperatures up to 1,200°F, Hy-Lok has a needle valve solution to meet your needs.

Check and Relief Valves

Hy-Lok check and relief valves offer secure, leak-free connections and provide the lowest overall cost of any instrument check and relief valve used in the market today.

For more information, click here.

Rugged and compactly designed, Hy-Lok offers a wide range of sizes and cracking pressures. End connection options include male / female NPT, Hy-Lok tube fittings, metal gasket and O-ring face seals. Available in stainless steel, brass, and alloy 400.With pressure handling up to 6,000 psi and temperatures up to 600°F, Hy-Lok has a check and relief valve solution to meet your needs.

Block and Bleed Valves

Hy-Lok’s compact integral block & bleed valves provide a choice of end connections, body styles, and valve technology.

For more information, click here.

Rugged 316 stainless steel quarter turn handles allow low torque operation and resist rust in offshore environments. Unique enclosed seats offer great process compatibility restricting creep or distortion in service. Hy-Lok’s approach achieves high levels of seat integrity at both low and high pressures. Flexible configurability lends itself to a wide range of applications including block & bleed instrument isolation, pressure, level and flow measurement, instrument drain, chemical injection, and sampling. Available in stainless steel, carbon steel, monel, titanium, duplex, and more.Hy-Lok specializes in custom fabrication of integral block and bleed valves, and can design a solution to meet your specific needs.

Hand Valves

Anderson Greenwood Hand Valves are designed for instrument isolation duties, giving bubble tight shut-off every time.For more information, click here.

• Available materials are CS, SS, Monel, Hastelloy, Duplex, and other exotic alloys
• Seat materials are metal or soft seat for gas, liquid, or vapor applications
• Available end connections are 1/4″ to 1″ threaded, welded, and flanged
• Pressure ratings up to 10,000 psig
• Temperature ratings up to 1000°F

Gauge and Gauge Root Valves

Gauge Valves include multi-port and block and bleed styles suitable for gauge isolation, calibration, and venting with a choice of either globe pattern or straight-thru designs.

M5K root valves are available in two standard designs, multi-port with three instrument/vent connections and also a unique dual-port design for primary isolation on gauge or orifice tap applications.

• Available materials are CS, SS, Monel, Hastelloy, Duplex, and other exotic alloys
• Seat materials are metal or soft seat for gas, liquid, or vapor applications
• Available end connections are 1/4″ to 1″ threaded, welded, and flanged
• Pressure ratings up to 10,000 psig
• Temperature ratings up to 1000 degrees F

Manifolds

Anderson Greenwood Manifolds are suitable for all types of static pressure instruments and are available for direct or remote mounting, enabling isolation, calibration, and venting in a single unit.For more information, click here.Anderson Greenwood has the largest and most innovative range of differential pressure flow and level manifolds available. These include conventional three and five valve manifolds as well as purpose-designed models for special applications.

• Available materials are CS, SS, Monel, Hastelloy, Duplex, and other exotic alloys
• Seat materials are metal or soft
• Instrument connections are 1/4” to 3/4” threaded and suitable for direct instrument mounting
• Process Connections are 1/4” to 1/2” threaded and suitable for instrument flanges
• Pressure ratings up to 6000 psig
• Temperature ratings up to 1000°F

Double Block and Bleed Valves

The Anderson Greenwood Primary Isolation Double-Block and Bleed Valves meets both instrument and piping engineers’ specifications, offering significant savings on space, weight, installation and cost.

Suitable for line isolation, sample connectors and chemical injection service, KEYBLOK manifolds use ball valves, outside screw and yoke (OS&Y) bonnets and threaded bonnet instrument valves, and are available with a full range of threaded and flanged connections up to API 10K.

• Available materials are CS, SS, Monel, Hastelloy, Duplex, and other exotic alloys
• Seat materials are metal or soft seat, firesafe as standard
• Threaded, flanged 1/2” to 2” ANSI, DIN and API 10K, other specialist bolted connections also available
• Pressure ratings up to 10,000 psig
• Temperature ratings up to 1000

Link to catalog

Quadrant Ball Valves

Quadrant Valves manufactures all styles of ball valves from Unibody, two-piece, three-piece, flanged and seal-welded. In addition to ball valves, Southwest Process Control also carries Quadrant Valves line of butterfly valves.