Quadrant / Needle / Hand Valves
Southwest Process Control carries quadrant, needle and hand valve from industry leaders Quadrant, Hy-Lok and Anderson Greenwood.
Quadrant Valves
Quadrant Valves principal core competence is the design and manufacture of intrinsically safe seal-welded ball valves. As an extension of the seal-welded technology, Quadrant offers the ONLY full line of ASME B16.34 and API 608 compliant ball valves in Classes 900, 1500, 2500, and 4500.
- Features include:
- Threaded and weld-ended valves available up to 10,800 WOG
- NACE compliant
- Standard SS latch lock handle
- Oilfield models available
Needle Valves
With the lowest cost on the market and a guaranteed leak-free connection, Hy-Lok needle valves are both cost and energy efficient. Additionally, with a wide variety of options and specifications, Hy-Lok’s valve products versatile enough to meet all your needle valve needs.
Specific features include:
- Stem tips: v-stem, regulating and soft seat
- Connection options: male / female NPT, Hy-Lok tube fittings, and ISO threads from 1/8″ to 1″
- Configurations: 2-way, 3-way (side / bottom entry) and 4-way valves
- Optional features: panel mounting, locking devices, and upstream / downstream venting
- Available in stainless steel, carbon steel, brass, and alloy 400
Hand Valves
Anderson Greenwood hand valves consistently provide bubble-tight shut off for each usage. Applications range from gas to vapor or liquid and valves are available in a variety of exotic and traditional metals.
Special features include:
- Materials: CS, SS, Monel, Duplex and other exotic materials
- Seats: Metal and Soft
- Connections: 1/4″ to 1″ threaded, welded also available
- Orifice Sizes: 3/16″, 1/4″, 3/8″, 7/16″ and 5/8″
- Pressure (max): 10,000 psig
- Tempurature (max): 1,000* F





