STC Valve Inc Logo Flow Control Valve Stainless Steel Push In Elbow Fitting Stainless Steel Compression Fitting Pneumatic Air Valve Bronze Two Way Process Valve Stainless Steel Manual Ball Valve Stainless Steel Air Actuated Ball Valve Manual Four Way Air Valve Air Filter Regulator Lubricator Combination Air Filter Regulator Lubricator Combination Contact Us
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Barb Fittings
4 Solenoid Valves 5 Process Valves 6 Manual
Ball Valves
7 Actuated Valves 8 Air Valves 9 Air Regulators 10 Air Cylinders Click Here
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Call us at (650) 856-8833 or email us at

StcValve® specializes in developing and distributing high quality solenoid valves, stainless steel fittings, air valves, process valves, air pressure regulators and push in fittings at excellent prices.

We strive to be your source for high quality pneumatic components, providing live customer support and a large inventory ready to be shipped the same day!

Product Selection
Stainless Steel Direct Acting Valve
Direct Acting Valves
2/3 Way Valves
Solenoid Diaphragm Valve
Solenoid Valves
Air & Liquid Valves
High Pressure Solenoid Valve
High Pressure
Solenoid Valves
Angle Seat Valve
Air Actuated
Angle Seat Valves
Air Actuated Valve
Air Actuated
Motorized Valve
Electric Actuated
Directional Valve
Electronic Valves
Pneumatic Valves
Manual Air Valve
Manual Air Valves
Foot Valves
Push-In Fittings
Compression Fittings
Stainless Steel
Filter Regulator
Pneumatic Cylinder
Air Cylinders
Reed Switches

Join the STC Advantage.
     ●  Fine Quality, Excellent Prices & Service
     ●  Live Customer Service & Technical Support
     ●  Large Selection & Inventory
     ●  Same Day Shipping (when ordered before 2PM PST for most stocked items)

About us.  Sizto Tech Corporation (STC) is headquartered in California's Silicon Valley, with ISO certified design and manufacturing facilities along with an extensive network of quality partners and suppliers in China.

With the design technology, engineering, and quality management from the USA, combined with advanced manufacturing technology and efficiency from China, STC delivers products with advanced design, precision engineering, and fine quality at excellent prices.
Find a Distributor.   Looking for a distributor or would you like to become one? We are always looking for new U.S. and international distributors. Give us a call at (650) 856-8833 or email us at for more information.

Looking for custom parts?  STC makes custom parts by machining, molding, casting, or forging.  We are equipped to provide custom made products with the most stringent requirements in quality, pricing, support, and service.  Email us at for more information.
Hours of Operation:  7:00AM - 5:00PM (PST), Monday to Friday

Sizto Tech Corporation (STC)
892 Commercial Street, Palo Alto, CA 94303 USA
Email:, Website:
Tel: (650) 856-8833; Fax: (650) 856-8811; Toll Free: (866) 962-0170

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Sizto Tech Corporation © 2001-. All rights reserved. Last modified: November 27, 2017.
Information contained herein may be changed without prior notification.