Sherwood Valve - Things You Must Know About Sherwood Valves

Sherwood Valve has been serving the compressed gas industry for over 90 years. Founded in 1923, Sherwood has earned a reputation for high quality products that not only keep pace with customer requirements, but also anticipate the changing needs of various industries served. All Sherwood products are designed to meet the highest standards and only quality materials are used.

As an authorized distributor, Evergreen Midwest carries Sherwood's diverse lines of specialty gas, compressed gas, refrigeration products, propane and life support equipment.

GRPV Residual Pressure Valves:

• Prevents backflow of impurities and foreign substances

• Retains approximately 30-50 PSI pressure

• Protects and extends the life of cylinders by preventing ingress of moisture.

GV Global Industrial Gas Valves:

• Use in cylinders containing oxygen, argon, carbon dioxide, nitrogen, helium and hydrogen, as well as welding gas mixtures.

• Pressure Relief Device (PRD) is a unitized plug design that provides excellent flow characteristics, ensures proper assembly and tamper resistance

• Metal-to-metal seal below bonnet threads prevents pressure in the threads at top of valve body

KVA Series - Post-Type Medical Valves:

• Inert PTFE packing provides leak-free stem seal, long cycle life and resistance to corrosion

• Secondary O-ring helps to provide a secure seal under vacuum purging and low-pressure operation

• Chamber design protects threads and stem from damage

Compressed Natural Gas Valves:

NGV, NGVHM & NGRPV Series

• For hydrocarbon-based flammable gases, such as methane and ethane.

• Unique valve core design and lesser internal stress zones

• PTFE backup O-ring and durable Buna-N O-ring that are compatible with flammable gases

• Tapped for dip tube as needed

Chlorine Valves:

• Easy to install due to the large wrench flats on the valve body

• Positive shut-off and exceptional durability in chlorine and other corrosive gas service because of the one-piece Monel® stem

• Valve body made from Aluminum Silicone Bronze that offers corrosion resistance

OxyGen I Series:

Oxygen Valves w/Integrated Regulators

• Compact, Easy-to-Use Design, Reliable, Quality Product

• Designed for ambulatory service applications, combine on/off with reduced pressure for direct patient care

• Ergonomically designed shroud with carrying handles improves mobility and reduces user fatigue

• Pressure gauge located at the top of the unit is clearly visible and protected by the shroud handle

Master Shut-Off Valves:

430 Series

• Safer - There is less chance of ignition from oxygen compression

• Controlled flow and Full flow is achieved when handle is turned two full turns

• PCTFE seat insert and PTFE packing has been used successfully for over 30 years in master shut-off valve applications

Source - https://www.evergreenmidwest.com/blog/2018/03/19/sherwood-valves-introduction/

Sherwood Chlorine Valves - Types of Chlorine Valves & Chlorine Gas Accessories

Sherwood Valve manufactures different types of Chlorine Valves and Chlorine Gas Accessories to better serve the ever-changing various industries.

1. Basic Valve
Manufactured in conformance to Chlorine Institute Pamphlet 17

• One-piece Monel stem offers exceptional durability and positive shut-off on chlorine and other corrosive gas service
• Choice of PTFE or Garlock 6130 Packing for easy operation and durable leak-resistant stem seal
• Large wrench flats on valve body for easy installation
• Robust aluminum silicon bronze valve body offer corrosion resistance

2. Robust Valve

• Featuring a heavy-duty body and packing nut for increased load carrying capacity and resistance against stress, corrosion and cracking
• Approved per the Chlorine Institute Pamphlet 17 Alternate Design Criteria
• Design retains same outlets, inlets, pressure relief device, packing ring, packings, follower, outlet cap, wrenches, yoke and materials (and key features) as the basic valve

3. Basic Chlorine Ton Container Valve

• Conforms to the Chlorine Institute Pamphlet 17
• Durable, leak-resistant stem seal
• Pressure relief device, follower, packing rings, packings, yoke, wrenches, outlet and inlets – all retain the same design as the basic chlorine valve

4. Robust Chlorine Ton Container Valve

• Manufactured in conformance to the Chlorine Institute Pamphlet 17 Alternate Design Criteria
• Large wrench flats facilitate easy installation
• Retaining the same design as the basic chlorine valve with pressure relief device, follower, packing rings, packings, yoke, wrenches, outlet and inlets

5. Chlorine Gas Accessories

• Fusible Plugs
• Yoke
• Flex Connectors
• High Flow Yoke Adapters
• 5928 Charging Valve
• Wrenches (Straight and Twisted)

For more information regarding Sherwood Chlorine Valves, visit www.evergreenmidwest.com or call us toll-free at 800-659-3358.
Source - https://www.evergreenmidwest.com/blog/2018/04/02/sherwood-chlorine-valves-types-of-chlorine-valves-chlorine-gas-accessories/