Specialty Gas Valves

6411 Series
Diaphragm Packless Lecture Bottle Valves

Sherwood’s 6411 Series is designed specifically with corrosive gases in mind and with a durable construction for the specialty gases and gas mixtures used in laboratories.

• Proven leak-tight diaphragm seal
• Forged brass, aluminum silicon bronze and 303 stainless steel bodies withstand severe service conditions
• Low operating torque design ensures ease of operation during filling and use
• Available with standard CGA connections

5074 Series
Brass Diaphragm Valves

Sherwood’s 5074 Series is designed for various high purity gases, UHP mixtures and pure gas applications.

• Standardized anti-extrusion pin feature prevents seat extrusion and cold flow of the polymeric seat
• Available in multiple seat material configurations to accommodate all high-purity gas applications
• Increased flow (Cv) to aid in reducing vent and purge times
• Low operating torque design ensures ease of operation during filling and use
• Available with unitized pressure-relief device, which is equipped with a webbed washer design to protect the burst disc from damage during transportation and replacement
• Optional inlets equipped for dip tube assembly
• Available with standard CGA connections as well as international inlets and outlets

6074 Series
303 SS Diaphragm Packless Valves

Sherwood’s 6074 Series is designed for a variety of applications, including analytical & instrumentation gases, EPA protocol gases, environmental monitoring and medical applications using pharmaceutical gases.

• Standardized anti-extrusion pin feature prevents seat extrusion and cold flow of the polymeric seat
• Available in multiple seat material configurations to accommodate all high-purity gas applications
• Increased flow (Cv) to aid in reducing vent and purge times
• Low operating torque design ensures ease of operation during filling and use
• Available with unitized pressure-relief device having fuse-metal backed or unbacked burst disc
• Optional inlets equipped for dip tube assembly
• Available with standard CGA connections as well as international inlets and outlets

6674 Series
316L SS Diaphragm Packless Valves

Sherwood’s 6674 Series is used in corrosive gas applications, cylinder phosphine gas, atmospheric and purging gases, dopant gases and reactant gases.

• Crimped seat feature with anti-extrusion pin prevents seat extrusion and cold flow of the polymeric seat
• Available in multiple seat material configurations to accommodate all high-purity gas applications
• Increased flow (Cv) to aid in reducing vent and purge times
• Low operating torque design ensures ease of operation during filling and use
• Available with unitized pressure-relief device having fuse-metal backed or unbacked burst disc
• Available with standard CGA connections as well as international inlets and outlets

1214Y Series
Aluminum Silicon Bronze Packed Wrench-Operated Valves

Sherwood’s 1214 Series is designed for use in applications using chlorine gas, chlorine liquids, corrosive gases, insecticides & fumigants, preservatives and bleaching agents.

• Aluminum silicon bronze valve body offers proven resistance against various corrosive gases
• One-piece monel stem provides positive shutoff in corrosive gas service with exceptional durability
• Teflon® packing promotes easy operation while providing a durable leak-resistant stem seal
• Optional tapped inlet threads for dip tube assembly
• Available with standard CGA connections as well as international inlets and outlets
• Available with unitized pressure-relief device having fuse metal backing

1032 Series
Low Pressure Brass Diaphragm Valves

Sherwood’s 1032 Series is designed for use in liquefied gas applications, including refrigerants and flammables, and is especially suitable for propane, butane and fuel-gas applications but also sterilant gas applications.

• High-density forged brass body and two non-perforated stainless steel diaphragms for durability
• Spring-loaded Type CG-7 safety for use on liquified gas cylinders having water capacities not exceeding 254 lbs.
• Nylon seat insert and controlled stem travel assure positive shut-off and long, wear-resistant service
• Inlet and outlet connections comply with CGA V-1 Specifications
• Assembly torque: Bonnet 60 ft-lbs

Gases Chart