Straight Pattern Tubular Glass Gagecocks
Series N6
The N6 series consists of model N6A with these standard features:
Straight pattern
Integral bonnet
Rigid vessel connection
Stuffing box gage connection
Ball check shutoff
Drain cock furnished
125 lb. ANSI rating -- Pressures to 200 psi @ +100°F [1400 kPa @ +38°C]
Temperature Range from -20°F to +400°F [-29°C to +204°C]
A variety of optional features are available when specified.
Optional materials can be specified for the Gagecock body and trim. (Trim consists of the stem, stem packing retainer and ball check.) Standard and optional materials conform to AISI or ASTM Specifications.
Steam Service
Series N6 Gagecocks for steam service are available as an option.
Series N7
The N7 series includes models N7A and N7B with these design features:
Straight pattern
Integral bonnet
Rigid vessel connection
Stuffing box gage connection
Ball check shutoff
Integral drain cock
Pressures to 500 psi @ +100°F [3400 kPa @ +38°C]
Temperature Range from -20°F to +500°F [-29°C to +260°C]
Combinations of optional features and materials are available. Each combination is designated by the model number in the Features table. Optional materials can be specified for the Gagecock body and trim. (Trim consists of the stem, stem packing retainer and ball check.) Standard and optional materials are available for service as described by AISI or ASTM Specifications.
ASME Boiler Code
Series N7 Gagecocks that are acceptable for ASME Boiler Code are available as an option. These Gagecocks have a vertical rising ball check shut-off in the lower valve and a horizontal ball in the upper valve.