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300 lb. ANSI rating -- Pressures to 600 psi @ +100°F (4100 kPa @ +38°C)
Temperature Range from -300°F to +750°F (-184°C to +399°C)
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Series N2
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Design Features
The N2 and K2 series include models
N2AJ/K2AP, N2BJ/K2BP, and N2CJ/K2CP with these standard features:
Offset pattern
Integral bonnet (N2 series) / Union bonnet (K2 series)
Union vessel connection
Stuffing box gage connection
Ball check shutoff
Integral seat (N2 series) / Threaded renewable seat (K2 series) |
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Series K2
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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, ball check, and seat.) Standard and optional materials conform to AISI or ASTM Specifications.
ASME Boiler Code
Series N2 and K2 Gagecocks that are acceptable for ASME Boiler Code are available as an option.
For steam/water service in excess of 350 psi [2400 kPa], transparent flat glass gages with tubular adapters and shields are recommended.
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Offset Pattern Tubular Glass Gagecocks
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300 lb. ANSI rating -- Pressures to 600 psi @ +100°F (4100 kPa @ +38°C)
Temperature Range from -300°F to +750°F (-184°C to +399°C)
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Series K3  |
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Design Features
The K3 series includes models K3A (150 lb. ASA) and K3B (300 lb. ASA) with these standard features:
Offset pattern
Union bonnet
Rigid vessel connection
Stuffing box gage connection
Ball check shutoff
Backseating stem
Drain cock furnished |
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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.
ASME Boiler Code
Series K3 Gagecocks that are acceptable for ASME Boiler Code are available as an option. These valve sets have a vertical rising ball check shut-off in the lower valve and a horizontal leaky ball seat in the upper valve.
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Tubular Glass Gagecocks
Straight Pattern
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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)
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Series N6
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Design Features
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 |
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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.
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Straight Pattern Tubular Glass Gagecocks
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Pressures to 500 psi @ +100°F (3400 Pa @ +38°C)
Temperature Range from -20°F to +500°F (-29°C to +260°C)
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Series N7  |
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Design Features
The N7 series includes models N7A and N7B with these design features:
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Integral bonnet
Rigid vessel connection
Stuffing box gage connection Ball check shutoff
Integral drain cock |
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A variety of optional features are available when specified.
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.
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