Gage Valves
Tubular Glass cage cocks or gage valves are designed for a variety boiler and process applications.  They are part of a system that can be the most economical method of directly viewing liquid level inside a vessel.  Valves shown on this page are Penberthy brand manufactured by Tyco Flow Controls.  Pelase contact us for additional information or application assistance. 
 
Tubular Glass Gagecocks

Offset Pattern

300 lb. ANSI rating -- Pressures to 600 psi @ +100F (4100 kPa @ +38C)
Temperature Range from -300F to +750F (-184C to +399C)
Series N2
 
 
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)

Series K2

 
 
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.
Offset Pattern Tubular Glass Gagecocks
300 lb. ANSI rating -- Pressures to 600 psi @ +100F (4100 kPa @ +38C)
Temperature Range from -300F to +750F (-184C to +399C)


Series K3
 

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
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.


Tubular Glass Gagecocks

Straight Pattern
125 lb. ANSI rating -- Pressures to 200 psi @ +100F (1400 kPa @ +38C)
Temperature Range from -20F to +400F (-29C to +204C)

 
Series N6
 
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
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.

Straight Pattern Tubular Glass Gagecocks
Pressures to 500 psi @ +100F (3400 Pa @ +38C)
Temperature Range from -20F to +500F (-29C to +260C)
 
 



Series N7
 


Design Features

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

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.