Threaded - NPT Sight Windows
from Plast-O-Matic Valves, Inc.
Series GL Double-wall cylinder for liquids compatible with Pyrex inner wall. 1/2 ″ or 3/4 ″ sizes, NPT or socket connections in PVC, PTFE, or polypro. BSP sizes also available. Standard lengths are 1 ′, 2 ′, 3 ′, 4 ′; custom lengths available. [See More]
- Connection Type: Threaded - NPT; BSP
- Thread or Flange Size:: 0.5000
- Window Shape: Full View
- Window Diameter, Length: 10
from Kuriyama of America, Inc.
FEATURES AND ADVANTAGES. Allows for viewing of material flowing through the glass at all times. Made of tough Polycarbonate material. Supplied with protective caps to cover threads. NPT threads allow for connection with an AL-D and AL-A camlocks. MATERIAL SPECIFICATIONS. Polycarbonate material. NPT... [See More]
- Connection Type: Threaded - NPT
- Pressure Rating: 500
- Window Diameter, Length: 2
- Temperature Rating: -50 to 185
from Plast-O-Matic Valves, Inc.
Series GX Single-wall sight glass for liquids compatible with acrylic. 1/2 ″ – 3 ″ sizes, NPT or socket connections in PVC or polypro. Fluttering streamers optional. Series GY Double-wall sight glass for liquids compatible with Pyrex inner wall. 1/2 ″ – 3 ″ sizes,... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.5000
- Window Shape: Full View
- Optical / Window: Glass; Pyrex® Glass
from LJ Star
The strongest, most secure sight glass elements available, Metaglas ® mechanically prestressed windows, are available in a threaded design for process applications. Metaglas threaded sight glasses are compliant with the recently revised ASME (founded as the American Society of Mechanical... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.2500 to 3
- Window Shape: Circular
- Window Diameter, Length: 0.3543 to 1.97
from Spirax-Sarco
The SG13 is a maintainable brass multi-window sight glass with a cylindrical viewing window and screwed connections. The sight glass monitors the discharge downstream of steam traps in pressurised condensate return lines. It is screwed directly into the steam trap providing a modular monitoring... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.5000 to 1
- Window Shape: Circular
- Pressure Rating: 232
from Oil-Rite Corp.
Stainless Steel Gasketed Window Sights allow visual observation of liquid levels and their condition. They can be used to display fluid motion or mechanical movements, as well as to view and perform tests in a safe enclosure. Specific uses include fluid sighting on hydraulic tanks, pressure vessels,... [See More]
- Connection Type: Threaded - NPT
- Window Diameter, Length: 0.7812
- Thread or Flange Size:: 0.7500
- Pressure Rating: 125
from Tate-Jones, Inc.
The special model F/T Blast Gate Observation Port adds a new dimension to the Tate-Jones Line. This unit, available in 3? or 4? pipe size, mounts to a mating flange, while the viewing components are housed in a NPT threaded body half. The standard stainless steel slide arrangement in the blast gate... [See More]
- Connection Type: Flanged; Threaded - NPT
- Thread or Flange Size:: 3
- Window Shape: Circular
- Window Diameter, Length: 2.25
from Spirax-Sarco
A sight check is a combined sight glass and check valve. It is used to observe discharges from steam traps. The position of the ball check indicates whether or not condensate is flowing. Where condensate rises after the trap it eliminates the need for a separate check valve thus simplifying... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.5000 to 1
- Window Shape: Circular
- Pressure Rating: 50.76
from Oil-Rite Corp.
Window Flow Sights with Ball Indicator have an air-tight glass sight that allows visual observation of liquid flow, clarity, and condition. A nylon ball indicator shows the direction of fluid movement. The body is 303 stainless steel. The glass sight has a pressure tight, solid gasket design with... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Glass
- Pressure Rating: 125
- Body / Housing: Steel - Stainless
from Tate-Jones, Inc.
Allows for optical pyrometer checking of the flame or operating vessel. The quartz lens is suited for a maximum intermittent operating temperature of 2048°F and continuous operating temperature of 1600°F, and allows for optical pyrometer checking of the flame or operation of vessel. Standard stocked... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.5000
- Window Shape: Circular
- Window Diameter, Length: 0.5000
from Spirax-Sarco
A range of single and double window sight glasses available in either brass or bronze depending on size with screwed connections. [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.5000 to 2
- Window Shape: Circular
- Pressure Rating: 72.52
from Oil-Rite Corp.
303 Stainless Steel Window Flow Sights are primarily used in low pressure oil lines. The air-tight glass sight allows visual observation of the liquid flow, clarity, and condition. There are no restrictions on the inside of the sight, resulting in the full flow of liquid, equal to the respective... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Glass
- Pressure Rating: 125
- Body / Housing: Steel - Stainless
from Tate-Jones, Inc.
The Blast Gate Observation Ports use the Tate-Jones standard line of blast gates as the primary Threaded Blast Gate Observation Portcomponent and incorporate a glass lens, gaskets, and rings that are securely retained with a metal bushing. The stainless steel slide arrangement in the blast gate... [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 2
- Window Shape: Circular
- Window Diameter, Length: 1.69
from Spirax-Sarco
A range of single and double window sight glasses available in either brass or bronze depending on size with screwed connections. [See More]
- Connection Type: Threaded - NPT
- Thread or Flange Size:: 0.3750 to 1
- Window Shape: Circular
- Pressure Rating: 72.52
from Oil-Rite Corp.
303 Stainless Steel Window Flow Sights are primarily used in low pressure oil lines. The air-tight glass sight allows visual observation of the liquid flow, clarity, and condition. There are no restrictions on the inside of the sight, resulting in the full flow of liquid, equal to the respective... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Glass
- Pressure Rating: 125
- Body / Housing: Steel - Stainless
from Oil-Rite Corp.
303 Stainless Steel Window Flow Sights are primarily used in low pressure oil lines. The air-tight glass sight allows visual observation of the liquid flow, clarity, and condition. There are no restrictions on the inside of the sight, resulting in the full flow of liquid, equal to the respective... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Glass
- Pressure Rating: 125
- Body / Housing: Steel - Stainless
from Oil-Rite Corp.
Fused Window Sights allow visual observation of liquid levels and their condition. They can be used to display fluid motion or mechanical movements, as well as to view and perform tests in a safe enclosure. Specific uses include fluid sighting on hydraulic tanks, pressure vessels, reservoirs,... [See More]
- Connection Type: Threaded - NPT
- Window Diameter, Length: 0.7812
- Thread or Flange Size:: 0.7500
- Pressure Rating: 125
from Oil-Rite Corp.
Gasketed Window Sights allow visual observation of liquid levels and their condition. They can be used to display fluid motion or mechanical movements, as well as to view and perform tests in a safe enclosure. Specific uses include fluid sighting on hydraulic tanks, pressure vessels, reservoirs,... [See More]
- Connection Type: Threaded - NPT
- Window Diameter, Length: 0.7812
- Thread or Flange Size:: 0.7500
- Pressure Rating: 125
from Oil-Rite Corp.
Gasketed Window Sights allow visual observation of liquid levels and their condition. They can be used to display fluid motion or mechanical movements, as well as to view and perform tests in a safe enclosure. Specific uses include fluid sighting on hydraulic tanks, pressure vessels, reservoirs,... [See More]
- Connection Type: Threaded - NPT
- Window Diameter, Length: 0.5938
- Thread or Flange Size:: 0.5000
- Pressure Rating: 40
from Oil-Rite Corp.
Window Flow Sights With Restricted Orifices dispense liquid at a fixed flow rate. The glass sight allows viewing of the liquid. These flow sights provide a simple tamperproof method of furnishing the desired amount of lubrication without the use of control valves. The sights can be used as a... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Lexan
- Pressure Rating: 125
- Body / Housing: Steel - Carbon
from Oil-Rite Corp.
Window Flow Sights With Restricted Orifices dispense liquid at a fixed flow rate. The glass sight allows viewing of the liquid. These flow sights provide a simple tamperproof method of furnishing the desired amount of lubrication without the use of control valves. The sights can be used as a... [See More]
- Connection Type: Threaded - NPT
- Optical / Window: Glass
- Pressure Rating: 125
- Body / Housing: Steel - Carbon