Bellow Seal Globe Valve
GL26 Series (Y-Type)
Engineered for thermal oil and other critical process isolation.
What’s Inside Matters
Engineered for Performance
The GL26 Series combines a precision-guided disc, corrosion-resistant internals, and a fully sealed bellows system to deliver dependable isolation under extreme temperatures.
01. Non Rising Hand Wheel
- Ideal in restricted spaces
02. Ease of operation for Secondary Packing
- Ease for replacing packing
- Improves proper sealing
03. Non Rotating Stem
- High reliability
- Twist of bellow is avoided
- Longer packing life
04. Body-bonnet Joints
- Tongue and groove arrangement
- No gasket slip possible, long service life
05. Multiply Bellows
- High service life
06. Guided Plug
- Body bore guided plug design
07. Throttling Type Plug Design
08. Hardfacing or Stelliting
- Increased service life
09. Integral Body Seat
- Avoid leak through seating
10. Plug and Stem Connected by Stem Nut
- Provides 360° rotation of plug
11. Back Seat Arrangement on Stem
- Additional tertiary safety
- Anti-blow out under line pressure
12. Downstream Safety Gland Packing with Graphite
- Additional reliability against bellow failure
13. Provision for Lubrication on Yoke Sleeve
- Ensures smooth operation
14. ACME Stem Thread
- Longer service life
GL26 Series
The GL26 Series Bellow Seal Globe Valve (Y-Type) is designed for reliable shut-off in thermo oil and high-temperature process lines.
Specifications
Design
Y Type
Body Material
Cast Iron
Forged Steel / A105
Ductile Iron
St. St. 304
Cast Carbon Steel
St.St 316 / 1.4571
Plug Material & Design
Plug:
St. Steel 1.4021 + Hard Faced 13% Cr
Plug Design:
1. Parabolic (For regulating)
2. Conical (For On Off)
3. Balancing (For 5” and above, high pressure)
Seat / Bellow Material
321 Ti
St.St 304
St.St 316 / 1.4571
Hastelloy C
Connection
BSPT – Tappered
NPT
Socket Weld
Flanged End
Butt Weld
Size
DN15 (½”) to DN150 (6”)
Automation Option & Accessories
N/A
Flow Capacity
For Standard Plug:
KVS = 4.8 – 1691
For Throttling Plug:
KVS = 4.36 – 1410
Pressure Rating
ANSI 150
ANSI 300
ANSI 600
ANSI 900
PN16
PN25
PN40
Key Features
- Non Rising Hand Wheel
- Ease of operation for Secondary Packing
- Non Rotating Stem
- Body-bonnet Joints
- Multiply Bellows
- Guided Plug
- Throttling Type Plug Design
- Hardfacing or Stelliting
- Integral Body Seat
- Plug and Stem Connected by Stem Nut
- Back Seat Arrangement on Stem
- Downstream Safety Gland Packing with Graphite
- Provision for Lubrication on Yoke Sleeve
- ACME Stem Thread
Performance Testing
Hydro Test
Air Leakage Test
Application Versatility
Built to Perform Across Industries
Our valves are engineered to deliver consistent performance across a wide range of demanding industrial environments.
Palm oil and oleochemical lines
General manufacturing
Water and wastewater pipelines
Power plant steam isolation
Chemical and blending applications
Available Options
Enhance Your Valve Functionality
Choose from a range of accessories designed to extend performance, simplify operation, and suit specific installation needs.
