Key features/benefits
BELLOW SEAL GATE VALVE
“Forged Construction and Bolted Bonnet”
Design Features
- Forged Single Piece Body (Screwed End and Butt Weld End) for Higher Strength.
- Middle Cylinder Fabricated with Seamless Heavy Schedule Pipe for High Strength.
- Hard Faced Stellited Sealing Surface with Lapped Finish for Longer Life.
- “OS & Y” type Single Piece Forged Bonnet with Stuffing Box for Packings.
- Body to Cylinder and Cylinder to Bonnet with T&G Joint to Prevent Leakage.
- Metallic “Spiral Wound Gasket” for Both the Joint for Perfect Sealing.
- Bellow Top welded to Bonnet and Bottom to Valve Stem to prevent entry of Media towards Stem.
- Hand Wheel Mounted on Sleeve Turns Rotary Movement in Axial Movement of Stem to Prevent “Torsion on Bellow”.
- Bellow is for “Primary Seal” & Back Seat Stuffing Box is for “Secondary Seal” for “Zero Leakage”.
- Low Torque as Sleeve supported with Thrust Bearing for” Ease of Operation”.
- Bellows in “SS 316Ti/ Hastelloy C276/ Inconel 625” for High Temperature as for High Pressure applications.
- “Long Bellow Design” to Suit Bellow Cycle Life (2000 Cycle).
- Valve Design is Generally Comply with API, BS, ASME Standards.
