• Intervalve (India) Limited

Butterfly Valves For HVAC Utilities

Intervalve's GKL series valves are designed to meet the demanding requirements of the general utility valve market with the HVAC segment in particular. IVGKL is a truly fit and forget valve, which requires minimal maintenance. The body liner which also functions as the soft seat, comes in an integrally moulded (bonded) version and offers 100% bi-directional sealing against vacuum to rated pressures of PN10. The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards. Conformity to codes and standards: General design and manufacturing: API 609 category A/BS 5155/MSS SP-67; valve face to face dimensions – short wafer as per ISO 5752 tab 5/API 609 category A; top flange drilling – ISO 5211 part II; valve inspection and testing – API 598; and flange standard conformity – ANSI 150, DIN PN6/10, JIS 5K/10K, BS10 Tab D and E, IS 6392 NP 0.6/1.0. Technical specifications: valve type – centric disc butterfly valve with a single piece rubber lined body; body type – short wafer (sandwiched between flanges); seat type – integrally moulded with the body; end connection – wafer sandwiched; size range – 40 NB to 300 NB; pressure rating – PN 10 (max); operating temperature range – -25ºC to 130ºC (depending on material of construction); seat leakage – tight shut off; operation – hand lever for sizes from 40 NB to 250 NB, worm gear boxes for 40 NB to 300 NB; standard materials of construction – body – CI; disc – SGI/CF8, seat – EPDM/nitrile and shaft – AISI 410.