Variety of standard (reversible) body material are available to suit the duty conditions. They are Cast Steel (A 216 WCB) Stainless Steel (A 351 CF 8/8 M) Chrome-Molly (A 217 WC1,6 & 9), Hastelloy (A 494), Monel (A 296) or ALLOY 20 (A 351 GR CN 7M).The body and bonnet are built as per ANSI standard.
The extra wall thickness provides strength and corrosion allowance.
Vytal Controls Pvt Ltd control valves are fitted with different types of bonnet. for general applications, plain standard bonnet are incorporated, In order to protect the packing gland from extreme cold, in case of cryogenic service, extended bonnet can be fitted.
The trim being responsible for the control of fluid process, is the most important assembly of control valve. It is expected to give long trouble free operation without a damage, owing to wire, drawing, cavitation, vibration (noise). At the same time, the selection of proper trim characteristic is equally responsible to get the desired performance. Vytal Controls Pvt Ltd offers variety of trim options depending on the application. They are modified Parabolic, Linear, Quick Acting or Equal Percentage. Standard trim components like plug, seat, cage/Retainer and cylinders are 410/420 (hardened) SS Alloys, Optional materials are stellated.
Regular packing material are PTFE & Grafail. However, for most applications like steam and other hazardous fluids, Grafail (pure graphite) is recommended by MECASTER. Grafail contains no resins/binders or fillers and offers outstanding high temperature characteristics.
Vytal Controls Pvt Ltd has Varietier of actuators like single acting spring & Diaphragm actuators with single spring / Multi spring ( Direct / Reverse type ), double acting piston & cylinder actuators to meet all requirement of thrust & stroke length.