WELCOME TO CUSTOM CONTROLS We are pleased to announce that from 1st April 2018 Custom Controls will represent all Emerson isolation valve. pressure relief valve and actuation products. this adds to our existing Emerson control valve, actuator, regulator and instrumentation portfolio, creating an unrivalled range of measurement and control solutions for our New Zealand customers. Brands include: Anderson Greenwood, Biffi, Clarkson, Crosby, FCT, Keystone, KTM Kunkle Valve, Sempell, Vanessa, Yarway….